Anti-scald tuyere of hair drier

By incorporating air guide holes and heat exchange vents into the anti-scalding nozzle of the hair dryer, and utilizing air pressure differences to supplement heat exchange with cold air, the problem of excessively high temperatures is solved, resulting in a safer and more comfortable user experience.

CN224140345UActive Publication Date: 2026-04-21东莞力禾电器有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
东莞力禾电器有限公司
Filing Date
2025-05-16
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

The current hair dryer nozzles are too hot, making them inconvenient to use.

Method used

Design a hair dryer anti-scalding nozzle. By setting air guide holes and heat exchange air inlets on the outside of the air outlet inner shell, cold air is driven into the flow channel by air pressure difference for heat exchange, thereby reducing the product's anti-scalding properties.

Benefits of technology

This effectively reduces the risk of burns from hair dryers, improving safety and comfort during use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224140345U_ABST
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Abstract

The anti-scald tuyere comprises a structure body and an air outlet inner shell, the air outlet inner shell is arranged in the structure body, the air outlet inner shell comprises an air inlet end and an air outlet end, the outer ring of the air inlet end is sealed with the structure body, and the inner side of the air inlet end forms an installation opening for installing the blower; the two sides of the structure body are provided with heat exchange air ports extending into the structure body, gaps exist between the heat exchange air ports and the air outlet inner shell, the gaps form cold air flow channels, the surface of the air outlet inner shell is provided with a plurality of air guide holes, and the air guide holes are used for supplementing cold air. The hot air in the process enables the surrounding cold air to be driven by the air pressure difference, the air guide holes are formed in the outer side of the air outlet inner shell, the area where the hot air leaves is gradually filled, then the structural main body exchanges heat in a flow channel of the air outlet inner shell, and the structural main body does not conduct heat with the hot air in a large area. And the anti-scalding property of the product is also reduced.
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Description

Technical Field

[0001] This utility model relates to a hair dryer accessory, and more particularly to a hair dryer anti-scalding nozzle. Background Technology

[0002] Hair dryer nozzles are one of the basic tools in hair dryer accessories. Their design incorporates fluid dynamics to achieve more precise and personalized hair care and styling.

[0003] Common hair dryer nozzles concentrate airflow to achieve higher wind speeds and temperatures for drying or styling hair. However, the high temperature makes these nozzles inconvenient to touch or handle. Utility Model Content

[0004] This utility model provides a hair dryer anti-scalding nozzle to solve the problem of excessive temperature during use.

[0005] According to one aspect of the present invention, a hair dryer anti-scalding nozzle is provided, comprising a structural body, wherein the structural body is integrally formed with an air outlet shell, the air outlet shell forming a flat air outlet, and further comprising:

[0006] An air outlet inner shell is disposed within the main body of the structure. The air outlet inner shell includes an air inlet end and an air outlet end. The outer ring of the air inlet end is sealed to the main body of the structure, and the inner side of the air inlet end forms an installation port for installing a blower.

[0007] The main body of the structure has heat exchange vents extending into the structure on both sides. There is a gap between the heat exchange vents and the air outlet inner shell, which forms a cold air flow channel. The surface of the air outlet inner shell has multiple air guide holes for the replenishment of cold air.

[0008] Furthermore, the heat exchange air inlet is an elongated through hole, and the length direction of the heat exchange air inlet is set from the mounting port to the air outlet casing.

[0009] Furthermore, a support member is provided between the outer casing and the inner casing of the air outlet.

[0010] Furthermore, the air guide hole is designed to prevent backflow.

[0011] Furthermore, the anti-backflow structure is an inner wall of the air guide hole that is inclined along the air outlet direction, and its inclined inner wall extends continuously into the air outlet inner shell.

[0012] The beneficial effects of this utility model are:

[0013] This utility model features a hair dryer anti-scalding nozzle. The hair dryer delivers air to the installation port, which is then concentrated inside the air outlet shell before being blown out. During this process, the hot air causes the surrounding cold air to be driven by the air pressure difference. Furthermore, because the outer side of the air outlet shell has air guide holes, the area left by the hot air is gradually filled, and the main body exchanges heat with the flow channel of the air outlet shell. This further prevents the main body from conducting heat with the hot air over a large area, thus reducing the product's anti-scalding properties. Attached Figure Description

[0014] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0015] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0016] Figure 2 This is a schematic diagram of the main body structure of the embodiment of this utility model;

[0017] Figure 3 This is an embodiment of the present utility model. Figure 2 Enlarged structural diagram at point A;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the air outlet inner shell according to an embodiment of the present utility model;

[0019] Figure 5 This is an embodiment of the present utility model. Figure 4 Enlarged structural diagram at point B.

[0020] In the diagram: 1. Main structure; 11. Outlet shell; 12. Heat exchange air outlet; 2. Inner shell; 21. Inlet; 22. Outlet; 3. Supporting component; 4. Mounting port. Detailed Implementation

[0021] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0022] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0023] In this utility model, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" are generally used in relation to the direction shown in the accompanying drawings, or in relation to the vertical, perpendicular, or gravitational direction of the component itself; similarly, for ease of understanding and description, "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0024] Please see Figure 1-5 As shown, this utility model discloses a hair dryer anti-scalding nozzle, including a main body 1, which is integrally formed with an air outlet shell 11. The air outlet shell 11 forms a flat air outlet, and also includes:

[0025] Air outlet inner shell 2, the air outlet inner shell 2 is disposed inside the main body 1, the air outlet inner shell 2 includes an air inlet end 21 and an air outlet end 22, the outer ring of the air inlet end 22 is sealed with the main body 1, and the inner side of the air inlet end 21 forms an installation port 4 for installing a blower.

[0026] The main body 1 has heat exchange vents 12 extending into the main body 1 on both sides. There is a gap between the heat exchange vents 12 and the air outlet inner shell 2, which forms a cold air flow channel. The surface of the air outlet inner shell 2 is provided with multiple air guide holes 23, which are used to supplement cold air.

[0027] This utility model's anti-scalding nozzle for a hair dryer delivers air to the mounting port 4 via the hair dryer. The air is then concentrated inside the air outlet shell 2 and blown out. During this process, the hot air causes the surrounding cold air to be driven by the air pressure difference. Furthermore, because the outer side of the air outlet shell 2 has air guide holes 23, the area after the hot air leaves is gradually filled, and the main body 1 exchanges heat with the flow channel of the air outlet shell 2. This further prevents the main body 1 from conducting heat with a large area of ​​hot air, thus reducing the anti-scalding performance of the product.

[0028] The heat exchange air inlet 12 is an elongated through hole, and the length direction of the heat exchange air inlet 12 is set from the mounting port 4 to the air outlet housing 2.

[0029] Multiple air guide holes 23 are provided, and the heat exchange air outlet 12 is a long strip-shaped through hole, which can increase the formation of airflow and improve the heat exchange efficiency by utilizing the air flow law.

[0030] A support member 3 is provided between the air outlet outer shell 11 and the air outlet inner shell 2.

[0031] The gap formed between the outer shell 11 and the inner shell 2 is abutted against each other by the support member 3. Multiple support members 3 can be evenly arranged to improve the durability of the product and protect the gap to form a cold air flow channel.

[0032] The air guide hole 23 is a backflow prevention structure.

[0033] The preferred embodiment of this invention regarding the air guide hole 23 is that the hot air from the blower only passes through the air outlet inner shell 2. Due to the air pressure difference caused by the hot air blowing out through the air guide hole 23, cold air enters the air outlet inner shell 2 and the flow channel between the air outlet inner shell 2 and the structural body 1 through the air guide hole 23. The cold air is then driven to flow out by the temperature rise of the air outlet end 22, forming a flow channel. The anti-backflow structure helps prevent the hot air in the air outlet inner shell 2 from being diverted and escaping from the air guide hole 23.

[0034] The anti-backflow structure is the inner wall of the air guide hole 23 that is inclined along the air outlet direction, and its inclined inner wall extends continuously into the air outlet inner shell 2.

[0035] The specific anti-backflow structure is that the air guide hole 23 is inclined along the inner wall of the air outlet inner shell 2 in the air outlet direction, as shown in the reference. Figure 4-5 The inner wall of the air guide hole 23 extends along the air guide hole 23, which has the function of guiding the airflow and preventing it from approaching the air guide hole 23, thereby preventing the airflow from flowing back out of the air guide hole 23.

[0036] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0037] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0038] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0039] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A blow dryer anti-scald air nozzle comprising a structural body integrally formed with an air discharge housing forming a flattened air discharge opening, characterized by, Also includes: An air outlet inner shell is disposed within the main body of the structure. The air outlet inner shell includes an air inlet end and an air outlet end. The outer ring of the air inlet end is sealed to the main body of the structure, and the inner side of the air inlet end forms an installation port for installing a blower. The main body of the structure has heat exchange vents extending into the structure on both sides. There is a gap between the heat exchange vents and the air outlet inner shell, which forms a cold air flow channel. The surface of the air outlet inner shell has multiple air guide holes for the replenishment of cold air.

2. The anti-scald air blower nozzle of claim 1, wherein, The heat exchange air inlet is a long strip-shaped through hole, and the length direction of the heat exchange air inlet is set from the installation port to the air outlet shell.

3. The blow dryer anti-scald air nozzle of claim 1 wherein, A support is provided between the outer shell of the air outlet and the inner shell of the air outlet.

4. The blow dryer anti-scald air nozzle of claim 1 wherein, The air guide hole is designed to prevent backflow.

5. The blow dryer anti-scald air nozzle of claim 4, wherein, The anti-backflow structure is the inner wall of the air guide hole that is inclined along the air outlet direction, and its inclined inner wall extends continuously into the air outlet inner shell.