A more uniform and smooth air outlet air duct structure

CN224791836UActive Publication Date: 2026-09-25NINGBO MEIJIE ELECTRICAL APPLIANCE CO LTD
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Patent Information

Application Number
CN202522357086.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-06
Publication Date
2026-09-25
Estimated Expiration
2035-11-06

AI Technical Summary

Technical Problem

[0005]本实用新型的目的在于提供一种更均匀顺畅出风的风道结构,以解决上述背景技术中提出风道出风均匀性较差的问题

Benefits of technology

[0012]与现有技术相比,本实用新型的有益效果是:该更均匀顺畅出风的风道结构不仅实现了增强出风效率的功能,实现了扩大进风口的功能,而且实现了提高出风均匀性的功能;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of life electric appliances discloses a more even and smooth air outlet's air duct structure, including straightener main part, the right side of straightener main part is provided with the air inlet end, the top of straightener main part left side is provided with upper clamping plate, the bottom of straightener main part left side is provided with lower clamping plate, the inside of upper clamping plate and lower clamping plate all is provided with air duct main part, the front end and rear end of upper clamping plate and lower clamping plate all are provided with air outlet, the rear end of air duct main part inside is provided with first air groove, the middle position of air duct main part inside is provided with second air groove. This more even and smooth air outlet's air duct structure will all right angle turns of air duct main part change into smooth circular arc transition, the first air groove and third air groove are designed into the structure of tapering-tapering at the key narrow place of air duct, and the airflow is fastest at the narrowest place, and the pressure is lowest, can enhance the suction effect and promote the air volume, can effectively radiate even at low wind speed, solves the problem that the air duct air outlet uniformity is poor.
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Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, specifically to an air duct structure that provides more uniform and smooth airflow. Background Technology

[0002] A hair straightener is a household appliance that uses an electric current to heat a built-in heating element and conducts heat through an aluminum or ceramic plate to achieve hair styling. The air duct is one of the core functional components inside the hair straightener. Its function is far more than just letting the air blow out. The heating elements and motor inside the hair straightener generate a lot of heat when they are working. The air duct guides the airflow through these heating elements, carrying away the waste heat they generate and expelling it from the machine in a timely manner.

[0003] Currently, the air inlet and outlet of common hair straighteners are too close together, causing cold air to be sucked out as soon as it enters, failing to flow fully through the heating element for heat exchange. The air inlet area is too small or easily blocked, resulting in insufficient airflow and a sharp drop in heat dissipation efficiency.

[0004] There is an urgent need for a more uniform and smooth airflow duct structure to address the technical deficiencies mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide a more uniform and smooth airflow duct structure to solve the problem of poor airflow uniformity in the duct mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a more uniform and smooth airflow duct structure, comprising a hair straightener body, an air inlet end provided on the right side of the hair straightener body, an upper clamping plate provided at the top left side of the hair straightener body, a lower clamping plate provided at the bottom left side of the hair straightener body, an air duct body provided inside both the upper and lower clamping plates, an air outlet provided at the front and rear ends of both the upper and lower clamping plates, a first air groove provided at the rear end of the air duct body, a second air groove provided at the middle position of the air duct body, and a third air groove provided at the front end of the air duct body.

[0007] As a further technical solution of this utility model, the air outlet is elongated and connected to the first air duct, the second air duct and the third air duct respectively.

[0008] As a further technical solution of this utility model, the air inlet end is cylindrical, and the outside of the air inlet end is uniformly provided with circular air inlets.

[0009] As a further technical solution of this utility model, the first air duct is in the shape of a "U" and the second air duct is in the shape of a long rectangle, and the air inlet end is connected to the main body of the air duct.

[0010] As a further technical solution of this utility model, the corners of the first air duct, the second air duct and the third air duct are all rounded chamfers.

[0011] As a further technical solution of this utility model, a temperature display screen is provided at the top of the hair straightener body, a control button is provided at the front of the hair straightener body, and a handle is fixedly connected to the right side of the air inlet end.

[0012] Compared with the prior art, the beneficial effects of this utility model are: the air duct structure with more uniform and smooth airflow not only realizes the function of enhancing airflow efficiency and expanding the air inlet, but also realizes the function of improving airflow uniformity.

[0013] (1) By setting up a main body of the air duct, a first air trough, a second air trough and a third air trough, the main body of the air duct inside the upper and lower clamping plates changes all right-angle turns into smooth arc transitions. The first air trough and the third air trough are designed as a gradually narrowing-expanding structure at the key narrow points of the air duct. The airflow is fastest and the pressure is lowest at the narrowest point, which can enhance the "suction" effect and increase the overall air volume. Even at low wind speeds, it can effectively dissipate heat. This structure realizes the function of enhancing air outlet efficiency.

[0014] (2) By setting an air inlet and an air inlet, the air inlet of the hair straightener is located on the right side of the handle. When the user holds the hair straightener, the air inlet will not be covered, which will affect the air intake effect. The air inlet is cylindrical, and the air inlets are evenly opened on the surface of the air inlet. Under the premise of ensuring structural strength, the opening ratio is maximized as much as possible, which can prevent accidental touch by fingers and ensure air volume.

[0015] (3) By setting up a main body of air duct, an air outlet and an air inlet, the air outlets on the hair straightener are evenly distributed on the outside of the upper and lower clamps. When in use, a structure of low-level air inlet and high-level air outlet is formed. By utilizing the chimney effect of rising hot air, natural convection is enhanced. Even at low wind speeds, heat dissipation can be effectively achieved. The airflow at the air outlet is at a certain angle to the surface of the clamps, which expands the heating area and improves the drying efficiency. At the same time, heat source can be dissipated evenly. Attached Figure Description

[0016] Figure 1 This is a frontal three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a front view structural diagram of the present utility model;

[0018] Figure 3 This is a top view of the structure of this utility model;

[0019] Figure 4 This is a side view sectional structural diagram of the present invention.

[0020] In the diagram: 1. Air inlet; 2. Hair straightener body; 3. Temperature display screen; 4. Upper clamp; 5. Lower clamp; 6. Air outlet; 7. Control buttons; 8. Handle; 9. Air duct body; 10. Air inlet; 11. First air duct; 12. Second air duct; 13. Third air duct. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 An embodiment of this utility model provides a more uniform and smooth airflow duct structure, including a hair straightener body 2, an air inlet 1 on the right side of the hair straightener body 2, an upper clamping plate 4 at the top left side of the hair straightener body 2, a lower clamping plate 5 at the bottom left side of the hair straightener body 2, an air duct body 9 inside both the upper clamping plate 4 and the lower clamping plate 5, an air outlet 6 at the front and rear ends of both the upper clamping plate 4 and the lower clamping plate 5, a first air groove 11 at the rear end inside the air duct body 9, a second air groove 12 at the middle position inside the air duct body 9, a third air groove 13 at the front end inside the air duct body 9, a temperature display screen 3 at the top of the hair straightener body 2, a control button 7 at the front end of the hair straightener body 2, and a handle 8 fixedly connected to the right side of the air inlet 1.

[0023] The first air duct 11 is U-shaped, the second air duct 12 is a long rectangle, the air inlet end 1 is connected to the main body of the air duct 9, and the corners of the first air duct 11, the second air duct 12 and the third air duct 13 are all rounded chamfers.

[0024] Specifically, such as Figure 1 and Figure 2 As shown, the main body 9 of the air duct inside the upper clamping plate 4 and the lower clamping plate 5 changes all right-angle turns to smooth arc transitions. The first air duct 11 and the third air duct 13 are designed with a gradually narrowing-expanding structure at the key narrow points of the air duct. The airflow is fastest and the pressure is lowest at the narrowest point, which can enhance the "suction" effect and increase the overall air volume. Even at low wind speeds, it can effectively dissipate heat. This structure realizes the function of enhancing air outlet efficiency.

[0025] The air inlet 1 is cylindrical, and the outside of the air inlet 1 is evenly provided with round air inlets 10;

[0026] Specifically, such as Figure 1 and Figure 4As shown, the air inlet 1 of the hair straightener is located on the right side of the handle. When the user holds the hair straightener, the air inlet 1 will not be covered, thus affecting the air intake effect. The air inlet 1 is cylindrical, and the air inlets 10 are evenly distributed on the surface of the air inlet 1. While ensuring structural strength, the opening ratio is maximized to prevent accidental touch by fingers and ensure air volume.

[0027] The air outlet 6 is elongated and connected to the first air duct 11, the second air duct 12 and the third air duct 13 respectively.

[0028] Specifically, such as Figure 1 and Figure 3 As shown, the air outlets 6 are evenly distributed on the outside of the upper clamping plate 4 and the lower clamping plate 5, forming a structure of low-level air intake and high-level air outlet during use. By utilizing the chimney effect of rising hot air, natural convection is enhanced, and heat dissipation can be effectively achieved even at low wind speeds. The airflow at the air outlets 6 is at a certain angle to the surface of the clamping plates, which expands the heating area, improves the drying efficiency, and can also evenly dissipate heat from the heat source.

[0029] Working principle: The main body 9 of the air duct inside the upper clamping plate 4 and the lower clamping plate 5 replaces all right-angle turns with smooth arc transitions. The first air duct 11 and the third air duct 13 are designed with a tapering-expanding structure at the key narrow points of the air duct. The airflow is fastest and lowest at the narrowest point, which can enhance the "suction" effect and increase the overall air volume. Even at low wind speeds, it can effectively dissipate heat. The air outlets 6 are evenly distributed on the outside of the upper clamping plate 4 and the lower clamping plate 5, forming a low-level air intake and high-level air outlet structure during use. Utilizing the chimney effect of rising hot air, it enhances natural convection, even at low wind speeds. Even under high wind speed, it can effectively dissipate heat. The airflow at the air outlet 6 is at a certain angle to the surface of the clamp, which expands the heating area and improves the drying efficiency. At the same time, it can evenly dissipate heat from the heat source. The air inlet 1 of this hair straightener is located on the right side of the handle. When the user holds the hair straightener, the air inlet 1 will not be covered, thus affecting the air intake effect. The air inlet 1 is cylindrical, and the air inlets 10 are evenly opened on the surface of the air inlet 1. While ensuring structural strength, the opening ratio is maximized to prevent accidental finger contact and ensure airflow. This structure achieves the function of enhancing air output efficiency.

[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A more uniform and smooth airflow duct structure, comprising a hair straightener body (2), characterized in that: The straightener body (2) has an air inlet (1) on the right side, an upper clamp (4) on the top left side of the straightener body (2), a lower clamp (5) on the bottom left side of the straightener body (2), an air duct body (9) inside the upper clamp (4) and the lower clamp (5), an air outlet (6) at the front and rear ends of the upper clamp (4) and the lower clamp (5), a first air groove (11) at the rear end of the air duct body (9), a second air groove (12) at the middle position inside the air duct body (9), and a third air groove (13) at the front end of the air duct body (9).

2. The air duct structure for more uniform and smooth airflow according to claim 1, characterized in that: The air outlet (6) is elongated and is connected to the first air trough (11), the second air trough (12) and the third air trough (13) respectively.

3. The air duct structure for more uniform and smooth airflow according to claim 1, characterized in that: The air inlet end (1) is cylindrical, and the outside of the air inlet end (1) is uniformly provided with round hole-shaped air inlets (10).

4. The air duct structure for more uniform and smooth airflow according to claim 1, characterized in that: The first air duct (11) is U-shaped, the second air duct (12) is a long rectangle, and the air inlet (1) is connected to the air duct body (9) in a through connection.

5. The air duct structure for more uniform and smooth airflow according to claim 1, characterized in that: The corners of the first air duct (11), the second air duct (12) and the third air duct (13) are all rounded chamfers.

6. The air duct structure for more uniform and smooth airflow according to claim 1, characterized in that: The top of the hair straightener body (2) is provided with a temperature display screen (3), the front of the hair straightener body (2) is provided with a control button (7), and the right side of the air inlet (1) is fixedly connected with a handle (8).