Air duct component and hair dryer

Abstract

The present invention relates to a duct component structure, comprising: a shell component, wherein an installation cavity is provided in the shell component, and the shell component is provided with a first opening, and the first opening is communicated with the installation cavity; a first wind-guiding device, wherein the first wind-guiding device is arranged in the installation cavity, and the first wind-guiding device is provided with a wind-passing cavity, and the first wind-guiding device is provided with a second opening and a third opening, and the second opening and the third opening are communicated with the wind-passing cavity; a second wind-guiding device, wherein the second wind-guiding device at least partially extends into the wind-passing cavity of the first wind-guiding device, and a section of the second wind-guiding device extending into the wind-passing cavity is a first wind-guiding section, and a section of the second wind-guiding device located outside the first wind-guiding device is a second wind-guiding section; a motor device, wherein the motor device extends from the third opening into the wind-passing cavity, and the motor device is at least partially arranged in the wind-passing cavity.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and in particular to an air duct component and a hair dryer. Background Art

[0002] At present, most of the ordinary hair dryers on the market dry hair at low speed, and the wind speed and wind pressure are small, the hair drying speed is slow, and the motor speed is low; that is, it is composed of a DC low-speed motor and ordinary fan blades, and cannot form an overall air outlet duct; in addition, some high-speed hair dryer products have appeared on the market, whose motor speed can reach 110,000 rpm, the wind speed is more than 20m / s, the hair drying speed is extremely fast, and the scope of application is wider; but their product assembly is complex, the cost is high, and it is difficult to promote. Summary of the invention

[0003] Based on this, in order to overcome the various shortcomings of the prior art, such as slow hair drying speed, low wind speed and wind pressure, and inability to meet consumers' needs for quick hair drying, an air duct assembly and a hair dryer are provided.

[0004] 14. The wind tunnel of claim 13 wherein the at least one air duct of the second wind guide device is configured to provide a first channel for guiding the first wind guide device and a second channel for guiding the first wind guide device. The at least one air duct of the second wind guide device is configured to provide a first channel for guiding the first wind guide device and a second channel for guiding the first wind guide device. , a section of the second wind-guiding device located outside the first wind-guiding device is the second wind-guiding section, an air passage is formed between the second wind-guiding section of the second wind-guiding device and the shell assembly, the air passage cavity is connected with the air passage through the second opening, the first opening is located on the side of the second wind-guiding device away from the first wind-guiding device, the second wind-guiding section extends to the first opening, an air outlet is formed between the second wind-guiding section and the side wall of the shell assembly, and the air inlet is located on the side away from the first wind-guiding section; a motor device, the motor device extends from the third opening into the air passage cavity, the motor device is at least partially arranged in the air passage cavity, and the motor device is used to generate an airflow from the third opening toward the second opening.

[0005] The present invention discloses an air duct component structure, wherein a shell component is provided with an air outlet, and the air outlet is connected with an installation cavity in the shell component; a first air guiding device is arranged in the installation cavity, and the first air guiding device is provided with an air passage cavity, and the first air guiding device is provided with a second opening and a third opening, and the second opening and the third opening are connected with the air passage cavity; the outside air reaches the air passage cavity through the second opening of the first air guiding device, and then flows through the third opening of the first air guiding device to form an air passage between the second air guiding device and the shell component, and the air passage is formed between the second air guiding device and the shell component, so that the air passing through the first air guiding device can be better diffused into the air passage, and since the cross-sectional area of ​​the second air guiding device gradually increases in the direction away from the first air guiding device, the air flowing through is gradually squeezed to form a strong wind pressure, and the air flow is then blown out through the air outlet formed between the second air guiding section and the first opening side wall of the shell component, and the wind blown out through the air passage cavity of the first air guiding device moves circumferentially inside the shell component, and at the same time continuously supplies and sucks air to form an uninterrupted high-pressure airflow for continuous supply. Furthermore, through the specific setting of the shape of the air duct, the airflow can be collected and directed to the discharge, thereby improving the air intake efficiency, and the flow loss of the airflow is relatively low, thereby increasing the air volume, achieving different speeds of the fluid in the air duct, and fully reducing the air outlet size at different positions, thereby improving the air supply effect, forming a high-pressure airflow, and providing continuous supply.

[0006] In one embodiment, the width of the air outlet is greater than 1.0 mm. In the above embodiment, the width of the air outlet is greater than 1.0 mm, which can better discharge air.

[0007] Optionally, the width of the air outlet is 2 to 3 mm.

[0008] In one embodiment, the second air guide device is trumpet-shaped. Further, the second air guide device can be trumpet-shaped to better guide and discharge the airflow.

[0009] In one embodiment, the first air guiding section and the second air guiding section of the second air guiding device are enclosed around an axis to form an air guiding section, and a cross-section of the second air guiding device gradually increases in a direction away from the first air guiding device.

[0010] In one embodiment, the air passage cavity of the first air guiding device and the second opening and the third opening form a second air passage.

[0011] In one embodiment, the radial dimension of the second air passage is 18 mm to 55 mm.

[0012] In one embodiment, the axial length of the second air passage is 3 mm to 140 mm.

[0013] In one of the embodiments, the length of the second air passage extending from the second air guiding device to the first air guiding device is 0 to 90 mm.

[0014] In one embodiment, the first air guide device includes an air guide member and a connecting member, the air guide member is arranged on the connecting member, the connecting member is arranged on the housing assembly, the air guide member is provided with a first through hole, the connecting member is provided with a second through hole, the first through hole and the second through hole are sequentially connected to form the air passage cavity. In the above embodiment, the air volume of the airflow flowing into the first air guide device can be better ensured to be sufficient.

[0015] In one embodiment, the motor device is located in the second through hole, one end of the motor device abuts against the inner wall of the connecting member, and the other end of the motor device abuts against the air guide member. In the above embodiment, the motor device can better apply wind pressure to the airflow entering the air guide member, so that the airflow speed through the connecting member and the air guide member can be higher and the flow rate is smoother.

[0016] In one embodiment, the air guide comprises an air guide body and a first mounting member, the first mounting member is arranged around the air guide body, the air guide body extends into the second through hole, and the air guide body is provided with the first through hole. In the above embodiment, the inflowing airflow can be better transmitted to maximize the airflow volume as much as possible.

[0017] In one embodiment, the connector includes a connector body and a second mounting member, the connector body is provided with the second through hole, the air guide at least partially extends into the second through hole, the second mounting member is arranged on the connector body, and the second mounting member is connected to the housing assembly. In the above embodiment, the inflowing airflow can be better transmitted to maximize the airflow as much as possible.

[0018] The embodiment of the second aspect of the present invention provides a hair dryer comprising: an air duct assembly, the housing assembly comprising an air outlet housing assembly and an air inlet housing assembly, the air outlet housing assembly and the air inlet housing assembly are connected, the air outlet housing assembly and the air inlet housing assembly are enclosed to form the installation cavity; a heating device, the heating device is arranged on the second air guide device, the heating device is located between the second air guide device and the housing assembly; a control device, the control device is electrically connected to the motor device and the heating device; a handle and a power switch, the handle is connected to the housing assembly, the handle is provided with a power switch, and the power switch is electrically connected to the control device. The present application discloses a hair dryer comprising: an air duct assembly, the housing assembly comprising an air outlet housing assembly and an air inlet housing assembly, the air outlet housing assembly and the air inlet housing assembly are connected to form an installation cavity, forming a channel for air flow. The heating device is arranged on the second air guide device, the heating device is located between the second air guide device and the housing assembly, and the heating device is used to heat the air flowing through the air passage.

[0019] Furthermore, there are multiple heating devices, and multiple heating intervals are set. The radial end of the heating device is embedded in the first mounting notch and / or the second mounting notch. The internal structure of the heating device can be used to allow the wind from the motor device to blow on the heating device and other components, which can better achieve cooling and noise reduction.

[0020] Furthermore, a plurality of partition plates are arranged on the second air guiding device, the plurality of partition plates are arranged at intervals, mounting grooves are arranged on the plurality of partition plates, and the heating device is arranged on the mounting grooves.

[0021] The control device is arranged in the cavity, and the control device is electrically connected to the motor device, so that automation can be better realized. It also includes a handle and a power switch, the handle is connected to the shell component, the handle is provided with a power switch, and the power switch is electrically connected to the control device. In the above embodiment, it also includes a handle and a power switch, the handle is connected to the shell component, the handle is provided with a power switch, and the power switch is electrically connected to the control device. Automation can be better realized and the handle can be better taken and used.

[0022] Furthermore, the air outlet housing assembly includes a first shell assembly and a second shell assembly, the second shell assembly is sleeved on the first shell assembly, the heating device is located between the second air guide device and the first shell assembly, and the second shell assembly is made of a heat-insulating material or a heat-insulating material is coated on the second shell assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings constituting a 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 improper limitations on the present invention.

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a front view of the hair dryer of the present invention;

[0026] Figure 2 is a cross-sectional view of the hair dryer of the present invention;

[0027] Figure 3 An exploded view of the hair dryer of the present invention;

[0028] Figure 4 is a three-dimensional diagram of the air outlet housing assembly of the present invention;

[0029] Figure 5 A front view of a first air guide device and a second air guide device of the present invention;

[0030] Figure 6 A cross-sectional view of a first air guide device and a second air guide device of the present invention;

[0031] Figure 7 is a front view of a first air guide device of the present invention;

[0032] Figure 8 is a cross-sectional view of a first air guide device of the present invention;

[0033] Fig. 9 is a three-dimensional diagram of the air guide member of the present invention;

[0034] Fig.10 is a three-dimensional diagram of a connecting piece of the present invention;

[0035] Fig.11 is a front view of a second air guide device of the present invention;

[0036] Fig.12 for Fig.11 BB direction profile;

[0037] Fig.13 It is a cross-sectional view of the second air guide device of the present invention.

[0038] The corresponding relationship between the reference numerals and component names is as follows:

[0039] 1 housing assembly, 11 air outlet housing assembly, 12 air inlet housing assembly;

[0040] 2 first air guide device, 21 air guide member, 211 air guide member body, 212 first mounting member, 22 connecting member, 221 connecting member body, 222 second mounting member, 223 notch;

[0041] 3 second air guide device, 31 first air guide section, 32 second air guide section;

[0042] 4 motor device;

[0043] 5. Heating device;

[0044] 6. Handlebars. DETAILED DESCRIPTION

[0045] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0046] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0047] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0048] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution.

[0049] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Fig.11 , Fig.12 and Fig.13As shown, optionally, a duct assembly structure includes: a shell assembly 1, a mounting cavity is provided in the shell assembly, the shell assembly 1 is provided with a first opening, and the first opening is communicated with the mounting cavity; a first wind guide device 2, the first wind guide device 2 is arranged in the mounting cavity, the first wind guide device 2 is provided with a wind passage cavity, the first wind guide device 2 is provided with a second opening and a third opening, and the second opening and the third opening are communicated with the wind passage cavity; a second wind guide device 3, the second wind guide device 3 at least partially extends into the wind passage cavity of the first wind guide device 2, a section of the second wind guide device 3 extending into the wind passage cavity is a first wind guide section 31, and a first wind guide section 31 is formed with the inner wall of the first wind guide device 2 A first air guiding channel, the second air guiding device 3 extends toward an end away from the second opening, a section of the second air guiding device 3 located outside the first air guiding device 2 is the second air guiding section 32, an air passage is formed between the second air guiding section 32 of the second air guiding device 3 and the shell assembly 1, the air passage cavity is connected with the air passage through the second opening, the first opening is located on a side of the second air guiding device 3 away from the first air guiding device 2, the second air guiding section 32 extends to the first opening, an air outlet is formed between the second air guiding section and the first opening side wall of the shell assembly 1, and the air outlet is located on a side away from the first air guiding section 31; a motor device 4, the motor device 4 is at least partially arranged in the air passage cavity.

[0050] The present invention discloses an air duct component, wherein a shell component 1 is provided with an air outlet, and the air outlet is communicated with an installation cavity in the shell component 1; a first air guide device 2 is arranged in the installation cavity, and the first air guide device 2 is provided with an air passage cavity, and the first air guide device 2 is provided with a second opening and a third opening, and the second opening and the third opening are communicated with the air passage cavity; the outside air reaches the air passage cavity through the second opening of the first air guide device 2, and then flows through the third opening of the first air guide device 2 to form an air passage between the second air guide device 3 and the shell component 1, and the second air guide device 3 at least partially Extending into the air passage cavity of the first air guide device 2, an air passage is formed between the second air guide device 3 and the shell assembly 1, which can better diffuse the air passing through the first air guide device 2 into the air passage, and the air passing through is gradually squeezed to form a strong wind pressure, and the air flow is then blown out through the air outlet formed between the second air guide section 32 and the side wall of the shell assembly 1. The wind blown out through the air passage cavity of the first air guide device 2 moves circumferentially inside the shell assembly 1, and at the same time continuously supplies and absorbs air, forming an uninterrupted high-pressure airflow for continuous supply. Furthermore, through the specific setting of the shape of the air duct, the airflow can be collected and directed to the discharge, thereby improving the air intake efficiency, and the flow loss of the airflow is low, thereby increasing the air volume, realizing different speeds of the fluid in the air duct, and fully reducing the size of the air outlet at different positions, thereby improving the air supply effect, forming a high-pressure airflow, and continuously supplying.

[0051] Optionally, the width of the air outlet 104 is greater than 1.0 mm. In the above embodiment, the width of the air outlet 104 is greater than 1.0 mm, which can better discharge air.

[0052] Optionally, the width of the air outlet 104 is 2-3 mm.

[0053] like Figure 2 , Fig.11 , Fig.12 and Fig.13 As shown, optionally, the second air guide device 3 is trumpet-shaped. Further, the second air guide device 3 can be trumpet-shaped to better guide and discharge the airflow in a centralized manner.

[0054] Optionally, the first air guiding section 31 and the second air guiding section 32 of the second air guiding device 3 are enclosed around an axis to form an air guiding section, and a cross-section of the second air guiding device 3 gradually increases in a direction away from the first air guiding device 2 .

[0055] Optionally, the air passage cavity of the first air guiding device 2 forms a second air passage with the second opening and the third opening.

[0056] Optionally, a radial dimension of the second air passage is 18 mm to 55 mm.

[0057] Optionally, an axial length of the second air passage is 3 mm to 140 mm.

[0058] Optionally, a length of the second air passage extending from the second air guiding device 3 to the first air guiding device 2 is 0 to 90 mm.

[0059] like Figure 7 , Figure 8 As shown, optionally, the first air guide device 2 includes an air guide member 21 and a connecting member 22, the air guide member 21 is arranged on the connecting member 22, the connecting member 22 is arranged on the housing assembly 2, the air guide member 21 is provided with a first through hole, the connecting member 22 is provided with a second through hole, the first through hole and the second through hole are connected in sequence to form an air cavity. In the above embodiment, the air volume of the airflow flowing into the first air guide device can be better made sufficient.

[0060] Optionally, the air guide member 21 at least partially extends into the second through hole.

[0061] like Figure 2 As shown, optionally, the motor device 4 is located in the second through hole, one end of the motor device 4 abuts against the inner wall of the connecting member 22, and the other end of the motor device 4 abuts against the air guide 21. In the above embodiment, the motor device can better apply wind pressure to the airflow entering the air guide, so that the airflow speed through the connecting member and the air guide can be higher and the flow speed is smoother.

[0062] like Fig. 9 As shown, optionally, the air guide 21 includes an air guide body 211 and a first mounting member 212, the first mounting member 212 is arranged around the air guide body 211, the air guide body 211 extends into the second through hole, and the first through hole is provided on the air guide body 211. In the above embodiment, the inflowing airflow can be better transmitted to maximize the airflow volume as much as possible.

[0063] like Fig.10 As shown, optionally, the connector 22 includes a connector body 221 and a second mounting member 222, the connector body 221 is provided with a second through hole, the air guide member 21 at least partially extends into the second through hole, the second mounting member 222 is arranged on the connector body 221, and the second mounting member 222 is connected to the housing assembly 1. In the above embodiment, the inflowing airflow can be better transmitted to maximize the airflow volume as much as possible.

[0064] like Figure 1 to Figure 3 As shown, optionally, an embodiment of the second aspect of the present invention provides a hair dryer including: an air duct assembly, a housing assembly 1 including an air outlet housing assembly 11 and an air inlet housing assembly 12, the air outlet housing assembly 11 and the air inlet housing assembly 12 are connected, and the air outlet housing assembly 11 and the air inlet housing assembly 12 are enclosed to form an installation cavity; a heating device 5, the heating device 5 is arranged on the second air guide device 3, and the heating device 5 is located between the second air guide device 3 and the housing assembly 1; a control device, the control device is electrically connected to the motor device 4 and the heating device 5; a handle 6 and a power switch, the handle 6 is connected to the housing assembly 1, and a power switch is arranged on the handle 6, and the power switch is electrically connected to the control device. The present application discloses an electric hair dryer including an air duct assembly, a housing assembly including an air outlet housing assembly and an air inlet housing assembly, and the air outlet housing assembly and the air inlet housing assembly are connected to form an installation cavity, forming a channel for air flow. The heating device is arranged on the second air guide device, and the heating device is located between the second air guide device and the housing assembly, and the heating device is used to heat the air flowing through the air duct.

[0065] Furthermore, there are multiple heating devices, and multiple heating intervals are set. The radial end of the heating device is embedded in the first mounting notch and / or the second mounting notch. The internal structure of the heating device can be used to allow the wind from the motor device to blow on the heating device and other components, which can better achieve cooling and noise reduction.

[0066] Furthermore, a plurality of partition plates are arranged on the second air guiding device, the plurality of partition plates are arranged at intervals, mounting grooves are arranged on the plurality of partition plates, and the heating device is arranged on the mounting grooves.

[0067] The control device is arranged in the cavity, and the control device is electrically connected to the motor device, so that automation can be better realized. It also includes a handle and a power switch, the handle is connected to the shell component, the handle is provided with a power switch, and the power switch is electrically connected to the control device. In the above embodiment, it also includes a handle and a power switch, the handle is connected to the shell component, the handle is provided with a power switch, and the power switch is electrically connected to the control device. Automation can be better realized and the handle can be better picked up and used.

[0068] like Figure 2 As shown, further, the air outlet housing assembly 11 includes a first housing assembly 111 and a second housing assembly 112, the second housing assembly 112 is sleeved on the first housing assembly 111, the heating device 5 is located between the second air guide device 3 and the first housing assembly 111, and the second housing assembly 112 is made of a heat-insulating material or the second housing assembly 112 is coated with a heat-insulating material.

[0069] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0070] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. An air duct assembly, comprising: A housing assembly (1), wherein a mounting cavity is provided in the housing assembly, and wherein the housing assembly (1) is provided with a first opening (101), wherein the first opening (101) is in communication with the mounting cavity; A first wind guide device (2), the first wind guide device (2) being arranged in the installation cavity, the first wind guide device (2) dividing the installation cavity into two parts, the first wind guide device (2) being provided with a wind passage cavity, the first wind guide device (2) being provided with a second opening (201) and a third opening (202), the second opening (201) and the third opening (202) being in communication with the wind passage cavity (203), and one part of the installation cavity being in communication with another part of the installation cavity via the second opening (201), the wind passage cavity (203) and the third opening (202); a second wind guiding device (3), wherein at least a portion of the second wind guiding device (3) extends through the second opening (201) into the wind passage cavity (203) of the first wind guiding device (2); a section of the second wind guiding device (3) extending into the wind passage cavity (203) is a first wind guiding section (31); a first wind guiding channel (102) is formed between the first wind guiding section (31) and the inner wall of the first wind guiding device (2); the second wind guiding device (3) extends toward an end away from the second opening (201); a section of the second wind guiding device (3) located outside the first wind guiding device (2) is a second wind guiding section (32), an air passage (103) is formed between the second air guide section (32) of the second air guide device (3) and the shell component (1), the air passage cavity is connected to the air passage via the second opening (201), the first opening (101) is located on the side of the second air guide device (3) away from the first air guide device (2), the second air guide section (32) extends to the first opening (101), an air outlet (104) is formed between the second air guide section (32) and the side wall of the shell component (1), and the (104) is located on the side away from the first air guide section (31); a motor device (4), the motor device (4) being arranged opposite to the third opening (202) or the motor device (4) being at least partially located in the air passage cavity, the motor device (4) being used to generate an airflow from the third opening (202) toward the second opening (201); The first air guiding section (31) and the second air guiding section (32) of the second air guiding device (3) are enclosed around an axis (Y) to form an air guiding section, and the cross-section of the second air guiding device (3) gradually increases along a direction (S) away from the first air guiding device (2).

2. The air duct assembly according to claim 1, characterized in that: The width of the air outlet (104) is greater than 1.0 mm and / or the second air guiding device (3) is trumpet-shaped.

3. The air duct assembly according to claim 1, characterized in that: The air passage cavity of the first air guiding device (2) and the second opening (201) and the third opening (202) form a second air passage.

4. The air duct assembly according to claim 3, characterized in that: The radial dimension of the second air passage is 18 mm to 55 mm; and / or the axial length of the second air passage is 3 mm to 140 mm; and / or the length of the second air passage extending from the second air guiding device (3) to the first air guiding device (2) is 0 to 90 mm.

5. The air duct assembly according to claim 1, characterized in that: The first air guide device (2) comprises an air guide member (21) and a connecting member (22); the air guide member (21) is arranged on the connecting member (22); the connecting member (22) is arranged on the shell assembly (2); the air guide member (21) is provided with a first through hole; the connecting member (22) is provided with a second through hole; the first through hole and the second through hole are connected in sequence to form the air passage cavity.

6. The air duct assembly according to claim 5, characterized in that: The motor device (4) is located in the second through hole, one end of the motor device (4) abuts against the inner wall of the connecting member (22), and the other end of the motor device (4) abuts against the air guide member (21).

7. The air duct assembly according to claim 5, characterized in that: The air guide member (21) comprises an air guide member main body (211) and a first mounting member (212). The mounting member (212) is arranged around the air guide member body (211), and the air guide member body (211) extends Into the second through hole, the air guide body (211) is provided with the first through hole; and / or The connecting member (22) comprises a connecting member body (221) and a second mounting member (222). The member body (221) is provided with the second through hole, and the air guide member (21) at least partially extends to the second through hole. The second mounting member (222) is arranged on the connecting member body (221) in the second through hole. The second mounting member (222) is connected to the housing assembly (1).

8. A hair dryer, characterized in that: include: The air duct assembly according to any one of claims 1 to 7, wherein the housing assembly (1) comprises an air outlet housing assembly (11) and an air inlet housing assembly (12), the air outlet housing assembly (11) and the air inlet housing assembly (12) being connected, and the air outlet housing assembly (11) and the air inlet housing assembly (12) enclose the installation cavity; A heating device (5), the heating device (5) being arranged on the second air guiding device (3), the heating device (5) being located between the second air guiding device (3) and the housing assembly (1); A control device, the control device being electrically connected to the motor device (4) and the heating device (5); A handle portion (6) and a power switch, wherein the handle portion (6) is connected to the housing assembly (1), and a power switch is provided on the handle portion (6), and the power switch is electrically connected to the control device.

9. The hair dryer according to claim 8, characterized in that: The air outlet housing component (11) comprises a first housing component (111) and a second housing component (112); the second housing component (112) is sleeved on the first housing component (111); the heating device (5) is located between the second air guide device (3) and the first housing component (111); the second housing component (112) is made of a heat-insulating material or a heat-insulating material is coated on the second housing component (112).

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