CN218563966U - Single-fan double-air-duct neck fan - Google Patents
Single-fan double-air-duct neck fan Download PDFInfo
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- CN218563966U CN218563966U CN202223138033.1U CN202223138033U CN218563966U CN 218563966 U CN218563966 U CN 218563966U CN 202223138033 U CN202223138033 U CN 202223138033U CN 218563966 U CN218563966 U CN 218563966U
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Abstract
The utility model relates to a single-fan double-air-channel neck fan, which comprises a wearing bracket, wherein a first accommodating cavity and an air channel are arranged on the neck bracket, a first air inlet is arranged on the neck bracket, the first air inlet is communicated with the first accommodating cavity, a first air outlet is arranged on the side wall of the air channel, the neck fan further comprises an air outlet cover and a single-shaft bidirectional fan, a through hole communicated with the first accommodating cavity is arranged at the end part of the neck bracket, the air outlet cover is arranged corresponding to the through hole and is arranged at the periphery of the through hole, the air outlet cover is provided with a second accommodating cavity, a second air inlet and a second air outlet, the air outlet cover is connected with the end part of the neck bracket, and the first accommodating cavity is communicated with the second accommodating cavity through the through hole; the single-shaft bidirectional fan is provided with a fan blade interlayer which separates the fan blades into a first fan blade and a second fan blade, the single-shaft bidirectional fan is provided with a through hole, and the single-shaft bidirectional fan separates a first accommodating cavity from a second accommodating cavity through the fan blade interlayer; it only can provide neck air-out and face portion air-out simultaneously with a unipolar two-way fan, consumption, cost and volume greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of two wind channel neck fans technique and specifically relates to indicate a two wind channel neck fans of single fan.
Background
Along with the improvement of living standard, people also put forward higher requirements on the comfort and the convenience of life. In recent years, various portable fans such as a handheld fan and a neck fan are available on the market to provide cool air to users at any time and any place. Compared with a handheld fan, the fan needs to be held by a user, the neck is erected on the neck, the hands of the user can be liberated, the fan is popular with the public, and the fan brings great convenience to the user particularly in the occasions of sports, outdoor activities and the like.
The existing neck-wearing fan is composed of a frame capable of being worn around the neck of a human body and a fan connected to the frame. An air duct and an air outlet communicated with the air duct and the outside are formed in the bracket; the fan operates to form a forced airflow which flows along the air duct and is finally blown out by the air outlet.
There are three situations with existing neck fans:
1. the air duct only independently exhausts air for the face, the air duct is integrated at the end part, the air output quantity can concentrate the face of a person and cannot blow to the neck on the side face of the person, and only one side of the heat dissipation effect is ventilated;
2. the air duct only disperses air outlet at the neck, the air duct is arranged at two sides of the neck of a human body in a strip shape, the air outlet quantity can surround the neck at the side of the human body, the heat dissipation effect can enable two sides to be ventilated, but the air cannot blow to the face of the human body;
3. two or more fan systems (two or more fans) are provided, and although the fan systems can output air to the face and the neck, the two or more fan systems are used, so that the overall cost and power consumption are greatly increased, and the volume is also greatly increased due to the two superposed fan systems.
Therefore, in the present application, the applicant has studied a single-fan dual-duct neck fan to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to above-mentioned prior art exists, main aim at provides a two wind channel neck fans of single fan, and it only can provide neck air-out and face portion air-out, consumption, cost and volume greatly reduced simultaneously with a unipolar two-way fan.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
a single-fan double-air-duct neck fan comprises a neck support, wherein the neck support is bent and can be worn on the neck of a human body, a first accommodating cavity and an air duct communicated with the first accommodating cavity are formed in the neck support, the neck support is further provided with a first air inlet, the first air inlet is communicated with the first accommodating cavity, and a first air outlet is formed in the side wall of the air duct;
the air outlet cover is provided with a second accommodating cavity with an opening facing the through hole, a second air inlet and a second air outlet which are communicated with the second accommodating cavity, the air outlet cover is connected with the end part of the neck support, and the first accommodating cavity is communicated with the second accommodating cavity through the through hole;
the single-shaft bidirectional fan is provided with a fan blade and a fan blade interlayer for dividing the fan blade into a first fan blade and a second fan blade, the single-shaft bidirectional fan is arranged at the through hole, and the single-shaft bidirectional fan divides the first accommodating cavity and the second accommodating cavity by the fan blade interlayer;
the first fan blade is positioned in the first accommodating cavity, and air generated by the operation of the first fan blade is blown out from the first air outlet after passing through the air duct so as to blow air to the neck;
the second fan blade is located the second and holds the intracavity, and the wind that second fan blade operation produced blows out from the second air outlet behind the second holds the chamber in order to realize blowing to the face portion.
Preferably, the outlet housing is rotatable relative to the neck support to adjust the position of the second outlet.
As a preferred scheme, the tip of neck support goes out the fan housing recess dorsad and is equipped with the recess, the inner wall of recess is formed with annular convex part, be formed with the installation annular face between the outside of annular convex part and the inner wall of recess, it is on the annular face to go out the fan housing adaptation installation.
As a preferable scheme, the air outlet cover has a vertical portion extending in the up-down direction and an annular side wall extending from the outer periphery of the vertical portion integrally toward the end of the neck support, the second air inlet is formed in the annular side wall, and the second air outlet is formed in the annular side wall.
As a preferred scheme, be equipped with drive arrangement on the neck support, drive arrangement drive connection unipolar two-way fan is in order to drive unipolar two-way fan rotation.
Preferably, a battery for supplying power is arranged in the neck support.
As a preferred scheme, a charging interface is arranged on the neck support, a circuit board is arranged in the neck support, a charging circuit is arranged on the circuit board, the battery is a rechargeable battery, and the charging interface is electrically connected to the rechargeable battery through the charging circuit.
As a preferred scheme, a control key is arranged on the neck support, a circuit board is arranged in the neck support, a control circuit is arranged on the circuit board, and the control circuit is respectively and electrically connected with the control key and the driving device so as to control the working state of the single-shaft bidirectional fan through the control key.
As a preferred scheme, go out the fan housing and be provided with two and connect the inboard at this neck support both ends respectively, the two-way fan of unipolar also is provided with two, and each goes out the fan housing and corresponds and set up the two-way fan of unipolar.
As a preferred scheme, the neck support is including connecting portion and two air-out portions at pin joint connecting portion both ends respectively, establishes the first wind channel that holds the chamber and communicate the first chamber that holds in each air-out portion, and each air-out portion establishes and holds the first air intake that the chamber is linked together with first, set up first air outlet on the lateral wall in wind channel.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly: the air outlet cover is matched with the single-shaft bidirectional fan, and the air outlet of the neck and the air outlet of the face can be simultaneously provided by only using the single-shaft bidirectional fan, so that the power consumption, the cost and the volume are greatly reduced;
secondly, the position of the second air outlet is convenient to adjust by a user through the adjustable design of the air outlet cover so as to adapt to different use requirements;
moreover, the cruising ability of the neck-worn fan is improved through the matching of the charging interface and the rechargeable battery.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic perspective view of an assembly structure according to an embodiment of the present invention;
fig. 2 is a front view of an embodiment of the invention;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 4 is an exploded view of the embodiment of the present invention;
fig. 5 is another exploded view of the embodiment of the present invention.
The reference numbers indicate:
10. neck support
101. First accommodation cavity 102 and air duct
103. The first air inlet 104 and the first air outlet
105. Through hole 106, groove
107. Annular projection 108, mounting ring face
11. Connecting part
12. Air outlet part 121 and air guide plate
20. Air outlet hood
201. The second accommodating cavity 202 and a second air inlet
203. Second air outlet
21. Vertical part 22, annular side wall
30. Single-shaft bidirectional fan
31. First fan blade 32 and second fan blade
33. Fan blade interlayer
41. Drive motor 42, interface charges
43. Control key 44 and circuit board
45. A rechargeable battery is provided.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 to 5, a single-blade double-independent-air-duct 102 type neck fan includes a neck support 10, the neck support 10 is curved and can be worn on the neck of a human body, a first accommodating cavity 101 and an air duct 102 communicating with the first accommodating cavity 101 are provided in the neck support 10, the neck support 10 is further provided with a first air inlet 103, the first air inlet 103 is communicated with the first accommodating cavity 101, and a first air outlet 104 is provided on a side wall of the air duct 102.
Still including going out fan housing 20 and unipolar bi-directional fan 30, the first through-hole 105 that holds chamber 101 of intercommunication is seted up to the tip of neck support 10, it sets up and its cover is located the periphery of through-hole 105 to go out fan housing 20 and correspond through-hole 105 department, it has the second of opening towards through-hole 105 to hold chamber 201 and hold second air intake 202, the second air outlet 203 that chamber 201 communicates with the second to go out fan housing 20.
The air outlet cover 20 is connected with the end part of the neck support 10, and the first accommodating cavity 101 is communicated with the second accommodating cavity 201 through the through hole 105; in this embodiment, the outlet housing 20 can rotate relative to the neck support 10 to adjust the position of the second outlet opening 203. In this embodiment, the air-out cover 20 is mainly used for blowing air towards the face, so that the air-out angle of the air-out cover can be adjusted by rotating the air-out cover 20, so that the air can be blown to different parts of the face.
The tip of neck brace 10 goes out fan housing 20 recess dorsad and is equipped with recess 106, the inner wall of recess 106 is formed with annular convex part 107, be formed with installation toroidal surface 108 between the outside of annular convex part 107 and the inner wall of recess 106, it is on installation toroidal surface 108 to go out fan housing 20 adaptation.
In this embodiment, the outlet cover 20 has a vertical portion 21 extending in the up-down direction and an annular side wall 22 integrally extending from the outer periphery of the vertical portion 21 toward the end of the neck support 10, the second inlet 202 is formed on the annular side wall 22, and the second outlet 203 is formed on the annular side wall 22.
The uniaxial bidirectional fan 30 is provided with fan blades and a fan blade interlayer 33 for dividing the fan blades into a first fan blade 31 and a second fan blade 32, the uniaxial bidirectional fan 30 is arranged at the through hole 105, and the uniaxial bidirectional fan 30 divides the first accommodating cavity 101 and the second accommodating cavity 201 by the fan blade interlayer 33;
the first fan blade 31 is located in the first accommodating cavity 101, and air generated by the operation of the first fan blade 31 is blown out from the first air outlet 104 through the air duct 102 to blow air to the neck;
the second fan blade 32 is located in the second accommodating cavity 201, and air generated by the operation of the second fan blade 32 is blown out from the second air outlet 203 through the second accommodating cavity 201 so as to blow air to the opposite part.
The neck support 10 is provided with a driving device, a charging interface 42 and a control key 43, and the driving device drives and connects the single-shaft bidirectional fan 30 to drive the single-shaft bidirectional fan 30 to rotate. In this embodiment, the driving means is a driving motor 41 installed in the neck brace 10. The control button 43 can be used for power on and off and wind speed adjustment.
The neck brace 10 has a circuit board 44 and a battery for power. The circuit board 44 is provided with a charging circuit and a control circuit, the battery is a rechargeable battery 45, and the charging interface 42 is electrically connected to the rechargeable battery 45 through the charging circuit. The control circuit is respectively electrically connected with the control key 43 and the driving device to control the working state of the single-shaft bidirectional fan 30 through the control key 43.
In this embodiment, the two air-out covers 20 are respectively connected to the inner sides of the two end portions of the neck support 10, the two single-shaft bidirectional fans 30 are also provided, and each air-out cover 20 is correspondingly provided with one single-shaft bidirectional fan 30.
Each air outlet portion 12 is further provided with an air deflector 121 therein, and the air deflector 121 extends along the length direction of the air outlet portion 12 and is used for limiting the shape of the air duct 102, so that the air duct 102 gradually increases from one end away from the first accommodating cavity 101 to the first accommodating cavity 101. Thereby ensuring that the first air outlet 104 far away from one end of the first fan blade 31 has stronger wind power.
The following working principle is explained in general:
after the computer is normally started up, after the control button 43 is pressed, the control circuit controls the driving device to drive the single-shaft bidirectional fan 30 to rotate, the air generated by the operation of the first fan blade 31 is blown out from the first air outlet 104 through the air duct 102 to blow air to the neck, and meanwhile, the air generated by the operation of the second fan blade 32 is blown out from the second air outlet 203 through the second accommodating cavity 201 to blow air to the face.
The design key points of the utility model lie in that the neck air-out and the face air-out can be provided simultaneously by only one single-shaft bidirectional fan through the matching of the single-shaft bidirectional fan and the air-out cover, and the power consumption, the cost and the volume are greatly reduced;
secondly, the position of the second air outlet is convenient to adjust by a user through the adjustable design of the air outlet cover so as to adapt to different use requirements;
moreover, the cooperation of the charging interface and the rechargeable battery increases the cruising ability of the neck-worn fan.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a two wind channel neck fans of single fan, including the neck support, the neck support is crooked form and can be used to wear at human neck, be equipped with the first wind channel that holds the chamber and the first chamber that holds of intercommunication in the neck support, the neck support still is equipped with first air intake, first air intake and the first chamber that holds are linked together, be provided with first air outlet, its characterized in that on the lateral wall in wind channel:
the air outlet cover is provided with a second accommodating cavity with an opening facing the through hole, a second air inlet and a second air outlet which are communicated with the second accommodating cavity, the air outlet cover is connected with the end part of the neck support, and the first accommodating cavity is communicated with the second accommodating cavity through the through hole;
the single-shaft bidirectional fan is provided with a fan blade and a fan blade interlayer which divides the fan blade into a first fan blade and a second fan blade, the single-shaft bidirectional fan is arranged at the through hole, and the single-shaft bidirectional fan divides the first accommodating cavity and the second accommodating cavity through the fan blade interlayer;
the first fan blade is positioned in the first accommodating cavity, and air generated by the operation of the first fan blade is blown out from the first air outlet after passing through the air duct so as to blow air to the neck;
the second fan blade is located the second and holds the intracavity, and the wind that second fan blade operation produced blows out from the second air outlet behind the second holds the chamber in order to realize blowing to the face portion.
2. The single-fan dual-duct neck fan of claim 1, wherein: the air outlet cover can rotate relative to the neck support to adjust the position of the second air outlet.
3. The single-fan dual-duct neck fan of claim 1, wherein: the tip of neck support goes out the fan housing recess dorsad and is equipped with the recess, the inner wall of recess is formed with annular convex part, be formed with the installation annular face between the outside of annular convex part and the inner wall of recess, it is on the annular face to go out the fan housing adaptation in installation.
4. The single-fan dual-duct neck fan of claim 1, wherein: the air outlet cover is provided with a vertical portion extending along the vertical direction and an annular side wall formed by extending the end portion of the neck support integrally from the outer periphery of the vertical portion, the second air inlet is formed in the annular side wall, and the second air outlet is formed in the annular side wall.
5. The single-fan dual-duct neck fan of claim 1, wherein: the neck support is provided with a driving device, and the driving device drives and connects the single-shaft bidirectional fan to drive the single-shaft bidirectional fan to rotate.
6. The single-fan dual-duct neck fan of claim 1, wherein: and a battery for supplying power is arranged in the neck support.
7. The single-fan dual-duct neck fan of claim 6, wherein: the neck support is provided with a charging interface, a circuit board is arranged in the neck support, a charging circuit is arranged on the circuit board, the battery is a rechargeable battery, and the charging interface is electrically connected with the rechargeable battery through the charging circuit.
8. The single-fan dual-duct neck fan of claim 5, wherein: the neck support is provided with a control key, a circuit board is arranged in the neck support, and a control circuit is arranged on the circuit board and is respectively and electrically connected with the control key and the driving device so as to control the working state of the single-shaft bidirectional fan through the control key.
9. The single-fan dual-duct neck fan of any one of claims 1 to 8, wherein: go out the fan housing and be provided with two and connect the inboard at this neck support both ends respectively, the two-way fan of unipolar also is provided with two, and each goes out the fan housing and corresponds and set up the two-way fan of unipolar.
10. The single-fan dual-duct neck fan of any one of claims 1 to 8, wherein: neck support is including connecting portion and two air-out portions at pin joint connecting portion both ends respectively, establishes the first wind channel that holds the chamber and communicate the first chamber that holds in each air-out portion, and each air-out portion establishes the first air intake that is linked together with the first chamber that holds, set up first air outlet on the lateral wall in wind channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223138033.1U CN218563966U (en) | 2022-11-25 | 2022-11-25 | Single-fan double-air-duct neck fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223138033.1U CN218563966U (en) | 2022-11-25 | 2022-11-25 | Single-fan double-air-duct neck fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218563966U true CN218563966U (en) | 2023-03-03 |
Family
ID=85305554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223138033.1U Active CN218563966U (en) | 2022-11-25 | 2022-11-25 | Single-fan double-air-duct neck fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218563966U (en) |
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2022
- 2022-11-25 CN CN202223138033.1U patent/CN218563966U/en active Active
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