Portable fan and fan assembly
A portable fan includes a housing body, a fan assembly, a power supply assembly and a first clamping device. The housing body is provided with an accommodating chamber, an air inlet, and an air outlet; the air outlet, at least part of the accommodating chamber and the air inlet are communicated to each other in sequence along a first preset direction. The fan assembly is located within the accommodating chamber and between the air inlet and the air outlet, and is configured to drive an air flow to flow from the air inlet to the air outlet. The power supply assembly is located within the accommodating chamber, the power supply assembly is offset from a projection of the fan assembly along the first preset direction, and the power supply assembly is electrically connected to the fan assembly to supply power to the fan assembly.
1. A portable fan, comprising:
a housing body, wherein the housing body is provided with an accommodating chamber, an air inlet, and an air outlet; the air outlet, at least part of the accommodating chamber and the air inlet are communicated to each other in sequence along a first preset direction;
a fan assembly, wherein the fan assembly is located within the accommodating chamber and between the air inlet and the air outlet, and is configured to drive an air flow to flow from the air inlet to the air outlet;
a power supply assembly, wherein the power supply assembly is located within the accommodating chamber, the power supply assembly is offset from a projection of the fan assembly along the first preset direction, and the power supply assembly is electrically connected to the fan assembly to supply power to the fan assembly; and
a first clamping device, wherein the first clamping device is connected to one side of the housing body, and is configured to form a clamping space with the housing body for clamping an external object, so as to fix the portable fan onto the external object;
wherein the fan assembly comprises a motor, a fan blade and an output shaft; the fan blade is mounted on the output shaft, the fan assembly is an axial flow fan assembly, and the output shaft is arranged along the first preset direction;
the fan assembly further comprises a fan shell, the fan shell comprises a shell main body and an air outlet hood; the motor and the fan blade are arranged within the shell main body; the air outlet hood is arranged on one side of the shell main body and has a plurality of air outlet holes, and the air outlet hood is also located at the air outlet; the air outlet hood comprises a plurality of air gathering rings and an annular wall structure connected to a periphery of the plurality of air gathering rings; a plurality of air outlet holes are defined among the plurality of air gathering rings, and the air gathering rings are configured to cooperate with an inner side surface of the annular wall structure to pressurize wind from the shell main body and then blow it out of the fan shell; and
the inner side surface of the annular wall structure is an inclined surface or an arc-shaped surface, so that an inner diameter of the annular wall structure gradually decreases along the first preset direction.
2. The portable fan according to claim 1 , wherein the housing body has a first side, a second side, and a third side; the first side and the second side are arranged opposite to each other; the air outlet is arranged on the first side, and the air inlet is arranged on the second side; the third side is located between the first side and the second side and is adjacent to both the first side and the second side; the first clamping device extends along the first preset direction and is connected to the third side of the housing body, wherein the housing body further has a fourth side, a fifth side, and a sixth side; the fourth side and the third side are arranged opposite to each other, and the fifth side and the sixth side are arranged opposite to each other; a direction from the fifth side to the sixth side is a second preset direction, and the fan assembly and the power supply assembly are arranged in sequence along the second preset direction.
3. The portable fan according to claim 2 , further comprising a second clamping device, wherein the second clamping device is connected to the fourth side of the housing body, and the second clamping device is further configured to form a clamping space with the housing body for clamping an external object, so as to fix the portable fan onto the external object; the first clamping device is connected to one end of the third side of the housing body adjacent to the air outlet, the second clamping device is connected to one end of the fourth side of the housing body adjacent to the air inlet, and the second clamping device extends in a direction opposite to that of the first clamping device.
4. The portable fan according to claim 2 , wherein a direction from the third side to the fourth side is a third preset direction, and a maximum diameter of the housing body along the second preset direction is greater than a maximum diameter of the housing body along the third preset direction; a first hook is further arranged at one end of the fifth side of the housing body adjacent to the air outlet, and both ends of the first hook are connected to the fifth side of the housing body and form a first hook hole with the housing body; a second hook is further arranged at one end of the sixth side of the housing body adjacent to the air outlet, and both ends of the second hook are connected to the sixth side of the housing body and form a second hook hole with the housing body.
5. The portable fan according to claim 1 , wherein the fan assembly is provided with at least one first snap-fit member, at least one second snap-fit member is arranged on an inner side of the housing body, and the at least one first snap-fit member cooperates with the at least one second snap-fit member, so that the fan assembly is fixed within the accommodating chamber of the housing body; the number of the at least one first snap-fit member is multiple, the number of the at least one second snap-fit member is also multiple, and multiple first snap-fit members are respectively arranged on both sides of the fan assembly; the first snap-fit member is one of a protrusion and a groove, and the second snap-fit member is the other one of the protrusion and the groove; the protrusion comprises a latching hook portion.
6. The portable fan according to claim 1 , wherein the fan shell further comprises a grille arranged on another side of the shell main body; the grille comprises a plurality of air inlet holes.
7. The portable fan according to claim 6 , wherein the grille is a metal barrier net, the metal barrier net is provided with a plurality of air inlet holes, and an inner diameter of each air inlet hole ranges from 0.5 mm to 4 mm.
8. The portable fan according to claim 7 , wherein the air inlet hole is in a regular hexagon shape, a surrounding wall is arranged between two adjacent air inlet holes, and a width of the surrounding wall ranges from 0.05 mm to 2 mm.
9. A portable fan, comprising:
a housing body, wherein the housing body is provided with an accommodating chamber, an air inlet, and an air outlet; the air outlet, at least part of the accommodating chamber and the air inlet are communicated to each other in sequence along a first preset direction;
a fan assembly, wherein the fan assembly is located within the accommodating chamber and between the air inlet and the air outlet, and is configured to drive an air flow to flow from the air inlet to the air outlet;
a power supply assembly, wherein the power supply assembly is located within the accommodating chamber, the power supply assembly is offset from a projection of the fan assembly along the first preset direction, and the power supply assembly is electrically connected to the fan assembly to supply power to the fan assembly; and
a first clamping device, wherein the first clamping device is connected to one side of the housing body, and is configured to form a clamping space with the housing body for clamping an external object, so as to fix the portable fan onto the external object;
wherein the fan assembly comprises a motor, a fan blade and an output shaft; the fan blade is mounted on the output shaft, the fan assembly is an axial flow fan assembly, and the output shaft is arranged along the first preset direction;
the fan assembly further comprises a fan shell, the fan shell comprises a shell main body and an air outlet hood; the motor and the fan blade are arranged within the shell main body; the air outlet hood is arranged on one side of the shell main body and has a plurality of air outlet holes, and the air outlet hood is also located at the air outlet; the air outlet hood comprises a plurality of air gathering rings and an annular wall structure connected to a periphery of the plurality of air gathering rings; a plurality of air outlet holes are defined among the plurality of air gathering rings, and the air gathering rings are configured to cooperate with an inner side surface of the annular wall structure to pressurize wind from the shell main body and then blow it out of the fan shell; and
wherein the air outlet hood further comprises a mounting structure connected to the plurality of air gathering rings; the mounting structure comprises an annular mounting wall, a cover plate connected to the annular mounting wall and a first mounting post connected to an inner side of the cover plate, and the first mounting post is configured to be mounted corresponding to a mounting hole of the shell main body; the cover plate is positioned in the middle of the plurality of air outlet holes, an outer surface of the cover plate is provided with a groove, the mounting structure is further provided with a first alignment structure, the shell main body has a second alignment structure, and the first alignment structure and the second alignment structure cooperate to enable an aligned assembly of the shell main body and the air outlet hood.
10. A portable fan, comprising:
a housing body, wherein the housing body is provided with an accommodating chamber, an air inlet, and an air outlet; the air outlet, at least part of the accommodating chamber and the air inlet are communicated to each other in sequence along a first preset direction;
a fan assembly, wherein the fan assembly is located within the accommodating chamber and between the air inlet and the air outlet, and is configured to drive an air flow to flow from the air inlet to the air outlet;
a power supply assembly, wherein the power supply assembly is located within the accommodating chamber, the power supply assembly is offset from a projection of the fan assembly along the first preset direction, and the power supply assembly is electrically connected to the fan assembly to supply power to the fan assembly; and
a first clamping device, wherein the first clamping device is connected to one side of the housing body, and is configured to form a clamping space with the housing body for clamping an external object, so as to fix the portable fan onto the external object;
wherein the fan assembly comprises a motor, a fan blade and an output shaft; the fan blade is mounted on the output shaft, the fan assembly is an axial flow fan assembly, and the output shaft is arranged along the first preset direction;
the fan assembly further comprises a fan shell, the fan shell comprises a shell main body and an air outlet hood; the motor and the fan blade are arranged within the shell main body; the air outlet hood is arranged on one side of the shell main body and has a plurality of air outlet holes, and the air outlet hood is also located at the air outlet; the air outlet hood comprises a plurality of air gathering rings and an annular wall structure connected to a periphery of the plurality of air gathering rings; a plurality of air outlet holes are defined among the plurality of air gathering rings, and the air gathering rings are configured to cooperate with an inner side surface of the annular wall structure to pressurize wind from the shell main body and then blow it out of the fan shell; and
wherein the shell main body comprises a cylindrical arranged sidewall structure, a mounting part located at one end inside the sidewall structure and an air guide part connected between the mounting part and the sidewall structure, the air guide part comprises a plurality of air guide blades arranged at intervals and is configured to guide wind from the fan blade based on a preset direction, the fan blade and the motor are arranged within the sidewall structure on one side of the mounting part, and the motor is mounted on the mounting part; the mounting part is provided with an opening, a conducting wire connected to the motor passes through the opening and then extends from a gap between the shell main body and the air outlet hood to be connected with a control assembly.
11. The portable fan according to claim 10 , wherein the mounting part is provided with a blind hole arranged facing the motor, an opening of the blind hole faces a side where the motor is located, and the blind hole is configured to store lubricating oil required for a rotation of the output shaft; the mounting part comprises a mounting plate and a second mounting post connected to the mounting plate and extending towards the grille, and the blind hole is arranged on the second mounting post; the motor has a motor mounting hole, and the motor mounting hole is sleeved on the second mounting post, thereby the motor is mounted on the second mounting post; a fixing post with a through hole as well as a limiting ring is also arranged within the blind hole, the output shaft passes through the fixing post and the limiting ring, and a limiting part is located at one end of the limiting ring away from the fixing post; the output shaft comprises a main body connected to the fan blade and a limiting part connected to the main body; the limiting part comprises a rod part and a limiting end connected to one end of the rod part away from the fan blade; a diameter of the limiting end gradually decreases in a direction away from the blade; an outer surface of the rod part, together with the limiting end and the main body, encloses a limiting groove; the limiting ring has a limiting hole, a diameter of the limiting hole is greater than that of the rod part and less than that of the main body and that of the limiting end, so that the limiting ring is limited within the limiting groove.
12. A portable fan, comprising:
a housing body, wherein the housing body is provided with an accommodating chamber, an air inlet, and an air outlet; the air outlet, at least part of the accommodating chamber and the air inlet are communicated to each other in sequence along a first preset direction;
a fan assembly, wherein the fan assembly is located within the accommodating chamber and between the air inlet and the air outlet, and is configured to drive an air flow to flow from the air inlet to the air outlet;
a power supply assembly, wherein the power supply assembly is located within the accommodating chamber, the power supply assembly is offset from a projection of the fan assembly along the first preset direction, and the power supply assembly is electrically connected to the fan assembly to supply power to the fan assembly; and
a first clamping device, wherein the first clamping device is connected to one side of the housing body, and is configured to form a clamping space with the housing body for clamping an external object, so as to fix the portable fan onto the external object;
wherein the fan assembly comprises a motor, a fan blade and an output shaft; the fan blade is mounted on the output shaft, the fan assembly is an axial flow fan assembly, and the output shaft is arranged along the first preset direction;
the fan assembly further comprises a fan shell, the fan shell comprises a shell main body and an air outlet hood; the motor and the fan blade are arranged within the shell main body; the air outlet hood is arranged on one side of the shell main body and has a plurality of air outlet holes, and the air outlet hood is also located at the air outlet; the air outlet hood comprises a plurality of air gathering rings and an annular wall structure connected to a periphery of the plurality of air gathering rings; a plurality of air outlet holes are defined among the plurality of air gathering rings, and the air gathering rings are configured to cooperate with an inner side surface of the annular wall structure to pressurize wind from the shell main body and then blow it out of the fan shell; and
wherein the fan shell further comprises an air inlet cover, the grille is mounted on an inner side of the air inlet cover, the air inlet cover is arranged on one end of the shell main body away from the air outlet hood, the air inlet cover is in an annular shape, and the air inlet cover is sleeved on one end of the shell main body; an outer side surface of one end of the shell main body can be provided with a stepped groove, the air inlet cover is sleeved on the stepped groove, and an outer side surface of the air inlet cover is flush with the outer side surface of the shell main body.
13. A portable fan, comprising:
a housing body, wherein the housing body is provided with an accommodating chamber, an air inlet, and an air outlet; the air outlet, at least part of the accommodating chamber and the air inlet are communicated to each other in sequence along a first preset direction;
a fan assembly, wherein the fan assembly is located within the accommodating chamber and between the air inlet and the air outlet, and is configured to drive an air flow to flow from the air inlet to the air outlet;
a power supply assembly, wherein the power supply assembly is located within the accommodating chamber, the power supply assembly is offset from a projection of the fan assembly along the first preset direction, and the power supply assembly is electrically connected to the fan assembly to supply power to the fan assembly; and
a first clamping device, wherein the first clamping device is connected to one side of the housing body, and is configured to form a clamping space with the housing body for clamping an external object, so as to fix the portable fan onto the external object;
wherein the housing body has a first side, a second side, and a third side; the first side and the second side are arranged opposite to each other; the air outlet is arranged on the first side, and the air inlet is arranged on the second side; the third side is located between the first side and the second side and is adjacent to both the first side and the second side;
wherein the housing body further has a fourth side, a fifth side, and a sixth side; the fourth side and the third side are arranged opposite to each other, and the fifth side and the sixth side are arranged opposite to each other; a direction from the fifth side to the sixth side is a second preset direction, and the fan assembly and the power supply assembly are arranged in sequence along the second preset direction; and
wherein the housing body comprises a first portion and a second portion, the first portion and the second portion are arranged in sequence along the second preset direction; a plurality of first clamping members are arranged at an edge of the first portion, and a plurality of second clamping members are arranged at an edge of the second portion; the plurality of first clamping members and the plurality of second clamping members are snap-fitted together to connect the first portion and the second portion into a single entity.
14. A portable fan, comprising:
a housing body, wherein the housing body is provided with an accommodating chamber, an air inlet, and an air outlet; the air outlet, at least part of the accommodating chamber and the air inlet are communicated to each other in sequence along a first preset direction;
a fan assembly, wherein the fan assembly is located within the accommodating chamber and between the air inlet and the air outlet, and is configured to drive an air flow to flow from the air inlet to the air outlet;
a power supply assembly, wherein the power supply assembly is located within the accommodating chamber, the power supply assembly is offset from a projection of the fan assembly along the first preset direction, and the power supply assembly is electrically connected to the fan assembly to supply power to the fan assembly; and
a first clamping device, wherein the first clamping device is connected to one side of the housing body, and is configured to form a clamping space with the housing body for clamping an external object, so as to fix the portable fan onto the external object;
wherein the housing body has a first side, a second side, and a third side; the first side and the second side are arranged opposite to each other; the air outlet is arranged on the first side, and the air inlet is arranged on the second side; the third side is located between the first side and the second side and is adjacent to both the first side and the second side;
wherein the housing body further has a fourth side, a fifth side, and a sixth side; the fourth side and the third side are arranged opposite to each other, and the fifth side and the sixth side are arranged opposite to each other; a direction from the fifth side to the sixth side is a second preset direction, and the fan assembly and the power supply assembly are arranged in sequence along the second preset direction; and
wherein the housing body comprises a first portion, a second portion, and a mounting shell; the first portion, the mounting shell, and the second portion are arranged in sequence along the second preset direction; a plurality of first clamping members are arranged at an edge of the first portion, and a plurality of second clamping members are arranged at an edge of the second portion; the mounting shell is provided with a plurality of third clamping members that are snap-fitted with the plurality of first clamping members, and a plurality of fourth clamping members that are snap-fitted with the plurality of second clamping members, so that the mounting shell, the first portion and the second portion are connected into a single entity.
15. A portable fan, comprising:
a housing body, wherein the housing body is provided with an accommodating chamber, an air inlet, and an air outlet; the air outlet, at least part of the accommodating chamber and the air inlet are communicated to each other in sequence along a first preset direction;
a fan assembly, wherein the fan assembly is located within the accommodating chamber and between the air inlet and the air outlet, and is configured to drive an air flow to flow from the air inlet to the air outlet;
a power supply assembly, wherein the power supply assembly is located within the accommodating chamber, the power supply assembly is offset from a projection of the fan assembly along the first preset direction, and the power supply assembly is electrically connected to the fan assembly to supply power to the fan assembly; and
a first clamping device, wherein the first clamping device is connected to one side of the housing body, and is configured to form a clamping space with the housing body for clamping an external object, so as to fix the portable fan onto the external object;
wherein the housing body has a first side, a second side, and a third side; the first side and the second side are arranged opposite to each other; the air outlet is arranged on the first side, and the air inlet is arranged on the second side; the third side is located between the first side and the second side and is adjacent to both the first side and the second side;
wherein the housing body further has a fourth side, a fifth side, and a sixth side; the fourth side and the third side are arranged opposite to each other, and the fifth side and the sixth side are arranged opposite to each other; a direction from the fifth side to the sixth side is a second preset direction, and the fan assembly and the power supply assembly are arranged in sequence along the second preset direction; and
wherein an inner side of the housing body is provided with a plurality of air guide plates corresponding to the air inlet, and the plurality of air guide plates are located between the air inlet and the fan assembly; each air guide plate extends along the first preset direction, and the plurality of air guide plates are arranged in sequence along a direction from the third side to the fourth side.
16. A portable fan, comprising:
a housing body, wherein the housing body is provided with an accommodating chamber, an air inlet, and an air outlet; the air outlet, at least part of the accommodating chamber and the air inlet are communicated to each other in sequence along a first preset direction;
a fan assembly, wherein the fan assembly is located within the accommodating chamber and between the air inlet and the air outlet, and is configured to drive an air flow to flow from the air inlet to the air outlet;
a power supply assembly, wherein the power supply assembly is located within the accommodating chamber, the power supply assembly is offset from a projection of the fan assembly along the first preset direction, and the power supply assembly is electrically connected to the fan assembly to supply power to the fan assembly; and
a first clamping device, wherein the first clamping device is connected to one side of the housing body, and is configured to form a clamping space with the housing body for clamping an external object, so as to fix the portable fan onto the external object;
wherein the housing body comprises a housing and a mounting shell located within the housing; the mounting shell comprises a partition plate, and the fan assembly and the power supply assembly are respectively positioned on two sides of the partition plate; the first clamping device is connected to the mounting shell and is integrally formed with the mounting shell; the housing is provided with a clamping slot, and a part of the first clamping device connecting to the mounting shell is fixed within the clamping slot.
17. The portable fan according to claim 16 , wherein the power supply assembly comprises a battery; the mounting shell further comprises at least one limiting and fixing member connected to the partition plate and extending towards the battery, and the at least one limiting and fixing member is arranged around a periphery of the battery to fix the battery; the portable fan further comprises a control assembly, the control assembly is located within the accommodating chamber, and the control assembly comprises a control button and a circuit board electrically connected to the control button and the battery; the third side of the housing body is provided with a button hole, and the control button is arranged corresponding to the button hole.
18. A fan assembly, comprising:
a fan shell;
a motor; and
a fan blade connected to the motor,
wherein the fan blade is arranged within the fan shell; the fan shell comprises a shell main body, an air outlet hood, and a grille; the air outlet hood is arranged on one side of the shell main body and has a plurality of air outlet holes, the grille is arranged on the other side of the shell main body, and the grille comprises a plurality of air inlet holes for reducing wind resistance and increasing air intake volume; the air outlet hood comprises a plurality of air gathering rings and an annular wall structure connected to a periphery of the plurality of air gathering rings; a plurality of air outlet holes are defined among the plurality of air gathering rings, and the air gathering rings are configured to cooperate with an inner side surface of the annular wall structure to pressurize wind from the shell main body and then blow it out of the fan shell; and
the inner side surface of the annular wall structure is an inclined surface or an arc-shaped surface, so that an inner diameter of the annular wall structure gradually decreases along a first preset direction,
wherein the shell main body comprises a cylindrical arranged sidewall structure, a mounting part located at one end inside the sidewall structure and an air guide part connected between the mounting part and the sidewall structure, the air guide part comprises a plurality of air guide blades arranged at intervals and is configured to guide wind from the fan blade based on the first preset direction, the fan blade and the motor are arranged within the sidewall structure on one side of the mounting part, and the motor is mounted on the mounting part; the mounting part is provided with an opening, a conducting wire connected to the motor passes through the opening and then extends from a gap between the shell main body and the air outlet hood to be connected with a control assembly.
19. The fan assembly according to claim 18 , wherein the grille is provided with a plurality of air inlet holes, and an inner diameter of each air inlet hole ranges from 0.5 mm to 4 mm.