Air outlet component and handheld fan

Abstract

The utility model provides an air outlet component which comprises a shell, a first air outlet, a second air outlet and an air outlet, the shell comprises a first section and a second section which are connected, and the second section is located behind the first section; the driving assembly is arranged in the first section, the driving assembly comprises a barrel, a motor and a fan, the barrel comprises an outer ring part, an inner ring part and a plurality of connecting blades connected with the outer ring part and the inner ring part, the fan is arranged in the outer ring part and on the rear side of the inner ring part, and the motor is arranged in the inner ring part; wherein a plurality of air inlets are annularly formed in the side face of the second section, and air is discharged from the front end of the first section. The multiple air inlets are annularly formed in the second section of the shell, the air inlet area is widened, the air inlet amount is increased, and the air outlet effect is improved.

Description

Technical Field

[0001] The present application relates to the technical field of fans, and in particular to an air outlet component with a large air inlet area and a handheld fan. Background Art

[0002] At present, the size of daily electronic products is getting smaller and smaller, and the requirements for the size and portability of fans are getting higher and higher. In existing handheld fans, an air inlet is usually set at the rear side of the shell, and an air outlet is set at the front side of the shell, so that the air flow is from the back to the front and the air outlet is smooth.

[0003] However, as the handheld fan is miniaturized, the area of ​​the air inlet at the rear side is also reduced, resulting in a reduced air intake and poor air output. How to increase the air intake of a handheld fan with a limited volume is an urgent problem to be solved. Summary of the invention

[0004] In view of this, the present application provides an air outlet component and a handheld fan, which widens the air inlet area, increases the air inlet volume, and improves the air outlet effect by arranging multiple air inlets around the second section of the shell.

[0005] The present application provides an air outlet component, comprising: an outer shell, comprising a first section and a second section connected to each other, the second section being located behind the first section; a drive assembly, arranged in the first section, the drive assembly comprising a cylinder, a motor and a fan, the cylinder comprising an outer ring portion, an inner ring portion, and a plurality of connecting blades connecting the outer ring portion and the inner ring portion, the fan being arranged in the outer ring portion and at the rear side of the inner ring portion, and the motor being arranged in the inner ring portion; wherein a plurality of air inlets are arranged on the side surface of the second section, and air is discharged at the front end of the first section.

[0006] Furthermore, the length of the first section is greater than or equal to the length of the second section; the air inlets are circular holes and / or regular polygonal holes, and the aperture size of each air inlet is 0.8-2mm; a filtering device is provided in the area inside the second section corresponding to the multiple air inlets.

[0007] Furthermore, it also includes a support frame, which is accommodated in the shell, and the support frame includes a first support part and a second support part connected front and back, the first support part is correspondingly accommodated in the first section, the second support part is correspondingly accommodated in the second section, and the drive assembly is accommodated in the first support part.

[0008] Furthermore, a plurality of first matching portions and a plurality of first guiding portions are provided on the outer side of the first supporting portion, and a plurality of second matching portions and a plurality of second guiding portions are correspondingly provided on the inner side of the outer shell. The plurality of first guiding portions and the plurality of second guiding portions cooperate to guide the supporting frame to slide into the outer shell, and the plurality of first matching portions and the plurality of second matching portions cooperate correspondingly to fix the supporting frame in the outer shell.

[0009] Furthermore, the diameter of the second support portion is smaller than the diameter of the first support portion, and the second support portion includes a connecting portion connected to the first support portion, a plate portion located at the rear side, and a plurality of first columns connecting the connecting portion and the plate portion.

[0010] Furthermore, it also includes a fixing frame, a functional component and a fixing ring, the fixing frame is arranged on the radially outer side of the second supporting portion and on the inner side of the outer shell, the fixing frame includes a first ring, a second ring, and a plurality of second columns connecting the first ring and the second ring, the first ring is arranged on the outer side of the connecting portion, and a plurality of second columns are arranged on the outer sides of a plurality of first columns; the functional component is installed on the rear side of the plate portion, and the second ring is arranged on the outer side of the functional component; the fixing ring includes a first side wall and a second side wall arranged concentrically, and a third side wall connecting the first side wall and the second side wall, the fixing ring is installed on the rear side of the outer shell from back to front, the first side wall is abutted and fixed to the outer shell, the second side wall is abutted and fixed to the functional component, and the first side wall, the second side wall and the third side wall are arranged around the second ring.

[0011] Furthermore, the functional component is a lamp, which includes a light source assembly and a fixing member, wherein the fixing member passes through the light source assembly and is fixed to the plate portion to fix the functional component to the plate portion, and the light source assembly includes a circuit board, an LED light-emitting component and a light-transmitting component, wherein the LED light-emitting component is disposed on the circuit board, and the light-transmitting component cover is disposed on the outside of the circuit board and the LED light-emitting component.

[0012] The present application also includes a handheld fan, including the air outlet component as described above, and the handheld fan also includes a handheld portion, in which a battery module and a control component are disposed.

[0013] Furthermore, it also includes a first connecting member, the shell includes a first opening provided at the first section and the second section, and the first connecting member passes through the first opening from the inner side of the shell and is exposed to the outer side of the shell.

[0014] Furthermore, the hand-held part also includes a hand shell and a second connecting piece, the second connecting piece is connected to the upper side of the hand shell, at least part of the second connecting piece is exposed upward and is fixedly connected to the first connecting piece; a first vent is provided at the bottom of the hand shell, and a second vent is provided on the second connecting piece, and the airflow flows into the hand shell from the first vent and enters the air outlet component through the second vent and the first opening.

[0015] Compared with the prior art, the air outlet component and the handheld fan of the present application have the following beneficial effects: by arranging a plurality of air inlets around the second section of the shell, the air inlet area is widened, the air inlet volume is increased, and the air outlet effect is improved in the air outlet component with limited volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional diagram of a handheld fan according to an embodiment of the present application;

[0017] Figure 2 is an exploded view of a handheld fan according to an embodiment of the present application;

[0018] Figure 3 is a cross-sectional view of a handheld fan according to an embodiment of the present application;

[0019] Figure 4 is a cross-sectional view of a drive assembly according to an embodiment of the present application;

[0020] Figure 5 is another cross-sectional view of a drive assembly according to an embodiment of the present application;

[0021] Figure 6 is an exploded view of a drive assembly according to an embodiment of the present application;

[0022] Figure 7 It is an exploded schematic diagram of a housing and a support frame of an embodiment of the present application;

[0023] Figure 8 This is a schematic diagram of the assembly of a housing, a support frame, a first connecting member and a handheld part according to an embodiment of the present application;

[0024] Fig. 9 yes Figure 8 A cross-sectional view of

[0025] Fig.10 is a cross-sectional view of a housing, a support frame, a first connecting member and a handheld portion of another embodiment of the present application;

[0026] Fig.11 is a three-dimensional diagram of a battery module according to an embodiment of the present application;

[0027] Fig.12 is an exploded view of a battery module according to an embodiment of the present application;

[0028] Fig.13 It is a cross-sectional view of a battery module according to an embodiment of the present application. DETAILED DESCRIPTION

[0029] In order to facilitate a better understanding of the purpose, structure, features, and functions of the present application, the present application is further described in conjunction with the accompanying drawings and specific implementation methods.

[0030] It should be noted that when an element is considered to be “connected to” another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0031] In this application, descriptions such as “first”, “second”, etc. are only used for descriptive purposes and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features.

[0032] In the description of the present application, the terms "front", "back", "left", "right", "up", "down", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present application and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0033] like Figure 1 As shown, the handheld fan of the present application includes an air outlet component 100 and a handheld part 200, and the air outlet component 100 is connected to the handheld part 200.

[0034] like Figures 1 to 3 As shown, in one embodiment, the handheld part 200 includes a hand shell 10, and a battery module 20 and a control component 60 are arranged in the hand shell 10. The air outlet component 100 includes a housing 1 and a drive component, and the drive component is arranged in the housing 1. The drive component includes a motor 8 and a fan 9. The control component 60 controls the battery module 20 to supply power to the motor 8, and the motor 8 drives the fan 9 to rotate to generate wind.

[0035] like Figure 3 , Figure 4 and Figure 6As shown, in one embodiment, the drive assembly includes a cylinder 7, a fan 9 and a motor 8. The cylinder 7 includes an outer ring portion 71, an inner ring portion 72, and a plurality of connecting blades 73 connecting the outer ring portion 71 and the inner ring portion 72. The fan 9 is accommodated in the outer ring portion 71 and is arranged on the rear side of the inner ring portion 72. The motor 8 includes a stator assembly 81 and a rotor assembly 82, the outer diameter of the motor 8 is smaller than the inner diameter of the inner ring portion 72, and the motor 8 is installed on the inner side of the inner ring portion 72. Among them, the rear end of the fan 9 extends backward beyond the rear end of the outer ring portion 71, which is conducive to the fan 9 to absorb and cut the airflow on the rear side of the cylinder 7, thereby forming a stronger wind. In this embodiment, the outer side of the cylinder 7 is also wrapped with a buffer sleeve (not numbered, the same below), of course, in other embodiments, the buffer sleeve may not be provided.

[0036] like Figure 3 , Figure 4 and Figure 6 As shown, in one embodiment, the fan 9 includes a hub 91 and a plurality of blades 92 arranged around the hub 91 at intervals. The outer diameter of the motor 8 is smaller than the maximum inner diameter of the hub 91, so a part of the motor 8 can also be accommodated inside the hub 91. In this embodiment, the hub 91 increases radially from back to front, the inner ring portion 72 remains unchanged radially from back to front, the maximum diameter of the hub 91 is equal to the diameter of the inner ring portion 72, and the wind generated by the rotation of the fan 9 can flow smoothly to the outside of the inner ring portion 72, reducing wind resistance and wind loss. Of course, in other embodiments, the maximum diameter of the hub 91 differs from the diameter of the inner ring portion 72 by less than 2 mm, which can also achieve the effect of reducing wind resistance and wind loss.

[0037] like Figures 3 to 6As shown, in one embodiment, the leading edge of each blade 92 is provided with a plurality of first serrations 921, and the trailing edge of each connecting blade 73 is provided with a plurality of second serrations 731. The ratio of the tooth width of the first serration 921 to the length of the leading edge of the blade 92 is in the range of 0.05-0.2, the ratio of the spacing between two adjacent first serrations 921 to the tooth width of the first serration 921 is in the range of 0-1, and the ratio of the tooth depth of the first serration 921 to the tooth width of the first serration 921 is in the range of 0.5-2. The ratio of the tooth width of the second serration 731 to the length of the trailing edge of the connecting blade 73 is in the range of 0.05-0.2, the ratio of the spacing between two adjacent second serrations 731 to the tooth width of the second serration 731 is in the range of 0-1, and the ratio of the tooth depth of the second serration 731 to the tooth width of the second serration 731 is in the range of 0.5-2. In this embodiment, there is a spacing between two adjacent first saw teeth 921, and there is a spacing between two adjacent second saw teeth 731. In other embodiments, there may be no spacing between two adjacent first saw teeth 921, and there may be no spacing between two adjacent second saw teeth 731. In this embodiment, the shapes of the first saw teeth 921 and the second saw teeth 731 are roughly triangular. In other embodiments, the shapes of the first saw teeth 921 and the second saw teeth 731 may also be trapezoidal, circular, arc-shaped, etc. In this embodiment, the leading edge of the blade 92 and the trailing edge of the connecting blade 73 are provided with a sawtooth structure. In other embodiments, the trailing edge of the blade 92 may also be provided with a sawtooth structure, and the leading edge of the connecting blade 73 may also be provided with a sawtooth structure. In this embodiment, the first saw teeth 921 are provided on the entire leading edge of the blade 92, and the second saw teeth 731 are provided on the entire trailing edge of the connecting blade 73. In other embodiments, the first saw teeth 921 may also be provided only on a portion of the leading edge of the blade 92, and the second saw teeth 731 may also be provided only on a portion of the trailing edge of the connecting blade 73.

[0038] The plurality of first serrations 921 and the plurality of second serrations 731 can effectively eliminate the pressure concentration in the airflow, thereby making the overall internal pressure of the airflow more uniform, reducing turbulence, improving wind efficiency, and at the same time, reducing the noise of the airflow.

[0039] like Figures 3 to 5 As shown, in one embodiment, the blade 92 rotates clockwise from back to front, and the connecting blade 73 rotates counterclockwise from back to front and then extends straight forward. The adjacent areas of the blade 92 and the connecting blade 73 extend in opposite directions, and the counterclockwise rotating portion of the connecting blade 73 from back to front can comb and rectify the airflow generated by the rotation of the blade 92, thereby reducing turbulence and noise.

[0040] like Figures 3 to 6As shown, in one embodiment, the inner ring portion 72 is provided with a mounting portion 721. The motor 8 further includes a bearing seat 83, and the bearing seat 83 is mounted on the mounting portion 721. In this embodiment, the bearing seat 83 is made of metal, and the mounting portion 721 is made of plastic. The bearing seat 83 is mounted on the mounting portion 721 by one or more of in-mold injection molding, ultrasonic welding, hot melting, glue, and tight fit press-in. In other embodiments, the bearing seat 83 may also be made of plastic, and the bearing seat 83 is mounted on the mounting portion 721, or the bearing seat 83 and the mounting portion 721 are integrally formed by injection molding.

[0041] like Figures 3 to 6 As shown, in one embodiment, the rotor assembly 82 includes a rotating shaft 821, a bearing assembly 822, a magnetic ring 823 and a yoke 824. The bearing assembly 822 is arranged in the bearing seat 83, and one end of the rotating shaft 821 is fixed in the bearing seat 83 through the bearing assembly 822. The magnetic ring 823 is fixed to the radial inner side of the yoke 824, the yoke 824 is fixedly connected to the rotating shaft 821, and the yoke 824 and the magnetic ring 823 are arranged on the radial outer side of the bearing seat 83. The stator assembly 81 is arranged between the bearing seat 83 and the magnetic ring 823, and the other end of the rotating shaft 821 is fixedly connected to the fan 9. That is to say, the magnetic ring 823 is arranged on the radial outer side of the stator assembly 81, and the motor 8 is an outer rotor motor 8. Furthermore, the magnetic ring 823 is fixed to the radial inner side of the yoke 824, and the yoke 824 is fixedly connected to the rotating shaft 821. When the stator assembly 81 drives the magnetic ring 823 to rotate, the magnetic ring 823 drives the yoke 824, and the yoke 824 drives the rotating shaft 821 to rotate. Therefore, the magnetic ring 823 or the yoke 824 does not need to be connected to the fan 9, and the fan 9 can be fixedly connected to the other end of the rotating shaft 821, and the rotating shaft 821 can drive the fan 9 to rotate.

[0042] like Figure 4 and Figure 6 As shown, in one embodiment, the yoke 824 includes an outer wall 8241, an inner wall 8242 and a connecting wall 8243, and the connecting wall 8243 connects the outer wall 8241 and the inner wall 8242. The inner wall 8242 is arranged on the inner side of the outer wall 8241, and the inner wall 8242 is fastened to the rotating shaft 821. The inner wall 8242 is shorter than the outer wall 8241, so that the bearing assembly 822 can be arranged on the part of the rotating shaft 821 in front of the inner wall 8242. In this embodiment, the connecting wall 8243 is penetrated by a plurality of through holes 8244, which can dissipate heat inside the motor 8. In other embodiments, the connecting wall 8243 may not be provided with the through holes 8244.

[0043] like Figure 3 and Figure 4 In one embodiment, the bearing assembly 822 includes a first bearing 8221 located at the front, a second bearing 8222 located at the rear, and a buffer member 8223 disposed between the first bearing 8221 and the second bearing 8222. The front end of the inner wall 8242 directly abuts against the second bearing 8222, or an elastic member (not numbered, the same below) is disposed between the front end of the inner wall 8242 and the second bearing 8222. The buffer member 8223 may be a single spring, or may be composed of a spring and a rubber sleeve, or other elastic materials. The elastic member may be a spring, or other elastic materials.

[0044] like Figure 3 , Figure 4 and Figure 6 As shown, in one embodiment, the motor 8 is a three-phase high-speed motor, and the motor 8 further includes a drive plate 84. A fixing hole 722 is provided inside the inner ring portion 72, and the drive plate 84 is provided with a fixing opening 841. The fixing member 44 passes through the fixing opening 841 and is fixed to the fixing hole 722, thereby fixing the drive plate 84 to the inner ring portion 72.

[0045] like Figures 1 to 3 As shown, in one embodiment, the housing 1 includes a first section 11 and a second section 12 connected to each other, and the second section 12 is located behind the first section 11. The drive assembly is arranged in the first section 11, that is, the cylinder 7, the motor 8 and the fan 9 are arranged in the first section 11. Among them, the side of the second section 12 is surrounded by a plurality of air inlets 121, and the first section 11 discharges air. It should be understood that in this embodiment, the plurality of air inlets 121 are only arranged on the side of the second section 12, but in other embodiments, the plurality of air inlets 121 can also be arranged on the side and the back of the second section 12 at the same time. In this embodiment, a filter device 34 is also arranged on the radial inner side of the plurality of air inlets 121, so that the blown air is cleaner. Of course, in other embodiments, the filter device 34 may not be arranged on the radial inner side of the plurality of air inlets 121.

[0046] like Figures 1 to 3As shown, in one embodiment, the length of the first section 11 is greater than the length of the second section 12. In other embodiments, the length of the first section 11 may also be equal to the length of the second section 12. Each of the multiple air inlets 121 is a circular hole, and the aperture size of each air inlet 121 is 0.8-2 mm. In other embodiments, each of the multiple air inlets 121 may also be a regular polygonal hole, or some of the multiple air inlets 121 are circular holes, and some of the air inlets 121 are regular polygonal holes.

[0047] like Figure 2 , Figure 3 and Figure 7 As shown, in one embodiment, the air outlet component 100 further includes a support frame 2, and the support frame 2 is accommodated in the housing 1. The support frame 2 includes a first support portion 21 and a second support portion 22 connected front and back, the first support portion 21 is correspondingly accommodated in the first section 11, the second support portion 22 is correspondingly accommodated in the second section 12, and the driving assembly is accommodated in the first support portion 21.

[0048] like Figure 2 , Figure 3 and Figure 7 As shown, in one embodiment, a plurality of first matching portions 211 and a plurality of first guide portions 212 are provided on the outer side of the first support portion 21, and a plurality of second matching portions 111 and a plurality of second guide portions 112 are correspondingly provided on the inner side of the shell 1. The plurality of first guide portions 212 and the plurality of second guide portions 112 cooperate to guide the support frame 2 to slide into the shell 1. The plurality of first matching portions 211 and the plurality of second matching portions 111 cooperate correspondingly to fix the support frame 2 in the shell 1. In this embodiment, the plurality of first guide portions 212 are slide grooves, and the plurality of second guide portions 112 are sliders. In other embodiments, the plurality of first guide portions 212 may be sliders, and the plurality of second guide portions 112 may be slide grooves. The plurality of first guide portions 212 and the plurality of second guide portions 112 are not only a guiding relationship but also a positioning relationship. In this embodiment, the plurality of first matching parts 211 are hooks, and the plurality of second matching parts 111 are slots. In other embodiments, the plurality of first matching parts 211 may be slots, and the plurality of second matching parts 111 may be hooks. The plurality of first matching parts 211 and the plurality of second matching parts 111 are matched and fixed, and at the same time limit the relative position between the support frame 2 and the housing 1.

[0049] like Figure 2 , Figure 3 and Figure 7As shown, in one embodiment, the air outlet component 100 further includes a fixing frame 3, a functional component 4 and a fixing ring 5. The diameter of the second support portion 22 is smaller than the diameter of the first support portion 21, and the second support portion 22 includes a connecting portion 221 connected to the first support portion 21, a plate portion 222 located at the rear side, and a plurality of first columns 223 connecting the connecting portion 221 and the plate portion 222. The fixing frame 3 is arranged at the radial outer side of the second support portion 22 and at the inner side of the housing 1, and the fixing frame 3 includes a first ring 31, a second ring 32, and a plurality of second columns 33 connecting the first ring 31 and the second ring 32. The first ring 31 is arranged at the outer side of the connecting portion 221, and the plurality of second columns 33 are arranged at the outer side of the plurality of first columns 223. The functional component 4 is installed at the rear side of the plate portion 222, and the second ring 32 is arranged at the outer side of the functional component 4. The fixing ring 5 includes a first side wall 51 and a second side wall 52 which are arranged concentrically, and a third side wall 53 which connects the first side wall 51 and the second side wall 52. The fixing ring 5 is installed on the rear side of the housing 1 from the back to the front, the first side wall 51 is abutted and fixed to the housing 1, the second side wall 52 is abutted and fixed to the functional component 4, and the first side wall 51, the second side wall 52 and the third side wall 53 are arranged around the second ring 32. On the basis that the support frame 2 is fixed to the housing 1, the fixing frame 3, the functional component 4 and the fixing ring 5 are fixed to the housing 1 and the support frame 2.

[0050] like Figure 2 and Figure 3 As shown, in one embodiment, the functional component 4 is a lamp. The functional component 4 includes a light source assembly and a fixing member 44, and the fixing member 44 passes through the light source assembly and is fixed to the plate portion 222 to fix the functional component 4 to the plate portion 222. The light source assembly includes a circuit board 41, an LED light-emitting component 42 and a light-transmitting component 43, and the LED light-emitting component 42 is arranged on the circuit board 41, and the light-transmitting component 43 is covered on the outside of the circuit board 41 and the LED light-emitting component 42. The circuit board 41 is connected to the control component 60, and the control component 60 can control the switch of the LED light-emitting component 42. Of course, in other embodiments, the functional component 4 can also be other components, such as IP components, humidifiers, heaters, semiconductor refrigerators, etc., which are not limited to the examples.

[0051] like Figure 2 , Figure 7 , Figure 8 and Fig. 9As shown, in one embodiment, the air outlet component 100 also includes a first connecting member 6. The housing 1 includes a first opening 13 provided at the first section 11 and the second section 12, and the support frame 2 includes a second opening 23 provided at the first support portion 21 and the second support portion 22, and the second opening 23 at least partially overlaps with the first opening 13. The first connecting member 6 passes through the second opening 23 and the first opening 13 from the inner side of the support frame 2 and is exposed to the outer side of the housing 1. The hand-held part 200 also includes a second connecting member 70, which is connected to the upper side of the hand shell 10, and at least a portion of the second connecting member 70 is exposed upward and fixedly connected to the first connecting member 6.

[0052] like Fig.10 and Fig.13 As shown, in one embodiment, the first connecting member 6 is integrally formed with the support frame 2, and the housing 1 includes the first opening 13 provided at the first section 11 and the second section 12, and a portion of the first connecting member 6 is exposed downward through the first opening 13. The second connecting member 70 is integrally formed with the hand shell 10. A first vent 1021 is provided at the bottom of the hand shell 10, and a second vent 701 is provided on the second connecting member 70. When the fan 9 rotates, the main airflow path enters the air outlet component 100 from the multiple air inlets 121, and finally blows out from the front end of the housing 1; the secondary airflow path flows into the hand shell 10 from the first vent 1021, and enters the air outlet component 100 through the second vent 701 and the first opening 13, and finally blows out from the front end of the housing 1. By setting the first vent 1021 at the bottom of the hand shell 10, setting the second vent 701 on the second connecting member 70, and setting the first opening 13 on the support frame 2 to connect the hand shell 10 and the air outlet component 100, not only the air inlet area is widened and the air inlet volume is increased; at the same time, the heat generated by the battery module 20 and the control component 60 can be taken away.

[0053] like Figures 11 to 13 As shown, in one embodiment, the battery module 20 includes a holder 30, a battery pack 40 and a controller 50. The holder 30 includes an upper side frame 301 and a lower side frame 302, and the upper side frame 301 and the lower side frame 302 are fixed to form a receiving compartment 303. The battery pack 40 includes at least two battery cells 401, and the battery pack 40 is fixed to the receiving compartment 303. The multiple battery cells 401 in the battery pack 40 are electrically connected. Among them, the positive and negative electrodes of the control board 501 are electrically connected to the positive and negative electrodes of the battery pack 40 respectively.

[0054] like Figures 11 to 13As shown, in one embodiment, the battery pack 40 includes three battery cells 401. The three battery cells 401 are arranged in an isosceles triangle. Of course, in other embodiments, the three battery cells 401 can also be arranged side by side. The model of the battery cell 401 is 18650 or 21700. In this embodiment, the three battery cells 401 are connected in series, and the working voltage after series connection is 11.1-12.6V. The three battery cells 401 are connected in series to directly supply power to the motor 8. In other embodiments, the three battery cells 401 can also be connected in parallel, and the parallel working voltage is 3.7-4.2V. After the three battery cells 401 are connected in parallel, the working voltage is increased to 11.1-12.6V through the boost circuit, and then the power is supplied to the motor 8 after boosting. It should be understood that these voltage values ​​are rated values, that is, standard values, but in actual use, they will fluctuate due to constant voltage or constant current problems.

[0055] like Figures 11 to 13 As shown, in one embodiment, the upper side frame 301 includes a top wall 3011, and a plurality of first tabs 3013 extending downward from the top wall 3011, and the plurality of first tabs 3013 form a plurality of first bins 3016. The lower side frame 302 includes a bottom wall 3021, and a plurality of second tabs 3023 extending upward from the bottom wall 3021, and the plurality of second tabs 3023 form a plurality of second bins 3026. The plurality of first bins 3016 and the plurality of second bins 3026 together constitute a plurality of accommodating bins 303, the plurality of first bins 3016 accommodate a portion of the plurality of battery cells 401, and the plurality of second bins 3026 accommodate another portion of the plurality of battery cells 401. A plurality of first fixing parts 3015 are provided on the periphery of the plurality of first connecting pieces 3013, a plurality of second fixing parts 3025 are provided on the periphery of the plurality of second connecting pieces 3023, the upper side frame 301 and the lower side frame 302 are correspondingly merged, and the plurality of first fixing parts 3015 and the plurality of second fixing parts 3025 are correspondingly fixed to each other so as to fix the plurality of battery cells 401 in the plurality of accommodating chambers 303.

[0056] like Figures 11 to 13As shown, in one embodiment, the positive pole of each battery cell 401 is oriented in the same direction as the negative pole of the adjacent battery cell 401, and the positive and negative poles of two adjacent battery cells 401 are connected in series through the conductive member 402. Or in other embodiments, the positive poles of the plurality of battery cells 401 are oriented in the same direction, the positive poles of two adjacent battery cells 401 are connected in parallel through the conductive member 402, and the negative poles of two adjacent battery cells 401 are connected in parallel through the conductive member 402. The top wall 3011 is provided with a plurality of first slots 3012, the bottom wall 3021 is provided with a plurality of second slots 3022, and the plurality of conductive members 402 are provided in the plurality of first slots 3012 and the plurality of second slots 3022.

[0057] like Figures 11 to 13 As shown, in one embodiment, the controller 50 is disposed above the top wall 3011. The positive electrode of the battery pack 40 is electrically connected to the positive electrode of the control board 501 through the positive electrode connecting piece 403, and the negative electrode of the battery pack 40 is electrically connected to the negative electrode connecting piece 404 of the control board 501. The first contact piece 3013 is provided with a plurality of third slots 3014, and the second contact piece 3023 is provided with a plurality of fourth slots 3024. The plurality of third slots 3014 and the plurality of fourth slots 3024 are connected one by one. The positive electrode connecting piece 403 or the negative electrode connecting piece 404 is electrically connected to the negative electrode or the positive electrode of the control board 501 from one of the second slots 3022, through one of the fourth slots 3024 and one of the third slots 3014. It should be understood that the plurality of first contact pieces 3013 and the plurality of second contact pieces 3023 are generally arc-shaped, so as to fix and limit the plurality of battery cells 401. The remaining third slots 3014 and the remaining fourth slots 3024 may be used to ventilate and dissipate heat inside the battery pack 40 .

[0058] like Figure 1 , Figures 11 to 13 As shown, in one embodiment, the length of the hand-held portion 200 is 52-62 mm, the width of the hand-held portion 200 is 25.5-35.5 mm, the height of the hand-held portion 200 is 96.6-106.6 mm, and a portion of each of the battery cells 401 is arranged tangent to the hand-held portion 200. The overall volume of the hand-held portion 200 is small, and the hand-held portion 200 is convenient for the user to hold.

[0059] like Figures 11 to 13 As shown, in one embodiment, the handheld part 200 includes a side cover 101 and a bottom cover 102, that is, the hand shell 10 includes a side cover 101 and a bottom cover 102. The bottom cover 102 is detachably connected to the side cover 101, and the bottom cover 102 is provided with the first vent 1021.

[0060] The above detailed description is only an explanation of the preferred embodiment of the present application, and does not limit the patent scope of the present application. Therefore, all equivalent technical changes made by using the description and illustrations of this creation are included in the patent scope of this creation.

Claims

1. An air outlet component, characterized in that: include: A housing, comprising a first section and a second section connected to each other, wherein the second section is located behind the first section; A drive assembly is arranged in the first section, the drive assembly includes a cylinder, a motor and a fan, the cylinder includes an outer ring portion, an inner ring portion, and a plurality of connecting blades connecting the outer ring portion and the inner ring portion, the fan is arranged in the outer ring portion and at the rear side of the inner ring portion, and the motor is arranged in the inner ring portion; The side surface of the second section is ring-shaped with a plurality of air inlets, and the front end of the first section is for air outlet.

2. The air outlet component according to claim 1, characterized in that: The length of the first section is greater than or equal to the length of the second section; the air inlets are circular holes and / or regular polygonal holes, and the aperture size of each air inlet is 0.8-2mm; a filtering device is provided in the area inside the second section corresponding to the multiple air inlets.

3. The air outlet component according to claim 1, characterized in that: It also includes a support frame, which is accommodated in the shell. The support frame includes a first support part and a second support part connected front and back. The first support part is correspondingly accommodated in the first section, and the second support part is correspondingly accommodated in the second section. The drive assembly is accommodated in the first support part.

4. The air outlet component according to claim 3, characterized in that: A plurality of first matching portions and a plurality of first guiding portions are provided on the outer side of the first supporting portion, and a plurality of second matching portions and a plurality of second guiding portions are correspondingly provided on the inner side of the outer shell. The plurality of first guiding portions and the plurality of second guiding portions cooperate with each other to guide the supporting frame to slide into the outer shell, and the plurality of first matching portions and the plurality of second matching portions cooperate with each other to fix the supporting frame in the outer shell.

5. The air outlet component according to claim 3, characterized in that: The diameter of the second supporting part is smaller than that of the first supporting part. The second supporting part includes a connecting part connected to the first supporting part, a plate part located at the rear side, and a plurality of first columns connecting the connecting part and the plate part.

6. The air outlet component according to claim 5, characterized in that: It also includes a fixing frame, a functional component and a fixing ring, wherein the fixing frame is arranged on the radially outer side of the second supporting portion and on the inner side of the outer shell, the fixing frame includes a first ring, a second ring, and a plurality of second columns connecting the first ring and the second ring, the first ring is arranged on the outer side of the connecting portion, and a plurality of second columns are arranged on the outer sides of a plurality of first columns; the functional component is installed on the rear side of the plate portion, and the second ring is arranged on the outer side of the functional component; the fixing ring includes a first side wall and a second side wall arranged concentrically, and a third side wall connecting the first side wall and the second side wall, the fixing ring is installed on the rear side of the outer shell from back to front, the first side wall is fixedly abutted against the outer shell, the second side wall is fixedly abutted against the functional component, and the first side wall, the second side wall and the third side wall are arranged around the second ring.

7. The air outlet component according to claim 6, characterized in that: The functional component is a lamp, and the functional component includes a light source assembly and a fixing member, wherein the fixing member passes through the light source assembly and is fixed to the plate portion to fix the functional component to the plate portion, and the light source assembly includes a circuit board, an LED light-emitting component and a light-transmitting component, wherein the LED light-emitting component is arranged on the circuit board, and the light-transmitting component cover is arranged on the outside of the circuit board and the LED light-emitting component.

8. A handheld fan, characterized in that: The handheld fan comprises an air outlet component as described in any one of claims 1 to 7, and further comprises a handheld portion, wherein a battery module and a control component are arranged in the handheld portion.

9. The handheld fan according to claim 8, characterized in that: It also includes a first connecting piece, the shell includes a first opening provided at the first section and the second section, and the first connecting piece passes through the first opening from the inner side of the shell and is exposed at the outer side of the shell.

10. The handheld fan according to claim 9, characterized in that: The hand-held part also includes a hand shell and a second connecting piece, the second connecting piece is connected to the upper side of the hand shell, at least part of the second connecting piece is exposed upward and is fixedly connected to the first connecting piece; a first vent is provided at the bottom of the hand shell, and a second vent is provided on the second connecting piece, and air flows into the hand shell from the first vent and enters the air outlet component through the second vent and the first opening.

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