A fan with head shaking function and an air purifier using the fan

Abstract

The present invention relates to a fan with a head-shaking function, comprising a body, a first air supply part, an oscillating head assembly, a head-shaking head assembly and a second air supply part, wherein the oscillating head assembly drives the head-shaking head assembly and the second air supply part to rotate along the Z axis, and the head-shaking head assembly drives the second air supply part to lift and lower; the first air supply part comprises a first motor, a first fan, a fan bracket and an annular air guide grille, annular air ducts are respectively arranged in the fan bracket and the annular air guide grille, and a groove is also arranged in the annular air guide grille; the head-shaking head assembly comprises an upper joint assembly, a lower joint assembly and a lifting arm, the upper end of the lifting arm is movably connected to the second air supply part, and the lower end thereof is movably connected to the oscillating head assembly, the upper joint assembly drives the second air supply part to rotate around the Y axis, and the lower joint assembly drives the lifting arm to lift and lower. The present invention also discloses an air purifier using the fan. The head-shaking angle of the second air supply part of the present invention reaches 90°, and the head-shaking action and the head-shaking action can be performed synchronously.

Description

Technical Field

[0001] The invention belongs to the technical field of air purifiers, and in particular relates to a fan with a head-shaking function and an air purifier using the fan. Background Art

[0002] The fan tilting angle of the existing air purifier with a tilting fan is limited and cannot reach 90 degrees, and the fan cannot move up and down synchronously when tilting its head. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a fan with a head-shaking function and an air purifier using the fan, wherein the head-shaking angle reaches 90 degrees, and the head-shaking action and the head-shaking action can be performed synchronously.

[0004] The present invention is implemented as follows: a fan with a head-shaking function is provided, comprising a main body, a first air supply part, a head-shaking assembly, a head-shaking assembly and a second air supply part, the first air supply part being arranged on the main body, the head-shaking assembly driving the head-shaking assembly and the second air supply part to rotate along the Z axis, the second air supply part being connected to the head-shaking assembly through the head-shaking assembly, and the head-shaking assembly driving the second air supply part to lift and lower; the first air supply part comprising a first motor, a first fan, a fan bracket and an annular air guide grille, the fan bracket being arranged between the annular air guide grille and the main body, annular air ducts being respectively arranged in the fan bracket and the annular air guide grille, a groove being also arranged in the annular air guide grille, and the first motor being mounted on the fan bracket; the head-shaking assembly comprising an upper joint assembly, a lower joint assembly and a lifting arm, the upper end of the lifting arm being movably connected to the second air supply part, and the lower end thereof being movably connected to the head-shaking assembly, the upper joint assembly driving the second air supply part to rotate around the Y axis, and the lower joint assembly driving the lifting arm to lift and lower.

[0005] Furthermore, the shaking head assembly includes a shaking head motor, a shaking head gear and a shaking head gear ring that mesh with each other, a turntable base and a turntable, the shaking head motor is fixed on the annular air guide grille, the shaking head gear is fixed on the shaking head motor shaft, the shaking head gear ring is arranged on the inner ring of the turntable, the turntable base and the turntable are fixed to each other, a rotating slide groove is arranged on the turntable base, and a sliding screw is arranged in the rotating slide groove. The sliding screw connects the turntable base and the annular air guide grille together, and the shaking head motor drives the turntable base and the turntable to rotate along the sliding screw at the same time through the mutual meshing of the shaking head gear and the shaking head gear ring.

[0006] Furthermore, at least three groups of bearing positioning shafts located on the same circumference are arranged on the annular air guide grille, a bearing is arranged on each bearing positioning shaft, and a slide is arranged on the bottom surface of the turntable base, and each bearing slides along the slide.

[0007] Furthermore, the lower joint assembly includes a lower joint motor and a lower joint gear and a lower joint gear ring that mesh with each other. The lower joint motor is fixed on the turntable, the lower joint gear is arranged on the lower joint motor shaft, a shaft shoulder is arranged at one end of the lower joint gear, the lower joint gear ring is arranged on the lifting arm, and a lower joint rotating shaft is also arranged at the lower end of the lifting arm. A lower joint rotating shaft sleeve is connected to the outer shell of the lower joint rotating shaft, and the lower joint rotating shaft sleeve is fixed on the turntable.

[0008] Furthermore, the upper joint assembly includes an upper joint motor, and an upper joint gear, an upper joint gear set and an upper joint output gear, and an upper joint rotating shaft that are meshed with each other. The upper joint motor is fixed on the lifting arm, and the upper joint gear is arranged on the upper joint motor shaft. The upper joint gear drives the upper joint output gear to rotate through the upper joint gear set. The upper joint output gear is arranged on the upper joint rotating shaft. The upper joint rotating shaft is installed at the upper end of the lifting arm, and the upper joint rotating shaft is connected to the second air supply part.

[0009] Furthermore, the second air supply unit includes a second motor, a second fan, a front air cover, a rear air cover and a fixing plate. The second motor and the rear air cover are respectively fixed on the fixing plate. The second fan is arranged on the second motor shaft and is located between the front air cover and the rear air cover.

[0010] Furthermore, a first anti-hand pinching induction coil is provided on the top periphery of the annular air guide grille.

[0011] Furthermore, a storage groove for placing the lifting arm is provided on the turntable, and a second anti-hand pinching induction coil is provided on the top periphery of the storage groove.

[0012] The present invention is achieved by providing an air purifier in which the fan with the head-shaking function as described above is used.

[0013] Furthermore, an air filter is provided in the air purifier, and the air filter is located directly below the first air supply part. The air outlet of the air filter is connected to the annular air duct of the first air supply part, and the air inlet of the air filter is connected to the air outside the shell through the air guide hole provided on the air filter shell.

[0014] Compared with the prior art, the fan with a shaking head function and the air purifier using the fan of the present invention, by arranging a shaking head component and a lifting head component, the fan has both a shaking head and a lifting head component. The swing angle range of the shaking head component is 0~90°, the lifting head rotation angle range of the lower joint component is 0~90°, and the rotation angle range of the upper joint component is 0~350°. Not only can the lifting head angle reach 90°, the lifting head action and the shaking head action can be performed synchronously, and the fan has a large wind sweeping range, which meets user needs and greatly improves the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a perspective diagram of a preferred embodiment of an air purifier using a fan with a head-shaking function according to the present invention, wherein the second air supply unit is in an initial state of a horizontal position;

[0016] Figure 2 for Figure 1 A three-dimensional schematic diagram of the second air supply part of the air purifier in a raised state;

[0017] Figure 3 for Figure 2 Schematic cross-sectional view of ;

[0018] Figure 4 for Figure 3 An exploded diagram of the fan with the head-shaking function, without the main body;

[0019] Figure 5 for Figure 4 A three-dimensional diagram of the assembled vehicle, lacking the annular air grille;

[0020] Figure 6 for Figure 3 Exploded diagram of the central turntable base, annular air guide grille, and fan bracket;

[0021] Figure 7 Schematic cross-sectional view of a fan with a head-shaking function according to the present invention;

[0022] Figure 8 for Figure 7 Enlarged schematic diagram of M in the middle;

[0023] Figure 9 for Figure 4 Schematic diagram of the turntable in the figure;

[0024] Figure 10 for Figure 3 A three-dimensional schematic diagram of a fan bracket in FIG;

[0025] Figure 11 for Figure 3 A three-dimensional schematic diagram of the annular air guide grille;

[0026] Figure 12 for Figure 3 A three-dimensional schematic diagram of the lower joint assembly in FIG;

[0027] Figure 13 for Figure 3 A three-dimensional schematic diagram of the middle fixing plate;

[0028] Figure 14 for Figure 2 The three-dimensional schematic diagram of the second air supply unit is missing, and the lifting arm is in the raised state;

[0029] Figure 15 for Figure 14 A three-dimensional schematic diagram from another angle shows that the lifting arms are in a folded state. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0031] Figure 1 、 Figure 2 、 Figure 3 、 Figure 14 and Figure 15 These are schematic diagrams of air purifiers equipped with fans with an oscillating head function.

[0032] Please also refer to Figures 3 to 13 As shown in the figure, a preferred embodiment of a fan with an oscillating head function according to the present invention comprises a main body 1, a first air supply unit 2, an oscillating head assembly 3, an upward-lifting assembly 4, and a second air supply unit 5. The first air supply unit 2 is mounted on the main body 1, and the oscillating head assembly 3 drives the upward-lifting assembly 4 and the second air supply unit 5 to rotate along the Z axis. The second air supply unit 5 is connected to the oscillating head assembly 3 via the upward-lifting assembly 4, which drives the second air supply unit 5 to rise and fall.

[0033] The first air supply unit 2 includes a first motor 21, a first fan 22, a fan bracket 23 and an annular air guide grille 24. The first motor 21 drives the first fan 22 to operate. The fan bracket 23 and the annular air guide grille 24 are mounted on the main body 1, and the fan bracket 23 is arranged between the annular air guide grille 24 and the main body 1. An annular air duct 25 is respectively arranged in the fan bracket 23 and the annular air guide grille 24, and a groove 26 is also arranged in the annular air guide grille 24. The first motor 21 is mounted on the fan bracket 23 by the first motor screw 26. The groove 26 is arranged in the middle of the top of the annular air guide grille 24, and the shaking head component 3 and the head raising component 4 are arranged in the groove 26.

[0034] The oscillating assembly 3 includes an oscillating motor 31, a meshing oscillating gear 32 and a oscillating ring gear 33, a turntable base 34, and a turntable 35. The oscillating motor 31 is secured to the annular air guide grille 24 via oscillating motor screws. The annular air guide grille 24 is provided with oscillating motor mounting holes 213. The oscillating gear 32 is secured to the oscillating motor shaft, and the oscillating ring gear 33 is mounted on the inner ring of the turntable 35. The turntable base 34 and turntable 35 are secured to each other via turntable screws.

[0035] A rotating chute 37 is provided on the turntable base 34, and a sliding screw 38 is provided in the rotating chute 37. The sliding screw 38 connects the turntable base 34 to the annular air guide grille 24. In this embodiment, three rotating chute 37 sections are provided on the turntable base 34, located on the same circumference, and a sliding screw 38 is provided in each rotating chute 37 section. The oscillating motor 31 drives the turntable base 34 and the turntable 35 to rotate simultaneously along the sliding screw 38 through the mutual engagement of the oscillating gear 32 and the oscillating ring gear 33. A sliding gasket 36 is provided between the contact surface of the sliding screw 38 and the turntable base 34. This not only reduces the frictional resistance of the turntable base 34 during rotation, but also limits the turntable base 34 in the upper and lower positions, thereby improving the smoothness of the turntable base 34 during rotation.

[0036] Please also refer to Figure 6 、 Figures 7 and 8 As shown, at least three sets of bearing positioning shafts 27 are arranged on the same circumference on the annular air guide grille 24, and a bearing 28 is arranged on each bearing positioning shaft 27. A slide 39 is provided on the bottom surface of the turntable base 34, and each bearing 28 slides along the slide 39. This structure can ensure the rotational concentricity of the annular air guide grille 24 and the turntable base 34, reducing eccentricity.

[0037] Bearing 26 is interference-fitted onto bearing locating shaft 27. Bearing locating shaft 27 is installed in through-hole 11 of annular air guide grille 24, and extends through through-hole 29. An interference fit exists between bearing locating shaft 27 and through-hole 29. Bearing locating shaft 27 is provided with a locating shaft shoulder 210, which rests against the bottom surface of annular air guide grille 24.

[0038] The fan bracket 23 is provided with a support platform 211. The support platform 211 is supported on the bottom surface of the bearing positioning shaft 27 to prevent the bearing positioning shaft 27 from loosening.

[0039] A convex ring 212 is provided on the annular air guide grille 24 . The convex ring 212 is provided on the top surface of the annular air guide grille 24 and is located at the top of each through hole 29 . The inner ring 281 of the bearing 28 abuts against the convex ring 212 .

[0040] A step 312 is further provided on the turntable base 34 . The step 312 is located on the bottom surface of the slideway 39 , and the step 312 presses against the outer ring 282 of the bearing 28 .

[0041] The lift assembly 4 includes an upper joint assembly 41, a lower joint assembly 42, and a lifting arm 43. The upper end of the lifting arm 43 is movably connected to the second air supply unit 5, and the lower end is movably connected to the oscillating assembly 3. The upper joint assembly 41 drives the second air supply unit 5 to rotate about the Y-axis, while the lower joint assembly 42 drives the lifting arm 43 to rise and fall. The Z-axis coincides with the rotation axis of the first fan 22, and the Y-axis is perpendicular to the Z-axis and extends outward.

[0042] Please refer to Figure 12 As shown, the lower joint assembly 42 includes a lower joint motor 421 and a lower joint gear 422 and a lower joint gear ring 423 that mesh with each other. The lower joint motor 421 is fixed to the turntable 35 by the lower joint motor screws and the motor cover 424, and the lower joint gear 422 is arranged on the lower joint motor shaft. A gear shoulder 425 is provided at one end of the lower joint gear 422. In this embodiment, a shoulder bearing 426 is sleeved on the gear shoulder 425 so that the shoulder 425 rotates more smoothly. A support block 427 is provided below the shoulder bearing 426 to support the shoulder bearing 426, otherwise, the support block 427 directly supports the gear shoulder 425. The support block 427 plays a supporting role to prevent the lower joint gear 422 from moving downward when the lifting arm 43 is subjected to a large force, thereby affecting the lifting and lowering accuracy of the lifting arm 43.

[0043] The lower joint gear ring 423 is mounted on the lifting arm 43, and two coaxial lower joint shafts 4210 are also mounted at the lower end of the lifting arm 43. In this embodiment, a lower joint bearing 428 is sleeved onto each lower joint shaft 4210, allowing for smoother rotation of the lower joint shaft 427. A lower joint shaft sleeve 429 is sleeved onto each lower joint bearing 428. Otherwise, the lower joint shaft sleeve 429 is directly sleeved onto the lower joint shaft 427. The lower joint shaft sleeve 429 is secured to the turntable 35 via sleeve screws.

[0044] The lower joint motor 421 drives the lifting arm 43 to rotate about the lower joint shaft 427 via the meshing lower joint gear 422 and the lower joint ring gear 423, thereby raising and lowering the lifting arm 43. A lower joint torsion spring 4211 is also provided on the lower joint shaft 427. The lower joint torsion spring 4211 applies downward pressure to reduce the amount of shaking of the lifting arm 43 during raising and lowering.

[0045] The upper joint assembly 41 includes an upper joint motor 411, and an upper joint gear 412, an upper joint gear set 413, an upper joint output gear 414, and an upper joint rotating shaft 415 that are meshed with each other. The upper joint motor 411 is fixed on the lifting arm 43, and the upper joint gear 412 is arranged on the upper joint motor shaft. The upper joint gear 412 drives the upper joint output gear 414 to rotate through the upper joint gear set 413. The upper joint output gear 414 is arranged on the upper joint rotating shaft 415. The upper joint rotating shaft 415 is installed at the upper end of the lifting arm 43, and the upper joint rotating shaft 415 is connected to the second air supply part 5. An upper joint bearing 416 is sleeved on the upper joint rotating shaft 415 to reduce the rotational friction resistance between the lifting arm 43. Two joint bearings 416 are respectively arranged at both ends of the upper joint rotating shaft 415.

[0046] The upper joint motor 411 drives the second air supply unit 5 to rotate about the upper joint shaft 415 via the intermeshing upper joint gear 412, upper joint gear assembly 413, and upper joint output gear 414. An upper joint torsion spring 417 is also mounted on the upper joint shaft 415. The upper joint torsion spring 417 applies upward pressure, reducing the force required by the motor to raise the second air supply unit 5 and minimizing the amount of shaking during lifting and lowering.

[0047] Please refer to Figure 3 and Figure 4 As shown, the second air supply unit 5 is used to blow the air from the annular air guide grille 24 to a further area and a larger range. The second air supply unit 5 includes a second motor 51, a second fan 52, a front air cover 53, a rear air cover 54, an outer cover 56, and a fixing plate 57. The second motor 51 and the rear air cover 54 are respectively fixed to the fixing plate 57. The second fan 52 is arranged on the second motor shaft and is located between the front air cover 53 and the rear air cover 54. The front air cover 53 is mounted on the rear air cover 54, and the outer cover 56 is mounted on the front air cover 53.

[0048] A square shaft section 418 is further provided in the middle of the upper joint shaft 415 , and a square hole 58 matching the square shaft section 418 is provided on the fixing plate 57 of the second air supply unit 5 .

[0049] A receiving slot 310 for accommodating the lifting arm 43 is further provided on the turntable 35 , a turntable cover 311 is provided on the top surface of the turntable 35 , and a left lifting arm cover 431 and a right lifting arm cover 432 are provided on both sides of the lifting arm 43 .

[0050] A first anti-pinch induction coil 7 is provided on the top periphery of the annular air guide grille 24. A second anti-pinch induction coil 8 is provided on the top periphery of the storage slot 310. The first anti-pinch induction coil 7 and the second anti-pinch induction coil 8 are respectively connected to the main control system (not shown in the figure) for signal communication. The first anti-pinch induction coil 7 and the second anti-pinch induction coil 8 respectively sense the hands entering the area and feed back the sensing signals to the main control system, which controls the start or shut down of the head lift assembly 4. The provision of the first anti-pinch induction coil 7 and the second anti-pinch induction coil 8 provides double safety protection for the fan, preventing the head lift assembly 4 and the second air supply part 5 from pinching the user's fingers during the descent process, thereby greatly improving its safety.

[0051] The present invention also discloses an air purifier, in which the fan with the head shaking function as described above is used.

[0052] Please also refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 14 and Figure 15 As shown. An air filter 6 is provided in the air purifier, and the air filter 6 is located directly below the first air supply unit 2. The air outlet of the air filter 6 is connected to the annular air duct 25 of the first air supply unit 2, and the air inlet of the air filter 6 is connected to the air outside the housing 9 through the air guide hole 10 provided on the air filter housing 9. The air outside the housing 9 enters the air filter 6 through the air guide hole 10, and the air flow after being filtered by the air filter 6 is blown to the second air supply unit 5 through the first air supply unit 2, and then dispersed to a farther range by the second air supply unit 5. As shown Figure 3 As shown, the arrow line in the figure indicates the direction of air flow in the air purifier.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fan with a shaking head function, characterized in that: It includes a main body, a first air supply part, an oscillating head assembly, a lifting assembly and a second air supply part, the first air supply part is arranged on the main body, the oscillating head assembly drives the lifting assembly and the second air supply part to rotate along the Z axis, the second air supply part is connected to the oscillating head assembly through the lifting assembly, and the lifting assembly drives the second air supply part to lift and fall; the first air supply part includes a first motor, a first fan, a fan bracket and an annular air guide grille, the fan bracket is arranged between the annular air guide grille and the main body, annular air ducts are respectively arranged in the fan bracket and the annular air guide grille, a groove is also arranged in the annular air guide grille, and the first motor is installed on the fan bracket; the lifting assembly includes an upper joint assembly, a lower joint assembly and a lifting arm, the upper end of the lifting arm is movably connected to the second air supply part, and the lower end thereof is movably connected to the oscillating head assembly, the upper joint assembly drives the second air supply part to rotate around the Y axis, and the lower joint assembly drives the lifting arm to lift and fall; The shaking assembly includes a shaking motor, a shaking gear and a shaking gear ring that mesh with each other, a turntable base and a turntable, the shaking motor is fixed on the annular air guide grille, the shaking gear is fixed on the shaking motor shaft, the shaking gear ring is arranged on the inner ring of the turntable, the turntable base and the turntable are fixed to each other, a rotating slide groove is arranged on the turntable base, a sliding screw is arranged in the rotating slide groove, the sliding screw connects the turntable base and the annular air guide grille together, and the shaking motor drives the turntable base and the turntable to rotate along the sliding screw at the same time through the mutual meshing of the shaking gear and the shaking gear ring; The lower joint assembly includes a lower joint motor and a lower joint gear and a lower joint gear ring that mesh with each other. The lower joint motor is fixed on the turntable. The lower joint gear is arranged on the lower joint motor shaft. A gear shoulder is arranged at one end of the lower joint gear. The lower joint gear ring is arranged on the lifting arm. A lower joint rotating shaft is also arranged at the lower end of the lifting arm. A lower joint rotating shaft sleeve is connected to the outer shell of the lower joint rotating shaft. The lower joint rotating shaft sleeve is fixed on the Turntable superior; At least three groups of bearing positioning shafts located on the same circumference are arranged on the annular air guide grille, a bearing is arranged on each bearing positioning shaft, a slideway is arranged on the bottom surface of the turntable base, and each bearing slides along the slideway.

2. The fan with a head-shaking function as claimed in claim 1, characterized in that: The upper joint assembly includes an upper joint motor, and mutually meshing upper joint gears, an upper joint gear set, an upper joint output gear, and an upper joint rotating shaft. The upper joint motor is fixed on the lifting arm, and the upper joint gear is arranged on the upper joint motor shaft. The upper joint gear drives the upper joint output gear to rotate through the upper joint gear set. The upper joint output gear is arranged on the upper joint rotating shaft. The upper joint rotating shaft is installed at the upper end of the lifting arm, and the upper joint rotating shaft is connected to the second air supply part.

3. The fan with head-shaking function as claimed in claim 1, characterized in that: The second air supply unit includes a second motor, a second fan, a front air cover, a rear air cover and a fixing plate. The second motor and the rear air cover are fixed on the fixing plate respectively. The second fan is arranged on the second motor shaft and is located between the front air cover and the rear air cover.

4. The fan with a head-shaking function as claimed in claim 1, characterized in that: A first hand-pinch prevention induction coil is arranged on the top periphery of the annular air guide grille.

5. The fan with head-shaking function as claimed in claim 1, characterized in that: A storage groove for accommodating the lifting arm is also arranged on the rotating disk, and a second anti-hand pinching induction coil is arranged on the top periphery of the storage groove.

6. An air purifier, characterized in that: The fan with a head shaking function as described in any one of claims 1 to 5 is used in the air purifier.

7. The air purifier according to claim 6, characterized in that: An air filter is provided in the air purifier, and the air filter is located directly below the first air supply part. The air outlet of the air filter is connected to the annular air duct of the first air supply part, and the air inlet of the air filter is connected to the air outside the shell through the air guide hole provided on the air filter shell.

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