Waterproof air duct structure of electric appliance
By installing water-blocking components in the air ducts of equipment such as heaters to form a continuous curved channel, the problems of poor waterproofing and low air supply efficiency of existing equipment are solved, achieving highly efficient waterproofing without affecting the air supply effect.
Patent Information
- Application Number
- CN202520449051.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Existing heating equipment such as heaters and dryers suffer from high costs and poor waterproofing in their ductwork, while dense grilles or slanted baffles can affect air delivery efficiency.
Design an electrical waterproof air duct structure, including an air duct support and a water-blocking component. The water-blocking component consists of multiple water-blocking plates, forming a continuously bent water-blocking channel, cutting off the middle section of the air duct and causing the water flow to bounce multiple times in the channel to dissipate kinetic energy, while keeping the air supply channel unobstructed.
It achieves excellent waterproof performance and air supply efficiency, preventing water from splashing into the electrical components and ensuring the normal air supply function of the equipment.
Smart Images

Figure CN223954387U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric appliance waterproof structure especially relates to an electric appliance waterproof air duct structure. BACKGROUND
[0002] The warm air blower and the drying machine as a kind of small fast heating equipment, can be through fan the hot air generated by heating body is delivered to the outside through air duct, to realize the heating purpose.This kind of heating equipment is usually used in bathroom, kitchen and other environments prone to splashing water, resulting in use, splashing water flow is easy to enter the warm air blower inside contact electrical components, cause electrical safety problem.And in order to achieve waterproof purpose, usually to the electrical components and heating body are waterproofed, however the cost of this waterproof way is too high and the waterproof effect is poor.
[0003] Therefore, for this kind of heating equipment, the prior art appears some new air duct waterproof structure, by setting up dense grid or inclined baffle at the air outlet of air duct, splashing water flow is blocked, to realize waterproof effect.However, this waterproof structure although can block water flow to a certain extent, when splashing water flow is larger, still easy to cause equipment internal waterlogging, protection ability is limited;And dense grid and inclined baffle still can shield air duct and cause wind resistance to increase, to affect the air supply efficiency of electric appliance. UTILITY MODEL CONTENTS
[0004] In order to solve the problems in the background art, the utility model provides an electric appliance waterproof air duct structure, simple structure and good waterproof performance and cost advantage are had, can avoid affecting the air supply efficiency of electric appliance simultaneously.
[0005] The utility model solves the technical problem and adopts the scheme: an electric appliance waterproof air duct structure, including the air duct support with the air outlet in bottom and the water blocking assembly installed in the air duct support, be equipped with the air duct of vertical setting in the air duct support, the water blocking assembly is horizontally inserted in the air duct support and the middle segment of the air duct is cut off and forms multiple side-by-side arrangement and continuous bending water blocking passage, the water blocking passage end is towards the air outlet.
[0006] Further, the water blocking assembly includes multiple water blocking plates, multiple water blocking plates are stacked in sequence, and the water blocking passage is formed between adjacent two water blocking plates.
[0007] Further, the water blocking plate includes the bending plate body of cross section inverted "V" type structure and the connecting fender connected to both sides of the bending plate body, the connecting fender top extends and protrudes to the one side surface of bending plate body, and the connecting fenders of adjacent two water blocking plates are mutually spliced.
[0008] Further, the air duct support both sides inner wall is equipped with the horizontal setting of insertion slot, and the connecting fender is slidably embedded in the insertion slot.
[0009] Further, the bottom of the bent plate body is provided with a wind guide part parallel to the air duct, and the wind guide parts of two adjacent water baffle plates combine to form the wind guide channel, which is directed towards the air outlet.
[0010] Further, the air duct support comprises an upper support and a lower support, the upper support is a half-frame structure provided with left and right side walls, and the lower support is combined with the upper support to form the air duct penetrating up and down.
[0011] Further, two insertion grooves are horizontally arranged in the left and right side walls of the upper support.
[0012] Further, a grille cover is connected to the air outlet at the bottom of the air duct support.
[0013] In summary, the beneficial effects of the present application are:
[0014] 1. The water baffle assembly is horizontally inserted into the air duct support, so that the air duct in the air duct support can be cut off by the water baffle assembly and form a plurality of parallel and continuously bent water baffle channels, so that when the water flow splashes into the air duct support from the air outlet, the water flow can be bounced multiple times in the continuously bent water baffle channel to consume the kinetic energy of the water, thereby preventing the water from directly splashing into the interior of the electric appliance, and the structure is simple and has good waterproof performance.
[0015] 2. The water baffle assembly is inserted into the air duct support to cut off the middle section of the air duct into a plurality of continuously bent water baffle channels, and the end of the water baffle channel is directed towards the air outlet, so that the water baffle channel not only blocks the splashing water flow, but also allows the hot air to be normally blown to the air outlet through the water baffle channel, thereby avoiding affecting the normal air supply of the electric appliance.
[0016] The above description is only a summary of the technical solutions of the present application, in order to more clearly understand the technical means of the present application, the content of the specification can be implemented, and in order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structural schematic view of the embodiment;
[0018] Figure 2 It is a sectional view of the embodiment;
[0019] Figure 3 It is a sectional view of the air duct support of the embodiment;
[0020] Figure 4 It is a structural schematic view of the water baffle plate of the embodiment;
[0021] Figure 5 Figure 1 is a structural schematic diagram of an upper support of the present embodiment.
[0022] Figure 1 is a structural schematic diagram of an upper support of the present embodiment. DETAILED DESCRIPTION
[0023] In order to make the content of the utility model can be more easily and clearly understood, the following according to specific embodiment and combining with the drawings, the utility model is further explained.
[0024] It should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "inner", "outer" and the like used herein indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. Unless otherwise specified, the meaning of "a plurality of" is two or more.
[0025] Unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.
[0026] As shown in Figures 1 to 3 A kind of electric appliance waterproof air duct structure, with good waterproof performance and cost advantage, and simple structure, it is convenient to install, while it can avoid affecting the air supply efficiency of electric appliance. The electric appliance of the present embodiment can be electric appliance, such as hair dryer, dryer, blower, etc. inside and outside is provided with the electric appliance needing air duct 11, for the convenience of understanding, the electric appliance of the present embodiment is set to hair dryer, including machine body and the fan and heating body arranged in machine body, after the start of fan, air current can be blown out through heating body, to form hot air for user to use.
[0027] As shown in Figure 1 And Figure 2As shown, the body of the fan heater of the present embodiment is provided with a waterproof air duct structure, which can guide the hot air blown by the fan heater and has good waterproof effect. The waterproof air duct structure of the present embodiment comprises an air duct support 1 installed in the body of the fan heater and provided with an air outlet at the bottom, and a water blocking assembly 2 installed in the air duct support 1. The air duct support 1 is formed with an air duct 11 vertically arranged and communicating with the air outlet, and the top of the air duct 11 is connected with the heating body. After the airflow blown by the fan is heated by the heating body to form warm air, the warm air can flow through the air duct 11 to the air outlet and then be output through the air outlet.
[0028] Furthermore, as shown in Figures 1 to 3 In order to waterproof the air duct 11, the water blocking assembly 2 of the present embodiment is horizontally inserted into the air duct support 1 and the middle section of the air duct 11 is cut off to form a plurality of water blocking channels 3 arranged side by side and continuously bent, so that the water flow splashed into the air duct 11 from the air outlet can be splashed multiple times in the continuously bent water blocking channels 3 to consume kinetic energy, thereby preventing the water flow from splashing onto each electrical element and achieving good waterproof effect. In addition, each water blocking channel 3 is arranged side by side, which can completely cut off the air duct 11, thereby completely blocking the splashed water flow and avoiding the water flow from splashing into the electrical elements through the gap, further improving the protection effect of the present embodiment. In addition, the bottom end of the water blocking channel 3 of the present embodiment is arranged towards the air outlet, so that after the airflow blown by the fan is heated by the heating body to form warm air, the warm air can also be output to the air outlet through the water blocking channel 3, so that the water blocking channel 3 can achieve normal air supply of the fan heater while waterproofing, ensuring the air supply efficiency of the fan heater.
[0029] Specifically, as shown in Figures 3 to 4 The water blocking assembly 2 of the present embodiment is formed by a plurality of water blocking plates 21 stacked transversely in sequence, so that the water blocking plates 21 can transversely cut off the middle section of the air duct 11, thereby completely blocking the water flow splashed into the air duct 11 by each water blocking plate 21 to achieve waterproofing. In the present embodiment, the two adjacent water blocking plates 21 can form a continuously bent water blocking channel 3, so that the water flow splashed into the air duct 11 can be splashed multiple times in the water blocking channel 3 to consume kinetic energy, thereby achieving good waterproof performance, and the water blocking channel 3 can also supply the warm air to flow, so that the present embodiment has good waterproof performance while ensuring the normal delivery of the warm air.
[0030] Further, as shown in Figures 1 to 4As shown, the water baffle 21 of the embodiment includes a bent plate body 211 with a cross-section of a transversely tilted "V" type structure, and a connecting baffle 212 connected to the left and right sides of the bent plate body 211, wherein one side edge of the connecting baffle 212 extends outwards to the surface of the bent plate body 211, so that when the water baffles 21 are stacked in sequence, the connecting baffles 212 of adjacent two water baffles 21 can be spliced with each other, and the adjacent bent plate bodies 211 are separated by a certain distance under the action of the connecting baffles 212, thereby forming a continuous bent baffle channel 3 to block the splashing water flow. In addition, the bottom of the bent baffle of the embodiment is also provided with an air guide part 213 parallel to the axis of the air duct 11, so that when a plurality of water baffles 21 are stacked, the adjacent air guide parts 213 can be combined to form an air guide channel 4 aligned with the air outlet, so that the hot air can be smoothly output to the air outlet along the air guide channel 4, realizing the function of efficient air flow conveying of the embodiment.
[0031] As shown in Figure 3 and Figure 5 shown, in order to stably install the water baffle 21 in the air duct support 1 and cut off the middle section of the air duct 11, the air duct support 1 of the embodiment is provided with horizontally arranged insertion grooves 12 on the inner walls of the two sides, so that when the water baffle 21 is installed, the connecting baffles 212 on both sides can be respectively slidably embedded into the insertion grooves 12 on both sides for installation, and the installation method is convenient.
[0032] Specifically, the air duct support 1 of the embodiment includes an upper support 13 with left and right side walls in a half-frame type structure, and a lower support 14 in a cover body structure which is connected to the surface of the upper support 13 and connected to the left and right side walls of the upper support 13 by buckles or bolts, so that after the lower support 14 is covered to the surface of the upper support 13, it can be combined with the upper support 13 to form an air duct 11 passing through from top to bottom. In addition, the two insertion grooves 12 of the embodiment are horizontally arranged on the inner sides of the left and right side walls of the upper support 13, and the end portions of the insertion grooves 12 extend towards the covering position of the lower cover and penetrate to the edge of the side wall of the upper support 13, so that when the water baffle 21 is installed, the connecting baffles 212 on both sides of the water baffle 21 can be slidably inserted from the opening of the upper support 13 along the insertion grooves 12, simplifying the assembly process.
[0033] As shown in Figure 1 and Figure 2 shown, the air duct support 1 of the embodiment is also connected with a grille cover 5 at the air outlet at the bottom, which can preliminarily block the splashing water flow, thereby reducing the kinetic energy of the water flow splashing into the air duct 11, and further improving the waterproof performance of the embodiment.
[0034] To sum up, the water blocking assembly 2 is horizontally inserted into the air duct support 1, so that the air duct 11 in the air duct support 1 is cut off by the water blocking assembly 2 and forms a plurality of parallel and continuously bent water blocking channels 3, and when water splashes into the air duct support 1 from the air outlet, the water flow can be bounced in the continuously bent water blocking channels 3 for multiple times to consume the kinetic energy of the water, thereby preventing the water from directly splashing into the interior of the electric appliance, and the structure is simple and has good waterproof performance; and the middle section of the air duct 11 is cut off by the water blocking assembly 2 into a plurality of continuously bent water blocking channels 3, and the end of the water blocking channel 3 is directed towards the air outlet, so that the water blocking channel 3 not only blocks the splashing water flow, but also allows the hot air to be normally blown to the air outlet through the water blocking channel 3, thereby avoiding affecting the normal air supply of the electric appliance.
[0035] The above-described embodiments are only preferred embodiments of the utility model, and cannot be used to limit the protection scope of the utility model, and any non-substantial changes and modifications made by the person skilled in the art on the basis of the utility model all belong to the protection scope of the utility model.
Claims
1. An electrical waterproof duct structure, comprising a duct support (1) with an air outlet at the bottom and a water-blocking component (2) installed within the duct support (1), characterized in that, The air duct support (1) is provided with a vertically arranged air duct (11). The water-blocking component (2) is horizontally inserted into the air duct support (1) and cuts off the middle section of the air duct (11) to form multiple parallel and continuously bent water-blocking channels (3). The end of the water-blocking channel (3) faces the air outlet.
2. The waterproof ventilation duct structure for electrical appliances according to claim 1, characterized in that, The water-blocking assembly (2) includes multiple water-blocking plates (21), which are stacked sequentially, and the water-blocking channel (3) is formed between two adjacent water-blocking plates (21).
3. The waterproof ventilation duct structure for electrical appliances according to claim 2, characterized in that, The water baffle (21) includes a bent plate body (211) with an inverted "V" shaped cross section and connecting baffles (212) connected to both sides of the bent plate body (211). The top of the connecting baffles (212) extends and protrudes to one side surface of the bent plate body (211), and the connecting baffles (212) of two adjacent water baffles (21) are spliced together.
4. The waterproof ventilation duct structure for electrical appliances according to claim 3, characterized in that, The air duct support (1) has horizontally arranged insertion slots (12) on both sides of its inner wall, and the connecting baffle (212) is slidably fitted into the insertion slots (12).
5. The waterproof ventilation duct structure for electrical appliances according to claim 3, characterized in that, The bottom of the bent plate (211) is provided with a guide section (213) parallel to the air duct (11). The guide sections (213) of two adjacent baffle plates (21) are combined to form a guide channel (4), which faces the air outlet.
6. The waterproof ventilation duct structure for electrical appliances according to claim 4, characterized in that, The air duct support (1) includes an upper support (13) and a lower support (14). The upper support (13) is a semi-frame structure with left and right side walls. The lower support (14) covers the surface of the upper support (13) and is combined with the upper support (13) to form the air duct (11) that runs vertically through the upper and lower parts.
7. The waterproof ventilation duct structure for electrical appliances according to claim 6, characterized in that, The two insertion slots (12) are respectively horizontally arranged inside the left and right side walls of the upper bracket (13).
8. The waterproof ventilation duct structure for electrical appliances according to claim 1, characterized in that, The bottom air outlet of the air duct support (1) is covered with a grille cover (5).