Control assembly waterproof structure of spray fan and spray fan
By employing a beveled design and a water-blocking ring structure in the control components of the spray fan, the circuit problems caused by water mist intrusion were solved, resulting in higher waterproof performance and equipment stability, and extended service life.
Patent Information
- Application Number
- CN202520385634.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-03-06
AI Technical Summary
In humid environments, the control components of a spray fan are prone to short circuits and corrosion of electronic components due to water mist intrusion, which can affect the normal operation of the equipment and pose safety hazards. Existing sealing measures are difficult to completely cover the complex structure and are prone to aging and failure.
The mounting platform and water-blocking ring structure are designed with an inclined surface. The mounting through hole is set on the inclined surface to accelerate the downward flow of water mist. The first water-blocking ring prevents water from entering the mounting cavity. At the same time, the operating parts are provided with a shielding groove and a second water-blocking ring to further prevent water from entering the shielding groove.
It effectively reduces the risk of water mist entering the internal cavity, protects the internal circuitry, improves the reliability and service life of the equipment, and enhances waterproof performance and stability.
Smart Images

Figure CN223781712U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fan technology, and in particular to a waterproof structure for the control component of a spray fan and the spray fan itself. Background Technology
[0002] Spray fans, as a common air conditioning device, are widely used in homes, industrial areas, and commercial spaces. They increase air humidity through misting while simultaneously promoting air circulation with a fan, achieving cooling, humidification, and air purification. However, during use, the control components of spray fans are often exposed to a humid environment, especially the connection points between operating parts (such as knobs or buttons) and the fan frame. These areas are susceptible to short circuits and corrosion of electronic components due to water mist intrusion, thus affecting the normal operation of the equipment, reducing its lifespan, and potentially causing safety hazards.
[0003] To address this issue, existing technologies typically employ simple sealing measures, such as adding sealant or waterproof tape between the operating components and the frame. However, these methods have limitations. For instance, the sealant may age and fail due to prolonged exposure to humid environments, allowing water vapor to still penetrate the interior through gaps. Furthermore, traditional sealing methods often struggle to completely cover the complex structure between the operating components and the frame, especially when frequent use of the operating components causes wear on the sealing layer, making it difficult to guarantee waterproofing. Utility Model Content
[0004] The purpose of this utility model is to provide a waterproof structure for the control component of a spray fan and a spray fan itself. Through the inclined surface design and water-blocking ring structure, the waterproof performance is significantly improved, the equipment life is extended, and the safety and reliability are enhanced.
[0005] In a first aspect, this utility model provides a waterproof structure for the control component of a spray fan, comprising:
[0006] The fan frame has a mounting platform with an inclined surface at the top. The mounting platform has a mounting cavity and a mounting through hole communicating with the mounting cavity. The mounting through hole is located on the inclined surface of the mounting platform.
[0007] A circuit board is disposed within the mounting cavity, and the circuit board is provided with an actuator for controlling the spray size and / or wind force.
[0008] An operating component, associated with the actuating component through the mounting through-hole, is capable of controlling the actuating component to adjust the spray fan;
[0009] A first water-blocking ring is disposed around the mounting through hole on the side of the mounting platform facing away from the mounting cavity. The first water-blocking ring is used to prevent water from entering the mounting cavity through the mounting through hole.
[0010] The waterproof structure for the control component of the spray fan provided by this utility model utilizes a sloped mounting platform at the top of the fan frame, with the mounting through-hole located on the slope. The sloped structure accelerates the downward flow of water mist, reducing its residence and accumulation on the mounting platform surface, thus effectively lowering the risk of water mist entering the internal cavity through the mounting through-hole. Furthermore, a first water-blocking ring is provided on the side of the mounting platform facing away from the mounting cavity, surrounding the mounting through-hole to effectively prevent water from entering the cavity. This structure provides a physical barrier for the control component; even if water mist slides towards the mounting through-hole, the first water-blocking ring prevents further penetration, thereby protecting the internal circuitry from the effects of a humid environment.
[0011] Furthermore, the operating component is provided with a shielding groove, which can accommodate the first water-blocking ring, and a second water-blocking ring is provided on the side of the operating component facing away from the shielding groove, which is used to prevent water from entering the shielding groove.
[0012] By adopting the above technical solution, a shielding groove is provided on the operating component to accommodate the first water-blocking ring, while a second water-blocking ring is provided on the other side of the operating component to further prevent water from entering the shielding groove. This design effectively enhances the waterproof performance, preventing water from entering the mounting cavity through the gap between the operating component and the mounting platform, thereby protecting the circuit board from water damage and improving the reliability and service life of the spray fan.
[0013] Furthermore, the circuit board is disposed within the mounting cavity parallel to the inclined surface of the mounting platform.
[0014] By adopting the above technical solution, the circuit board is set parallel to the inclined surface of the mounting platform, ensuring that the connection between the operating component and the actuating component is perpendicular to the inclined surface of the circuit board and the mounting platform. This design makes the operating component more stable during adjustment and reduces mechanical stress and poor electrical contact caused by angular deviations.
[0015] Furthermore, the circuit board is provided with a connection hole, and the inclined surface of the mounting platform extends toward the mounting cavity to provide a mounting seat. The mounting seat is provided with a connection inclined surface parallel to the inclined surface of the mounting platform. The connection inclined surface is provided with a threaded hole. The connection hole can be aligned with the threaded hole so that the threaded connector can pass through the connection hole and be threadedly connected to the threaded hole.
[0016] By adopting the above technical solution, by setting connection holes on the circuit board and setting corresponding threaded holes on the mounting platform, the circuit board can be firmly fixed to the mounting platform through threaded connectors.
[0017] Furthermore, the mounting platform extends into the mounting cavity and is provided with an abutment block, which is used to abut against the side of the circuit board facing away from the mounting base.
[0018] By employing the above technical solution, an abutment block is installed on the mounting platform to abut against the back of the circuit board, effectively preventing the circuit board from shaking or shifting within the mounting cavity. This design further enhances the fixing effect of the circuit board, ensuring its stability during the operation of the spray fan and preventing loosening or damage to electrical connections due to vibration.
[0019] Furthermore, the abutting block includes a first abutting block and a second abutting block, the first abutting block and the second abutting block being used to abut against the upper and lower ends of the circuit board, respectively.
[0020] By adopting the above technical solution, the abutment block is divided into a first abutment block and a second abutment block, which abut against the upper and lower ends of the circuit board respectively. This can distribute the force on the circuit board more evenly and further improve the fixing stability of the circuit board.
[0021] Furthermore, the circuit board is provided with an installation notch, and the abutment block includes an integrally formed connecting block and a limiting block. The connecting block is connected to the inclined surface and the top surface of the mounting platform, respectively. The limiting block is located at the end of the connecting block away from the inclined surface of the mounting platform. The connecting block passes through the installation notch, and the limiting block abuts against the circuit board.
[0022] By adopting the above technical solution, an installation notch is set on the circuit board, and a connecting block and a limiting block are set on the abutment block, allowing the abutment block to abut against the circuit board through the installation notch via the connecting block. This design not only improves the fitting accuracy between the abutment block and the circuit board, but also enhances the fixing effect of the abutment block, further improving the installation stability of the circuit board, while also facilitating the installation and removal of the circuit board.
[0023] Furthermore, the operating component is a knob or a button.
[0024] Furthermore, the inclined angle of the mounting platform is 30° to 60°.
[0025] Secondly, the present invention provides a spray fan, including a waterproof structure for the control components of any of the above-mentioned spray fans.
[0026] As can be seen from the above, the waterproof structure of the control component of the spray fan provided by this utility model, by setting a mounting platform with a slope at the top of the fan frame and setting the mounting through hole on the slope, utilizes the structural characteristics of the slope to accelerate the downward movement of water mist and reduce the residence and accumulation of water mist on the surface of the mounting platform, thereby effectively reducing the risk of water mist entering the internal cavity through the mounting through hole. In addition, by setting a first water-blocking ring on the side of the mounting platform facing away from the mounting cavity, this water-blocking ring surrounds the mounting through hole, effectively preventing water from entering the mounting cavity through the mounting through hole. This structure provides a physical barrier for the control component; even if water mist slides towards the mounting through hole, the first water-blocking ring can prevent further penetration, thereby protecting the internal circuitry from the influence of a humid environment.
[0027] Other features and advantages of this application will be set forth in the following description and will be apparent in part from the description or may be learned by practicing embodiments of this application. The objectives and other advantages of this application may be realized and obtained by means of the structures particularly pointed out in the written description and the accompanying drawings. Attached Figure Description
[0028] Figure 1 This is an exploded structural diagram of a waterproof structure for a spray fan control component proposed in this utility model.
[0029] Figure 2 for Figure 1 A partial cross-sectional schematic diagram of the waterproof structure of the control components of the spray fan.
[0030] Figure 3 for Figure 2 A schematic diagram of the circuit board.
[0031] Figure 4 for Figure 1 A schematic diagram of the internal structure of the mounting platform.
[0032] Figure 5 This is a schematic diagram of the structure of a spray fan proposed in this utility model.
[0033] In the attached diagram: 100, fan frame; 110, mounting platform; 111, mounting cavity; 112, mounting through hole; 120, mounting base; 121, connecting bevel; 122, threaded hole; 130, abutment block; 131, first abutment block; 132, second abutment block; 133, connecting block; 134, limiting block; 200, circuit board; 210, actuating component; 220, connecting hole; 230, mounting notch; 300, operating component; 310, shielding groove; 400, first water baffle ring; 500, second water baffle ring. Detailed Implementation
[0034] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0035] The following disclosure provides many different embodiments or examples for implementing various structures of the present invention. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.
[0036] The waterproof structure of the control component of the spray fan disclosed in this utility model is mainly used in spray fans. Through optimized structural design, it effectively prevents water mist from entering the internal circuit and improves the reliability and service life of the equipment.
[0037] Reference Appendix Figure 1 Appendix Figure 2 In one embodiment, the waterproof structure of the control component of the spray fan includes a fan frame 100, a circuit board 200, an operating component 300, and a first water-blocking ring 400. The top of the fan frame 100 is provided with a sloping mounting platform 110, which has a mounting cavity 111 and a mounting through hole 112 communicating with the mounting cavity 111, with the mounting through hole 112 located on the sloping surface of the mounting platform 110. The circuit board 200 is located within the mounting cavity 111 and has an actuator 210 for controlling the spray size and / or wind force. The operating component 300 is associated with the actuator 210 through the mounting through hole 112, and the operating component 300 can control the actuator 210 to adjust the spray fan. The first water-blocking ring 400 is disposed around the mounting through hole 112 on the side of the mounting platform 110 facing away from the mounting cavity 111, and is used to prevent water from entering the mounting cavity 111 through the mounting through hole 112.
[0038] As can be seen from the above, the waterproof structure of the control component of the spray fan provided by this utility model, by setting a mounting platform 110 with a slope at the top of the fan frame 100 and setting the mounting through hole 112 on the slope, utilizes the structural characteristics of the slope to accelerate the downward flow of water mist and reduce the residence and accumulation of water mist on the surface of the mounting platform 110, thereby effectively reducing the risk of water mist entering the internal cavity through the mounting through hole 112. In addition, by setting a first water-blocking ring 400 on the side of the mounting platform 110 facing away from the mounting cavity 111, the water-blocking ring surrounds the mounting through hole 112, which can effectively prevent water from entering the mounting cavity 111 through the mounting through hole 112. This structure provides a physical barrier for the control component. Even if water mist slides towards the mounting through hole 112, the first water-blocking ring 400 can prevent it from further penetrating, thereby protecting the internal circuit from the influence of the humid environment.
[0039] Reference Appendix Figure 2 In one embodiment, the operating component 300 is provided with a shielding groove 310, which can accommodate the first water-blocking ring 400. The operating component 300 is provided with a second water-blocking ring 500 on the side opposite to the shielding groove 310, which is used to prevent water from entering the shielding groove 310.
[0040] Specifically, the first water-blocking ring 400 is integrally formed with the mounting platform 110, and the second water-blocking ring 500 is integrally formed with the operating component 300.
[0041] By adopting the above technical solution, a shielding groove 310 is provided on the operating component 300 to accommodate the first water-blocking ring 400, while a second water-blocking ring 500 is provided on the other side of the operating component 300 to further prevent water from entering the shielding groove 310. This design effectively enhances the waterproof performance, preventing water from entering the mounting cavity 111 through the gap between the operating component 300 and the mounting platform 110, thereby protecting the circuit board 200 from water damage and improving the reliability and service life of the spray fan.
[0042] In one embodiment, the circuit board 200 is disposed within the mounting cavity 111 parallel to the inclined surface of the mounting platform 110.
[0043] By adopting the above technical solution, the inclined surfaces of the circuit board 200 and the mounting platform 110 are arranged parallel to each other, ensuring that the connection between the operating component 300 and the actuating component 210 is perpendicular to the inclined surfaces of the circuit board 200 and the mounting platform 110. This design makes the operating component 300 more stable during adjustment and reduces mechanical stress and poor electrical contact caused by angular deviations.
[0044] In one embodiment, the circuit board 200 is provided with a connection hole 220, and the inclined surface of the mounting platform 110 extends toward the mounting cavity 111 to provide a mounting base 120. The mounting base 120 is provided with a connecting inclined surface 121 parallel to the inclined surface of the mounting platform 110. The connecting inclined surface 121 is provided with a threaded hole 122. The connection hole 220 can be aligned with the threaded hole 122 so that the threaded connector can pass through the connection hole 220 and be threadedly connected to the threaded hole 122.
[0045] By adopting the above technical solution, a connection hole 220 is provided on the circuit board 200, and a threaded hole 122 is provided on the mounting platform 110 to match it, so that the circuit board 200 can be firmly fixed on the mounting platform 110 by a threaded connector. This design not only improves the installation stability of the circuit board 200, but also facilitates disassembly and maintenance.
[0046] In one embodiment, the mounting platform 110 is further provided with an abutment block 130 extending into the mounting cavity 111. The abutment block 130 is used to abut against the side of the circuit board 200 facing away from the mounting base 120.
[0047] By adopting the above technical solution, an abutment block 130 is provided on the mounting platform 110 to abut against the back of the circuit board 200, which can effectively prevent the circuit board 200 from shaking or shifting within the mounting cavity 111. This design further enhances the fixing effect of the circuit board 200, ensuring its stability during the operation of the spray fan and avoiding loosening or damage to electrical connections due to vibration.
[0048] Reference Appendix Figure 2 Appendix Figure 3 In one embodiment, the circuit board 200 is provided with a mounting notch 230, and the abutment block 130 includes an integrally formed connecting block 133 and a limiting block 134. The connecting block 133 is connected to the inclined surface and the top surface of the mounting platform 110 respectively, and the limiting block 134 is located at the end of the connecting block 133 away from the inclined surface of the mounting platform 110. The connecting block 133 passes through the mounting notch 230, and the limiting block 134 abuts against the circuit board 200.
[0049] By adopting the above technical solution, a mounting notch 230 is provided on the circuit board 200, and a connecting block 133 and a limiting block 134 are provided on the abutment block 130, allowing the abutment block 130 to pass through the mounting notch 230 and abut against the circuit board 200 via the connecting block 133. This design not only improves the fitting accuracy between the abutment block 130 and the circuit board 200, but also enhances the fixing effect of the abutment block 130, further improving the installation stability of the circuit board 200, and also facilitating the installation and disassembly of the circuit board 200.
[0050] Reference Appendix Figure 4In one embodiment, the abutment block 130 includes a first abutment block 131 and a second abutment block 132, which are respectively used to abut against the upper and lower ends of the circuit board 200.
[0051] By adopting the above technical solution, the abutment block 130 is divided into a first abutment block 131 and a second abutment block 132, which abut against the upper and lower ends of the circuit board 200 respectively, which can more evenly distribute the force on the circuit board 200 and further improve the fixing stability of the circuit board 200.
[0052] In one embodiment, the operating component 300 is a knob or a button.
[0053] In one embodiment, the inclined surface of the mounting platform 110 has an angle of 30° to 60°.
[0054] Reference Appendix Figure 5 The present invention also provides a spray fan, including a waterproof structure for the control components of the spray fan of any of the above embodiments.
[0055] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0056] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.
Claims
1. A waterproof structure for the control component of a spray fan, characterized in that, include: The fan frame (100) has a mounting platform (110) with an inclined surface at its top. The mounting platform (110) has a mounting cavity (111) and a mounting through hole (112) communicating with the mounting cavity (111). The mounting through hole (112) is located on the inclined surface of the mounting platform (110). A circuit board (200) is disposed in the mounting cavity (111), and the circuit board (200) is provided with an actuator (210) for controlling the spray size and / or wind force. An operating component (300) is associated with the actuating component (210) through the mounting through hole (112), and the operating component (300) is capable of controlling the actuating component (210) to adjust the spray fan; The first water-blocking ring (400) is disposed around the mounting through hole (112) on the side of the mounting platform (110) facing away from the mounting cavity (111). The first water-blocking ring (400) is used to prevent water from entering the mounting cavity (111) through the mounting through hole (112).
2. The waterproof structure of the control component of a spray fan according to claim 1, characterized in that, The operating component (300) is provided with a shielding groove (310) which can accommodate the first water-blocking ring (400). The operating component (300) is provided with a second water-blocking ring (500) on the side opposite to the shielding groove (310). The second water-blocking ring (500) is used to prevent water from entering the shielding groove (310).
3. The waterproof structure of the control component of a spray fan according to claim 1, characterized in that, The circuit board (200) is disposed parallel to the inclined surface of the mounting platform (110) within the mounting cavity (111).
4. The waterproof structure of the control component of a spray fan according to claim 3, characterized in that, The circuit board (200) is provided with a connection hole (220). The inclined surface of the mounting platform (110) extends toward the mounting cavity (111) and is provided with a mounting seat (120). The mounting seat (120) is provided with a connecting inclined surface (121) parallel to the inclined surface of the mounting platform (110). The connecting inclined surface (121) is provided with a threaded hole (122). The connection hole (220) can be aligned with the threaded hole (122) so that the threaded connector can pass through the connection hole (220) and be threadedly connected to the threaded hole (122).
5. The waterproof structure of the control component of a spray fan according to claim 4, characterized in that, The mounting platform (110) extends into the mounting cavity (111) and is provided with an abutment block (130), which is used to abut against the side of the circuit board (200) facing away from the mounting base (120).
6. The waterproof structure of the control component of a spray fan according to claim 5, characterized in that, The abutment block (130) includes a first abutment block (131) and a second abutment block (132), which are respectively used to abut against the upper and lower ends of the circuit board (200).
7. The waterproof structure of the control component of a spray fan according to claim 5, characterized in that, The circuit board (200) is provided with an installation notch (230). The abutment block (130) includes an integrally formed connecting block (133) and a limiting block (134). The connecting block (133) is connected to the inclined surface and the top surface of the mounting platform (110) respectively. The limiting block (134) is located at the end of the inclined surface of the connecting block (133) away from the mounting platform (110). The connecting block (133) passes through the installation notch (230). The limiting block (134) abuts against the circuit board (200).
8. The waterproof structure of the control component of a spray fan according to claim 1, characterized in that, The operating component (300) is a knob or a button.
9. The waterproof structure of the control component of a spray fan according to claim 1, characterized in that, The inclined angle of the mounting platform (110) is 30° to 60°.
10. A spray fan, characterized in that, The control component of the spray fan, as described in any one of claims 1-9, is a waterproof structure.