CN219242259U

CN219242259U - Double-end folding fan

Info

Publication number: CN219242259U
Application number: CN202223611496.5U
Authority: CN
Inventors: 陈伟鸿
Original assignee: Shenzhen Quality Innovation Technology Co ltd
Current assignee: Shenzhen Quality Innovation Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-23
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a double-end folding fan which comprises a base, a telescopic rod, a first fan and a second fan, wherein the first fan and the second fan are in central symmetry by taking a central shaft of the telescopic rod as a symmetrical shaft. According to the utility model, the rotating shafts are arranged at the joints of the first fan and the second fan and the telescopic rod to realize the overturning of the first fan and the second fan, the first fan and the second fan are arranged on the base after overturning, the bottoms of the first fan and the second fan are provided with the arc-shaped grooves for placing the telescopic rod, and the occupied area of the whole device after folding is only the occupied area of the base, so that the device is small in occupied area and convenient to store and carry when going out.

Description

Double-end folding fan

Technical Field

The utility model relates to the technical field of fans, in particular to a double-head folding fan.

Background

The current climate is humid and sultry except winter, and the other three seasons are humid and sultry. Under industrialized environments, greenhouse effect is increasingly serious, and the temperature rises every year in summer. In order to reduce the summer heat, people generally use an electric fan and air conditioning cool air to reduce the indoor temperature. However, if the indoor temperature is not too hot, fans are usually used.

Under the environment that people in summer are more, the fan cannot meet the demands of surrounding people at the same time, the traditional electric fan utilizes the fan blades to blow the wind generated by the fan approximately towards the fan wind in parallel, the wind is limited to a single blowing direction, the air flow formed by the fan is limited to a certain area, the air flow cannot be dispersed, the rotation angle of the fan head of the fan is small, and therefore the wind cannot be sent to all people around at the same time.

For example, chinese patent publication No. CN216278609U discloses a double-ended electric fan which can achieve blowing in two directions by providing two fan heads. The electric fan can solve the problems, but has larger volume, and is inconvenient to store and carry.

The problems are worth solving.

Disclosure of Invention

In order to solve the problems of large size and inconvenient storage and carrying of the existing electric fan, the utility model provides a double-head folding fan.

The technical scheme of the utility model is as follows:

the double-end folding fan comprises a base, a telescopic rod, a first fan and a second fan, wherein the first fan and the second fan are symmetrical in center by taking a central shaft of the telescopic rod as a symmetrical shaft,

the first fan and the second fan are fixed through a connecting part, the connecting part is connected with a connector through a rotating shaft, the connector is spliced with the top end of the telescopic rod,

the base, the first fan and the second fan are the same in shape, arc-shaped grooves used for placing the telescopic rods after being folded are formed in the bottoms of the first fan and the second fan, and the first fan and the second fan are placed on the upper surface of the base after being turned downwards through the rotating shaft.

According to the utility model of the scheme, the angle of the first fan and the second fan turned downwards through the rotating shaft is alpha, and the value range of the alpha is 0-90 degrees.

Further, the base is provided with a containing cavity, a circuit board is arranged in the containing cavity, the first fan and the second fan are electrically connected with the circuit board, and the circuit board controls the first fan and the second fan to operate.

The utility model according to the proposal is characterized in that the bottom end of the telescopic rod extends into the containing cavity and is fixed with the base, the bottom end of the telescopic rod is sleeved with a first gear,

the motor and the battery are electrically connected with the circuit board, the motor is connected with a second gear, and the motor drives the first fan and the second fan to rotate through the first gear and the second gear.

The utility model according to the scheme is characterized in that the base is provided with a USB interface, the USB interface is electrically connected with the circuit board, and the USB interface is used for charging the battery.

Further, the base is provided with a key, the key is electrically connected with the circuit board, and the key is used for controlling the power-on or power-off of the circuit board.

Further, the first fan is provided with a first switch key, the second fan is provided with a second switch key, the first switch key controls the power-off and the power-on of the first fan, and the second switch key controls the power-off and the power-on of the second fan.

Further, the telescopic link includes: the rod bodies are sequentially sleeved from top to bottom, through holes are formed in the rod bodies along the vertical direction, and the locking pieces penetrate through the through holes in the two rod bodies and then lock the two rod bodies.

Further, the upper surface of base be provided with the protrusion in the fastener of the upper surface of base, be provided with on the lateral wall of base and open the button of fastener, first fan with the corresponding position of second fan all be provided with fastener complex bayonet socket.

According to the scheme, the turnover device has the beneficial effects that the turnover of the first fan and the second fan is realized by arranging the rotating shafts at the connection positions of the first fan and the second fan and the telescopic rod, the first fan and the second fan are arranged on the base after the turnover, the bottoms of the first fan and the second fan are provided with the arc-shaped grooves for placing the telescopic rod, the occupied area of the whole device after the folding is only the occupied area of the base, and the device is small in occupied area and convenient to store and carry out.

Drawings

FIG. 1 is a schematic view of a folded state of the present utility model;

FIG. 2 is a schematic view of the structure of the utility model in an unfolded state;

fig. 3 is an enlarged schematic view of the portion a in fig. 2.

In the drawings, the respective reference numerals are as follows:

1. a base; 11. a USB interface; 12. a fastener; 13. a button; 14. a key;

2. a telescopic rod; 21. a rod body; 22. a locking member;

3. a first fan; 31. an arc-shaped groove;

4. a second fan;

5. a connection part;

6. and (5) a connector.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments.

It should be noted that the terms "comprising" and "having" and any variations thereof in the description and claims of the present utility model are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus. The term "disposed" and like terms are to be broadly interpreted, and may be fixedly connected, detachably connected, or integrally formed, for example; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The directions or positions indicated by the terms "upper", "lower", "left", "right", "front", "rear", "bottom", etc. are directions or positions based on those shown in the drawings, and are merely for convenience of description, and are not to be construed as limiting the present technical solution.

As shown in fig. 1-2, a double-end folding fan comprises a base 1, a telescopic rod 2, a first fan 3 and a second fan 4, wherein the first fan 3 and the second fan 4 are centrally symmetrical by taking a central shaft of the telescopic rod 2 as a symmetrical shaft, and the double-end folding fan is characterized in that the first fan 3 and the second fan 4 are fixed through a connecting part 5, the connecting part 5 is connected with a connector 6 through a rotating shaft, the first fan 3 and the second fan 4 can randomly adjust angles, and the connector 6 is spliced with the top end of the telescopic rod 2 and is used for being connected with the telescopic rod 2.

The base 1, the first fan 3 and the second fan 4 are identical in shape, the bottoms of the first fan 3 and the second fan 4 are respectively provided with an arc-shaped groove 31 for placing the telescopic rod 1 after being folded, and the first fan 3 and the second fan 4 are downwards overturned through a rotating shaft and then placed on the upper surface of the base 1.

After the use is finished, the telescopic rod 2 is contracted firstly, then the first fan 3 and the second fan 4 are overturned through the rotating shaft 4 and then are placed on the upper surface of the base 1, at this time, the telescopic rod 2 is positioned at the arc-shaped groove 31 of the first fan 3 or the second fan 4, the first fan 3 and the second fan 4 are attached to the upper surface of the base 1, the occupied area of the whole device is only the occupied area of the base 1, the storage is convenient, the carrying is very convenient, and the telescopic rod can be used when being unfolded when in use.

In the preferred embodiment, the first fan 3 and the second fan 4 are turned down by the rotation shaft at an angle α, and the value of α ranges from 0 ° to 90 °. The first fan 3 and the second fan 4 can both be turned downwards, and the value of alpha is in the range of 0-90 degrees.

In the preferred embodiment, the base 1 is provided with a cavity, a circuit board is arranged in the cavity, the first fan 3 and the second fan 4 are electrically connected with the circuit board, and the circuit board controls the operation of the first fan 3 and the second fan 4. The accommodating cavity is also internally provided with a motor and a battery, the motor and the battery are electrically connected with the circuit board, and the motor is connected with a second gear. The bottom of telescopic link 2 stretches into and holds the intracavity, and is fixed with base 1, and the bottom cover of telescopic link 2 is equipped with first gear, and the motor passes through first gear and second gear and drives first fan 3 and second fan 4 rotation, can drive first fan 3 and second fan 4 and shake the head 180.

In a preferred embodiment, the base 1 is provided with a USB interface 11, the USB interface 11 being electrically connected to a circuit board, the USB interface 11 being used for charging a battery. The base 1 is provided with a key 14, the key 14 is electrically connected with the circuit board, and the key 14 is used for controlling the power on or power off of the circuit board.

In an alternative embodiment, the first fan 3 is provided with a first switch key, the second fan 4 is provided with a second switch key, the first switch key controls the power off and power on of the first fan 3, and the second switch key controls the power off and power on of the second fan 4. The user can select the number of fans to be turned on according to the needs, so that unnecessary electric waste is avoided.

In an alternative embodiment, the telescopic rod 2 comprises: the rod bodies 21 and the locking pieces 22 are sequentially sleeved from top to bottom, the rod bodies 21 are cylindrical, the diameters of the rod bodies 21 are sequentially increased from top to bottom, through holes are vertically formed in the rod bodies 21, and the locking pieces 22 penetrate through the through holes in the two rod bodies 21 and then lock the two rod bodies 21.

The upper surface of base 1 is provided with the fastener 12 that protrudes in the upper surface of base 1, is provided with the button 13 of opening fastener 12 on the lateral wall of base 1, and the corresponding position of first fan 3 and second fan 4 all is provided with the bayonet socket with fastener 12 complex. When the fan is used, after the first fan 3 and the second fan 4 are turned over, the positions of the fasteners 12 and the bayonet are corresponding, and the fasteners 12 and the bayonet can be buckled by slightly pressing the first fan 3 and the second fan 4; when in use, the fastener 12 can be separated from the bayonet by pressing the button 13.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the implementation of the utility model is not limited by the above manner, and it is within the scope of the utility model to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted, or without any improvement.

Claims

1. The double-end folding fan comprises a base, a telescopic rod, a first fan and a second fan, wherein the first fan and the second fan are symmetrical in center by taking a central shaft of the telescopic rod as a symmetrical shaft,

2. The double-ended folding fan according to claim 1, wherein the angle of downward turning of the first fan and the second fan through the rotating shaft is α, and the value of α ranges from 0 ° to 90 °.

3. The double-ended folding fan according to claim 1, wherein the base is provided with a cavity, a circuit board is arranged in the cavity, the first fan and the second fan are electrically connected with the circuit board, and the circuit board controls the operation of the first fan and the second fan.

4. A double-ended folding fan according to claim 3, wherein the bottom end of the telescopic rod extends into the accommodating cavity and is fixed with the base, the bottom end of the telescopic rod is sleeved with a first gear,

5. The double-ended folding fan according to claim 4, wherein the base is provided with a USB interface, the USB interface is electrically connected to a circuit board, and the USB interface is used for charging the battery.

6. The double-ended folding fan according to claim 1, wherein the base is provided with a key, the key is electrically connected with the circuit board, and the key is used for controlling the power-on or power-off of the circuit board.

7. The double-ended folding fan according to claim 1, wherein the first fan is provided with a first switch button, the second fan is provided with a second switch button, the first switch button controls the power-off and power-on of the first fan, and the second switch button controls the power-off and power-on of the second fan.

8. The double-ended folding fan of claim 1 wherein the telescoping rod comprises: the rod bodies are sequentially sleeved from top to bottom, through holes are formed in the rod bodies along the vertical direction, and the locking pieces penetrate through the through holes in the two rod bodies and then lock the two rod bodies.

9. The double-ended folding fan according to claim 1, wherein the upper surface of the base is provided with a fastener protruding from the upper surface of the base, a button for opening the fastener is provided on a side wall of the base, and corresponding positions of the first fan and the second fan are provided with bayonets matched with the fastener.