CN217401195U

CN217401195U - Portable fan with multiple fans

Info

Publication number: CN217401195U
Application number: CN202220565203.5U
Authority: CN
Inventors: 许加华; 刘凯
Original assignee: Shenzhen Ruiwu Digital Technology Co ltd
Current assignee: Shenzhen Ruiwu Digital Technology Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-09-09
Anticipated expiration: 2032-03-15

Abstract

A multi-fan portable fan comprises a shell, wherein the shell comprises a top plate, a bottom plate and a side vertical plate, the top plate and the bottom plate are oppositely arranged, the side vertical plate extends to one side along the peripheral edge of the top plate and is connected with the bottom plate; at least one of the top plate and the bottom plate is provided with an air inlet, and the side vertical plate is provided with an air outlet; the casing is internally provided with a first fan component, a battery and a second fan component which are sequentially arranged along the length direction of the casing. The utility model provides a portable fan of many fans' thickness is thinner, conveniently carries, and the air-out scope is wide.

Description

Portable fan with multiple fans

Technical Field

The utility model relates to a fan technical field especially relates to a portable fan of many fans.

Background

In recent years, various portable fans which are held or worn by hands have emerged in the market, and the portable fans have the advantages of convenience in carrying and unlimited use places.

The battery is one of the indispensable components of the portable fan, and generally, the battery size also determines the cruising ability of the portable fan, and the battery occupies a large space and weight in the portable fan. The portable fan that current generally sets up components such as battery and circuit board in the one end of casing, and the fan subassembly then sets up at the other end, designs like this and to the portable fan that has a plurality of fans, can make the whole thickness of casing increase, and the occupation space is big, and the portability reduces. Therefore, there is a need to develop portable fans that are more portable to meet market demands.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable fan of many fans, its thickness is thinner, conveniently carries, and the air-out scope is wide.

The utility model provides a portable fan with multiple fans, which comprises a shell, wherein the shell comprises a top plate, a bottom plate and a side vertical plate, the top plate and the bottom plate are oppositely arranged, and the side vertical plate extends to one side along the peripheral edge of the top plate and is connected with the bottom plate; at least one of the top plate and the bottom plate is provided with an air inlet, and the side vertical plate is provided with an air outlet; the casing is internally provided with a first fan assembly, a battery and a second fan assembly which are arranged side by side, and the first fan assembly and the second fan assembly are respectively arranged on two sides of the battery.

Furtherly, be equipped with first installation axle and second installation axle in the casing, first installation axle with the direction of arranging of second installation axle with the length extending direction of casing is the same, first fan subassembly sets up first installation epaxial, second fan subassembly sets up second installation epaxial.

Further, the roof is equipped with first air intake, and first air intake is including corresponding first air inlet mesh of first fan subassembly and corresponding the second air inlet mesh of second fan subassembly.

Further, the bottom plate is provided with a second air inlet, and the second air inlet comprises a third air inlet mesh corresponding to the position of the first fan assembly and a fourth air inlet mesh corresponding to the position of the second fan assembly.

Further, the first fan assembly comprises a first fan blade, the second fan assembly comprises a second fan blade, and the rotation direction of the first fan blade is opposite to that of the second fan blade.

Furthermore, the shell is also provided with an air deflector and a partition plate; the air deflector comprises a first volute part and a second volute part, the separation plate is arranged between the first volute part and the second volute part, a first air outlet channel communicated with the air outlet is formed between the first volute part and the separation plate, and a second air outlet channel communicated with the air outlet is formed between the second volute part and the separation plate.

Further, the air deflector further comprises a connecting part arranged between the first volute part and the second volute part, and the partition plate is arranged on the connecting part.

Further, the first volute part comprises a first curve section and a first straight line section which are connected, the second volute part comprises a second curve section and a second straight line section which are connected, and the connecting part is arranged between the first curve section and the second curve section.

Furthermore, an accommodating cavity is formed between the air deflector and the side vertical plate, and the battery is arranged in the accommodating cavity corresponding to the connecting part.

Further, the battery is in the shape of a cylinder or a flat block.

The utility model has the advantages that: the portable fan of many fans arranges the great first fan subassembly of occupation space, battery and second fan subassembly along the length direction of casing in proper order and sets up, makes being of the platykurtic of the portable fan of many fans, and the air outlet is located the side of the portable fan of many fans, and whole thickness is thinner, conveniently carries, and is equipped with two fans from the same side air-out side by side, and the air-out scope is wide.

In order to make the advantages of the present invention clearer, the following will further describe embodiments of the present invention with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of a portable fan with multiple fans according to a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of another view angle of the portable multi-fan according to the first embodiment of the present invention.

Fig. 3 is a schematic view of a folding structure of a multi-fan portable fan according to a first embodiment of the present invention.

Fig. 4 is a schematic view of a folding structure of the portable multi-fan according to another view angle of the present invention.

Fig. 5 is a schematic structural diagram of the multi-fan portable fan according to the first embodiment of the present invention, in which the bottom plate of the casing is removed.

Fig. 6 is a side view of fig. 5.

Fig. 7 is an air outlet schematic view of the multi-fan portable fan according to the first embodiment of the present invention.

Fig. 8 is a schematic structural view of a multi-fan portable fan according to a second embodiment of the present invention, with a bottom plate of a housing removed.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purpose, the following detailed description of the specific embodiments, structures, features and effects of the portable fan according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

The foregoing and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings. While the present invention has been described in connection with the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

[ first embodiment ]

Referring to fig. 1 to 6 together, the portable multi-blower fan according to the first embodiment of the present invention includes a housing 1, the housing 1 includes a top plate 11 and a bottom plate 12, which are oppositely disposed, and a side vertical plate 13 extending to one side along the peripheral edge of the top plate 11 and connected to the bottom plate 12; at least one of the top plate 11 and the bottom plate 12 is provided with an air inlet, and the side vertical plate 13 is provided with an air outlet 131; the interior of the shell 1 is provided with a first fan component 2, a battery 3 and a second fan component 4 which are sequentially arranged along the length direction of the shell 1.

The utility model discloses a portable fan of many fans arranges the great first fan subassembly 2 of occupation space, battery 3 and second fan subassembly 4 along the length direction of casing 1 in proper order and sets up, makes being of the platykurtic of the portable fan of many fans, and the air outlet is located the side of the portable fan of many fans, and whole thickness (from the distance between roof 11 and the bottom plate 12 promptly) is thinner, conveniently carries, and is equipped with double fan (first fan subassembly 2 and two fan subassemblies 4) from same side air-out side by side, and the air-out scope is wide.

Specifically, the bottom plate 12 is provided with a first installation shaft 121 and a second installation shaft 122, the arrangement direction of the first installation shaft 121 and the second installation shaft 122 is the same as the length extension direction of the housing 1, the axial direction of the first installation shaft 121 and the axial direction of the second installation shaft 122 are perpendicular to the bottom plate 12, the first fan assembly 2 is arranged on the first installation shaft 121, and the second fan assembly 4 is arranged on the second installation shaft 122. It should be understood that the first and

second mounting shafts

121 and 122 may be disposed on the top plate 11 as needed by the design, as long as the mounting of the first and

second fan assemblies

2 and 4 is achieved.

The top plate 11 is provided with a first intake vent 110, and/or the bottom plate 12 is provided with a second intake vent 120. Specifically, in this embodiment, the top plate 11 is provided with the first air inlet 110, the bottom plate 12 is provided with the second air inlet 120, and the double air inlets further improve the air outlet effect of the multi-fan portable fan. In other embodiments, the first intake vent 110 may be disposed only on the top plate 11 or the second intake vent 120 may be disposed only on the bottom plate 12.

Further, when the top plate 11 is provided with the first air inlet 110, the first air inlet 110 includes a first air inlet mesh 110a corresponding to the position of the first fan assembly 2 and a second air inlet mesh 110b corresponding to the position of the second fan assembly 4; when the bottom plate 12 is provided with the second air inlet 120, the second air inlet 120 includes a third air inlet mesh 120a corresponding to the position of the first fan assembly 2 and a fourth air inlet mesh 120b corresponding to the position of the second fan assembly 4. The air inlet is designed into meshes, so that the twisting and the suction of garbage can be prevented.

Furthermore, the shell 1 is also provided with an air deflector 5 and a partition plate 6; the air deflector 5 comprises a first volute part 51, a connecting part 52 and a second volute part 53 which are connected in sequence, and the first volute part 51 and the second volute part 53 are symmetrically arranged.

The first volute 51 includes a first curved segment 511 and a first straight segment 512, the first curved segment 511 is connected between the connecting portion 52 and the first straight segment 512, the second volute 53 includes a second curved segment 531 and a second straight segment 532, and the second curved segment 531 is connected between the connecting portion 52 and the second straight segment 532. The first curve segment 511 and the second curve segment 531 are, for example, spiral-shaped.

The partition plate 6 is arranged on the connecting part 52, a first air outlet channel 51a communicated with the air outlet 131 is formed between the first straight line section 512 and the partition plate 6, and a second air outlet channel 53a communicated with the air outlet 131 is formed between the second straight line section 532 and the partition plate 6; the first fan assembly 2 is disposed within the first curved segment 511 and the second fan assembly 4 is disposed within the second curved segment 531. The partition plate 6, the first straight line section 512 and the second straight line section 532 are parallel to each other.

In this embodiment, the separating portion 6 is disposed at a middle position of the connecting portion 52, the connecting portion 52 forms the volute tongue portions of the first air outlet duct 51a and the second air outlet duct 53a, for example, the portion of the connecting portion 52 between the first curved section 511 and the separating portion 6 forms the volute tongue portion of the first air outlet duct 51a, and the portion of the connecting portion 52 between the second curved section 531 and the separating portion 6 forms the volute tongue portion of the second air outlet duct 53a, so that the airflows generated when the first fan assembly 2 and the second fan assembly 4 operate are respectively guided to the air outlet 131 through the corresponding volute tongue portions.

The first fan assembly 2 includes a first motor (not labeled) and a first fan blade 21 disposed on the first motor, and the second fan assembly 4 includes a second motor (not labeled) and a second fan blade 41 disposed on the second motor, wherein a rotation direction of the first fan blade 21 is opposite to a rotation direction of the second fan blade 41.

In this embodiment, as shown in fig. 7, the rotation direction of the first blade 21 is from the first curved section 511 to the first straight section 512 (i.e. clockwise direction indicated by the right dashed curved arrow in the figure), and the rotation direction of the second blade 41 is from the second curved section 531 to the second straight section 532 (i.e. counterclockwise direction indicated by the left dashed curved arrow in the figure). By matching the structure of the air deflector 5 with the rotation directions of the first fan blade 21 and the second fan blade 41, the air outlet range (the direction of the solid line straight arrow in the figure) of the multi-fan portable fan occupies the whole area between the first straight line segment 512 and the second straight line segment 522, and the air outlet range is wider.

As shown in fig. 5 and 6, an accommodating cavity 1a is formed between the air deflector 5 and the side vertical plate 13, and the battery 3 is disposed in the accommodating cavity 1a at a position corresponding to the connecting portion 52; the housing 1 is further provided with a circuit board 7, in this embodiment, the circuit board 7 is disposed in the accommodating cavity 1a at a position corresponding to the second curved section 531, and in other embodiments, the circuit board 7 may also be disposed in the accommodating cavity 1a at a position corresponding to the first curved section 511. The circuit board 7 is electrically connected to the battery 3, the first fan assembly 2, and the second fan assembly 4, respectively.

In this embodiment, the battery 3 is cylindrical in shape. The battery 3 is, for example, a rechargeable battery, and preferably, the battery 3 is a 18650 lithium battery.

As shown in fig. 3 and 4, the housing 1 is further provided with a switch key mounting opening 111 and a power interface 112, and the switch key mounting opening 111 and the power interface 112 are both disposed corresponding to the position of the circuit board 7. The switch key 8 is arranged on the switch key mounting opening 111 and is connected with the circuit board 7 in a linkage mode, and the power supply interface 112 corresponds to a power supply connecting end on the circuit board 7.

[ second embodiment ]

As shown in fig. 8, the multi-fan portable fan of the second embodiment is substantially the same as the first embodiment, except that the shape of the battery 3 is a flat block, and the battery 3 of the flat block of the present embodiment is thinner than the cylindrical battery 3 of the first embodiment, so that the overall thickness of the multi-fan portable fan can be further reduced. Preferably, the battery 3 of the present embodiment may be a lithium polymer battery.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any person skilled in the art can make various changes or modifications to the equivalent embodiments without departing from the scope of the present invention, but all the simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.

Claims

1. A multi-fan portable fan is characterized by comprising a shell (1), wherein the shell (1) comprises a top plate (11) and a bottom plate (12) which are oppositely arranged, and a side vertical plate (13) which extends to one side along the peripheral edge of the top plate (11) and is connected with the bottom plate (12); at least one of the top plate (11) and the bottom plate (12) is provided with an air inlet, and the side vertical plate (13) is provided with an air outlet (131); the fan is characterized in that a first fan assembly (2), a battery (3) and a second fan assembly (4) are arranged in the shell (1) in sequence along the length direction of the shell (1).

2. The multi-blower portable fan of claim 1, characterized in that a first mounting shaft (121) and a second mounting shaft (122) are provided in the housing (1), the first mounting shaft (121) and the second mounting shaft (122) are arranged in the same direction as the length extension direction of the housing (1), the first blower assembly (2) is disposed on the first mounting shaft (121), and the second blower assembly (4) is disposed on the second mounting shaft (122).

3. The multi-blower portable fan of claim 1, wherein the top plate (11) is provided with a first intake vent (110), the first intake vent (110) comprising a first intake vent hole (110a) corresponding to the first blower assembly (2) and a second intake vent hole (110b) corresponding to the second blower assembly (4).

4. The multi-blower portable fan of claim 3, wherein the base plate (12) is provided with a second intake vent (120), the second intake vent (120) comprising a third intake vent hole (120a) corresponding to the position of the first blower assembly (2) and a fourth intake vent hole (120b) corresponding to the position of the second blower assembly (4).

5. The multi-blower portable fan of claim 1, wherein the first blower assembly (2) includes a first fan blade (21) and the second blower assembly (4) includes a second fan blade (41), the first fan blade (21) rotating in a direction opposite the second fan blade (41).

6. A multi-blower portable fan according to claim 1, characterised in that the casing (1) is further provided with air deflectors (5) and partition plates (6); the air deflector (5) comprises a first volute part (51) and a second volute part (53), the partition plate (6) is arranged between the first volute part (51) and the second volute part (53), a first air outlet channel (51a) communicated with the air outlet (131) is formed between the first volute part (51) and the partition plate (6), and a second air outlet channel (53a) communicated with the air outlet (131) is formed between the second volute part (53) and the partition plate (6).

7. The multi-fan portable fan of claim 6 wherein the air deflector (5) further comprises a connecting portion (52) disposed between the first volute (51) and the second volute (53), the divider plate (6) being disposed on the connecting portion (52).

8. The portable fan of claim 7 wherein the first volute portion (51) includes a first curved segment (511) and a first straight segment (512) that are connected, the second volute portion (53) includes a second curved segment (531) and a second straight segment (532) that are connected, and the connection portion (52) is disposed between the first curved segment (511) and the second curved segment (531).

9. The portable fan of claim 7, characterized in that a receiving cavity (1a) is formed between the air deflector (5) and the side vertical plate (13), and the battery (3) is arranged in the receiving cavity (1a) at a position corresponding to the connecting part (52).

10. A multi-blower portable fan according to claim 9, characterised in that the battery (3) is in the shape of a cylinder or a flat square.