A bladeless fan

Abstract

This utility model provides a bladeless fan, belonging to the field of mechanical technology, comprising: a first air outlet module and a second air outlet module arranged vertically; a first air outlet section connected to the first air outlet module, the first air outlet module being used to deliver air to the first air outlet section; and a second air outlet section connected to the second air outlet module, the second air outlet module being used to deliver air to the second air outlet section, the air outlet directions of the first air outlet section and the second air outlet section being opposite. The advantage is that by adding a second air outlet section arranged opposite to the first air outlet section, the function of reverse airflow is achieved. This bidirectional airflow design not only improves the efficiency of airflow but also expands the air delivery coverage area, providing users with a more comfortable environmental experience. Compared to the traditional design with only one air outlet surface, this application significantly increases the air delivery area through the dual air outlet structure. This allows a single fan to provide effective ventilation in different directions simultaneously, meeting a wider range of spatial needs.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical technology, and in particular relates to a bladeless fan. Background Technology

[0002] Bladeless fans, as a modern household appliance, have been widely used in homes and offices in recent years due to their advantages such as safety, aesthetics, ease of cleaning, and gentle airflow. Traditional bladeless fans typically employ a single-sided airflow structure, meaning that airflow is delivered from one direction through a ring-shaped or linear air outlet, but this has limitations in practical use.

[0003] First, the limited airflow coverage angle of a unidirectional airflow structure makes it difficult to simultaneously meet the ventilation needs of multiple people or large spaces. Users often need to manually adjust the fan angle or configure multiple additional devices, increasing operating costs and space occupation. Second, in narrow or open environments, unidirectional airflow can easily create dead zones, resulting in low air circulation efficiency and affecting overall comfort. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a bladeless fan that increases the airflow direction and volume.

[0005] The objective of this utility model can be achieved through the following technical solution: a bladeless fan, comprising: The first and second air outlet modules are arranged vertically. A first air outlet is connected to the first air outlet module, and the first air outlet module is used to deliver air to the first air outlet; a second air outlet is connected to the second air outlet module, and the second air outlet module is used to deliver air to the second air outlet, and the air outlet directions of the first air outlet and the second air outlet are opposite.

[0006] In the aforementioned bladeless fan, there are two second air outlets, which are respectively arranged on both sides of the first air outlet.

[0007] In the aforementioned bladeless fan, as the first air outlet module extends toward the second air outlet module, the straight-line distance between the two second air outlet sections gradually decreases.

[0008] In the aforementioned bladeless fan, the second air outlet includes a second air outlet cavity, and a second air outlet is provided on the cavity wall of the second air outlet cavity. Along the length direction of the second air outlet, a plurality of reinforcing parts are fixedly arranged at intervals in the second air outlet cavity, and the cross-sectional area of ​​the reinforcing parts is smaller than the cross-sectional area of ​​the second air outlet cavity.

[0009] In the bladeless fan described above, a portion of the edge of the reinforcing part is fixedly connected to the second air outlet cavity.

[0010] In the aforementioned bladeless fan, the second air outlet extends along the axial direction of the second air outlet cavity, and the reinforcing portion is symmetrically arranged along the axial direction of the second air outlet.

[0011] In the aforementioned bladeless fan, along the axial direction of the second air outlet, the reinforcing portion is inclined towards the first air outlet module the closer it is to the cavity wall of the second air outlet chamber.

[0012] In the aforementioned bladeless fan, the first air outlet module includes a first mounting base, a first air outlet drive unit is provided inside the first mounting base, a first air inlet is provided on the side wall of the first mounting base along its axial direction, the first mounting base is connected to the first air outlet unit, and a control module is provided at the end of the first mounting base.

[0013] In the aforementioned bladeless fan, the second air outlet module includes a second mounting base, a second air outlet drive unit is provided inside the second mounting base, a second air inlet is provided on the side wall and top end face of the second mounting base, and the second air outlet unit is connected to the second mounting base.

[0014] In the bladeless fan described above, a remote control is detachably mounted on the top of the second mounting base.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: (1) By adding a second air outlet located opposite to the first air outlet, the function of reverse air outlet is achieved. This bidirectional air outlet design not only improves the efficiency of airflow but also expands the air supply coverage, providing users with a more comfortable environmental experience. Compared with the traditional design with only one air outlet, this application significantly increases the air supply area through the dual air outlet structure. This allows a single fan to provide effective ventilation in different directions simultaneously, meeting a wider range of space requirements; (2) The first air outlet and the second air outlet can work at the same time or operate independently of each other. The first air outlet module and the second air outlet module are distributed in the vertical direction, which greatly improves the air supply efficiency and coverage area without increasing the floor space. Attached Figure Description

[0016] Figure 1 This is one of the three-dimensional structural schematic diagrams of this utility model; Figure 2 This is the second three-dimensional structural schematic diagram of this utility model; Figure 3 yes Figure 2 The front view; Figure 4 yes Figure 3 One of the schematic diagrams of the internal structure of the second air outlet in the middle; Figure 5 yes Figure 3 Schematic diagram of the internal structure of the first wind section; Figure 6 yes Figure 3 The second schematic diagram of the internal structure of the second air outlet; Figure 7 yes Figure 3 The third schematic diagram of the internal structure of the second air outlet.

[0017] In the figure, 100 is the first air outlet module; 101 is the second air outlet module; 102 is the first mounting base; 103 is the first air inlet; 104 is the second mounting base; 107 is the control module; 200 is the first air outlet section; 201 is the first air outlet cavity; 202 is the first air outlet; 300 is the second air outlet section; 301 is the second air outlet cavity; 302 is the second air outlet; and 303 is the reinforcing section. Detailed Implementation

[0018] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0019] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0020] like Figures 1-7 As shown, a bladeless fan includes: The first air outlet module 100 and the second air outlet module 101 are arranged vertically. A first air outlet 200 is connected to the first air outlet module 100, and the first air outlet module 100 is used to deliver air to the first air outlet 200; a second air outlet 300 is connected to the second air outlet module 101, and the second air outlet module 101 is used to deliver air to the second air outlet 300, and the air outlet directions of the first air outlet 200 and the second air outlet 300 are opposite.

[0021] In this application, a reverse airflow function is achieved by adding a second airflow section 300 positioned opposite to the first airflow section 200. This bidirectional airflow design not only improves airflow efficiency but also expands the airflow coverage area, providing users with a more comfortable environmental experience. Compared to traditional designs with only one airflow surface, this application significantly increases the airflow area through its dual airflow structure. This allows a single fan to provide effective ventilation in different directions simultaneously, meeting a wider range of spatial needs.

[0022] The first air outlet 200 and the second air outlet 300 can work simultaneously or operate independently of each other. The first air outlet module 100 and the second air outlet module 101 are distributed vertically, which greatly improves air supply efficiency and coverage area without increasing the floor space.

[0023] In this application, the number of second air outlets 300 is set to two, located on the left and right sides of the first air outlet 200 respectively, and opposite to the air outlet direction of the first air outlet 200, forming a three-way air outlet pattern with the center facing forward and the sides facing backward. This layout effectively expands the coverage width of the airflow in the horizontal direction and significantly improves the efficiency of air disturbance in the indoor space.

[0024] While the first air outlet 200 sends air forward, the second air outlets 300 on both sides send air backward, which can form an alternating airflow path in the space and promote three-dimensional circulation of indoor air.

[0025] like Figure 3 As shown in this application, the two second air outlets 300 extend from the first mounting base 102 toward the second mounting base 104, with the straight-line distance between them gradually decreasing, forming a triangular or approximately "V" shaped structure. Together with the first air outlet 200, they constitute a stable geometric support frame. This effectively disperses the stress generated by airflow impact or vibration during operation, improving the rigidity and durability of the overall structure.

[0026] The two ends of the first air outlet 200 and the second air outlet 300 are fixedly connected to the first air outlet module 100 and the second air outlet module 101, respectively, making the connection path between the air outlet modules shorter and more direct. This is conducive to the compact arrangement of the internal air ducts, reduces the occupation of ineffective space, and thus achieves more efficient module integration within a limited volume.

[0027] like Figures 4-7As shown, specifically, the second air outlet 300 includes a second air outlet cavity 301, with a second air outlet 302 provided on the cavity wall of the second air outlet cavity 301. Along the length of the second air outlet 300, multiple reinforcing parts 303 are fixedly arranged at intervals within the second air outlet cavity 301. The cross-sectional area of ​​the reinforcing parts 303 is smaller than that of the second air outlet cavity 301, thus maintaining a flow gap between them and the cavity wall. This gap allows airflow to flow smoothly along the length of the second air outlet cavity 301 and ultimately be evenly blown out from the second air outlet 302, avoiding problems such as significantly increased wind resistance or uneven airflow caused by structural reinforcement. Simultaneously, the reinforcing parts 303, as built-in support members, effectively enhance the overall rigidity of the second air outlet 300, preventing deformation or breakage during long-term use or under external impact.

[0028] Furthermore, a portion of the edge of the reinforcing part 303 is fixedly connected to the inner wall of the second air outlet cavity 301, making the reinforcing part 303 have a cantilever structure as a whole. Its free end (suspended end) is not connected to the cavity wall, forming a through, unobstructed straight airflow channel inside the cavity. This guides the airflow to flow quickly and smoothly from the air inlet to the second air outlet 302, significantly reducing flow resistance and pressure loss, and improving overall air delivery efficiency.

[0029] Because the airflow path is straight and there are few obstacles, turbulence and aerodynamic noise are significantly reduced; at the same time, the cantilever structure itself has a certain elastic buffering effect, which can absorb some high-frequency vibrations and further reduce the overall machine operating noise.

[0030] Since the second air outlet 302 extends axially along the second air outlet cavity 301, forming a narrow and elongated linear air outlet area, and the reinforcing part 303 is symmetrically arranged along the axis of the air outlet, it can effectively avoid airflow deviation or local blockage caused by structural asymmetry. The symmetrically arranged reinforcing part 303 makes the airflow experience balanced force on both sides of the cavity, which helps to maintain a stable flow field distribution, thereby achieving a more uniform and stable linear air outlet effect and improving user comfort.

[0031] In this application, along the axial direction of the second air outlet 300, the reinforcing part 303 is designed such that the closer it is to the cavity wall of the second air outlet cavity 301, the more its extension direction is inclined towards the direction of the first air outlet module 100. That is, the entire part is arranged in a forward-leaning manner along the air outlet direction of the second air outlet 300, so that its surface is basically consistent with the direction of the mainstream airflow. This inclined structure not only serves a supporting function, but its core function is to actively and orderly guide the airflow within the cavity, "combing" the airflow that might otherwise diffuse randomly and guiding it to a preset air outlet path. This achieves a more efficient and directional air delivery effect.

[0032] It should be noted that the first air outlet 200 includes a first air outlet cavity 201, and a first air outlet 202 is provided on the cavity wall of the first air outlet cavity 201. An inclined cantilevered reinforcing part 303 is also provided in the first air outlet cavity 201, but its inclination direction is opposite.

[0033] In this application, the first air outlet module 100 includes a first mounting base 102, which serves as both a support base and an air duct base: providing stable support for the entire unit, and having a first air outlet drive unit (such as a motor and impeller assembly) inside; along the axial direction of the first mounting base 102, a first air inlet 103 is provided on its side wall for introducing external air; the first mounting base 102 is connected to the first air outlet 200 to form a complete air duct system; at the same time, a control module 107 is provided at the end (top) of the first mounting base 102 for controlling the fan to start or stop or adjusting the operating mode.

[0034] The first air inlet 103 is axially arranged along the side wall of the first mounting base 102, forming a large-area, unobstructed annular air intake area. Since the control module 107 is located at the end (top) of the first mounting base 102, rather than on the side wall, it completely avoids the air intake path, ensuring that the air intake area of ​​the side wall is maximized and avoiding increased air intake resistance or reduced airflow due to obstruction by operating components.

[0035] It should be noted that the first air outlet 200 and the second air outlet 300 are fixed to the top of the first mounting base 102, and the top of the first mounting base 102 can rotate relative to it.

[0036] Specifically, the second air outlet module 101 includes a second mounting base 104, within which a second air outlet drive unit (such as a motor and impeller assembly) is installed. Second air inlets are provided on the side walls and top surface of the second mounting base 104, expanding the air intake area from a single side to a surround, multi-angle, three-dimensional air intake system. This effectively draws in air from multiple directions, significantly improving the total air intake volume and stability, providing ample air supply to the second air outlet drive unit, and ensuring air outlet performance. Even if the side walls are partially blocked, air can still be continuously drawn in through the top area, greatly enhancing the product's adaptability and reliability in complex home or office environments.

[0037] In this application, a remote control is detachably mounted on the top of the second mounting base 104. It can be installed and accessed via magnetic attachment, snap-fit ​​connection, sliding rail engagement, or other convenient detachable methods. The remote control is integrated into the top of the second mounting base 104, within easy reach of the user's line of sight and hand, facilitating easy access and return, avoiding the problems of traditional remote controls being easily lost or difficult to find. Magnetic or snap-fit ​​fixing methods are simple to operate and provide precise positioning, allowing users to easily pick up and put down the remote with one hand, significantly improving human-computer interaction efficiency and user satisfaction. Simultaneously, the top mounting position does not affect the layout of the second air inlet on the side wall and top edge of the second mounting base 104, ensuring that the air intake area and airflow efficiency are not interfered with.

[0038] It should be noted that in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly defined. The terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two elements or the interaction between two elements, unless otherwise explicitly defined. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the protection scope claimed by this utility model.

[0040] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A bladeless fan, characterized in that, include: The first and second air outlet modules are arranged vertically. A first air outlet is connected to the first air outlet module, and the first air outlet module is used to deliver air to the first air outlet; a second air outlet is connected to the second air outlet module, and the second air outlet module is used to deliver air to the second air outlet, and the air outlet directions of the first air outlet and the second air outlet are opposite.

2. A bladeless fan according to claim 1, characterized in that, There are two second air outlets, which are respectively located on both sides of the first air outlet.

3. A bladeless fan according to claim 2, characterized in that, As the first air outlet module extends toward the second air outlet module, the straight-line distance between the two second air outlets gradually decreases.

4. A bladeless fan according to claim 1, characterized in that, The second air outlet includes a second air outlet cavity, and a second air outlet is provided on the cavity wall of the second air outlet cavity. Along the length direction of the second air outlet, a plurality of reinforcing parts are fixedly arranged at intervals in the second air outlet cavity, and the cross-sectional area of ​​the reinforcing parts is smaller than the cross-sectional area of ​​the second air outlet cavity.

5. A bladeless fan according to claim 4, characterized in that, A portion of the reinforcing part is fixedly connected to the second air outlet cavity.

6. A bladeless fan according to claim 4, characterized in that, The second air outlet extends along the axis of the second air outlet cavity, and the reinforcing part is symmetrically arranged along the axis of the second air outlet.

7. A bladeless fan according to claim 4, characterized in that, Along the axial direction of the second air outlet, the reinforcing part is inclined towards the first air outlet module the closer it is to the cavity wall of the second air outlet cavity.

8. A bladeless fan according to claim 1, characterized in that, The first air outlet module includes a first mounting base, a first air outlet drive unit is provided inside the first mounting base, a first air inlet is provided on the side wall of the first mounting base along its axial direction, the first mounting base is connected to the first air outlet unit, and a control module is provided at the end of the first mounting base.

9. A bladeless fan according to claim 1, characterized in that, The second air outlet module includes a second mounting base, a second air outlet drive unit is provided inside the second mounting base, a second air inlet is provided on the side wall and top end face of the second mounting base, and the second air outlet unit is connected to the second mounting base.

10. A bladeless fan according to claim 9, characterized in that, The top of the second mounting base is detachably equipped with a remote control.

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