CN212899135U

CN212899135U - Portable fan

Info

Publication number: CN212899135U
Application number: CN202021412871.1U
Authority: CN
Inventors: 刘凯
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-06
Anticipated expiration: 2030-07-16

Abstract

The utility model provides a portable fan can be used to dress at human neck, manage and connect including going out the wind-out go out the casing at wind-out pipe both ends, it is equipped with the wind channel to go out the intraductal wind channel that is equipped with, be equipped with in the casing with the chamber of acceping of wind channel intercommunication, it is equipped with the fan to accept the intracavity, it just corresponds for flexible material to go out the wind channel is equipped with first air outlet, the wind channel that the fan produced the wind channel is followed first air outlet blows off. Through adopting flexible material to make with the play tuber pipe for the play tuber pipe can buckle the deformation at will, and the user is when accomodating and carrying portable fan, and the accessible is buckled out the tuber pipe in order to reduce portable fan's volume, for example will go out the tuber pipe fifty percent discount, thereby reduce portable fan's whole length, convenience of customers accomodates, carries in putting into the package for example. The utility model discloses a portable fan simple structure easily realizes, and the practicality is strong, is suitable for popularization and application.

Description

Portable fan

Technical Field

The utility model relates to a fan technical field, in particular to portable fan.

Background

In hot summer, electric fans, air conditioners and the like are cooling equipment which are most commonly used by people, but the cooling equipment can only be used indoors and cannot be carried about, when people go out or have an open rest, the people can only cool themselves by using fans or natural wind, but the people do not have the natural wind many times and are tired by using the fans. In response to this situation, various portable fans have appeared on the market, which are mostly hand-held, inconvenient to take and store, and tired if being held for a long time.

Therefore, the neck hanging fan is also arranged on the market, but most of the existing neck hanging fans are made of plastic hard shells, the whole shape is fixed, a large space is occupied during storage, and the user is inconvenient to store and carry.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a portable fan capable of solving the above problems.

The utility model provides a portable fan can be used to dress at human neck, manage and connect including going out the wind-out go out the casing at wind-out pipe both ends, it is equipped with the wind channel to go out the intraductal wind channel that is equipped with, be equipped with in the casing with the chamber of acceping of wind channel intercommunication, it is equipped with the fan to accept the intracavity, it just corresponds for flexible material to go out the wind channel is equipped with first air outlet, the wind channel that the fan produced the wind channel is followed first air outlet blows off.

In an embodiment, a bending and shaping member is disposed in the air outlet pipe, so that the air outlet pipe can be shaped in the bending state after being bent.

In an embodiment, the bending and shaping piece is a shaping steel wire, and the shaping steel wire is fixed in the air outlet pipe through injection molding.

In an embodiment, a fixing portion is disposed in the air outlet pipe, the fixing portion is provided with a through hole, and the bending shaping member is fixed in the through hole in a penetrating manner.

In an embodiment, the housing is detachably connected to the air outlet pipe, one of the housing and the air outlet pipe is provided with a hook, and the other of the housing and the air outlet pipe is provided with a slot, and the hook is in snap fit with the slot.

In one embodiment, the air outlet pipe is made of silica gel or soft rubber.

In an embodiment, the portable fan includes a battery, a circuit board, and a switch button, the battery, the switch button, and the battery are disposed on the housing, the fan, the battery, and the switch button are electrically connected to the circuit board, and the switch button is used to control the start and stop of the fan.

In one embodiment, the housings are detachably connected with the air outlet pipe, and the batteries, the circuit board and the switch keys are respectively arranged on the two housings, so that the two fans can work independently.

In an embodiment, the housing includes a main body and a cover connected to an outer side of the main body, a mounting space is formed between the cover and the main body, the battery and the circuit board are mounted in the mounting space, the switch button is disposed on the cover, the housing cavity is formed in the main body, an air inlet is disposed on an inner side wall and/or an outer side wall of the main body corresponding to the fan, external air enters the main body from the air inlet when the fan operates, a protective cover is disposed at the air inlet, an air inlet portion is disposed on the cover corresponding to the air inlet on the outer side wall of the main body, and the protective cover is disposed on an outer side of the air inlet portion and forms a gap with the air inlet portion.

In an embodiment, the fan is located at one end of the accommodating cavity far away from the air outlet pipe, a wind shield is arranged in the accommodating cavity, the wind shield extends along the length direction of the shell and separates the accommodating cavity to form an air outlet channel located between the fan and the air duct, the air outlet channel gradually decreases from one end close to the fan to the other end, a second air outlet is arranged on the shell corresponding to the air outlet channel, and an arc-shaped portion extending around the rotation track of the fan is formed at one end of the wind shield close to the fan.

To sum up, the utility model provides a portable fan is through adopting flexible material to make out the tuber pipe for go out the tuber pipe and can buckle the deformation at will, and utilize the setting element of buckling to finalize the design in this form of buckling with going out the tuber pipe, consequently, when the user is accomodating and carries portable fan, the accessible is buckled out the tuber pipe and is in order to reduce portable fan's volume, for example will go out the tuber pipe fifty percent discount, thereby reduce portable fan's overall length, convenience of customers accomodates, for example, carry in putting into the package. The utility model discloses a portable fan simple structure easily realizes, and the practicality is strong, is suitable for popularization and application.

Drawings

Fig. 1 is a perspective view of a portable fan.

Fig. 2 is an exploded view of the portable fan of fig. 1.

Fig. 3 is a further exploded view of the portable fan of fig. 2.

Fig. 4 is an enlarged side sectional view of a connecting portion of the housing and the outlet duct.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

As shown in fig. 1-4, the present invention provides a portable fan 10, which can be worn on the neck of a human body. The portable fan 10 comprises an air outlet pipe 12 and a shell 14 connected to two ends of the air outlet pipe 12, wherein an air duct 16 is arranged in the air outlet pipe 12, an accommodating cavity 15 communicated with the air duct 16 is arranged in the shell 14, and a fan 18 is arranged in the accommodating cavity 15. The air outlet pipe 12 is made of a flexible material, such as a silica gel or a soft gel material, a first air outlet 20 is arranged on the air outlet pipe 12 corresponding to the air duct 16, and air generated by the operation of the fan 18 is blown out from the first air outlet 20 through the air duct 16, so that the air blowing and cooling effects are achieved.

The inside of the air outlet pipe 12 is provided with a bending fixed part 22, and the bending fixed part 22 can be integrally formed with the air outlet pipe 12. In the illustrated embodiment, a fixing portion 24 is disposed in the outlet duct 12, the fixing portion 24 is provided with a through hole 26 extending along the length direction of the outlet duct 12, and the bending shape-fixing member 22 is disposed in the through hole 26. The bending shape-defining member 22 may be a metal shape-defining hose, or a coil, or a shape-defining steel wire, etc. which can make the air outlet pipe 12 have a bending memory function, and can be shaped in this shape after bending. When the bending shape-fixing member 22 is a fixing steel wire, the fixing steel wire can be fixed in the air outlet pipe 12 by injection molding. The bending shape-fixing member 22 can be formed into any shape by stretching, bending, twisting, etc. and can be fixed in the shape, and the shape of the air outlet pipe 12 can be changed along with the change of any bending shape of the bending shape-fixing member 22. The length of the bending shape 22 is substantially equal to the length of the outlet duct 12, i.e. the length of the bending shape 22 may be equal to the length of the outlet duct 12 or slightly smaller or larger than the length of the outlet duct 12. The two housings 14 are respectively connected to two ends of the air outlet pipe 12, and the air outlet pipe 12 is smoothly connected to the outer surface of the housing 14.

The outlet duct 12 can be stretched, bent, twisted, etc. to realize that the portable fan 10 can be in any shape and fixed in the shape. When the portable fan 10 is not used and needs to be stored, the volume of the portable fan 10 can be reduced by bending the air outlet pipe 12, for example, the air outlet pipe 12 is folded in half, so that the overall length of the portable fan 10 is reduced, and the portable fan is convenient for a user to store, for example, put into a bag to carry. When the portable fan 10 is used, the air outlet direction of the first air outlet 20 can be adjusted by bending and twisting the air outlet pipe 12, so that the air from the first air outlet 20 can be blown to different parts of the neck or face of a human body.

Since the two housings 14 have the same structure and are symmetrical to each other, and the connection structure with the air outlet pipe 12 is the same, only one housing 14 will be described in detail below as an example.

The housing 14 and the air outlet pipe 12 may be integrally formed or may be separately disposed. In this embodiment, the housing 14 and the air outlet pipe 12 are separately arranged, and the housing 14 and the air outlet pipe 12 are detachably connected, so that maintenance, part replacement and the like are facilitated. In the embodiment shown, the housing 14 is snap-fit to the outlet duct 12. More specifically, the housing 14 includes an inner housing 14a and an outer housing 14b that are fastened together, a cavity is formed between the inner housing 14a and the outer housing 14b, hooks 28 are respectively disposed at ends of the inner housing 14a and the outer housing 14b that are connected to the air outlet pipe 12, two slots 30 are disposed at ends of the air outlet pipe 12 that are connected to the housing 14 corresponding to the two hooks 28, and when the air outlet pipe is installed, the two hooks 28 are directly fastened in the two slots 30, so that the housing 14 and the air outlet pipe 12 can be connected and fixed, which is simple and convenient. When a user needs to store and carry the portable fan 10, the portable fan 10 can be disassembled into a plurality of small pieces, and the portable fan is convenient to carry. In other embodiments, the housing 14 and the outlet duct 12 may be detachably connected by other snap structures or other detachable connection structures.

The portable fan 10 further includes a battery 32, a circuit board 34, and a switch button 36 disposed on the housing 14, wherein the fan 18, the battery 32, and the switch button 36 are electrically connected to the circuit board 34, and the switch button 36 is used for controlling on/off of the fan 18. In the illustrated embodiment, the fans 18, the battery 32, the circuit board 34 and the switch button 36 are provided in two sets, the two housings 14 are provided in one set, and the fan 18, the battery 32, the circuit board 34 and the switch button 36 of each housing 14 are provided in one set, and the fan 18, the battery 32 and the switch button 36 are electrically connected to the circuit board 34, respectively, so that the two fans 18 can operate independently, the power is more sufficient, the endurance of the portable fan 10 is prolonged, and a user can turn on one fan 18 or two fans 18 as desired.

In the illustrated embodiment, the housing 14 includes a main body 37 and a cover 38 connected to an outer side of the main body 37, a mounting space 40 is formed between the cover 38 and the main body 37, the battery 32 and the circuit board 34 are disposed in the mounting space 40, and the switch button 36 is disposed on an outer wall surface of the cover 38 for facilitating the operation of the user. The accommodating cavity 15 is formed in the body portion 37, the body portion 37 includes an inner shell 14a and an outer shell 14b, that is, the accommodating cavity 15 is formed between the inner shell 14a and the outer shell 14b, and the fan 18 is disposed at an end of the body portion 37 far from the air outlet pipe 12. More specifically, the inner shell 14a includes inner sidewalls adjacent to the neck of the human body and top and bottom walls connected between the inner sidewalls, the outer shell 14b is plate-shaped located at a side away from the neck of the human body, and the outer shell 14b is connected to an outer end of the inner shell 14a, for example, a snap connection.

The main body 37 is provided with a receiving portion 42, the fan 18 is disposed at one end of the receiving portion 42 away from the air outlet pipe 12, and the cover 38 is disposed outside the main body 37 in a region corresponding to the receiving portion 42, for example, the cover 38 is disposed on an outer side wall of the main body 37 in a region corresponding to the receiving portion 42. The battery 32 and the fan 18 are disposed offset along the length of the outer side wall of the body portion 37.

More specifically, an annular connecting wall 46 is formed by extending the outer periphery of the outer side wall of the main body 37 corresponding to the area of the receiving portion 42, the annular connecting wall 46 is disposed around the outer side wall of the main body 37 corresponding to the area of the receiving portion 42, and the cover body 38 is connected to the outer side of the annular connecting wall 46, for example, by a snap connection. The design can facilitate the disassembly and assembly of the cover body 38, facilitate the maintenance and replacement of the elements in the cover body 38, such as the battery 32 and the circuit board 34, and bring convenience to users.

In the illustrated embodiment, the width of the receiving portion 42 is larger than the width of the portion of the body portion 37 connected to the outlet duct 12, and the portion of the body portion 37 connected to the outlet duct 12 is connected to the upper side of the receiving portion 42. The first air outlet 20 is disposed at the upper side of the air outlet pipe 12, and the first air outlet 20 is a plurality of air outlets arranged along the length direction of the air outlet pipe 12 at even intervals.

The wind shield 56 is arranged in the accommodating cavity 15, the wind shield 56 extends along the length direction of the body part 37 to separate the accommodating cavity 15 to form an air outlet channel 17 between the fan 18 and the air duct 16, the air outlet channel 17 is gradually reduced from one end close to the fan 18 to the other end, so that the air blown out by the fan 18 is compressed and concentrated after entering the air outlet channel 17, the wind power is stronger after entering the air duct 16, and the wind power is larger after being blown out from the air outlet. The wind deflector 56 is connected to the inner side wall and the outer side wall of the housing 14 at two sides thereof, and the wind deflector 56 extends in the length direction and the thickness direction of the main body 37, that is, the plate surface of the wind deflector 56 extends in the thickness direction of the main body 37. In this embodiment, one side of the wind deflector 56 is integrally connected to the inner wall surface of the inner casing 14a, the other side of the wind deflector 56 is tightly abutted to the inner wall surface of the outer casing 14b, one end of the wind deflector 56, which is close to the fan 18, forms an arc-shaped portion which surrounds the rotation track of the fan 18 and extends from the bottom side of the fan 18 to the top side of the fan 18, so that most of the circumferential area of the fan 18 is surrounded, an air outlet portion is formed in an area of the fan 18 which is not surrounded by the wind deflector 56, and the air outlet.

In the illustrated embodiment, the air duct 16 and the air outlet channel 17 are located correspondingly, for example, the air duct 16 is disposed at an upper side in the air outlet pipe 12, and the air outlet channel 17 is located at an upper side in the accommodating cavity 15, so that the air duct 16 and the air outlet channel 17 are communicated with each other when the main body 37 is connected to the air outlet pipe 12. The upper side of the body 37 is provided with a second air outlet 48 corresponding to the air outlet channel 17, the second air outlet 48 is disposed near one side of the air outlet pipe 12 and is a plurality of air outlet holes uniformly arranged along the length direction of the casing 14 at intervals, and the second air outlet 48 and the first air outlet 20 are arranged along the same length direction. The air outlet part is communicated with the air outlet channel 17 and is opposite to the second air outlet 48, and air guide can be formed by the arrangement, so that air circulation is smoother, the air outlet speed is accelerated, the air outlet force is enhanced, and the air is more concentrated.

Moreover, the arrangement is such that when the user wears the portable fan 10, the first and

second outlets

20 and 48 can be supported by the lower side of the receiving portion 42 in front of the chest of the user so as to be closer to the neck of the human body. The cover 38 is designed to fit the shape of the receiving portion 42, so as to improve the overall aesthetic appearance of the portable fan 10. In other embodiments, the cover 38 and the receiving portion 42 may be designed in other shapes, or the cover 38 and the receiving portion 42 may be designed in different shapes, respectively, which is not limited by the present invention.

In the illustrated embodiment, fixing plates are provided on the side walls of the seating space 40 around the battery 32, and support ribs are provided between the fixing plates, and the battery 32 is received between the fixing plates and supported on the support ribs. In this embodiment, the battery 32 is square, and therefore, the fixing plates are arranged in a square shape, for example, the fixing plates are respectively arranged around four side walls of the battery 32 and enclose to form a square clamping space, and the supporting ribs are arranged at intervals along the width direction of the accommodating portion 42, so that a gap is formed between the fixed battery 32 and the outer side wall of the main body portion 37, and heat dissipation of the battery 32 is facilitated. In other embodiments, the fixing structure for fixing the battery 32 may be designed in other structures as long as the battery 32 can be fixed and the heat dissipation of the battery 32 is facilitated.

The main body 37 is provided with an air inlet 50 corresponding to the inner side wall and/or the outer side wall of the fan 18, when the fan 18 operates, external air enters the main body 37 from the air inlet 50, and a protective cover 54 is further provided at each air inlet 50. In the illustrated embodiment, the main body 37 has air inlets 50 on both the inner side wall and the outer side wall corresponding to the fan 18, and the air inlets 50 are designed as annular grid structures. The protective cover 54 inside the main body 37 is connected, for example, snapped on, to the grid structure of the air inlet 50 on the inner side wall of the main body 37 to cover the air inlet 50 and form a gap with the air inlet 50, so that the external air can enter the main body 37 through the air inlet 50 from the gap.

The outer side wall of the cover body 38 is recessed toward the installation space 40 corresponding to the air inlet 50 on the outer side wall of the body portion 37 to form an air inlet portion 52, the circuit board 34 is disposed on a side of the battery 32 away from the air inlet portion 52, the protection cover 54 is covered in the recess of the cover body 38 to shield the air inlet portion 52 and form a gap with the recess, the outer surface of the protection cover 54 and the outer surface of the cover body 38 can be flush or slightly protruded from the outer surface of the cover body 38, and the product appearance is improved. The air inlet portion 52 is also designed to be fitted into the grill structure of the air inlet 50 on the outer side wall of the storage portion 42, and the grill holes are respectively opposed so that the external air can sequentially pass through the air inlet portion 52, the accommodating space 40 and the air inlet 50 from the gap into the body portion 37.

The protective cover 54 may be made of a different metal material than the main body 37, and the arrangement of the metal protective cover 54 can prevent impurities, such as hairs, from falling into the fan 18 to affect the usability of the fan 18, and also make the appearance of the product more beautiful.

The fan 18 is mounted in the housing 42, and the fan 18 is, for example, a turbo fan. Specifically, the central positions of the air inlets 50 on the inner casing 14a and the outer casing 14b are respectively provided with a shaft rod facing the inside of the receiving portion 42, the two shaft rods can be connected in a sleeved mode, and the elbow of the fan 18 is installed on the shaft rod positioned on the outer side.

It should be noted that, in the above-mentioned embodiment, the cover body 38 is disposed at the outer side position of the end outer side wall of the main body 37, and in other embodiments, the cover body 38 may be disposed at the outer side of the end inner side wall of the main body 37; in the above embodiment, the cover 38 is assembled to the outside of the main body 37, and in other embodiments, the cover 38 may be integrally connected to the outside of the main body 37.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The utility model provides a portable fan, can be used to dress at human neck, its characterized in that, including going out the tuber pipe and connecting go out the casing at tuber pipe both ends, it is equipped with the wind channel to go out the tuber pipe, be equipped with in the casing with the chamber of acceping of wind channel intercommunication, it is equipped with the fan to accept the intracavity, it is flexible material and corresponds to go out the tuber pipe the wind channel is equipped with first air outlet, the wind channel that the fan produced the wind channel is followed first air outlet blows out.

2. The portable fan of claim 1, wherein the outlet duct has a bending shape-retaining member therein, so that the outlet duct can be shaped in the bent shape after being bent.

3. The portable fan of claim 2, wherein the bending shape-fixing member is a shape-fixing steel wire, and the shape-fixing steel wire is fixed in the outlet duct by injection molding.

4. The portable fan as claimed in claim 2, wherein a fixing portion is provided in the outlet duct, the fixing portion is provided with a through hole, and the bending fixing member is inserted into the through hole.

5. The portable fan according to any one of claims 1 to 4, wherein the housing is detachably connected to the outlet duct, one of the housing and the outlet duct is provided with a hook, and the other of the housing and the outlet duct is provided with a slot, and the hook is engaged with the slot.

6. The portable fan of any one of claims 1 to 4, wherein the air outlet pipe is made of silica gel or soft gel.

7. The portable fan according to any one of claims 1 to 4, wherein the portable fan comprises a battery, a circuit board and a switch button, the battery and the switch button are disposed on the housing, the fan, the battery and the switch button are respectively electrically connected to the circuit board, and the switch button is configured to control on/off of the fan.

8. The portable fan as claimed in claim 7, wherein the housing is detachably connected to the outlet duct, and the two housings are respectively provided with the battery, the circuit board and the switch button, so that the two fans can operate independently.

9. The portable fan of claim 7, wherein the housing includes a main body and a cover connected to an outer side of the main body, a mounting space is formed between the cover and the main body, the battery and the circuit board are mounted in the mounting space, the switch button is disposed on the cover, the receiving cavity is formed in the main body, an air inlet is disposed on an inner side wall and/or an outer side wall of the main body corresponding to the fan, external air enters the main body from the air inlet when the fan operates, a protective cover is disposed at the air inlet, an air inlet portion is disposed on the cover corresponding to the air inlet on the outer side wall of the main body, and the protective cover is disposed outside the air inlet portion and forms a gap with the air inlet portion.

10. The portable fan according to any one of claims 1 to 4, wherein the fan is located in the receiving cavity at an end away from the air outlet pipe, a wind shield is disposed in the receiving cavity, the wind shield extends along a length direction of the housing and partitions the receiving cavity to form an air outlet channel between the fan and the air duct, the air outlet channel gradually decreases from an end close to the fan to another end, a second air outlet is disposed on the housing corresponding to the air outlet channel, and an arc portion extending around a rotation track of the fan is formed at an end of the wind shield close to the fan.