Foldable handheld fan

Abstract

A foldable handheld fan comprising a fan body (10) and a fan head (20) connected to the fan body (10), further comprising a connecting assembly (30) installed on the fan body (10), and wherein the connecting assembly (30) is provided with a storage space (31) located above the fan body (10); and wherein the fan head (20) is rotatably connected to the connecting assembly (30), and wherein the fan head (20) has a stowed state and an operating state, and wherein, in the stowed state, at least a part of the fan head (20) is accommodated in the storage space (31); and further wherein, in the stowed state, the fan head (20) can rotate relative to the connecting assembly (30) to enter the operating state; and wherein, in the operating state, the fan head (20) can blow the air out.

Description

TECHNICAL FIELDThe present invention relates to the technical field of a ventilator, in particular a foldable hand-held ventilator.PRIOR ARTThe fan is used in summer to generate cooling wind, and as the temperature rises, the fan is used more and more. With the development of science and technology, a small hand ventilator that is portable and popular among people has been developed.However, there are some problems with existing hand-held fans that have a large volume, take up a larger space, are inconvenient to store, have higher manufacturing costs, have high assembly difficulties, and have a single way of attachment.CONTENT OF THE PRESENT INVENTIONIn view of the above-described problems in the related art, with the existing hand-held fans having a large volume, occupying a larger space, being inconvenient to store, and having higher manufacturing costs, high assembly difficulties, and a single manner of attachment, the present invention uses the following technical solution: a foldable hand-held fan comprising a fan body, a fan head connected to the fan body, and a connection assembly installed on the fan body, wherein the connection assembly is provided with a storage space located above the fan body; and wherein the fan head is rotatably connected to the connection assembly, and wherein the fan head comprises a stored state and an operating state, and wherein in the stored state, at least a part of the fan head is stored in the storage space; and wherein the fan head is further rotatable relative to the linkage assembly in the stowed condition to transition to the operational condition; and wherein in the operational condition the fan head is capable of blowing the air outward.Preferably, the fan head is provided with an air inlet and an air outlet communicating with the air inlet; wherein in the stowed condition the air inlet, the air outlet and the fan body are on the same axis, and wherein the air inlet faces the fan body, and wherein the air outlet faces away from the fan body.Preferably, the fan head comprises at least a first housing and a second housing connected to the first housing, wherein the air inlet is located on the first housing and the air outlet is located on the second housing.Preferably, the second housing comprises a second outer shell and a second inner shell, wherein the second outer shell is formed hollow, and wherein the second inner shell is located in the second outer shell, and wherein the second inner shell and the second outer shell are connected by a plurality of separating elements, and wherein the second inner shell, the second outer shell and two adjacent separating elements form an air outlet.Preferably, the fan head further comprises a third housing installed between the first housing and the second housing; wherein the third housing comprises a third outer shell and a third inner shell, and wherein the third outer shell is hollow, and wherein the third inner shell is located in the third outer shell, and wherein the third inner shell and the third outer shell are connected by a plurality of separators, and wherein the third inner shell, the third outer shell, and two adjacent separators form an air outlet; and wherein the air outlet on the second housing and the air outlet on the third housing are arranged opposite to each other.Preferably, the fan head further comprises a fan blade assembly provided with a blade mounting pillar; wherein the surface of the second inner shell extends toward the third inner shell to form a second mounting member, and wherein the third inner shell is provided with a third mounting hole, and wherein the second mounting member is passed through the third mounting hole, and wherein the blade mounting pillar is connected to the second mounting member passing through the third mounting hole.Preferably, the second inner shell is provided with a second positioning assembly, wherein the third inner shell is provided with a third positioning assembly, and wherein the second positioning assembly is inserted into the third positioning assembly to limit axial rotation of the second inner shell relative to the third inner shell.Preferably, the second positioning assembly includes two second positioning members symmetrically disposed on two sides of the second fixing member; wherein the second positioning member is formed in a U-shape, and wherein the opening of the second positioning member faces the second fixing member; and wherein the second positioning member includes a second bottom plate connected to the inner wall of the second inner shell and two second side plates installed at two ends of the second bottom plate, and wherein the two second side plates and the second bottom plate form the U-shaped second fixing members.Preferably, the third positioning assembly includes two third positioning members symmetrically disposed on two sides of the third mounting hole; wherein the third positioning member is formed in a U-shape, and wherein the opening of the third positioning member faces the third inner shell; and wherein the third positioning member includes a third bottom plate and two third side plates, and wherein one side of the two third side plates is connected to the third bottom plate and the other side is connected to the third inner shell.Preferably, the second side plate is connected to the second inner shell by a second positioning block, and the third inner shell is provided with an escape notch used to mount the second positioning block.Preferably, a side of the third outer shell facing the first housing is provided with a plurality of serrations, wherein the first housing is provided with a first through hole into which the serrations fit, and wherein the serrations snap into the first through hole.Preferably, a separation net is disposed on the first housing, which is located at the air inlet; a first protrusion is disposed on the inner wall of the first housing, and the separation net is installed between the first protrusion and the third housing.Preferably, the foldable hand ventilator further comprises a support member rotatably connected to an end of the ventilator body and disposed away from the ventilator head; and wherein the support member comprises an operative state and a stowed state, and wherein in the operative state the support member cooperates with the ventilator body to support the foldable hand-held ventilator; and wherein in the stowed state the support member closely abuts the surface of the ventilator body.Preferably, the fan body is provided with a receiving slot for receiving the support member; wherein, in the stowed condition, the support member is stowed in the receiving slot and closely abuts the fan body.Preferably, the support member is provided with a support hole and an abutting part, wherein the inner wall of the support hole is rotatably connected to the fan body to rotate the support member about the fan body; and wherein the abutting part is used to abut on the fan body.Preferably, the fan body is provided with an inclined section which is arranged on an underside of the fan body facing away from the fan head, and wherein the inclined section faces away from the receiving slot.Preferably, the connection assembly comprises two connection arms installed on the fan body, wherein the two connection arms are arranged opposite each other, and wherein the two connection arms form the storage space with the fan body.Preferably, one of the link arm and the fan head is provided with a link member and the other is provided with a link hole, the link member being guided into the link hole to rotatably connect the link arm and the fan head to each other.Preferably, a surface of the fan body opposite the fan head forms an inner groove located below the storage space and in communication with the storage space; the inner groove serving to allow at least a part of the fan head to pass therethrough.Preferably, a control assembly and a power supply assembly that supplies power to the fan head and the control assembly are further included, wherein the control assembly comprises a control knob, a lighting assembly, a display assembly, and a circuit board, and wherein the circuit board is electrically connected to the control knob, the lighting assembly, the display assembly, and the power supply assembly, respectively; and wherein the fan body is provided with a cavity inside, and wherein the circuit board and the power supply assembly are installed in the cavity, and wherein the control knob, the lighting assembly, and the display assembly are mounted to the fan body.The present invention has advantages of: a foldable hand-held fan comprising a fan body and a fan head connected to the fan body, further comprising a connection assembly installed on the fan body, and wherein the connection assembly is provided with a storage space located above the fan body; and wherein the fan head is rotatably connected to the connection assembly, and wherein the fan head comprises a stored state and an operating state, and wherein in the stored state, at least a part of the fan head is accommodated in the storage space; and wherein the fan head is further rotatable relative to the connection assembly in the stored state to transition to the operating state; and wherein in the operating state, the fan head is capable of blowing the air to the outside. The storage space can be used simultaneously for storing, rotating and operating the fan head, thereby making the hand-held folding fan more compact and optimizing the construction, thereby ensuring a compact structure.BRIEF DESCRIPTION OF THE DRAWINGSFIG. 1 is a schematic diagram showing the structure of a foldable hand-held ventilator provided by the present invention in the stored state from a viewpoint; FIG. 2 is a schematic diagram showing the structure of a foldable hand-held ventilator provided by the present invention in the stored state from another viewpoint; FIG. 3 is a schematic diagram showing the structure of a foldable hand-held ventilator provided by the present invention in the operating state from a viewpoint; FIG. 4 is a schematic diagram showing the structure of a foldable hand-held ventilator provided by the present invention in the operating state from a different viewpoint; FIG. 5 is an exploded view of a foldable hand-held fan provided by the present invention; FIG. 6 is a schematic diagram showing the structure of a fan body of the foldable handheld fan provided by the present invention; FIG. 7 is a schematic diagram showing the structure of a first housing of the foldable handheld fan provided by the present invention; FIG. 8 is a schematic diagram showing the structure of a second housing of the foldable handheld fan provided by the present invention; FIG. 9 is a schematic diagram showing the structure of a third housing of the foldable handheld fan provided by the present invention in one direction; FIG. 10 is a schematic diagram showing the structure of a third housing of the foldable handheld fan provided by the present invention in another direction; FIG. 11 is a schematic diagram showing the structure of a fan blade assembly of the foldable hand-held fan provided by the present invention; FIG. 12 is a schematic diagram showing the structure of a separation net of the foldable handheld ventilator provided by the present invention; FIG. 13 is a schematic diagram showing the structure of a support member of the foldable handheld ventilator provided by the present invention.DETAILED DESCRIPTIONReferring to FIGS. 1 to 13, the present invention provides a foldable hand-held fan comprising a fan body 10, a fan head 20 connected to the fan body 10, and a connection assembly 30 installed on the fan body 10, wherein the connection assembly 30 is provided with a storage space 31 located above the fan body 10; and wherein the fan head 20 is rotatably connected to the connection assembly 30, and wherein the fan head 20 comprises a stored state and an operating state, and wherein in the stored state, at least a part of the fan head 20 is stored in the storage space 31; and wherein the fan head 20 is further rotatable relative to the connection assembly 30 in the stored state to transition to the operating state; and wherein in the operating state, the fan head 20 is capable of blowing the air to the outside.In the present embodiment, the fan head 20 is rotatably connected to the link assembly 30 and has two states; in the stowed state, the fan head 20 is stowed in the storage space and set at an angle of 0 degrees to the fan body to realize the stowage. When a user wishes to blow the air, the fan head 20 is rotated and the fan head 20 is located in the storage space 31 and rotated about the connection assembly 30 to allow the fan head 20 to transition from the stored state to an operating state, and in the operating state the fan head 20 can blow the air outwards, at which time the fan head 20 and the fan body 10 form an angle that is not 0 degrees, and in the operating state the angle between the fan body 10 and the fan head 20 is in the range between 0 degrees (not included) and 90 degrees (included) to meet the requirements of the user for the angle adjustment.In the present embodiment, the storage space 31 can be simultaneously used for storing, rotating, and operating the fan head 20, thereby making the folding hand ventilator more compact and optimizing the construction, and the storage space 31 is located in a first direction Y-Y (i.e., the height direction) of the fan body 10, which reduces the height of the folding hand-held ventilator and can further ensure a compact structure.Referring to FIG. 5, in one embodiment, the link assembly 30 includes two link arms 32 installed on the fan body 20, the two link arms 32 being disposed opposite each other, and the two link arms 32 forming the storage space 31 with the fan body 20. One of the link arm 32 and the fan head 20 is provided with a link member 33 and the other with a link hole 34, the link member 33 being guided into the link hole 34 to rotatably connect the link arm 32 and the fan head 20 to each other.In particular, the connection assembly 30 comprises two connection arms 32, wherein the two connection arms 32 are installed along the first direction on the fan body 10, and wherein the fan head 20 is movably connected to a free end of the two connection arms 32, and wherein the two connection arms 32 form the storage space 31 with the fan body 10. One of the fan head 20 and the link assembly 30 is provided with a link member 33 in a second direction X-X (i.e., the length direction) and the other with a link hole 34, the link member 33 being guided into the link hole 34 to rotatably connect the link arm 32 and the fan head 20 to each other. With the arrangement of the connecting member 33 and the connecting hole 34, it will be ensured that the fan head 20 can smoothly rotate.Referring to FIG. 5, the fan head 20 is provided with an air inlet 21 and an air outlet 22 communicating with the air inlet 21; wherein, in the stowed state, the air inlet 21, the air outlet 22, and the fan body 10 are located on the same axis extending along the first direction; and wherein the air inlet 21 faces the fan body 10, and wherein the air outlet 22 faces away from the fan body 10. The air inlet 21, the air outlet 22 and the fan body 10 are on the same axis, namely the fan body 10 and the fan head 20 enclose an angle of 0 degrees, thereby ensuring that the fan occupies less space in the stowed state and can be stowed conveniently.Referring to FIGS. 5, 7, 8, and 11, the fan head 20 includes at least a first housing 23 and a second housing 24 connected to the first housing 23, wherein the air inlet 21 is located at the first housing 23 and the air outlet 22 is located at the second housing 24. In the present embodiment, the fan head 20 is divided into the first housing 23 and the second housing 24, so that the assembly is performed only after the installation of the fan blade assembly 27 in the fan head 20, which reduces the difficulty of assembly, improves the efficiency of assembly, and reduces the manufacturing cost.Referring to FIGS. 5 and 8, the second housing 24 includes a second outer shell 241 and a second inner shell 242, the second outer shell 241 is formed hollow, and the second inner shell 242 is located in the second outer shell 241, and the second inner shell 242 and the second outer shell 241 are connected by a plurality of separators 243, and the second inner shell 242, the second outer shell 241, and two adjacent separators 243 form an air outlet 22. In the present embodiment, the second outer shell 241 is formed hollow to place the second inner shell 242, and the second inner shell 242, the second outer shell 241, and two adjacent separators 243 form an air outlet 22, which can ensure the normal blowing work of the foldable handheld fan and also reduce the weight of the foldable handheld fan.Referring to FIGS. 5 to 10, the fan head 20 further includes a third housing 25 installed between the first housing 23 and the second housing 24; wherein the third housing 25 includes a third outer shell 251 and a third inner shell 252, and wherein the third outer shell 251 is formed hollow, and wherein the third inner shell 252 is located in the third outer shell 251, and wherein the third inner shell 252 and the third outer shell 251 are connected by a plurality of separators 243, and wherein the third inner shell 252, the third outer shell 251, and two adjacent separators 243 form an air outlet 22; and wherein the air outlet 22 on the second housing 24 and the air outlet 22 on the third housing 25 are disposed opposite to each other. In the present embodiment, with the arrangement of the first housing 23, the second housing 24, and the third housing 25, the entire housing is divided into a plurality of housings to facilitate the manufacture. The third inner shell 252, the third outer shell 251, and two adjacent separators 243 form an air outlet 22 to blow the air to the user and lower the temperature, and the use of the separators 243 can also reduce the weight of the foldable handheld fan. The inner side surface of the third outer shell 251 is an inclined or curved surface such that the inner diameter of the third outer shell 251 gradually decreases along the direction from the air inlet 21 to the air outlet 22 to have the blown wind pressure effect and to increase the strength of the blown wind.Referring to FIGS. 5 to 11, the fan head 20 further includes a fan blade assembly 27 provided with a blade mounting pillar; wherein the surface of the second inner shell 242 extends toward the third inner shell 252 to form a second mounting member 2421, and wherein the third inner shell 252 is provided with a third mounting hole 2521, and wherein the second mounting member 2421 is passed through the third mounting hole 2521, and wherein the blade mounting pillar is connected to the second mounting member 2421 passing through the third mounting hole 2521. In the present embodiment, the second fixing member 2421 is passed through the third fixing hole 2521, and the blade fixing pillar is connected to the second fixing member 2421 passing through the third fixing hole 2521 to assemble the third housing 25, the second housing 24, and the fan blade assembly 27, thereby achieving easy assembly. The fan blade assembly 27 includes a motor 270 and a fan blade 271, the motor 270 driving the fan blade 271 to rotate to provide wind power to the user to lower the temperature.The second inner shell 242 is provided with a second positioning assembly 2422, the third inner shell 252 is provided with a third positioning assembly 2522, and the second positioning assembly is inserted into the third positioning assembly to limit axial rotation of the second inner shell 242 relative to the third inner shell 252. In the present embodiment, the second positioning assembly 2422 is inserted into the third positioning assembly 2522 to assemble the third housing 25 and the second housing 24, and the assembly is simple and stable. Further, the second fixing member 2421 is passed through the third fixing hole 2521 to realize first assembling the third housing 25 and the second housing 24. By inserting the second positioning assembly 2422 into the third positioning assembly 2522, the rotation of the third housing 25 and the second housing 24 relative to the axis center is restricted to realize stable assembly.The second positioning assembly 2422 includes two second positioning members 2423 symmetrically disposed on two sides of the second fixing member 2421. In the present embodiment, the symmetrical arrangement of the two second positioning members 2423 provides a balanced force, avoids local stress concentration, improves overall stability and durability of the second housing 24 and the third housing 25, and further improves the processing quality of the product.The second positioning member 2423 is formed in a U shape, and the opening of the second positioning member 2423 faces the second fixing member 2421. In the present embodiment, the U-shaped second positioning member 2423 is high in strength, good in rigidity, and small in deformation, and can be easily installed. Specifically, the second positioning member 2423 includes a second bottom plate 2424 joined to the inner wall of the second inner shell 242 and two second side plates 2425 installed at two ends of the second bottom plate 2424, the two second side plates 2425 and the second bottom plate 2424 forming the U-shaped second fastening members 2421.The third positioning assembly 2522 includes two third positioning members 2523 symmetrically disposed on two sides of the third mounting hole 2521. In the present embodiment, the symmetrical arrangement of the two third positioning members 2523 provides a balanced force, avoids local stress concentration, improves overall stability and durability of the second housing 24 and the third housing 25, and further improves the processing quality of the product.The second outer shell 241 is provided with a second step, wherein the third outer shell 251 is provided with a third protrusion, and wherein the second step cooperates with the third protrusion to connect the second outer shell 241 and the third outer shell 251.Referring to FIGS. 7 to 10, the third positioning member 2523 is formed in a U-shape with the opening facing the third inner shell 252. In the present embodiment, the U-shaped third positioning member 2523 is high in strength, good in rigidity, and small in deformation, and can be easily installed. Specifically, the third positioning member 2523 includes a third bottom plate 2524 and two third side plates 2525 with one side of the two third side plates 2525 connected to the third bottom plate 2524 and the other side connected to the third inner shell 252.The second side plate 2425 is connected to the second inner shell 242 by a second positioning block 2426, and the third inner shell 252 is provided with an escape notch 2526, which is used to mount the second positioning block 2426. In the present embodiment, the second positioning block 2426 extends along the inner wall of the second inner shell 242 toward the second fixing member 2421, and the escape notch 2526 is used to mount the second positioning block 2426, which can ensure better stability of assembly. Specifically, the third inner shell 252 is provided with a third platform, the edge of the third platform protrudes toward the second housing 24 to form a third inner protrusion, and a notch is provided at a position of the third inner protrusion corresponding to the third positioning member 2523 to form the escape notch 2526. In the present embodiment, the second housing 24 and the third housing 25 can be more easily fixed by the second positioning member 2423 and the third positioning member 2523 being engaged with each other and the second positioning block 2426 and the escape notch 2526 being engaged with each other.Referring to FIGS. 7 and 10, a side of the third outer shell 251 facing the first housing 23 is provided with a plurality of serrations 2511, the first housing 23 is provided with a first through hole 231 in which the serrations 2511 fit, and the serrations 2511 snap into the first through hole 231. In the present embodiment, a quick snap-fit connection can be made between the third outer shell 251 of the third housing 25 and the first housing 23 by fitting the prongs 2511 into the first through hole 231 to realize a convenient assembly.Referring to FIGS. 6 and 12, the first housing 23 has disposed thereon a separation net 26 located at the air inlet 21; the inner wall of the first housing 23 has disposed thereon a first protrusion 232; and the separation net 26 is installed between the first protrusion 232 and the third housing 25. In the present embodiment, with the arrangement of the separation net 26, it is prevented that articles enter the interior of the foldable hand-held fan from the outside and interfere with the work of the foldable hand-held fan, and the user can also be prevented from being injured by direct contact with the fan blade assembly 27 inside the fan head 20.Referring to FIG. 12, the spacer net 26 is a metal grid provided with a plurality of air inlet holes 260, wherein the plurality of air inlet holes 260 are used to reduce air resistance and increase air inlet volume. Each air inlet hole 260 may be circular, and the diameters of the plurality of air inlet holes 260 may be the same, and the inner diameter of each air inlet hole 260 is in the range of 0.5 mm to 4 mm. Such a size can prevent foreign matter from being drawn into the inside of the fan head 20. It will be appreciated that the barrier mesh 26 has a smaller thickness and weight, which is conducive to miniaturization and the lower weight of the product. Further, there are also a plurality of fixing holes 262 at the edges of the separation net 26, the plurality of fixing holes 262 are used to correspond to a plurality of fixing pillars of the third housing 25, and the fixing pillars extend into the fixing holes 262 to fix the separation net 26 to the third housing 25. The separation net 26 further includes a plurality of flanges 263, and the attachment holes 262 are provided on the flanges 263. In the foldable handheld ventilator, the air inlet holes 260 of the separation net 26 are regular hexagon, two adjacent air inlet holes 260 share the same circumferential wall, and with this design, the separation net 26 has the largest air inlet area, the smallest weight, the smallest wind resistance, and the largest air inlet volume. The width of the peripheral wall is in the range of 0.05 mm to 2 mm.Referring to FIGS. 1-5 and 13, in one embodiment, the folding hand ventilator further comprises a support member 40 rotatably connected to an end of the ventilator body 10 and disposed away from the ventilator head 20; and wherein the support member 40 comprises an operating state and a stowed state, and wherein in the operating state the support member 40 cooperates with the ventilator body 10 to support the folding hand-held ventilator; and wherein in the stowed state the support member 40 closely abuts the surface of the ventilator body 10. In the operating state, the support member 40 cooperates with the fan body 10, and the free end of the support member 40 and the underside of the fan body 10 are used as supports to support the foldable hand-held fan on a flat surface (e.g., a table top, etc.). In the stowed condition, the support member 40 closely abuts the surface of the foldable hand-held fan, thereby ensuring that the overall size of the foldable hand-held fan is smaller in the stowed condition. The folding hand ventilator of the present application is placed on a flat surface. A first method is to place the foldable handheld fan on a planar surface through the bottom of the fan body 10; and a second method is to place the foldable handheld fan on a planar surface by the fan body 10 interacting with the support member 40. The arrangement of the support member 40 enables the foldable hand-held fan to be placed in various ways, which improves the convenience of the hand-held fan.Referring to FIGS. 1 to 6 and 13, in one embodiment, the fan body 10 is provided with a receiving slot 11 for receiving the support member 40; wherein, in the stowed state, the support member 40 is stowed in the receiving slot 11 and tightly abuts against the fan body 10. In the present embodiment, the receiving slot 11 is used to store the support member 40. In particular, the fan body 10 is cylindrical and the support member 40 is curved so that the fit is better and the product is more aesthetically pleasing.In an embodiment, the support member 40 is provided with a support hole 41 and an abutting part 42, the inner wall of the support hole 41 is rotatably connected to the fan body 10 to rotate the support member 40 about the fan body 10; and the abutting part 42 is used to abut on the fan body 10. The abutting part 42 abuts against the surface of the fan body 10 to maintain the support member 40 in a stable state and support the foldable hand-held fan. In particular, the support element 40 is stored in the receiving slot 11. When the user needs to accommodate the foldable hand-held fan on a flat surface, the user rotates the support member 40 counterclockwise around the fan body 10 until the abutting part 42 of the support member 40 abuts against the fan body 10, and now the support member 40 corresponds to the direction of the air inlet 21 of the fan head 20 and enters the operating state. The cross section of the support member 40 is curved and at least a portion of the cross section of the fan body 10 is curved so that the fit is better and the overall appearance of the foldable hand-held fan is aesthetically pleasing.The fan body 10 is provided with an inclined portion 14 which is arranged on a lower side of the fan body 10 facing away from the fan head 20, wherein the inclined portion 14 faces away from the receiving slot 11. In the present exemplary embodiment, the inclined section 14 faces away from the receiving slot 11 and corresponds to the support element 40 in the operating state. The free ends of the inclined portion 14 and the support member 40 serve as two support portions for supporting the foldable handheld fan, and the inclined portion 14 increases the contact area between the foldable handheld fan and the planar surface to improve the stability of accommodation of the foldable handheld fan. With the arrangement of the inclined portion 14 and the support member 40, the folding hand ventilator has various placement methods and is applicable to a variety of placement environments (e.g., uneven and discontinuous planar surfaces), and the placement method is more flexible, improving the convenience of the folding hand-held ventilator.Referring to FIGS. 1 to 6, a surface of the fan body 10 opposite to the fan head 20 forms an inner groove 12 located below the storage space 31 and communicating with the storage space 31; the inner groove 12 serving to allow at least a part of the fan head 20 to pass therethrough. In the present embodiment, a surface of the fan body 10 opposite to the fan head 20 forms an inner groove 12, and when the fan head 20 rotates, at least a part of the fan head 20 is passed through the inner groove 12, whereby, provided that normal rotation of the fan head 20 is ensured, the gap between the fan head 20 and the fan body 10 in the first direction is made smaller to make the total height of the foldable handheld fan smaller, thus ensuring that the foldable hand fan takes up less space and is convenient to carry.In an embodiment, the folding hand ventilator further includes a control assembly 50 and a power supply assembly 60 that supplies power to the ventilator head 20 and the control assembly 50, wherein the control assembly 50 includes a control knob 51, a lighting assembly 52, a display assembly 53 and a circuit board 54, and wherein the circuit board 54 is electrically connected to the control knob 51, the lighting assembly 52, the display assembly 53 and the power supply assembly 60, respectively; and wherein the ventilator body 10 is provided with a cavity inside, and wherein the circuit board 54 and the power supply assembly 60 are installed in the cavity, and wherein the control knob 51, the lighting assembly 52 and the display assembly 53 are mounted on the ventilator body 10. In the present embodiment, the power supply assembly 60 is used to supply power to the control assembly 50, and the power supply assembly may be a disposable battery; it may also be a rechargeable battery, and accordingly, the fan body 10 is also provided with a charging port 61 (e.g., a type C charging port) to facilitate charging by the user. The control knob 51 can control the folding hand-held fan to start and stop and to enter different speeds, the wind power of the different speeds being different, for example, by pressing the control knob 51 once, the folding hand fan is switched to the first speed; by pressing the control knob twice, the folding hand fan is switched to the second speed; and by pressing the control knob 51 for a long time, the folding hand fan is turned on or off, which is not limited here. The display assembly 53 is a display light that can be used to display the turning on and off of the hand ventilator, the gear stage, the battery state of the ventilator, which is not limited here. For example, the display lights are provided in a number of 2, and when the hand fan is turned on and the two display lights are lit simultaneously, it means that the hand fan is turned on, and when the hand fan is turned off, both display lights are lighted simultaneously. Alternatively, the display lights are provided in a number of 3. At a battery level of 100%, all three indicator lights illuminate simultaneously. At a battery level of 100% to 50%, two of the indicator lights illuminate simultaneously. At a battery level of 50% to 0%, one of the indicator lights lights lights lights up. When the battery is fully discharged, none of the indicator lights are illuminated. Referring to Fig. 6, a control knob 51 is disposed on the fan body 10. In the present embodiment, the fan body 10 is formed hollow to install the power supply assembly 60 and the circuit board 54 connected to the power supply assembly 60, and the circuit board 54 is connected to the control knob 51 to receive a turn-on signal of the control knob 51, so that the motor 270 of the fan blade assembly 27 rotates to rotate the fan blade 271. Receipt of the off signal of the control knob 51 causes the motor 270 of the fan blade assembly 27 to stop rotating so that the fan blade271 stops rotating. In the present embodiment, the wire connecting the motor 270 may be electrically connected to the power supply assembly 60 via the fan body 10 after entering the connection arm 32.In one embodiment, the foldable hand ventilator further comprises a hanging portion 13 disposed on the ventilator body 10, the hanging portion 13 being used for cable attachment, thereby facilitating the user to wear the foldable hand-held ventilator.

Claims

A foldable hand-held fan comprising a fan body (10) and a fan head (20) connected to the fan body (10), wherein it further comprises a connection assembly (30) installed on the fan body (10), and wherein the connection assembly (30) is provided with a storage space (31) located above the fan body (10); and wherein the fan head (20) is rotatably connected to the connection assembly (30), and wherein the fan head (20) comprises a stored state and an operating state, and wherein in the stored state at least a part of the fan head (20) is accommodated in the storage space (31); and wherein the fan head (20) is further rotatable relative to the connection assembly (30) in the stored state to transition to the operating state; and wherein in the operating state the fan head (20) is capable of blowing the air outwards.The foldable hand-held ventilator according to claim 1, wherein the ventilator head (20) is provided with an air inlet (21) and an air outlet (22) communicating with the air inlet (21); and wherein in the stowed state the air inlet (21), the air outlet (22) and the ventilator body (10) are located on the same axis, and wherein the air inlet (21) faces the ventilator body (10), and wherein the air outlet (22) faces away from the ventilator body (10); and wherein the ventilator head (20) comprises at least a first housing (23) and a second housing (24) connected to the first housing (23), and wherein the air inlet (21) is located on the first housing (23) and the air outlet (22) is located on the second housing (24); and wherein the second housing (24) comprises a second outer shell (241) and a second inner shell (242), and wherein the second outer shell (241) is hollow, and wherein the second inner shell (242) is located in the second outer shell (241), and wherein the second inner shell (242) and the second outer shell (241) are connected by a plurality of separators, and wherein the second inner shell (242), the second outer shell (241) and two adjacent separators form an air outlet (22).The foldable hand-held ventilator according to claim 2, wherein the ventilator head (20) further comprises a third housing (25) installed between the first housing (23) and the second housing (24); and wherein the third housing (25) comprises a third outer shell (251) and a third inner shell (252), and wherein the third outer shell (251) is formed hollow, and wherein the third inner shell (252) is located in the third outer shell (251), and wherein the third inner shell (252) and the third outer shell (251) are connected by a plurality of separators, and wherein the third inner shell (252), the third outer shell (251), and two adjacent separators (243) form an air outlet (22); and wherein the air outlet (22) on the second housing (24) and the air outlet (22) on the third housing (25) are arranged opposite to each other.The foldable hand-held fan of claim 3, wherein the fan head (20) further comprises a fan blade assembly (27) provided with a blade mounting pillar; wherein the surface of the second inner shell (242) extends toward the third inner shell (252) to form a second mounting member (2421), and wherein the third inner shell (252) is provided with a third mounting hole (2521), and wherein the second mounting member (2421) is passed through the third mounting hole (2521), and wherein the blade mounting pillar is connected to the second mounting member (2421) passing through the third mounting hole (2521).The foldable handheld fan according to claim 3, wherein the second inner shell (242) is provided with a second positioning assembly (2422), and wherein the third inner shell (252) is provided with a third positioning assembly (2522), and wherein the second positioning assembly (2422) is inserted into the third positioning assembly (2522) to limit the axial rotation of the second inner shell (242) relative to the third inner shell (252); and wherein the third positioning assembly (2522) comprises two third positioning members (2523) symmetrically disposed on two sides of the third mounting hole (2521); and wherein the third positioning member (2523) is formed in a U-shape, and wherein the opening of the third positioning member faces the third inner shell (252); and wherein the third positioning member (2523) comprises a third bottom plate (2524) and two third side plates (2525), and wherein one side of the two third side plates (2525) is connected to the third bottom plate (2524) and the other side is connected to the third inner shell (252).The foldable handheld fan of claim 5, wherein the second positioning assembly (2422) comprises two second positioning members (2423) symmetrically disposed on two sides of the second fixing member (2421); and wherein the second positioning member (2423) is formed in a U-shape, and wherein the opening of the second positioning member (2423) faces the second fixing member (2421); and wherein the second positioning member (2423) comprises a second bottom plate (2424) connected to the inner wall of the second inner shell (242) and two second side plates (2425) installed at two ends of the second bottom plate (2424), and wherein the two second side plates (2425) and the second bottom plate (2424) form the U-shaped second fixing members (2421); and wherein the second side plate (2425) is connected to the second inner shell (242) by a second positioning block (2426), and wherein the third inner shell (252) is provided with an escape notch (2526) used to mount the second positioning block (2426).The foldable hand-held ventilator according to claim 3, wherein a side of the third outer shell (251) facing the first housing (23) is provided with a plurality of serrations (2511), and wherein the first housing (23) is provided with a first through hole (231) in which the serrations (2511) fit, and wherein the serrations (2511) snap into the first through hole (231); and wherein a separation net (26) located at the air inlet (21) is disposed on the first housing (23); and wherein a first protrusion (232) is disposed on the inner wall of the first housing (23), and wherein the separation net (26) is installed between the first protrusion (232) and the third housing (25).The foldable hand-held ventilator of claim 1, wherein the foldable hand-held ventilator further comprises a support member (40) rotatably connected to an end of the ventilator body (10) and arranged away from the ventilator head (20); and wherein the support member (40) comprises an operating state and a stowed state, and wherein in the operating state the support member (40) cooperates with the ventilator body (10) to support the foldable hand-held ventilator; and wherein in the stowed state the support member (40) closely abuts the surface of the ventilator body (10); and wherein the ventilator body (10) is provided with a receiving slot (11) for receiving the support member (40); and wherein in the stowed state the support member (40) is stowed in the receiving slot (11) and closely abuts the ventilator body (10); and wherein the support member (40) is provided with a support hole (41) and a abutting part (42), and wherein the inner wall of the support hole (41) is rotatably connected to the fan body (10) to rotate the support member (40) about the fan body (10); and wherein the abutting part (42) is used to abut on the fan body (10); and wherein the fan body (10) is provided with an inclined portion (14) disposed at a lower side of the fan body (10) facing away from the fan head (20), and wherein the inclined portion (14) faces away from the receiving slot (11).The foldable hand-held fan according to claim 1, wherein the connection assembly (30) comprises two connecting arms (32) installed on the fan body (10), and wherein the two connecting arms (32) are arranged opposite to each other, and wherein the two connecting arms (32) form the storage space (31) with the fan body (10); and wherein one of the connecting arm (32) and the fan head (20) is provided with a connecting member (33) and the other is provided with a connecting hole (34), and wherein the connecting member (33) is guided into the connecting hole (34) to rotatably connect the connecting arm (32) and the fan head (20) to each other; and wherein a surface of the fan body (10) opposite to the fan head (20) forms an inner groove (12) located below the storage space (31) and in communication with the storage space (31); and wherein the inner groove (12) serves to allow at least a part of the fan head (20) to be passed through.The foldable hand-held ventilator of claim 1, further comprising a control assembly (50) and a power supply assembly (60) that supplies power to the ventilator head (20) and the control assembly (50), and wherein the control assembly (50) comprises a control knob (51), a lighting assembly (52), a display assembly (53), and a circuit board (54), and wherein the circuit board (54) is electrically connected to the control knob (51), the lighting assembly (52), the display assembly (53), and the power supply assembly (60), respectively; and wherein the fan body (10) is provided with a cavity inside, and wherein the circuit board (54) and the power supply assembly (60) are installed in the cavity, and wherein the control knob (51), the lighting assembly (52), and the display assembly (53) are mounted on the fan body (10).

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