Penetrating type neck-hanging fan

Abstract

The utility model discloses a through type neck hanging fan which comprises a support capable of being worn on the neck of a human body, the support is provided with a first shell and a second shell which are located on the two sides of the neck of the human body, an air inlet is formed in the first shell, a first air channel is formed in the first shell, and a second air channel is formed in the second shell. The first air channel and the second air channel are communicated to form a U-shaped air channel, the first shell and the second shell are each provided with a plurality of air outlets communicated with the U-shaped air channel, at least three fan assemblies are arranged in the U-shaped air channel at intervals, and the three fan assemblies are distributed in the first air channel and the second air channel. According to the neck-hanging fan, the U-shaped air duct penetrating through the whole support is adopted, and the three fan assemblies are used for exhausting and supplying air at the same time, so that the air outlet coverage area of the neck-hanging fan is large, and the air blowing effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hanging neck fan technical field, concretely relates to a through type hanging neck fan. BACKGROUND

[0002] The hanging neck fan is a kind of blowing device that can be worn on the neck of user, can move with user and can release the hands of user, and the purpose of cooling and heat dissipation is achieved by blowing air to the face and neck of human body.

[0003] The hanging neck fan generally includes a bracket that can be worn on the neck, the bracket has two housings, each housing is provided with an air duct and a fan assembly, each housing is provided with an air inlet and an air outlet outside, the fan assembly sucks air from the air inlet and transports to the air duct, and finally blows out from the air outlet. But in the traditional hanging neck fan, due to the short length of the air duct, the air outlet coverage area of the hanging neck fan is small, and the blowing effect is poor. UTILITARY MODEL

[0004] The utility model provides a kind of through type hanging neck fan according to the lack of prior art, it uses U-shaped air duct that penetrates the whole bracket, utilizes three fan assemblies to suck air and send air, so that the air outlet coverage area of the hanging neck fan is large, and the blowing effect is good.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of through type hanging neck fan, including the bracket that can be worn on the neck of human body, the bracket has first housing and second housing located at the two sides of the neck of human body, the first housing is equipped with air inlet, the first housing is equipped with first air duct, the second housing is equipped with second air duct, the first air duct and second air duct are communicated to form U-shaped air duct, the first housing and second housing are all equipped with multiple air outlets, at least three fan assemblies are intervally arranged in the U-shaped air duct, three the fan assemblies are distributed in first air duct and second air duct, three the fan assemblies drive the air in U-shaped air duct from one end of U-shaped air duct to the other end.

[0007] By setting the U-shaped air duct that is communicated by first air duct and second air duct, the U-shaped air duct penetrates the whole bracket, the length of U-shaped air duct is long, the first housing and second housing are all provided with multiple air outlets that are distributed along the length direction of U-shaped air duct, at least three fan assemblies are intervally arranged in the U-shaped air duct, three fan assemblies are distributed in first air duct and second air duct, utilize three fan assemblies to suck air and send air, so that the air in U-shaped air duct flows from one end of U-shaped air duct to the other end, air is blown out from air outlet when flowing through each air outlet, so that the air outlet coverage area of the hanging neck fan is large, and the blowing effect is good.

[0008] As a preferred solution, the air outlet is a single long strip-shaped air outlet, which extends along the length direction of the U-shaped air duct.

[0009] As a preferred solution, the long strip-shaped air outlet is provided with a plurality of connecting ribs, which separate the long strip-shaped air outlet to form a plurality of sub-air outlets, and the plurality of sub-air outlets are distributed along the length direction of the long strip-shaped air outlet.

[0010] As a preferred solution, the thickness h of the connecting rib along the length direction of the long strip-shaped air outlet is 0.5mm-1.5mm.

[0011] As a preferred solution, the thickness h of the connecting rib is 1mm.

[0012] As a preferred solution, in the air outlet direction of the air outlet, the projection of the air outlet and the corresponding fan assembly do not overlap each other.

[0013] As a preferred solution, the first shell and the second shell are connected by a connecting part, the three fan assemblies are respectively a first fan assembly, a second fan assembly and a third fan assembly, the first fan assembly is close to the air inlet, the second fan assembly is located in the first air duct close to one end of the connecting part, and the third fan assembly is located in the second air duct close to one end of the connecting part.

[0014] As a preferred solution, the fan assembly has a wind guide cylinder, a first impeller, a second impeller and a motor, the first impeller is arranged at the input end of the wind guide cylinder, the motor drives the first impeller to rotate, the second impeller is arranged at the output end of the wind guide cylinder, and the first blades on the first impeller and the second blades on the second impeller are opposite in spiral direction.

[0015] As a preferred solution, the axis of the wind guide cylinder on the first fan assembly is parallel to the air inlet direction of the air inlet, the axis of the wind guide cylinder on the second fan assembly extends along the air flow direction towards the connecting part, and the axis of the wind guide cylinder on the third fan assembly extends along the air flow direction away from the connecting part.

[0016] As a preferred solution, the motor is a high-speed motor, and the rotating speed of the high-speed motor is more than 6000rpm.

[0017] The utility model discloses have obvious advantage and beneficial effect compared with prior art, specifically,

[0018] The U-shaped air duct is formed by setting the first air duct in communication with the second air duct, the U-shaped air duct penetrates through the whole bracket, the U-shaped air duct is long, a plurality of air outlets distributed along the length direction of the U-shaped air duct are arranged on the first shell and the second shell, at least three fan assemblies are arranged in the U-shaped air duct at intervals, the three fan assemblies are distributed in the first air duct and the second air duct, air in the U-shaped air duct is made to flow from one end to the other end of the U-shaped air duct by using the three fan assemblies to draw air and blow air at the same time, and the air is blown out from the air outlets when flowing through the air outlets, so that the hanging neck fan has a large air outlet coverage area and good air blowing effect.

[0019] In order to more clearly set forth the structural features, technical means and specific purposes and functions reached by the utility model, the utility model will be further described in detail below in combination with the drawings and specific embodiments: BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the assembly structure schematic diagram of the embodiment of the utility model;

[0021] Figure 2 is Figure 1 the structure schematic diagram of removing the upper cover in the embodiment of the utility model;

[0022] Figure 3 is the top view schematic diagram of the embodiment of the utility model;

[0023] Figure 4 is Figure 3 the perspective view of the embodiment of the utility model

[0024] Figure 5 is the fan assembly assembly schematic diagram of the embodiment of the utility model;

[0025] Figure 6 is the fan assembly exploded schematic diagram of the embodiment of the utility model.

[0026] BRIEF DESCRIPTION OF DRAWINGS:

[0027] 10-bracket, 11-first shell, 111-upper cover, 112-lower cover, 113-extended end, 12-second shell, 13-air inlet, 14-first air duct, 15-second air duct, 16-U-shaped air duct, 17-air outlet, 171-sub air outlet, 18-connection rib, 19-connection part, 20-fan assembly, 21-first fan assembly, 22-second fan assembly, 23-third fan assembly, 201-air guide cylinder, 202-impeller, 2021-first blade, 2031-second blade, 2032-first vent hole, 204-air guide cover, 2041-second vent hole, 205-axis. DETAILED DESCRIPTION

[0028] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the position or element must have a specific orientation, with a specific orientation structure and operation, therefore, cannot be understood as the limitation of the utility model.

[0029] In the description of the utility model, it needs to explain, unless otherwise explicitly provided and limited, the term "installation", "connection", "connection" should be broad sense, for example, can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0030] As Figures 1-6 The utility model discloses a kind of through type hanging neck fan, including the support 10 that can be worn on human neck, the support 10 has first shell 11 and second shell 12 located at both sides of human neck, first shell 11 is equipped with air inlet 13, first air duct 14 is equipped in first shell 11, second air duct 15 is equipped in second shell 12.

[0031] First air duct 14 and second air duct 15 are communicated to form U-shaped air duct 16, first shell 11 and second shell 12 are equipped with multiple air outlets 17 communicated with U-shaped air duct, specifically, first shell 11 and second shell 12 are equipped with two or more than two air outlets 17.

[0032] At least three fan assemblies 20 are arranged in U-shaped air duct 16, three fan assemblies 20 are distributed in first air duct 14 and second air duct 15, three fan assemblies 20 drive air in U-shaped air duct 16 from one end of U-shaped air duct 16 to the other end.

[0033] Air outlet 17 is single long strip air outlet 17, and long strip air outlet 17 extends along the length direction of U-shaped air duct 16;By setting long strip air outlet 17 extending along the length direction of U-shaped air duct 16, air volume is large, and blowing effect is good.

[0034] The long strip-shaped air outlet 17 is provided with a plurality of connecting ribs 18, the plurality of connecting ribs 18 separate the long strip-shaped air outlet 17 to form a plurality of sub-air outlets 171, and the plurality of sub-air outlets 171 are distributed along the length direction of the long strip-shaped air outlet 17; by arranging a plurality of connecting ribs 18 in the air outlet 17, the plurality of connecting ribs 18 separate the long strip-shaped air outlet 17 to form a plurality of sub-air outlets 171, and the plurality of sub-air outlets 171 blow air at the same time, and the air blowing is uniform.

[0035] The thickness h of the connecting rib 18 along the length direction of the long strip-shaped air outlet 17 is 0.5mm-1.5mm; by adopting the connecting rib 18 with the thickness h of 0.5mm-1.5mm, the thickness of the connecting rib 18 is thin, the larger area of the air outlet 17 is avoided, and the air outlet 17 maintains a large air volume.

[0036] The thickness h of the connecting rib 18 is 1mm.

[0037] The first shell 11 and the second shell 12 each have an upper cover 111 and a lower cover 112, and the upper cover 111 is provided with the air outlet 17.

[0038] In the air outlet direction of the air outlet 17, the projection of the air outlet 17 and the corresponding fan assembly 20 do not overlap each other; by arranging the projection of the air outlet 17 and the corresponding fan assembly 20 not to overlap each other, the air supply of the fan assembly 20 and the air outlet of the air outlet 17 do not interfere with each other, and the air supply and the air outlet are more stable.

[0039] The air inlet 13 is arranged at the extended end 113 of the first shell 11.

[0040] It should be noted that when the first shell 11 is provided with the air inlet 13, the second shell 12 is not provided with the air inlet 13.

[0041] The first shell 11 and the second shell 12 are connected by the connecting part 19, the connecting part 19 is integrally formed with the support 10 or is detachably connected, the three fan assemblies 20 are respectively a first fan assembly 21, a second fan assembly 22 and a third fan assembly 23, the first fan assembly 21 is close to the air inlet 13, the second fan assembly 22 is located in the first air duct 14 and close to one end of the connecting part 19, and the third fan assembly 23 is located in the second air duct 15 and close to one end of the connecting part 19.

[0042] The fan assembly 20 has a duct 201, a first impeller 202, a second impeller 203 and a motor (not shown), the first impeller 202 is arranged at the input end of the duct 201, the motor drives the first impeller 202 to rotate, the second impeller 203 is arranged at the output end of the duct 201, the first blades 2021 on the first impeller 202 and the second blades 2031 on the second impeller 203 are opposite in spiral direction, and a first air hole 2032 is formed between adjacent two second blades 2031; by arranging the second blades 2031 and the first blades 2021 opposite in spiral direction, the second blades 2031 can prevent the air in the U-shaped air duct 16 from flowing back to the duct 201, thereby enhancing the air pressure and improving the blowing effect.

[0043] The second blades 2031 extend counterclockwise towards the first impeller 202, and the first blades 2021 extend clockwise away from the second impeller 203. It can be understood that the second blades 2031 can also be arranged to extend clockwise towards the first impeller 202, and the first blades 2021 can be correspondingly arranged to extend clockwise away from the second impeller 203.

[0044] The second impeller 203 is provided with a wind guide cover 204 away from the first impeller, a plurality of second air holes 2041 are arranged on the wind guide cover 204, and the first air hole 2032 and the second air hole 2041 are communicated; by arranging the wind guide cover 204, the air is uniformly dispersed and output through the second air holes 2041 on the wind guide cover 204.

[0045] The axis 205 of the duct 201 on the first fan assembly 21 is parallel to the air inlet direction of the air inlet 13, the axis 205 of the duct 201 on the second fan assembly 22 extends towards the connecting part 19 along the air flow direction, and the axis 205 of the duct 201 on the third fan assembly 23 extends away from the connecting part 19 along the air flow direction.

[0046] The motor is a high-speed motor, and the rotating speed of the high-speed motor is more than 6000 revolutions per minute; by using the high-speed motor, when the three motors work at the same time, the air can be efficiently transported from one end of the U-shaped air duct 16 to the other end.

[0047] It should be noted that, in order to ensure that external air cannot be sucked into the U-shaped air duct 16 from the air outlet 17, the air supply efficiency of the three fan assemblies 20 along the air flow direction in the U-shaped air duct 16 can be gradually reduced, or a wind guide structure can be arranged in the U-shaped air duct 16, which makes part of the air blow out from the air outlet 17, and another part of the air continue to flow along the U-shaped air duct 16 to the next air outlet 17.

[0048] In summary, the utility model discloses a first air duct 14 and second air duct 15 are communicated and form the U-shaped air duct 16, and the U-shaped air duct 16 runs through entire support 10, and the U-shaped air duct 16 length is long, and a plurality of air outlets 17 along the length direction distribution of U-shaped air duct 16 are all arranged on first casing 11 and second casing 12, and at least three fan assemblies 20 are spaced apart in the U-shaped air duct 16, and three fan assemblies 20 are distributed in first air duct 14 and second air duct 15, utilize three fan assemblies 20 to draw air and send air, make the air in the U-shaped air duct 16 from one end of the U-shaped air duct 16 to the other end, and the air is blown out from the air outlet 17 when flowing through each air outlet 17, so that the hanging neck fan air outlet covers the large area, and the blowing effect is good.

[0049] The above is only the preferred embodiment of the utility model, and does not limit the utility model, so any modification, equivalent replacement, improvement etc. of the above embodiment according to the technical actuality of the utility model still belongs to the range of the utility model technical scheme.

Claims

1. A through-type neck fan, comprising a bracket wearable on a human neck, the bracket having a first shell and a second shell positioned on either side of the human neck, the first shell having an air inlet, a first air duct within the first shell, and a second air duct within the second shell, characterized in that: The first air duct is connected to the second air duct to form a U-shaped air duct, and the first shell and the second shell are both provided with a plurality of air outlets connected to the U-shaped air duct; At least three fan assemblies are spaced apart in the U-shaped air duct, and the three fan assemblies are distributed in the first air duct and the second air duct. The three fan assemblies drive the air in the U-shaped air duct to flow from one end to the other end of the U-shaped air duct.

2. The through-type neck fan according to claim 1, characterized in that: The air outlet is a single long strip air outlet, and the long strip air outlet extends along the length direction of the U-shaped air duct.

3. The through-type neck fan according to claim 2, characterized in that: A plurality of connecting ribs are provided in the elongated air outlet, and the connecting ribs divide the elongated air outlet into a plurality of sub-air outlets, and the plurality of sub-air outlets are distributed at intervals along the length direction of the elongated air outlet.

4. The through-type neck hanging fan according to claim 3, characterized in that: The thickness h of the connecting rib along the length direction of the long strip air outlet is 0.5mm to 1.5mm.

5. The through-type neck hanging fan according to claim 4, characterized in that: The thickness h of the connecting rib is 1 mm.

6. The through-type neck hanging fan according to claim 1, characterized in that: In the air outlet direction of the air outlet, the projections of the air outlet and the corresponding fan assembly do not overlap with each other.

7. The through-type neck hanging fan according to claim 1, characterized in that: The first shell and the second shell are connected by a connecting portion, and the three fan assemblies are a first fan assembly, a second fan assembly and a third fan assembly. The first fan assembly is close to the air inlet, the second fan assembly is located at one end of the first air duct close to the connecting portion, and the third fan assembly is located at one end of the second air duct close to the connecting portion.

8. The through-type neck hanging fan according to claim 7, characterized in that: The fan assembly includes an air guide tube, a first impeller, a second impeller and a motor. The first impeller is arranged at the input end of the air guide tube. The motor drives the first impeller to rotate. The second impeller is arranged at the output end of the air guide tube. The spiral direction of the first blade on the first impeller is opposite to that of the second blade on the second impeller.

9. The through-type neck hanging fan according to claim 8, characterized in that: The axis of the air guide tube on the first fan assembly is parallel to the air inlet direction of the air inlet, the axis of the air guide tube on the second fan assembly extends in the direction of air flow toward the connection part, and the axis of the air guide tube on the third fan assembly extends in the direction of air flow toward the connection part.

10. The through-type neck hanging fan according to claim 8, characterized in that: The motor is a high-speed motor, and the rotation speed of the high-speed motor exceeds 6000 rpm.

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