CN211692897U

CN211692897U - Fan worn on neck

Info

Publication number: CN211692897U
Application number: CN202020122804.XU
Authority: CN
Inventors: 刘凯; 伍勋焕
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-16
Anticipated expiration: 2030-01-19
Also published as: WO2021142982A1

Abstract

The utility model provides a neck-worn fan, which is used for being worn on the neck of a user, and comprises a body and a fan arranged in the body, wherein the body comprises a bracket, the bracket comprises an inner side wall close to the neck of the user and an outer side wall far away from the neck of the user, and an air channel is arranged in the bracket; the inner side wall comprises a middle area, a first area and a second area, the first area and the second area are located on the upper side and the lower side of the middle area respectively, the first area is provided with a first air outlet communicated with the air duct, and the second area is provided with a second air outlet communicated with the air duct. The utility model discloses a fan is worn to neck sets up first air outlet and second air outlet on the inside wall that the support is close to user's neck, and the air-out simultaneously of the upper and lower side multi-angle, the air-out output is big, and the area that wind can reach user's neck also increases, can cool down for the user fast, improves user's comfort level.

Description

Fan worn on neck

Technical Field

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

Background

In recent years, people are pursuing more convenient life, and various portable fans such as neck-worn fans are appearing on the market in order to meet the requirement that fans are needed for outdoor activities or other life scenes. The appearance of the neck-worn fan solves the activity limitation caused by the handheld fan, and the neck-worn fan can liberate both hands of a user no matter in use scenes such as sports, outdoor activities or offices, and can achieve the effect of blowing air anytime and anywhere without being held by hands.

The existing neck-worn fan generally comprises a support and fan seats arranged at two ends of the support, the relative directions of the fan seats are respectively provided with an air inlet and an air outlet, air enters from the outer side of the fan seats and then flows out from the inner side of the fan seats towards the neck, the air outlet quantity is limited, the area of the neck of a user can be reached by the air, the angle of the air outlet cannot reach the neck of the user at the fastest speed, the temperature of the user cannot be reduced quickly, and the product experience of the user is extremely influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan is worn to neck sets up first air outlet and second air outlet through the position that is close to user's neck on the support, and air-out simultaneously at last downside, the air-out volume is big and wind can reach the area increase of user's neck, can reach the effect of cooling for the user fast, provides user's good use and experiences.

The utility model provides a neck-worn fan, which comprises a body and a fan arranged in the body, wherein the body comprises a bracket, the bracket comprises an inner side wall close to the neck of a user and an outer side wall far away from the neck of the user, and a wind channel is arranged in the bracket; the inner side wall comprises a middle area, a first area and a second area, the first area and the second area are located on the upper side and the lower side of the middle area, the first area is provided with a first air outlet communicated with the air duct, and the second area is provided with a second air outlet communicated with the air duct. The utility model discloses a fan is worn to neck sets up first air outlet and second air outlet on the inside wall that the support is close to user's neck, and the air-out simultaneously of the upper and lower side multi-angle, the air-out output is big, and the area that wind can reach user's neck also increases, can cool down for the user fast, improves user's comfort level.

Drawings

Fig. 1 is a perspective combination view of a neck fan according to a first embodiment of the present invention.

Fig. 2 is an exploded perspective view of a neck fan according to a first embodiment of the present invention.

Fig. 3 is a schematic view of the placement of the fan of the neck fan according to the embodiment of the present invention.

Fig. 4 is an exploded perspective view of a neck fan according to a second embodiment of the present invention.

Fig. 5 is a schematic view of an inner case of a neck fan according to a second embodiment of the present invention.

Fig. 6 is a schematic view of fig. 5 taken along a-a.

Fig. 7 is a perspective view of a neck fan according to a third embodiment of the present invention.

Description of the reference numerals

The fan comprises a body 1, a fan 20, fan blades 21, a support 30, an end shell 40, an air inlet 401, an air deflector 41, an inner side wall 31, an outer side wall 32, a deflection part 22, a middle area 34, a first area 35, a second area 36, a first air outlet 350, a second air outlet 360, a partition plate 37, a main body part 370, a guide plate 371, an air deflector 372, a first air deflector 3721, a second air deflector 3722, a first air duct 301, a second air duct 302, a first air inlet 303, a second air inlet 304, an elastic connecting piece 50, a soft rubber piece 501, a metal piece 502, an inner shell 60, a first air vent 601, a second air vent 602

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example one

As shown in fig. 1 to 3, the embodiment of the present invention provides a neck fan, which mainly includes a body 1 and a fan 20 in the body 1, wherein the body 1 includes a support 30, and the neck fan is worn on the neck through the support 30 and hung on the neck of a user, so as to conveniently cool the user.

The body 1 includes a bracket 30 and an end housing 40 connected to one end of the bracket 30.

As shown in fig. 1, the bracket 30 includes an inner sidewall 31 close to the neck of the user and an outer sidewall 32 far away from the neck of the user, the inner sidewall 31 and the outer sidewall 32 are detachably connected to prevent air leakage at the joint edge, and the inner sidewall 31 and the outer sidewall 32 can also be integrally formed by injection molding or other processes. When the fan is placed on a table top by a neck, the direction far away from the table top is defined as the upper side, and the direction close to the table top is defined as the lower side. In this embodiment, the outer surfaces of the inner sidewall 31 and the outer sidewall 32 are both arc-shaped smooth surfaces, the inner sidewall 31 includes a middle area 34 close to the neck of the user, and a first area 35 and a second area 36 respectively located at the upper and lower sides of the middle area 34, the first area 35 is provided with a first air outlet 350, and the second area 36 is provided with a second air outlet 360. It is understood that the outer surface of the inner sidewall 31 may also have three surfaces that are mutually angled (or perpendicular), and the first area 35, the middle area 34 and the second area 36 are respectively located on the three surfaces, and the axes of the first outlet 350 disposed in the first area 35 and the second outlet 360 disposed in the second area 36 are arranged in an angle (or parallel).

As shown in fig. 2, an air duct is provided in the bracket 30. In the present embodiment, the bracket 30 is preferably of an arc-shaped configuration, a partition 37 is provided in the bracket 30, specifically, the partition 37 is protruded from the inner surface of the outer sidewall 32, and the partition 37 extends along the bending direction of the bracket 30, the top surface (i.e. the top surface in the protruding direction) of the partition 37 abuts against the inner surface of the inner sidewall 31, and the shapes of the two at the abutting position are completely matched, so that the sealing is ensured. The partition 37 separates the air duct into a first air duct 301 and a second air duct 302, the first air duct 301 is communicated with the first air outlet 350, and the second air duct 302 is communicated with the second air outlet 360. In other embodiments, only one air duct may be disposed in the bracket 30, the inner sidewall 31 and the outer sidewall 32 form a cavity region as the air duct, and the air generated by the fan 20 passes through the air duct and reaches the neck of the user in a large area at multiple angles from the first air outlet 350 and the second air outlet 360 to cool the user. In other embodiments, the support 30 can also be in a "U" shape, and includes a first arm and a second arm located on both sides of the user's neck, and a middle arm connected at both ends to the first arm and the second arm, respectively, wherein the first arm and the second arm are relatively flat, the middle arm is also in a flat configuration, and the first arm and the second arm are perpendicular to or form an acute angle with the middle arm, respectively. Of course, the middle arm may also be of an arc configuration, but not limited thereto.

Referring to fig. 2 again, the inner sidewall 31 and the outer sidewall 32 of the bracket 30 may be detachable connection structures, the upper and lower sides of the inner sidewall 31 are respectively connected to the upper and lower sides of the outer sidewall 32, one side of the partition 37 is disposed on the inner surface of the inner sidewall 31, and the other side of the partition 37 abuts against the inner surface of the outer sidewall 32; alternatively, one side of the partition 37 is provided on the inner surface of the outer wall 32, and the other side of the partition 37 abuts on the inner surface of the inner wall 31.

Referring to fig. 1 and 2, in this embodiment, the number of the first air outlets 350 and the number of the second air outlets 360 may be respectively multiple, and the multiple first air outlets 350 and the multiple second air outlets 360 are arranged at intervals along the bending direction of the bracket 30, and the shapes and the intervals are consistent. In other embodiments, the number of the first air outlet 350 and the second air outlet 360 may be one, and both the first air outlet 350 and the second air outlet 360 extend along the bending direction of the bracket 30, that is, both the first air outlet 350 and the second air outlet 360 are elongated holes. Alternatively, the number of the first air outlets 350 and the number of the second air outlets 360 may also be multiple, the first air outlets 350 are arranged at intervals in a direction from far away from the middle area 34 to near the middle area 34, and the second air outlets 350 are arranged at intervals in a direction from far away from the middle area 34 to near the middle area 34. In another angle, the plurality of first air outlets 350 and the plurality of second air outlets 360 may be arranged up and down, and if the first air outlets 350 and the second air outlets 360 are in a strip-shaped hole structure, they are preferably arranged in parallel up and down. Of course, in other embodiments, the first air outlet 350 and the second air outlet 360 may also be circular holes, square holes or other polygonal hole structures, but not limited thereto.

As shown in fig. 2 and 3, in the present embodiment, the fan 20 is provided inside the end housing 40. The end housing 40 is provided with an air inlet 401, and the air inlet 401 may be of a grid configuration. The end housing 40 is approximately circular in configuration, the end housing 40 has a housing center (not shown), the fan 20 has a rotational center (not shown), and the rotational center of the fan is eccentric to the housing center. The fan 20 includes a plurality of blades 21 disposed around the rotation center, the end of each blade 21 is provided with a deflection portion 22 facing the air duct, and the deflection direction and the deflection angle of the plurality of deflection portions 22 are kept the same, so that the fan has an effect of guiding the wind toward the air duct. In the present embodiment, it is preferable that the ends of fan blades 21 are rotated around the rotation center to form a circular rotation locus, and the distance D from the start end of partition 37 to the perpendicular of the circular rotation locus is 2 to 7 mm. In a preferred embodiment, the distance D between the beginning of the partition 37 and the perpendicular of the tangent of the circular path of rotation may even be 3 to 5mm, which ensures that the wind generated by the fan 20 enters the first wind channel 301 and the second wind channel 302 sufficiently, and the wind finally blown out from the first wind outlet 350 and the second wind outlet 360 is stronger.

Referring to fig. 2 and 3, an air deflector 41 is further disposed in the end casing 40, the air deflector 41 is disposed around the periphery of the fan 40, and the shape of the air deflector 41 is preferably in accordance with the archimedes spiral of the centrifugal fan for guiding more wind into the wind channel. Preferably, the air guide plate 41 is disposed on the inner surface of the end casing 40, and the air guide plate 41 is integrally formed with or detachably connected to the end casing 40.

In other embodiments, the fan 20 may be disposed within the bracket 30, may be disposed in the middle of the bracket 30, or may be disposed at the junction of two brackets 30.

As shown in fig. 2 and 3, in the present embodiment, the spacer 37 further includes a main body portion 370 protruding from the inner surface of the outer sidewall 32, and preferably, the main body portion 370 has a curvature (or arc) extending in conformity with the extension of the bracket 30. The end near the fan 20 is defined as the beginning and the end far from the fan 20 is defined as the end. A guide plate 371 is provided at the leading end of the main body 370, and the guide plate 371 is provided offset from the extending direction of the main body 370. In other words, the guide plate 371 has an inclined plate structure, the start end of the guide plate 371 is close to the upper side of the outer sidewall 32, the end of the guide plate 371 is close to the lower side of the outer sidewall 32, and the end of the guide plate 371 is connected to the start end of the main body 370. Therefore, the starting end of the guide plate 371 divides the inlet of the air duct into a first air inlet 303 and a second air inlet 304, the first air inlet 303 corresponds to the first air duct 301, the second air inlet 304 corresponds to the second air duct 302, that is, the first air inlet 303 and the second air inlet 304 are respectively communicated with the first air duct 301 and the second air duct 302, and the first air inlet 303 is smaller than the second air inlet 304. In a preferred embodiment, the cross-sectional area of the first air inlet 303 is half of the cross-sectional area of the second air inlet 304, so that the air flow entering the first air duct 301 and the air flow entering the second air duct 302 are substantially the same. Due to the arrangement of the guide plate 371 with the structure, a part of the wind blown from the first wind inlet 303 is shunted to the second wind inlet 304, so that the wind entering the first wind channel 301 and the second wind channel 302 is more uniform, and the first wind outlet 350 and the second wind outlet 360 uniformly wind to avoid the problem that the wind is not uniformly discharged from the upper side and the lower side and discomfort is brought to users.

The partition 37 further includes a wind deflector 372 attached to the end of the main body 370, the wind deflector 372 stopping at the end of the wind tunnel. In this embodiment, specifically, a first wind deflector 3721 and a second wind deflector 3722 are disposed at the tail end of the main body 370, and two ends of the first wind deflector 3721 are respectively connected to the upper inner surface of the outer sidewall 32 and the main body 370 to stop the tail end of the first air duct 301, so that the air flows out of the first air outlet 350 after passing through the first air duct 301; two ends of the second wind blocking plate 3722 are respectively connected to the lower inner surface of the outer sidewall 32 and the main body 370 to block the end of the second wind channel 302, so that the wind flows out from the second wind outlet 360 through the second wind channel 302, and finally reaches the neck of the user for cooling.

In other embodiments, the first air duct 301 and the second air duct 302 may be a tubular passage structure integrally formed in the bracket 30, and the partition 37 is a pipe wall structure for separating and locating the first air duct 301 and the second air duct 302, and is not limited thereto.

As shown in fig. 2, in the present embodiment, the bracket 30 has a minor arc configuration, the neck fan includes two brackets 30 having a minor arc configuration, and the body 1 of the neck fan further includes an elastic connecting member 50, and the two brackets are connected by the elastic connecting member 50. Preferably, the two brackets 30 are symmetrically disposed with respect to the elastic connection member 50, and when the fan is worn around the neck of the user, the two brackets 30 are respectively located at the left and right sides of the neck of the user. The elastic connecting member 50 further includes a soft plastic member 501 and a metal member 502 connected to the soft plastic member, and opposite ends of the metal member 502 are respectively connected to the two brackets 30. In this embodiment, preferably earlier be connected back with two supports 30 metalwork 502, rethread injection molding process wraps up the soft rubber part 501 shaping in the outside of metalwork 502, can guarantee elastic connection spare 50 like this have elastic deformation, and convenience of customers struts two supports and dresses, can increase elastic connection spare 50's intensity again, can realize strutting repeatedly and can the reconversion. In the present embodiment, the soft rubber 501 is preferably a thermoplastic material having elastic deformation, such as silicone rubber. The metal piece 502 is made of sheet metal with elastic deformation, and the sheet metal piece 502 can be attached to the outer side of the soft rubber piece 501 through other methods besides being injected into the soft rubber piece 501. In other embodiments, the metal member 502 may also be a metal hose structure, and is not limited thereto.

Example two

The present embodiment is the same as the first embodiment, and the description of the same parts is omitted here, except that: as shown in fig. 4 to 6, an inner housing 60 is further provided in the bracket 30, and the inner housing 60 is integrally formed and forms an air passage therein. After the inside wall 31 and the outside wall 32 of the bracket 30 are assembled, the integrally formed inner casing 60 is located in a cavity enclosed by the inside wall 31 and the outside wall 32, even if a slight gap is formed on a joint line of the inside wall 31 and the outside wall 32, wind can not leak from the joint line of the inside wall 31 and the outside wall 32, so that the wind quantity and the wind power are ensured to be large enough, and the effect of accelerating the cooling of a user is achieved. Further, in a preferred scheme, the outer surface of the inner housing 60 contacts the inner surface of the bracket 30 and has a shape matched with the inner surface, a partition 37 is further disposed in the inner housing 60, the partition 37 separates the air duct into a first air duct 301 and a second air duct 302, the inner housing 60 is respectively provided with a first vent 601 and a second vent 602, the first air duct 301 is communicated with the first air outlet 350 through the first vent 601, and the second air duct 302 is communicated with the second air outlet 360 through the second vent 602.

EXAMPLE III

The present embodiment is the same as the first embodiment, and the description of the same parts is omitted here, except that: as shown in fig. 7, the elastic connection member 50 is omitted and the bracket 30 may be of an integral structure. In the present embodiment, the holder 30 has a major arc structure, and the holder 30 itself may be made of a material having elastic restoring force so as to be worn by holding both ends of the holder 30 to be spread. In the present embodiment, the end housings 40 may be disposed at both ends of the support 30, and the fan 20 is disposed in the end housings 40, but the end housings 40 may be omitted, and the fan 20 may be disposed at a middle position of the support 30, near the rear side of the neck of the user, and the present invention is not limited thereto. The first and

second outlets

350 and 360 are disposed in the first and

second regions

35 and 36 of the inner sidewall 31 of the rack 30. The inside integrated into one piece of support 30 has baffle 37, and baffle 37 separates into first wind channel 301 and second wind channel 302 with the wind channel in the support 30, can show the part of baffle 37 in first air outlet 350 and the second air outlet 360, but first air outlet 350 and second air outlet 360 still can not the different angles carry out the air-out, carry out rapid cooling to the user respectively in upper and lower both sides multi-angle.

To sum up, the utility model discloses a fan is worn to neck is through setting up the wind channel in support 30, and through setting up first air outlet 350 and the second air outlet 360 of downside on support 30, realizes the multi-angle air-out, and the air output is big, and the area that wind can reach the user neck is also great, can cool down for the user fast, improves user's use and experiences.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A neck-worn fan is used for being worn on the neck of a user and is characterized by comprising a body and a fan arranged in the body, wherein the body comprises a support, the support comprises an inner side wall close to the neck of the user and an outer side wall far away from the neck of the user, and an air channel is arranged in the support; the inner side wall comprises a middle area, a first area and a second area, the first area and the second area are located on the upper side and the lower side of the middle area respectively, the first area is provided with a first air outlet communicated with the air duct, and the second area is provided with a second air outlet communicated with the air duct.

2. The neck fan as claimed in claim 1, wherein a partition is disposed in the frame, the partition separates the air duct into a first air duct and a second air duct, the first air duct is communicated with the first air outlet, and the second air duct is communicated with the second air outlet.

3. The neck fan as claimed in claim 2, wherein the partition plate includes a main body portion and a wind deflector connected to a distal end of the main body portion, the wind deflector stopping at a distal end of the air duct.

4. The neck fan as claimed in claim 2, wherein the partition plate comprises a main body portion and a guide plate connected to a start end of the main body portion, the start end of the guide plate divides an inlet of the air duct into a first air inlet and a second air inlet, the first air inlet and the second air inlet are respectively communicated with the first air duct and the second air duct, and the first air inlet is smaller than the second air inlet.

5. The neck fan as claimed in claim 2, wherein the bracket has an arc-shaped configuration, the number of the first outlet and the second outlet is one, and one of the first outlet and one of the second outlet are formed to extend in a bending direction of the bracket; or the number of the first air outlets and the number of the second air outlets are respectively multiple, and the multiple first air outlets and the multiple second air outlets are arranged at intervals along the bending direction of the support; or the first air outlets and the second air outlets are respectively in a plurality of numbers, the first air outlets are arranged at intervals in the direction from the position far away from the middle area to the position close to the middle area, and the second air outlets are arranged at intervals in the direction from the position far away from the middle area to the position close to the middle area.

6. The neck fan of claim 2 wherein the body further comprises an end housing connected to the cradle, the fan being disposed within the cradle or within the end housing.

7. The neck fan of claim 6 wherein the fan is disposed within the end housing, the end housing having a housing center, the fan being disposed within the end housing with a center of rotation of the fan being off-center from the housing center; the fan comprises a plurality of fan blades arranged around the rotating center, and the distance from the starting end of the partition plate to the perpendicular line of the tangent line of the rotating circular track formed by the tail ends of the plurality of fan blades is 2-7 mm.

8. The neck fan of claim 6 wherein the fan is disposed within the end housing, and wherein a deflector is disposed within the end housing, the deflector being disposed around a periphery of the fan to direct more wind into the wind tunnel.

9. The neck fan as claimed in claim 1, wherein the body further comprises two elastic connecting members, the two brackets are connected by the elastic connecting members, and the two brackets are symmetrically arranged; the elastic connecting piece comprises a soft rubber piece and a metal piece connected with the soft rubber piece, and two ends of the metal piece are respectively connected with the two supports.

10. The neck fan as claimed in claim 2, wherein the upper and lower sides of the inner sidewall are respectively connected to the upper and lower sides of the outer sidewall, one side of the partition is disposed on the inner surface of the inner sidewall or the outer sidewall, and the other side of the partition abuts against the inner surface of the outer sidewall or the inner sidewall; or, an inner shell is further arranged in the support, the air duct is formed in the inner shell, the partition plate is arranged in the inner shell and separates the air duct into the first air duct and the second air duct, a first ventilation opening and a second ventilation opening are respectively arranged on the inner shell, the first air duct is communicated with the first air outlet through the first ventilation opening, and the second air duct is communicated with the second air outlet through the second ventilation opening.