A multifunctional table fan

Abstract

The utility model provides a kind of multifunctional desktop fan, including base and top shell, the bottom of top shell both ends are provided with fan frame, the inside of fan frame is equipped with fan, and front cover is installed in air outlet, front cover inside is equipped with the spiral propeller-like flow guide piece that can be driven by airflow, the tail end of fan frame is equipped with spray assembly, and rear decorative piece is installed in the outside close to spray assembly;Spray assembly includes water tank, one end of water tank is sealingly connected with sealing cover, sealing cover is connected with the tail end of fan frame by magnetic attraction connector;The other end of water tank is provided with spray port, and spray port inside is equipped with atomizing piece;The outside of spray port is equipped with circuit board two, atomizing piece is electrically connected with circuit board two, circuit board two is annular pattern, and multiple groups of lamp beads are installed at one side equiangularly.The utility model is by adopting the overall modeling design of imitation jet passenger plane engine, significantly improves the visual attraction of product.

Description

Technical Field

[0001] This utility model belongs to the field of desktop fan technology, and more specifically, it relates to a multifunctional desktop fan. Background Technology

[0002] It is used on workbenches or other flat surfaces. It uses a motor to drive the fan blades to rotate, accelerating air circulation and providing direct localized airflow to individuals or small areas to achieve heat dissipation, cooling, or promote air circulation. It is widely used in personal spaces such as offices, schools, and homes.

[0003] Currently, most mainstream desktop fans suffer from simple structural designs and limited functionality, confined to basic airflow. Their appearance often lacks appeal and design flair, their interaction methods are monotonous, and they lack elements to enhance enjoyment or visual appeal, resulting in poor aesthetics and playability in daily use. Therefore, this paper researches and improves upon existing structures and shortcomings to provide a multifunctional desktop fan with greater practical value. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a multifunctional desktop fan, which is achieved by the following specific technical means: A multifunctional desktop fan includes a base and a top shell. Both ends of the bottom of the top shell have fan frames, each containing a fan. A front cover is installed at the air outlet, and a propeller-shaped air guide is installed inside the front cover. A spray assembly is installed at the tail end of each fan frame, and a rear decorative piece is installed near the outer side of the spray assembly. The overall design resembles the engine of a jet airliner, offering good aesthetics. The spray assembly includes a water tank, one end of which is sealed with a cap. The cap is connected to the tail end of the fan frame via a magnetic connector. The other end of the water tank has a spray nozzle, inside which an atomizing plate is installed. A second circuit board is fitted around the outside of the spray nozzle, and the atomizing plate is electrically connected to the second circuit board. The second circuit board is ring-shaped, with multiple LEDs installed at equal angles on one side.

[0005] Furthermore, a spray head is connected to one end of the water tank via fasteners, and the spray head covers the circuit board inside it. A through hole is provided on one side of the spray head to expose the LED beads.

[0006] Furthermore, one side of the sealing cover is connected to an outer cover by fasteners, and the water tank and spray head are both located inside the outer cover; one end of the spray head is provided with a spray nozzle, and one end of the spray nozzle extends out from one end of the outer cover.

[0007] Furthermore, a water inlet is provided on one side of the sealing cap, and a sealing plug is connected inside the water inlet.

[0008] Furthermore, a support column is provided on the top of the base, and a connection port is provided at the center of the bottom end of the top shell. The top of the support column passes through the connection port and is connected to a connector by fasteners. Rotating shafts are symmetrically arranged on both sides of the connector, and an arc-shaped groove for connecting the rotating shaft is provided on the top side of the connection port. A clamping member is installed on the top of the top shell near the connection port by fasteners. The clamping member is installed on the top of the connector, and arc-shaped grooves for connecting the rotating shaft are symmetrically arranged on both sides of the bottom of the clamping member. A top cover is connected to the top of the top shell by fasteners.

[0009] Furthermore, a circuit board and a battery are fixedly installed inside the base; two sets of toggle switches are installed on the top of the circuit board, and a push-pull potentiometer is provided near the two sets of toggle switches; an indicator light is installed on one side of the circuit board near the two sets of toggle switches; a through hole is provided on the top of the base at the position of the corresponding toggle switch for its lever to extend; a push-pull handle is rotatably installed on the top of the base at the position of the corresponding push-pull potentiometer, and the bottom end of the push-pull handle is fixedly connected to the adjustment handle of the push-pull potentiometer; a through hole is provided on the top of the base at the position of the corresponding indicator light for it to be exposed.

[0010] Furthermore, an LED light strip is fixedly embedded on the front of the support column, and the LED light strip is electrically connected to the circuit board.

[0011] Furthermore, the magnetic connector includes a circular magnetic male end and a circular magnetic female end that are connected to each other. The circular magnetic male end is fixedly installed at the center of the sealing cover, and the circular magnetic female end is fixedly installed at the center of the tail end of the fan frame. The circular magnetic male end is electrically connected to the circuit board via a wire, and the circular magnetic female end is electrically connected to the circuit board via a wire.

[0012] Furthermore, the circuit board is electrically connected to the battery and the fan via wires; a base plate is fixedly connected to the bottom of the base, and multiple sets of anti-slip pads are adhered to the bottom of the base plate.

[0013] Furthermore, a charging connector is installed on one side of the base, and the charging connector is electrically connected to the circuit board.

[0014] Compared with the prior art, the present invention has the following beneficial effects: This invention significantly enhances the product's visual appeal by adopting an overall design inspired by a jet airliner engine (comprising a fan frame, front cover, propeller-shaped air guide, spray assembly, and rear decorative parts). Simultaneously, the propeller-shaped air guide at the air outlet simulates the dynamic effect of real engine blades, adding to the product's visual appeal. The magnetically connected spray assembly not only allows for easy disassembly, cleaning, and water filling but also cleverly combines spraying with light emission. When the spray assembly is working, the ring-shaped LED beads emit a halo of light through the spray nozzle's through-hole, creating a dreamlike ambient lighting effect. LED strips on the support column further enhance the visual depth. The multi-angle suspension adjustment structure between the base support column and the top shell, combined with the integrated control panel and built-in battery power supply, greatly improves the product's functionality, ease of operation, and flexibility. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model. Figure 1 .

[0016] Figure 2 This is a schematic diagram of the overall structure of this utility model. Figure 2 .

[0017] Figure 3 This is a disassembly diagram of the utility model. Figure 1 .

[0018] Figure 4 This is a disassembly diagram of the utility model. Figure 2 .

[0019] Figure 5 This is a disassembly diagram of the spray assembly of this utility model. Figure 1 .

[0020] Figure 6 This is a disassembly diagram of the spray assembly of this utility model. Figure 2 .

[0021] In the diagram, the correspondence between component names and drawing numbers is as follows: 1. Base; 2. Top shell; 3. Fan frame; 4. Front cover; 5. Fan; 6. Propeller-shaped air guide; 7. Spray assembly; 8. Rear trim; 9. Push-pull potentiometer; 10. Toggle switch; 11. Circuit board one; 12. Battery; 13. Push-pull handle; 14. LED light strip; 15. Indicator light; 16. Charging connector; 101. Base plate; 102. Support column; 201. Top cover; 202. Connector; 203. Clamping component; 701. Water tank; 702. Sealing cover; 703. Atomizing plate; 704. Circuit board 2; 705. Spray head; 706. Outer cover; 707. Magnetic connector; 708. Sealing plug; 709. LED bead. Detailed Implementation

[0022] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0023] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Example:

[0026] As attached Figure 1 To be continued Figure 6 As shown: This utility model provides a multifunctional desktop fan, including a base 1 and a top shell 2. Both ends of the bottom of the top shell 2 are provided with fan frames 3, and fans 5 are installed inside each fan frame 3. A front cover 4 is installed at the air outlet. A propeller-shaped air guide 6, driven by airflow, is installed inside the front cover 4. A spray assembly 7 is installed at the tail end of each fan frame 3, and a rear decorative piece 8 is installed on the outer side near the spray assembly 7. The dual-fan design provides a stronger or wider airflow range. The propeller-shaped air guide 6 inside the front cover 4 rotates under the action of airflow, creating a dynamic visual effect that simulates the working state of jet engine blades, significantly enhancing the product's fun and aesthetic appeal. The spray assembly 7 provides a humidification function. The rear decorative piece 8 complements the overall design (jet engine style), improving the product's visual integrity and aesthetics. The spray assembly 7 includes a water tank 701, one end of which is sealed with a sealing cap 70. 2. The sealing cover 702 is connected to the tail end of the fan frame 3 via a magnetic connector 707; the other end of the water tank 701 is provided with a spray nozzle, and an atomizing plate 703 is installed inside the spray nozzle; a second circuit board 704 is fitted on the outside of the spray nozzle, and the atomizing plate 703 is electrically connected to the second circuit board 704. The second circuit board 704 is ring-shaped, and multiple sets of LED beads 709 are installed at equal angles on one side. The magnetic connector 707 provides excellent convenience, allowing the spray assembly 7 to be easily and quickly removed and installed from the fan body, greatly facilitating the addition or replacement of water in the water tank 7; the atomizing plate 703 is an ultrasonic atomizing plate, which is a key component for generating ultra-fine water mist; the ring-shaped second circuit board 704 and the LED beads 709 on it provide a surrounding lighting effect for the spray nozzle. When the spray is activated, the combination of light and water mist can create a dreamy ambient light effect, enhancing the visual enjoyment and technological feel of the product.

[0027] One end of the water tank 701 is connected to a spray head 705 via fasteners, and the spray head 705 covers the circuit board 704 inside it. A through hole is provided on one side of the spray head 705 to expose the LED beads 709. The spray head 705 plays an integration and protection role, wrapping the ring light panel 704 inside to form a neat appearance. At the same time, the through hole on the side allows the light emitted by the LED beads 709 to be transmitted precisely, ensuring that the light emission effect is concentrated, bright and directionally controllable, thus optimizing the performance of the ambient lighting effect.

[0028] The sealing cover 702 is connected to an outer cover 706 on one side by fasteners. The water tank 701 and the spray head 705 are both located inside the outer cover 706. One end of the spray head 705 is provided with a spray nozzle, and one end of the spray nozzle extends out from one end of the outer cover 706. The outer cover 706 provides the final protective shell and unified visual shape for the spray assembly 7, integrating and encapsulating the water tank 701 and the spray head 705, making the spray assembly 7 more regular, beautiful and durable. The spray nozzle extending out of the outer cover ensures the effective output of the spray function, and the outer cover also plays a role in guiding the spray direction.

[0029] The sealing cap 702 has a water inlet on one side, and a sealing plug 708 is connected inside the water inlet, which makes it convenient for users to directly fill water into the water tank 701, making the operation convenient; the sealing plug 708 ensures the sealing of the water inlet, effectively preventing water from leaking from the water inlet, and ensuring the safety and reliability of use.

[0030] The base 1 has a support column 102 at its top, and the bottom center of the top shell 2 has a connection port. The top of the support column 102 passes through the connection port and is connected to a connector 202 by fasteners. The connector 202 has symmetrically arranged rotating shafts on both sides, and the top side of the connection port has an arc-shaped groove for connecting to the rotating shafts. The top shell 2 has a clamping member 203 fastened to its top near the connection port. The clamping member 203 is installed on top of the connector 202, and its bottom sides have symmetrically arranged grooves for connecting to the rotating shafts. The top of the top shell 2 is connected to the arc-shaped groove of the shaft connection; the top cover 201 is connected to the top of the top shell 2 by fasteners; the rotating shaft of the connector 202 cooperates with the connecting port and the arc-shaped groove on the clamping member 203 to form a stable and reliable rotating shaft structure. The clamping member 203 clamps the connector 202 by fasteners, which can adjust the damping force of the rotating shaft sliding in the arc-shaped groove, thereby realizing the multi-angle suspension adjustment of the top shell 2 relative to the base 1 within a certain angle range. Users can flexibly adjust the direction of air supply and spray as needed, which significantly improves the applicability of the product and the user experience.

[0031] The base 1 contains a circuit board 11 and a battery 12. Two sets of toggle switches 10 are mounted on the top of the circuit board 11, and a push-pull potentiometer 9 (a toy model airplane handle potentiometer, model RKJXV122400R, with a microswitch) is positioned between the two sets of toggle switches 10. Indicator lights 15 are mounted on one side of the circuit board 11 near each of the two sets of toggle switches 10. The top of the base 1 has through holes at the corresponding positions of the toggle switches 10 for their levers to extend. A push-pull handle 13 is rotatably mounted on the top of the base 1 at the corresponding position of the push-pull potentiometer 9, and the bottom end of the push-pull handle 13 is fixedly connected to the adjustment handle of the push-pull potentiometer 9. The top of the base 1 also has through holes at the corresponding positions of the indicator lights 15 for them to be exposed. Two sets of toggle switches 10 are used to control the lights; the push-pull potentiometer 9 is used to control the spray and adjust the fan speed, specifically, pressing down controls the spray and pushing and pulling adjusts the fan speed.

[0032] Among them, an LED light strip 14 is fixedly embedded on the front of the support column 102, and the LED light strip 14 is electrically connected to the circuit board 11. The design of embedding the LED light strip 14 into the support column 102 not only adds a striking decorative light strip to the product, enhancing the overall visual hierarchy and technological feel, but also plays a certain role in environmental lighting or atmosphere creation at night, further enhancing the product's aesthetic value.

[0033] The magnetic connector 707 includes a circular magnetic male end and a circular magnetic female end that are connected to each other. The circular magnetic male end is fixedly installed at the center of the sealing cover 702, and the circular magnetic female end is fixedly installed at the center of the tail end of the fan frame 3. The circular magnetic male end is electrically connected to the second circuit board 704 through a wire. The circular magnetic female end is electrically connected to the first circuit board 11 through a wire.

[0034] The circuit board 11 is electrically connected to the battery 12 and the fan 5 via wires; the bottom of the base 1 is fixedly connected to the base plate 101, and multiple anti-slip pads are glued to the bottom of the base plate 101; the base plate 101 provides a stable foundation for the base 1, and the anti-slip pads at the bottom effectively increase the friction when the product is placed, preventing the fan from sliding or tipping over due to vibration or contact during use, thus ensuring safety and stability during use.

[0035] The base 1 has a charging connector 16 installed on one side, and the charging connector 16 is electrically connected to the circuit board 11. The charging connector 16 is used to connect to an external power source to charge the built-in battery 12, so that users can replenish the power of the device at any time and ensure the continuous use of the product.

[0036] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A multifunctional desktop fan, comprising a base (1) and a top shell (2), wherein fan frames (3) are provided at both ends of the bottom of the top shell (2), a fan (5) is installed inside each fan frame (3), and a front cover (4) is installed at the air outlet, wherein a propeller-shaped air guide (6) that can be driven by airflow is installed inside the front cover (4), characterized in that: The fan frame (3) is equipped with a spray assembly (7) at its tail end, and a rear decorative piece (8) is installed on the outside of the spray assembly (7). The spray assembly (7) includes a water tank (701), one end of which is sealed with a sealing cap (702). The sealing cap (702) is connected to the tail end of the fan frame (3) via a magnetic connector (707). The other end of the water tank (701) is provided with a spray nozzle, and an atomizing plate (703) is installed inside the spray nozzle. A second circuit board (704) is fitted on the outside of the spray nozzle. The atomizing plate (703) is electrically connected to the second circuit board (704). The second circuit board (704) is in a ring shape, and multiple sets of LED beads (709) are installed at equal angles on one side.

2. The multifunctional desktop fan as described in claim 1, characterized in that: One end of the water tank (701) is connected to a spray head (705) by a fastener, and the spray head (705) covers the second circuit board (704) inside it. A through hole is provided on one side of the spray head (705) for the lamp bead (709) to be exposed.

3. The multifunctional desktop fan as described in claim 2, characterized in that: The sealing cover (702) is connected to an outer cover (706) by fasteners on one side. The water tank (701) and the spray head (705) are both located inside the outer cover (706). One end of the spray head (705) is provided with a spray nozzle, and one end of the spray nozzle extends out from one end of the outer cover (706).

4. The multifunctional desktop fan as described in claim 1, characterized in that: A water inlet is provided on one side of the sealing cap (702), and a sealing plug (708) is connected inside the water inlet.

5. The multifunctional desktop fan as described in claim 1, characterized in that: The base (1) is provided with a support column (102) at the top, and the bottom center of the top shell (2) is provided with a connection port. The top of the support column (102) passes through the connection port and is connected to a connector (202) by fasteners. The connector (202) is provided with rotating shafts on both sides, and the top side of the connection port is provided with an arc groove connected to the rotating shaft. The top shell (2) is provided with a clamping member (203) near the top of the connection port by fasteners. The clamping member (203) is installed on the top of the connector (202), and the bottom sides of the clamping member (203) are provided with arc grooves connected to the rotating shafts on both sides. The top of the top shell (2) is connected to a top cover (201) by fasteners.

6. The multifunctional desktop fan as described in claim 5, characterized in that: The base (1) is internally fixedly equipped with a circuit board (11) and a battery (12); the top of the circuit board (11) is equipped with two sets of toggle switches (10), and a push-pull potentiometer (9) is provided between the two sets of toggle switches (10); the circuit board (11) is equipped with an indicator light (15) on the side near the two sets of toggle switches (10); the top of the base (1) is provided with a through hole for the lever to extend at the position of the corresponding toggle switch (10); the top of the base (1) is rotatably equipped with a push-pull handle (13) at the position of the corresponding push-pull potentiometer (9), and the bottom end of the push-pull handle (13) is fixedly connected to the adjustment handle of the push-pull potentiometer (9); the top of the base (1) is provided with a through hole for the indicator light (15) to be exposed.

7. The multifunctional desktop fan as described in claim 6, characterized in that: An LED light strip (14) is fixedly embedded on the front of the support column (102), and the LED light strip (14) is electrically connected to the circuit board (11).

8. The multifunctional desktop fan as described in claim 6, characterized in that: The magnetic connector (707) includes a circular magnetic male end and a circular magnetic female end that are connected to each other. The circular magnetic male end is fixedly installed at the center of the sealing cover (702), and the circular magnetic female end is fixedly installed at the center of the tail end of the fan frame (3). The circular magnetic male end is electrically connected to the second circuit board (704) through a wire. The circular magnetic female end is electrically connected to the first circuit board (11) through a wire.

9. The multifunctional desktop fan as described in claim 6, characterized in that: The circuit board (11) is electrically connected to the battery (12) and the fan (5) via wires; the bottom of the base (1) is fixedly connected to the base plate (101), and multiple anti-slip pads are glued to the bottom of the base plate (101).

10. The multifunctional desktop fan as described in claim 6, characterized in that: A charging connector (16) is installed on one side of the base (1), and the charging connector (16) is electrically connected to the circuit board (11).

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