CN109139522B

CN109139522B - Storable electric fan

Info

Publication number: CN109139522B
Application number: CN201811136242.8A
Authority: CN
Inventors: 唐飞鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2020-02-21
Anticipated expiration: 2038-09-28
Also published as: CN109139522A

Abstract

The invention discloses a storable electric fan, which comprises: the fan head, the supporting rod, the rotating seat and the fixed seat; one end of the supporting rod is connected with the fan head, and the other end of the supporting rod is connected with the rotating seat; the supporting rod has flexibility, the shape of the supporting rod can be changed under the action of external force, and the shape of the supporting rod can be kept consistent with the state under the action of the external force after the external force disappears; the rotary seat is connected with the fixed seat, and can rotate relative to the fixed seat under the action of the driver and the controller; the fixing seat is also provided with an accommodating rod. The electric fan can be quickly and conveniently stored in a smaller space, and a plurality of electric fans can be stacked and stored; the bottom of the electric fan is also provided with a rotary driver, so that the fan head can be freely provided with a left-right circulating wind sweeping angle or continuously rotate to sweep wind in a range of 0-360 degrees.

Description

Storable electric fan

Technical Field

The invention relates to an electric fan, in particular to a foldable electric fan.

Background

The electric fan is an important heatstroke prevention cooling appliance for people in summer, almost every family can use the electric fan, and most families can also have a plurality of electric fans. However, the electric fan is rarely used in spring, autumn and winter except summer, and when the electric fan is not used, the electric fan is troublesome to store, and most of the electric fans are difficult to store, disassemble and assemble at present, and particularly when the electric fan is more, the electric fan causes certain difficulty to a user when the electric fan is stored.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a foldable electric fan, which can be quickly and conveniently folded into a smaller space and can be folded and folded by a plurality of electric fans; the bottom of the electric fan is also provided with a rotary driver, so that the fan head of the electric fan can be freely provided with a circulating wind sweeping angle or continuously rotate to sweep wind within 0-360 degrees.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

can accomodate electric fan includes: the fan head, the supporting rod, the rotating seat and the fixed seat;

the fan head comprises fan blades and a motor;

one end of the supporting rod is connected with the fan head, and the other end of the supporting rod is connected with the rotating seat;

the supporting rod has certain flexibility, so that the fan head can be far away from the rotating seat and is kept in a relatively stable state with the rotating seat under the condition of not being influenced by external force;

the shape of the supporting rod can be changed under the action of external force, and the shape of the supporting rod can be kept consistent with the state under the action of the external force after the external force disappears;

the rotating seat is connected with the fixed seat, a bearing is arranged between the rotating seat and the fixed seat, the rotating seat can rotate relative to the fixed seat, a conductive sliding ring is arranged at the bottom of a cavity of the rotating seat, and the rotating axis of the conductive sliding ring is superposed with the axis of the rotating seat;

a driver is arranged on the inner side of the fixed seat, and a worm is arranged on a rotating shaft of the driver; the side surface of the rotating seat is provided with turbine teeth, and the worm is meshed with the turbine teeth to form a turbine worm pair;

the storage rod is arranged on the fixed seat and is uniformly distributed relative to the center of the fixed seat, and the storage rod can be fixed below the fixed seat.

The fixed seat is provided with a controller which is electrically connected with the driver and the power supply end of the conductive slip ring respectively; the load end of the conductive slip ring is electrically connected with a motor of the fan head; the controller may set the operating parameters of a conventional electric fan, such as: the air quantity and the timing can be set, and the action time and the action direction of the driver can be set so as to control the rotation angle and the rotation speed of the rotating seat and achieve the aim of circularly sweeping air; the rotation angle is set at any angle between 0 and 360 degrees, so that the fan head can circularly sweep air at any angle left and right; or the angle can be set to be unfixed between 0 and 360 degrees in each cycle. For example, the first cycle is 60 degrees of rotation and the second cycle is 120 degrees; it may be configured to continue the unidirectional rotation.

Preferably, the support rod is provided with one or more than one metal or nonmetal corrugated pipes, the cross section of each corrugated pipe is circular or annular or square, the support rod is in a spiral shape, and the interior of at least one corrugated pipe is of a hollow structure.

Preferably, the fan head is also provided with a plurality of clamping holes which are uniformly distributed.

Preferably, one end of each storage rod is provided with a positioning groove and a boss, the other end of each storage rod is provided with a positioning hole and a pin hole, the size of each boss is smaller than that of each positioning hole, and the boss of one storage rod can be inserted into the positioning hole of the other storage rod.

Preferably, the fixing seat of one electric fan can be placed above the fan head of the other electric fan, the boss of the lower accommodating rod is inserted into the positioning hole of the upper corresponding accommodating rod for positioning and fixing, and the electric fans are stacked in this way to complete the accommodating of the electric fans.

Preferably, the controller is provided with a mechanical key or a wireless signal transceiver, or a combination of the two;

preferably, a balancing weight is arranged on the fixed seat.

Preferably, the drive is a reversible motor.

Compared with the prior art, the invention has the beneficial effects that:

the electric fan can be quickly and conveniently stored in a smaller space, and a plurality of electric fans can be stacked and stored; the fan head can be set at any angle between 0 and 360 degrees to circularly sweep the wind or continuously rotate to sweep the wind, and the fan head has higher flexibility.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the rotary seat and the fixed seat;

FIG. 3 is a schematic view of the storage rod;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of the electric fan;

FIG. 6 is a schematic view of a plurality of fans being stacked and stored;

FIG. 7 is an enlarged view of portion B of FIG. 6;

FIG. 8 is a schematic view of a receiving rod;

FIG. 9 is a top view of the rotary base;

FIG. 10 is a cross-sectional view of the swivel;

FIG. 11 is a schematic diagram of a controller connection;

wherein: the fan head 10, the clamping hole 101, the support rod 20, the rotating seat 30, the threading hole 301, the turbine teeth 302, the cavity 303, the fixed seat 40, the clamping groove 401, the driver 41, the controller 42, the worm 43, the accommodating rod 44, the positioning groove 441, the positioning hole 442, the boss 443, the pin hole 444, the pin 45, the bearing 50, the conductive slip ring 60, the power supply end 601 and the load end 602;

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention will be further described with reference to the accompanying drawings and the detailed description below:

as shown in fig. 1, the stowable electric fan includes: the fan head 10, the support rod 20, the rotary base 30 and the fixed base 40;

the fan head 10 includes fan blades and a motor, and the motor drives the fan blades to generate airflow;

one end of the support rod 20 is connected with the fan head 10, and the other end is connected with the rotary seat 30;

the supporting rod 20 has certain flexibility, so that the fan head 10 can be far away from the rotating base 30 and can be kept in a relatively stable state with the rotating base 30 under the condition of not being influenced by external force;

under the action of external force, the shape of the support rod 20 can be changed, and after the external force disappears, the shape of the support rod 20 can be kept consistent with the state under the action of the external force; thus, the height, vertical angle, etc. of the fan head 10 can be arbitrarily adjusted.

As shown in fig. 2, the rotary base 30 is connected to the fixed base 40, a bearing 50 is disposed between the rotary base 30 and the fixed base 40, and the rotary base 30 can perform a rotary motion relative to the fixed base 40;

as shown in fig. 2 and 10, an actuator 41 is disposed inside the fixed seat 40, and a worm 43 is disposed on a rotating shaft of the actuator 41; the side surface of the rotating seat 30 is provided with turbine teeth 302, and the worm 43 is meshed with the turbine teeth 302 to form a turbine-worm pair; after the driver 41 rotates, the rotating base 30 can rotate relative to the fixed base 40 under the action of the turbine worm pair; the bearing 50 can reduce the rotation resistance, so that the operation is more stable;

as shown in fig. 3 and 4, the fixing base 40 is provided with 3 receiving rods 44, and the receiving rods 44 are uniformly distributed with respect to the center of the fixing base 40; a pin hole 444 is formed in one end of the accommodating rod 44, and after a pin 45 is inserted into the pin hole 444, the pin 45 is fixed in the clamping groove 401, so that the accommodating rod 44 can rotate around the pin; the accommodating rod 44 is accommodated below the fixed seat 40 when the electric fan is normally used;

as shown in fig. 2 and 11, the fixed seat 40 is provided with a controller 42, and the controller 42 is electrically connected to the driver 41 and the power source 601 of the conductive slip ring 60 respectively; the load end 602 of the conductive slip ring 60 is electrically connected with the motor of the fan head; the controller 42 may set the operating parameters of a conventional electric fan, such as: the air quantity and timing can be set, and the action time and the action direction of the driver 41 can be set so as to control the rotation angle and the rotation speed of the rotating seat 30 and achieve the purpose of circularly sweeping air; the rotation angle is set at any angle between 0 and 360 degrees, so that the fan head 10 can circularly sweep air at any angle; or the angle can be set to be unfixed between 0 and 360 degrees in each cycle. For example, the first cycle is 60 degrees of rotation and the second cycle is 120 degrees; it may be configured to continue the unidirectional rotation.

Further, the support rod 20 is a metal or nonmetal corrugated pipe, the cross section of which is circular or annular or square, and the shape of which is a conical spiral body; one or more than one wires are arranged, the interior of at least one wire is of a hollow structure, and the wires penetrate through the threading holes 301 and the hollow structure and are used for providing power for a motor of the fan head 10.

Further, as shown in fig. 9 and 10, a conductive slip ring 60 is disposed at the bottom of the cavity 303 of the rotating base 30, and a rotation axis of the conductive slip ring 60 coincides with an axis of the rotating base 30; the load end 602 of the conductive slip ring 60 is positioned inside the cavity 303, and the power supply end 601 is positioned outside the cavity 303; the power end 601 is electrically connected with the controller 42, and the load end 602 is connected with the motor of the fan head 10; the conductive slip ring 60 prevents the wire from being worn or twisted and knotted while the rotary base 30 is rotated.

As shown in fig. 8, the receiving rod 44 has a cylindrical shape, and has a positioning groove 441 and a boss 443 at one end and a positioning hole 442 and a pin hole 444 at the other end; the bosses 443 are smaller in size than the positioning holes 442, so that the bosses 443 of one receiving rod 44 can be inserted into the positioning holes 442 of the other receiving rod 44;

furthermore, as shown in fig. 5, the fan head 10 is further provided with 3 uniformly distributed clamping holes 101, when the electric fan needs to be stored, the storage rod 44 is firstly screwed out from the lower side of the fixing seat 40, the fan head 10 is pressed down by hand, at this time, the support rod 20 is spirally contracted, the fan head 10 faces upwards, and after the fan head is pressed to a proper position, the positioning groove 441 on the storage rod 44 is clamped with the clamping hole 101 on the fan head 10, so that the storage can be completed; the clamping hole 101 is used for facilitating the fixation of the fan head, and in other embodiments, the clamping hole 101 is not provided.

As shown in fig. 6 and 7, when a plurality of electric fans need to be stored, the electric fans are stored individually, then the fixing base 40 of one electric fan is placed on the fan head 10 of the other electric fan, and the bosses 443 of the lower storage rods 44 are inserted into the positioning holes 442 of the upper corresponding storage rods 44 for positioning and fixing, so that the electric fans can be stored in a stacked manner.

Further, the controller 42 is provided with a mechanical key or a wireless signal transceiver, or a combination of the two; the user can set various parameters of the electric fan such as air quantity, timing, left and right circulating wind sweeping angles, left and right circulating wind sweeping speeds and the like through the mechanical key; the wireless signal transceiver device can be one of a Bluetooth device or a WIFI device or a combination of the Bluetooth device and the WIFI device; the user realizes the same function with the mechanical key through the remote tool connected with the wireless signal transceiver.

Furthermore, a balancing weight is arranged on the fixing seat 40 and used for increasing the weight of the bottom, so that the fan head can keep the stability of the electric fan when being placed at any position.

Further, the driver 41 is a reversible motor, which can adapt to frequent and rapid forward and reverse rotation, and the fan head 10 can realize left and right circular wind sweeping under the control of the controller 42.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims

1. An electric fan capable of being accommodated, comprising: the fan head, the supporting rod, the rotating seat and the fixed seat;

the fan head comprises fan blades and a motor;

the supporting rod is flexible, so that the fan head is far away from the rotating seat and keeps a relatively stable state with the rotating seat under the condition of not being influenced by external force;

the shape of the supporting rod can be changed under the action of external force, and the shape of the supporting rod is kept consistent with the state under the action of the external force after the external force disappears;

the rotating seat is connected with the fixed seat, and a bearing is arranged between the rotating seat and the fixed seat; the bottom of the cavity of the rotating seat is provided with a conductive slip ring, and the rotation axis of the conductive slip ring is superposed with the axis of the rotating seat;

the fixed seat is provided with a containing rod, and the containing rod is provided with a plurality of pieces;

the fixed seat is provided with a controller which is electrically connected with the driver and the power supply end of the conductive slip ring respectively; the load end of the conductive slip ring is electrically connected with a motor of the fan head;

the fan head is also provided with a plurality of clamping holes which are uniformly distributed;

one end of the containing rod is provided with a positioning groove and a boss, the other end of the containing rod is provided with a positioning hole and a pin hole, and the size of the boss is smaller than that of the positioning hole;

the fixing seat of one electric fan is placed above the fan head of the other electric fan, the boss of the lower containing rod is inserted into the positioning hole of the upper corresponding containing rod for positioning and fixing, and the electric fans are stacked in sequence to complete the containing of the electric fans.

2. The stowable electric fan of claim 1, wherein: the support rod is provided with one or more than one metal or nonmetal corrugated pipes, the cross section of the support rod is circular or annular or square, the support rod is in a spiral body shape, and the interior of at least one support rod is of a hollow structure.

3. The stowable electric fan of claim 1, wherein: the controller is provided with a mechanical key or a wireless signal transceiving device or a combination of the mechanical key and the wireless signal transceiving device.

4. The stowable electric fan of claim 1, wherein: and the fixed seat is provided with a balancing weight.

5. The stowable electric fan of claim 1, wherein: the drive is a reversible motor.