Air circulation fan

Abstract

The utility model relates to an air circulation fan, including fan unit, nose, support unit and base, fan unit includes front fan housing, rear fan housing and fan blade, the front fan housing and the rear fan housing constitute a fan housing, the fan blade is provided in the fan housing inner cavity, the rear fan housing is provided with night lamp; the machine head comprises a fan seat and a connector, the fan seat is fixedly connected with the fan unit, the fan seat is provided with a rotating groove, the connector is clamped in the rotating groove and rotationally connected with the fan seat, and the fan seat can rotate leftwards and rightwards around the connector or rotate up and down along the rotating groove; one end of the supporting unit is connected with the base, the other end of the supporting unit is connected with the connector, and the supporting unit is of a liftable structure. The air circulation fan is simpler in structure, the night use experience of a user is optimized, and indoor air circulation can be better promoted.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to an air circulation fan. Background Art

[0002] Vertical air circulation fans generally have strong wind power, and the airflow they blow out is relatively concentrated, forming an airflow column, which stirs the air through the airflow column so that the air can circulate and circulate. They are generally used in large public and closed places. In addition, air circulation fans are also widely used in air-conditioned rooms, which can circulate the indoor air and achieve indoor temperature balance. The current air circulation fans also usually have a swing function, which can fully stir and circulate the indoor air. It not only has the function of shaking its head left and right, but also has the function of shaking its head up and down, so that the air supply angle can be changed to improve comfort; when using air conditioning, turning on the vertical circulation fan can speed up the flow speed of indoor air in the up and down directions, making the indoor temperature more uniform and better playing the temperature regulation role of the air conditioner. However, the vertical air circulation fan in traditional technology has a complex rotating structure and a large head, which is prone to accidental collision when used at night.

[0003] Therefore, it is necessary to optimize and improve the traditional vertical circulation fan. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide an air circulation fan with a simple head structure and convenient for nighttime use.

[0005] The utility model is realized through the following detailed technical solutions:

[0006] An air circulation fan comprises a fan unit, a head, a support unit and a base, wherein the fan unit comprises a front hood, a rear hood and fan blades, the front hood and the rear hood form a hood, the fan blades are arranged in the inner cavity of the hood, and the rear hood is provided with a night light; the head comprises a fan base and a connecting head, the fan base is fixedly connected to the fan unit, the fan base is provided with a rotating groove, the connecting head is clamped in the rotating groove and rotatably connected to the fan base, and the fan base can rotate left and right around the connecting head or rotate up and down along the rotating groove; one end of the support unit is connected to the base, and the other end is connected to the connecting head, and the support unit is a liftable structure.

[0007] Compared with the prior art, the air circulation fan of the utility model optimizes the head structure. By setting a rotating groove on the fan seat of the head, the rotating structure of the air circulation fan that shakes up and down is adjusted. This structure is smaller in size and simpler in structure. The utility model also reduces the risk of accidental collision when used at night by setting a night light on the rear wind cover. The night light can be used as a night lighting lamp or as an atmosphere lamp, which optimizes the user's night use. The liftable support unit can adjust the convection surface of the air circulation fan, which can make the indoor air circulate more fully and improve the efficiency of air circulation.

[0008] Furthermore, the night light is arranged on one side where the rear air cover is connected to the fan base. The annular night light can be used as a night lighting lamp or as an atmosphere light, which improves the user's comfort at night. When the air circulation fan is used at night, the air cover will rotate upward by 90 degrees, so that the air cover is perpendicular to the support unit and the air outlet is vertically upward. At this time, the night light will emit light downward. The light at this angle makes the room light not too bright, which is more conducive to night use.

[0009] Furthermore, the fan base includes a housing, a main motor, a first rotating member and a first motor; the main motor is arranged in the housing and used to drive the fan blades, the first rotating member is fixedly connected to the housing, and when the first rotating member rotates, the housing rotates accordingly; the first motor is arranged in the first rotating member and can drive the first rotating member to rotate along a vertical plane. The rotating structure of the fan base is simple, which can greatly reduce the volume and weight of the head, thereby avoiding an excessively high center of gravity and improving stability.

[0010] Furthermore, the connector includes a connecting shell, a second motor, a second rotating member and a positioner; the second rotating member and the connecting shell are relatively fixedly connected, and when the second rotating member rotates, the connecting shell rotates accordingly; the second motor can drive the second rotating member to rotate along a horizontal plane, and the positioner is provided with a locking assembly, which can lock or loosen the connector and the support unit. The positioner can stop the operation of the second motor and make the fan at the angle required by the user. Setting the second motor in the connector can not only better cooperate with the fan base, but also further reduce the size and weight of the head. The setting of the positioner makes the adjustment of the head more convenient.

[0011] Furthermore, the fan base is also provided with a controller, which is arranged on the fan base housing and can control the main motor, the first motor and the second motor of the air circulation fan, and further can control the air circulation fan to adjust the fan blade speed, whether to shake left and right, and whether to shake up and down. The controller is integrated on the fan base, which is more convenient for users to operate.

[0012] Furthermore, the first motor and the second motor are stepper motors, which are more stable and less noisy when working, and are more conducive to improving the user's comfort.

[0013] Furthermore, the support unit includes a vertical pole and a lifting rod, the vertical pole is erected on the base, the lifting rod is clamped in the vertical pole and can be lifted and lowered along the vertical pole to adjust the height of the support unit, and the lifting rod is also connected to the connecting head. The design of the vertical pole and the lifting rod makes the support unit more stable in height adjustment, with a larger adjustment range, and more convenient for users to use.

[0014] Furthermore, the air circulation fan further comprises a remote controller, and the remote controller can remotely control the controller. The setting of the remote controller can facilitate the user to remotely control the air circulation fan, and the operation is more convenient.

[0015] Furthermore, a remote control seat is provided in the center of the front wind shield, and the remote control can be magnetically attracted to the remote control seat. The user can remove the remote control to control the air circulation fan as needed, or store the remote control in the remote control seat, or directly operate the remote control on the front wind shield to adjust the air circulation fan, which is more convenient for operation and use.

[0016] Furthermore, a handle is provided on the housing of the fan base, which facilitates the installation of the fan base and can also be used to manually adjust the angle of the fan base.

[0017] In order to better understand and implement the present invention, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the air circulation fan of the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure of an air circulation fan;

[0020] Figure 3 for Figure 1 Schematic diagram of the front windshield structure;

[0021] Figure 4 for Figure 1 A partial enlarged view of the rear air hood and the nose;

[0022] Figure 5 for Figure 1 Schematic diagram of the fan base;

[0023] Wherein: 10: fan unit, 11: front wind shield, 111: front mesh rib, 112: remote control seat, 12: rear wind shield, 121: side wall, 1211: solid section, 1212: mesh rib section, 122: rear net, 123: night light, 13: fan blades, 20: machine head, 21: fan seat, 21A: rotating groove, 211: shell, 2111: handle, 212: main motor, 213: first rotating member, 214: first motor, 215: controller, 2151: control button, 2152: display screen, 22: connector, 221: connecting shell, 222: second motor, 223: second rotating member, 224: positioner, 30: support unit, 31: vertical pole, 32: lifting rod, 40: base. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and effect of the utility model clearer and more specific, the utility model is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] It should be noted that when a component is referred to as being "mounted on", "fixed on" or "disposed on" another component, it may be directly on the other component or there may be a central component at the same time. When a component is referred to as being "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time.

[0026] It should also be noted that the directional terms such as left, right, up, and down in the embodiments of the present invention are merely relative concepts or are based on the normal use status of the product and should not be considered as restrictive.

[0027] See also Figure 1 The utility model provides an air circulation fan, which includes a fan unit 10, a head 20, a support unit 30 and a base 40. The support unit 30 is arranged on the base 40 and is rotatably connected to the head 20, and the fan unit 10 is fixedly connected to the head 20.

[0028] See also Figure 2 The fan unit 10 includes a front wind shield 11, a rear wind shield 12 and a fan blade 13. The front wind shield 11 and the rear wind shield 12 form a wind shield. The fan blade 13 is arranged in the inner cavity of the wind shield through a fixing component. Figure 3The front wind shield 11 is provided with a mesh structure composed of a plurality of front mesh ribs 111. The cross section of the front mesh ribs 111 is trumpet-shaped. Two adjacent front mesh ribs form a trumpet-shaped mesh air outlet. The trumpet mouth of the mesh air outlet is in the same direction as the air outlet. This design can prevent children's fingers from being inserted into the wind shield, thereby avoiding safety accidents. The rear wind shield 12 includes a side wall 121 and a rear net 122. The side wall 121 includes a solid section 1211 connected to the front wind shield 11 and a mesh rib section 1212 connected to the rear net. The solid section 1211 and the rear net 122 can form a relatively closed space when the fan blade is working. When the fan is working normally, turbulent flows with different flow directions from the air outlet direction will be generated in the side wall of the rear wind shield, the air outlet of the front wind shield, and other areas. These turbulent flows will rub and vibrate the wind shield during the flow process, thereby creating a lot of noise. However, the relatively closed space of the present invention can greatly block the turbulent flow and discharge the airflow uniformly from the air outlet direction, thereby reducing noise. The rear net 122 is provided with a night light 123 near the side of the machine head 20. The night light 123 can be used as a night lighting lamp or as an atmosphere lamp.

[0029] Preferably, the night lights 123 are provided in plurality, and the plurality of night lights 123 are arranged around the center of the rear net 122 on one side of the rear net 122 close to the machine head 20. The night lights are LED lights or fluorescent lights.

[0030] The head 20 includes a fan base 21 and a connector 22. The fan base 21 is rotatably connected to the connector 22. The fan base 21 can rotate up and down or left and right around the connector 22. The fan base 21 is connected to the rear air hood 12. Figure 4, the fan base 21 is provided with a rotation groove 21A, the connector 22 is clamped in the rotation groove 21A and is rotationally connected to the fan base 21. Specifically, the fan base 21 includes a shell 211, a main motor 212, a first rotating member 213 and a first motor 214. The main motor 212 is arranged in the shell 211 and is rotationally connected to the fan blade 13. The first rotating member 213 is arranged inside the shell 211 and is fixedly connected to the shell 211. The first motor 214 can drive the first rotating member 213 to rotate along a vertical plane. When the first rotating member 213 rotates up and down, the shell will rotate up and down accordingly, and then the rotation of the fan base will drive the wind cover to rotate up and down. The up and down rotation is a rotation along the vertical direction with the horizontal direction as the axis. The connector 22 includes a connecting shell 221, a second motor 222, a second rotating member 223 and a positioner 224. The second rotating member 222 and the connecting shell 221 are relatively fixedly connected. When the second rotating member 224 rotates, the connecting shell 221 rotates accordingly. The second motor 222 can drive the second rotating member 223 to rotate in a horizontal plane. When the second rotating member 223 rotates, the connecting shell 221 fixedly connected to the second rotating member 223 can also rotate left and right in the horizontal plane. The left and right rotation is a rotation along the horizontal direction with the vertical direction as the axis. The positioner 224 is provided with a locking assembly, which can lock or release the connector 22 and the support unit 30. When the connector 22 and the support unit 30 are locked, the fan base 21 cannot shake left and right. Make the air outlet angle of the fan unit 10 the angle required by the user. Preferably, both the first motor 214 and the second motor 222 are stepping motors.

[0031] See also Figure 5 The fan base 21 is also provided with a controller 215, and the controller 215 is arranged on the housing 211 of the fan base 21. The controller 215 can control the main motor 212, the first motor 214 and the second motor 222 of the air circulation fan, and further control the air circulation fan to adjust the rotation speed of the fan blades 13, whether the fan base 21 shakes left and right, and whether it shakes up and down.

[0032] Preferably, the controller 215 is provided with a plurality of control buttons 2151 and a display screen 2152, wherein the plurality of control buttons 2151 respectively control the power supply, the main motor 212, the first motor 214 and the second motor 222, and the display screen 2152 is used to display the working parameters of the air circulation fan.

[0033] Preferably, a handle 2111 is further provided on the housing 211 of the fan base 21 . The handle 2111 facilitates the installation of the fan base 21 and can also be used to manually adjust the angle of the fan base 21 .

[0034] The support unit 30 includes a vertical rod 31 and a lifting rod 32. The vertical rod 31 is vertically arranged on the base 40. The lifting rod 32 is clamped in the vertical rod 31 and can be lifted and lowered along the vertical rod 31 to adjust the height of the support unit 30. The lifting rod is also connected to the connector. Specifically, the vertical rod 31 is provided with a plurality of slots, and the plurality of slots are arranged at intervals. The lifting rod 32 is provided with a locking tooth matching the slot, and the locking tooth can be clamped in the slot of the vertical rod 31.

[0035] The base 40 is also provided with a plug and a wire, and the plug and the wire are used to connect to a power source.

[0036] The air circulation fan also includes a remote controller (not shown), which can remotely control the controller 215, thereby controlling the air circulation fan to adjust the speed of the fan blades 13, whether the fan base 21 shakes left and right, and whether it shakes up and down. A remote controller base 112 is also provided in the center of the front wind shield 11, and the remote controller base can be adsorbed by the remote controller.

[0037] Preferably, the remote control is provided with a magnetic component, and the magnetic component is a magnetic material or a ferromagnetic metal. The remote control seat 112 is made of a material matching the magnetic component. When the magnetic component is a magnetic material, the remote control seat is made of a ferromagnetic metal. When the magnetic component is a ferromagnetic metal, the remote control seat is made of a magnetic material. As long as the remote control can be fixed to the remote control seat by magnetic attraction. After the user has finished using the remote control, the remote control can be adsorbed on the remote control seat 112 to facilitate the storage of the remote control. In addition, the air circulation fan can be adjusted by directly operating the remote control on the front wind hood 11, and the operation methods are more diverse.

[0038] Compared with the prior art, the air circulation fan of the present application can be used not only as an ordinary vertical fan, but also as an air circulation fan used in conjunction with air. When the air circulation fan is an ordinary vertical fan, it can be realized by controlling the head to rotate left and right. When the air circulation fan is used in conjunction with an air conditioner, the fan unit 10 can be controlled to rotate left and right and up and down at the same time through a remote control or a controller on the head 20, so that the indoor air can be circulated to the maximum extent, and the cooling function of the air conditioner can be fully utilized, which is not only conducive to saving electricity, but also improves the user's comfort. The noise reduction setting of the front air hood 11 cooperates with the night light set on the rear air hood 12 to improve the user's comfort when using at night.

[0039] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and the utility model is also intended to include these modifications and modifications.

Claims

1. An air circulation fan, characterized in that: It includes a fan unit, a head, a support unit and a base, the fan unit includes a front wind cover, a rear wind cover and fan blades, the front wind cover and the rear wind cover form a wind cover, the fan blades are arranged in the inner cavity of the wind cover, and the rear wind cover is provided with a night light; the head includes a fan seat and a connecting head, the fan seat is fixedly connected to the fan unit, the fan seat is provided with a rotating groove, the connecting head is clamped in the rotating groove and rotatably connected to the fan seat, the fan seat can rotate left and right around the connecting head or rotate up and down along the rotating groove; one end of the support unit is connected to the base, and the other end is connected to the connecting head, and the support unit is a liftable structure.

2. The air circulation fan according to claim 1, characterized in that: There are multiple night lights, and the multiple night lights are arranged around one side where the rear wind cover is connected to the fan seat.

3. The air circulation fan according to claim 1, characterized in that: The fan base includes a shell, a main motor, a first rotating member and a first motor; the main motor is arranged in the shell and is used to drive the fan blades, the first rotating member is fixedly connected to the shell, and when the first rotating member rotates, the shell rotates accordingly; the first motor is arranged in the first rotating member and can drive the first rotating member to rotate along a vertical plane.

4. The air circulation fan according to claim 3, characterized in that: The connecting head includes a connecting shell, a second motor, a second rotating member and a positioner; the second rotating member and the connecting shell are relatively fixedly connected, and when the second rotating member rotates, the connecting shell rotates accordingly; the second motor can drive the second rotating member to rotate along a horizontal plane, and the positioner is provided with a locking assembly that can lock or loosen the connecting head and the supporting unit.

5. The air circulation fan according to claim 4, characterized in that: The fan base is also provided with a controller, which is arranged on the fan base housing and can control the main motor, the first motor and the second motor of the air circulation fan.

6. The air circulation fan according to claim 5, characterized in that: The first motor and the second motor are stepper motors.

7. The air circulation fan according to claim 1, characterized in that: The support unit comprises a vertical pole and a lifting rod, wherein the vertical pole is erected on the base, the lifting rod is clamped in the vertical pole and can be lifted and lowered along the vertical pole to adjust the height of the support unit, and the lifting rod is also connected to the connecting head.

8. The air circulation fan according to claim 5, characterized in that: The air circulation fan further comprises a remote controller, which can remotely control the controller.

9. The air circulation fan according to claim 8, characterized in that: A remote control seat is also provided in the center of the front wind shield, and the remote control can be magnetically attracted to the remote control seat.

10. The air circulation fan according to claim 4, characterized in that: The shell of the fan base is also provided with a handle.

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