Hair dryer and housing assembly

Abstract

The utility model relates to an electric hair dryer and shell assembly, include: the shell assembly of column shape, the shell assembly includes mounting frame part and the shell of setting up outside mounting frame part, and the main air duct is limited in mounting frame part and the main air inlet and main air outlet of intercommunication environment and main air duct, heating component, set up in main air duct, fan component, set up in main air duct and be located heating component below, can drive airflow from main air inlet to main air outlet through main air duct, wherein, the shell is equipped with first mouth and second mouth, and the shell and mounting frame part are at least in the position department of fan component and heating component interval to define the heat dissipation air duct, so that airflow can flow from second mouth to first mouth through heat dissipation air duct. The column shape electric hair dryer provided by the utility model has built-in heat dissipation air duct, and small size, portability and heat dissipation effect are considered.

Description

Technical Field

[0001] This utility model relates to the field of hair dryers, and in particular to a hair dryer and a housing assembly. Background Technology

[0002] Traditional hair dryers typically feature a separate handle and head design, resulting in a long vertical dimension and a bulky horizontal volume, making them bulky and impractical for travel or everyday carry. Furthermore, prolonged use can accelerate the aging of internal components due to the heat generated during operation, affecting their lifespan. High temperatures can also be conducted to the handle area, causing the grip area to overheat and posing a risk of burns.

[0003] Although some products have attempted to reduce their size, they still suffer from low heat dissipation efficiency, making it difficult to balance miniaturization and heat dissipation performance. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a hair dryer that combines miniaturization and heat dissipation, as well as a housing assembly, in order to at least solve one of the problems of the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: This utility model provides a hair dryer, including: A columnar housing assembly, the housing assembly including a mounting bracket component and a housing sleeved outside the mounting bracket component, the mounting bracket component defining a main air duct and a main air inlet and a main air outlet communicating with the environment and the main air duct; Heating components are installed inside the main air duct; The fan component is disposed in the main air duct and located below the heating component, and can drive the airflow from the main air inlet through the main air duct to the main air outlet; The outer casing has a first opening and a second opening. The outer casing and the mounting bracket are spaced apart at least at the positions of the fan component and the heating component to define a heat dissipation duct, so that airflow can flow from the second opening through the heat dissipation duct to the first opening.

[0006] In the above technical solution, at least a portion of the first opening overlaps with the main air outlet, and the mounting bracket component is provided with at least one through hole, so that airflow can flow from the second opening through the heat dissipation duct and the through hole into the main air duct.

[0007] In any of the above technical solutions, the through hole is located below the fan component, and the second opening is located above the heating component; The mounting bracket component is formed from top to bottom as a first section, a transition section, and a second section. The second section is adapted to the outer shell in the circumferential direction. The first section and the outer shell are spaced apart to define the heat dissipation air duct. The transition section connects the first section and the second section. The through hole is provided in the transition section. The second section is provided with the main air inlet, and the hair dryer also includes a control component, which is disposed within the second section.

[0008] In any of the above technical solutions, the second port is located at the upper end of the outer shell, and the first port is located on the opposite side of the second port; The second opening includes a grid structure and / or a porous structure.

[0009] In any of the above technical solutions, the outer shell protrudes outward in the area where the second opening is located; An installation space is formed between the protruding part of the outer shell and the mounting bracket component. The hair dryer also includes a negative ion component, which is located within the installation space.

[0010] In any of the above technical solutions, the mounting bracket component further defines a water ion air duct, the water ion air duct having a water ion air inlet and a water ion air outlet that are directly or indirectly connected to the environment, and the hair dryer further includes a water ion module, the water ion module being disposed within the water ion air duct.

[0011] In any of the above technical solutions, the water ion air inlet is connected to the main air duct and located below the heating component, so that the airflow can be diverted in the main air duct and flow through the air inlet to the water ion air duct; The water ion outlet and the main outlet are independent of each other and are located on the same side of the mounting bracket component.

[0012] In any of the above technical solutions, the mounting bracket component includes a hollow body and a convex wall structure protruding from the outer wall surface of the body. The main air duct is defined within the body, and the body and the outer shell are spaced apart to define the heat dissipation air duct. The convex wall structure and the outer wall surface of the body enclose the water ion air duct.

[0013] In any of the above technical solutions, the main air inlet is located at the lower end of the body, and the main air outlet is located on the side wall at the upper end of the body; The portion of the main body opposite to the convex wall structure forms a first straight wall and a first guide wall. One end of the first guide wall is transitionally connected to the first straight wall, and the other end bends and extends toward the main air outlet. The convex wall structure forms a second straight wall and a second guide wall. One end of the second guide wall is transitionally connected to the second straight wall, and the other end bends and extends toward the water ion outlet. The second straight wall is opposite to the first straight wall and part of the first guide wall. The second guide wall is opposite to the first guide wall. The convex wall structure also forms an annular wall structure, which is located at the top of the first guide wall and connected to the first guide wall and the second guide wall. The annular wall structure encloses a receiving space, and the water ion module is disposed within the receiving space.

[0014] In any of the above technical solutions, the mounting bracket component includes a first housing and a second housing, the first housing and the second housing are connected and spliced ​​to form the main air duct and the water ion air duct, and the splicing line extends along the axial direction of the mounting bracket component.

[0015] Another aspect of this utility model provides a housing assembly, the housing assembly being columnar and comprising: The mounting bracket component defines a main air duct and a main air inlet and a main air outlet that connect the environment to the main air duct. The main air duct defines a first space for accommodating a heating component and a second space for accommodating a fan component. The second space is located below the first space. The outer casing is fitted over the mounting bracket component. The outer casing has a first opening and a second opening. The outer casing and the mounting bracket component are spaced apart at least at the positions of the first space and the second space to define a heat dissipation channel, so that airflow can flow from the second opening through the heat dissipation channel to the first opening.

[0016] The hair dryer provided by this utility model is different from the conventional hair dryer consisting of a head and a handle. It provides a hair dryer with an overall columnar shape, which is simpler in design, has smoother lines, and can achieve miniaturization and portability.

[0017] The housing and mounting bracket components are spaced apart at least at the locations of the fan and heating components, effectively isolating the heating and fan components in the main air duct from the housing. This helps reduce the transfer of heat generated during operation from the heating and fan components to the housing. Furthermore, the space between the housing and the mounting bracket components forms a heat dissipation duct. The fan component drives airflow from the second inlet through the heat dissipation duct to the first inlet, carrying away the heat generated during operation of the fan and heating components. Through convection, heat accumulation inside the housing components is continuously prevented, significantly reducing the product's surface temperature and preventing burns to the user's hands. This improves product safety and operational comfort, while also reducing damage to internal components from high temperatures, delaying material aging, and extending the lifespan of the hair dryer. Attached Figure Description

[0018] Figure 1 This is a perspective view of a hair dryer according to an embodiment of the present invention. Figure 2 This is a perspective view of a hair dryer according to an embodiment of the present invention. Figure 3 This is a front view of a hair dryer according to an embodiment of the present invention; Figure 4 This is a side view of a hair dryer according to an embodiment of the present invention; Figure 5 This is a cross-sectional view of a hair dryer according to an embodiment of the present invention; Figure 6 This is a cross-sectional view of another hair dryer according to one embodiment of the present invention; Figure 7 for Figure 6 Enlarged sectional view of part of the structure; Figure 8 This is a cross-sectional view of a housing assembly according to an embodiment of the present invention; Figure 9 This is a perspective view of a mounting bracket component according to an embodiment of the present invention; Figure 10 This is a perspective view of a mounting bracket component according to an embodiment of the present invention; Figure 11 This is a perspective view of the mounting bracket component according to an embodiment of the present invention. Figure 12 This is a cross-sectional view of a mounting bracket component according to an embodiment of the present invention; Figure 13 This is another cross-sectional view of a mounting bracket component according to an embodiment of the present invention; Figure 14 This is an exploded view of a mounting bracket component according to an embodiment of the present invention; Figure 15 This is an exploded view of a hair dryer according to an embodiment of the present invention.

[0019] The correspondence between the reference numerals and the component names is as follows: 10. Hair dryer; 100. Housing assembly; 110. Mounting bracket component; 110A. First housing; 110B. Second housing; 1101. Through hole; 1102. First space; 1103. Second space; 111A. First section; 112A. Transition section; 113A. Second section; 111B. Body; 111B1. First straight wall; 111B2. First guide wall; 112B. Protruding wall structure; 112B1. Second straight wall; 112B2. Second guide wall; 112B3. Annular wall structure; 120. Outer casing; 121. First inlet; 122. Second inlet; 123. Air intake structure; 130. Air outlet structure; 131. Opening; 140. Main air duct; 141. Main air inlet; 142. Main air outlet; 150. Heat dissipation airflow; 151. Installation space; 160. Water ion air duct; 161. Water ion air inlet; 162. Water ion air outlet; 163. Storage space; 200. Heating component; 300. Fan component; 400. Control component; 500. Negative ion component; 520. Discharge needle; 600. Water ion module; 700. Filter structure. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0022] The following is a reference to the appendix. Figure 1 To be continued Figure 15 This invention describes a hair dryer 10 and a housing assembly 100 according to some embodiments of the present invention.

[0023] like Figure 1 , Figure 2 and Figure 5 As shown, an embodiment of the present invention provides a hair dryer 10, which includes a housing assembly 100, a heating element 200, and a fan assembly 300.

[0024] The housing assembly 100 includes a mounting bracket component 110 and a housing 120, with the housing 120 fitted over the mounting bracket component 110. The housing assembly 100 is cylindrical. Specifically, the cylindrical housing assembly 100 has a longitudinally extending structure, with its height greater than its cross-sectional dimension. This invention does not limit the specific shape of the housing assembly 100; it can be cylindrical, prismatic, elliptical, etc., and will not be listed here. It can be designed according to actual needs. Furthermore, the housing assembly 100 is not limited to a straight-up-down structure in appearance; it can also be designed with partial protrusions or recesses on the sides, as long as it is generally cylindrical.

[0025] Understandably, the shape of the housing assembly 100 is also the appearance of the hair dryer 10. Unlike conventional hair dryers that consist of a head and a handle, this utility model provides a hair dryer 10 with an overall columnar shape. This hair dryer 10 has a simpler shape, smoother lines, and can achieve miniaturization and portability.

[0026] The mounting bracket component 110 defines a main air duct 140 and a main air inlet 141 and a main air outlet 142 that connect the environment and the main air duct 140. The heating component 200 and the fan component 300 are respectively disposed in the main air duct 140, and the fan component 300 is located below the heating component 200. The heating component 200 is located upstream of the fan component 300 in the main air duct 140. The fan component 300 can drive the airflow from the main air inlet 141 through the main air duct 140 to the main air outlet 142. This makes full use of the longitudinal space of the columnar housing component 100. On the one hand, it is beneficial to reduce the cross-section of the product and realize the miniaturization design of the product. On the other hand, it is understandable that the periphery of the housing component 100 can be gripped by the user. The smaller cross-section is more conducive to improving the user's grip.

[0027] The housing 120 is provided with a first opening 121 and a second opening 122. The housing 120 and the mounting bracket component 110 are spaced apart at least at the positions of the fan component 300 and the heating component 200 to define a heat dissipation duct 150, so that airflow can flow from the second opening 122 through the heat dissipation duct 150 to the first opening 121.

[0028] The hair dryer 10 provided in this embodiment has a housing 120 and a mounting bracket component 110 that are spaced apart at least at the positions of the fan component 300 and the heating component 200. This effectively isolates the heating component 200 and the fan component 300 in the main air duct 140 from the housing 120, which helps to reduce the transfer of heat generated during operation from the heating component 200 and the fan component 300 to the housing 120. Furthermore, the portion of the housing 120 that is spaced apart from the mounting bracket component 110 forms a heat dissipation air duct 150. The fan component 300 can drive airflow from the second port 122 through the heat dissipation air duct 150 to the first port 121, carrying away the heat generated during operation of the fan component 300 and the heating component 200. Through convection, heat is continuously prevented from accumulating inside the housing component 100, significantly reducing the surface temperature of the product, preventing users from burning their hands when holding it, improving the safety and comfort of product use, reducing damage to internal components from high temperatures, delaying material aging, and extending the service life of the hair dryer 10.

[0029] The main air duct 140 and the heat dissipation air duct 150 include at least two implementation methods.

[0030] In one embodiment, the main air duct 140 and the heat dissipation air duct 150 are two independent air ducts. The positions of the first inlet 121 and the main air outlet 142 do not overlap, and the positions of the second inlet 122 and the main air inlet 141 do not overlap.

[0031] For another implementation method, please refer to Figure 3 and Figure 5 At least a portion of the first opening 121 overlaps with the main air outlet 142. The mounting bracket component 110 is provided with at least one through hole 1101, so that airflow can flow from the second opening 122 through the heat dissipation duct 150 and the through hole 1101 into the main air duct 140.

[0032] Preferably, the first outlet 121 and the main air outlet 142 are completely overlapped.

[0033] By overlapping the first opening 121 of the heat dissipation duct 150 with the main air outlet 142, and providing a through hole 1101 in the mounting bracket component 110 to connect the heat dissipation duct 150 and the main air duct 140, firstly, the second opening 122 of the heat dissipation duct 150 can serve as a supplementary air intake for the main air duct 140. External airflow enters the heat dissipation duct 150 through this opening, absorbing the heat generated by the heating component 200 and the fan component 300. Then, it flows into the main air duct 140 through the through hole 1101, mixes with the airflow within the main air duct 140, and is discharged through the main air outlet 142 (or the first opening 121). This achieves heat dissipation for the outer casing 120 while simultaneously supplementing the airflow to the main air duct 140, increasing the overall airflow of the main air duct 140, and preventing airflow loss due to heat dissipation requirements. Secondly... In hot air mode, the airflow in the heat dissipation duct 150 absorbs heat to form a preheated airflow, which mixes with the cold air in the main air duct 140 before entering the heating element 200. This reduces the direct energy consumption of the heating element 200, alleviates its load, and improves heating efficiency, ensuring a stable and uniform outlet temperature. In addition, the integrated layout of the first outlet 121 and the main outlet 142 reduces the number of openings in the outer casing 120, simplifies the internal air duct structure, and achieves a compact design for the entire unit. At the same time, the main air duct 140 and the heat dissipation ventilation can be driven by a single fan component 300, eliminating the need for an independent drive component for the heat dissipation component, further reducing hardware costs and assembly complexity. While ensuring heat dissipation performance, air outlet stability, and operational safety, this design achieves product miniaturization, weight reduction, and improved reliability.

[0034] Further, please see Figure 4 and Figure 5 The through hole 1101 is located below the fan component 300, and the second opening 122 is located above the heating component 200. More specifically, the heat dissipation duct 150 extends downward from the height of the second opening 122 along the longitudinal direction of the housing 120 to the location of the fan component 300.

[0035] By placing the through hole 1101 below the fan component 300 and positioning the second opening 122 above the heating component 200, the heat dissipation airflow can flow from top to bottom through the corresponding areas of the heating component 200 and the fan component 300, ensuring that the heat dissipation air duct 150 completely covers the heat-generating area, avoiding local high temperature accumulation, and improving heat dissipation efficiency. At the same time, the upward design of the second opening 122 keeps it away from the lower middle area that the user's palm often touches when holding the hair dryer 10, effectively reducing the risk of air intake obstruction caused by the holding action blocking the second opening 122, ensuring the smooth airflow of the heat dissipation air duct 150, and avoiding the decrease in heat dissipation performance or internal heat retention caused by insufficient air intake.

[0036] In one embodiment, please refer to Figure 8 and Figure 11The mounting bracket component 110 is formed from top to bottom as a first section 111A, a transition section 112A, and a second section 113A. The second section 113A is adapted to the outer casing 120 in the circumferential direction. The first section 111A and the outer casing 120 are spaced apart to define a heat dissipation duct 150. The transition section 112A connects the first section 111A and the second section 113A. A through hole 1101 is provided in the transition section 112A. More specifically, the fan component 300 and the heating component 200 are disposed within the first section 111A. The transition section 112A is an inclined wall that slopes from the first section 111A to the second section 113A. A plurality of through holes 1101 are provided at intervals in the circumferential direction of the transition section 112A.

[0037] The mounting bracket component 110 is designed in segments from top to bottom. The first segment 111A forms a heat dissipation duct 150 with the outer shell 120, which expands the heat dissipation duct 150 and can dissipate heat to more locations, ensuring the heat dissipation effect. The circumferential fit between the second segment 113A and the outer shell 120 improves the assembly accuracy between the mounting bracket component 110 and the outer shell 120. The through hole 1101 is set on the transition segment 112A. The through hole 1101 is located in the downward airflow path. The combined effect of gravity and fan negative pressure ensures the flow of air from the heat dissipation duct 150 to the main air duct 140. Furthermore, the stepped spatial distribution from top to bottom achieves the compact integration of the heat dissipation duct 150 and the main air duct 140 within the limited body, reducing structural complexity and improving the convenience of production and assembly.

[0038] Further, please see Figure 6 and Figure 8 The second section 113A is provided with a main air inlet 141, and the hair dryer 10 also includes a control component 400, which is located in the second section 113A.

[0039] Compared to the first segment 111A, which is spaced apart from the outer casing 120, the second segment 113A, which is circumferentially adapted to the outer casing 120, has a larger radial space. Setting the main air inlet 141 on the second segment 113A is beneficial to expanding the main air inlet 141, increasing the air intake of the main air duct 140, and integrating the main air inlet 141 and the control component 400 into the second segment 113A to achieve a compact internal structure layout. Understandably, the heat generated by the control component 400 during operation is relatively small, and its heat dissipation needs are naturally carried away by the airflow flowing through the second segment 113A in the main air duct 140, which simplifies the structural design and ensures the operational stability of the control component 400.

[0040] It should be noted that the above design of the second opening 122 and the through hole 1101 is only a preferred embodiment of this utility model. In other embodiments, the through hole 1101 can also be designed to be located above the heating component 200, the second opening 122 can be located below the heating component 200, and the airflow in the heat dissipation duct 150 can flow from bottom to top.

[0041] In one embodiment, please refer to Figure 4 The second opening 122 is located at the upper end of the outer casing 120, and the first opening 121 is located on the opposite side of the second opening 122. The upward position of the second opening 122 and the first opening 121 moves them away from the lower middle area covered by the user's palm when holding the hair dryer 10, significantly reducing the risk of airflow obstruction caused by the holding action blocking the first opening 121 and the second opening 122. This ensures smooth airflow in the heat dissipation duct 150, guarantees heat dissipation efficiency and airflow stability. At the same time, the openings are concentrated at the upper part of the product, making the product appearance simpler and smoother, with a better design aesthetic. It also avoids the problem of weakened mechanical strength caused by the distribution of multiple holes, further enhancing the structural reliability.

[0042] Optionally, the second port 122 includes a grid structure and / or a porous structure to prevent foreign objects from entering the machine body.

[0043] Further, please see Figure 4 and Figure 7 The outer casing 120 protrudes outward in the area where the second opening 122 is located. The protruding structure design has a foolproof effect. The physical contour formed by the protrusion naturally guides the user's palm to be located in the area below the protrusion when holding the device, avoiding the hand covering the second opening 122 and thus preventing air intake obstruction, and ensuring a continuous and stable input of heat dissipation airflow.

[0044] An installation space 151 is formed between the protruding part of the outer casing 120 and the mounting bracket component 110. The hair dryer 10 also includes a negative ion component 500, which is located within the installation space 151.

[0045] More specifically, the negative ion component 500 includes a negative ion generator and two discharge needles 520 connected to the negative ion generator. In one embodiment, the two discharge needles 520 are disposed on the outer wall of the mounting bracket component 110 and extend through the wall of the mounting bracket component 110 into the main air duct 140, so that the discharge needles 520 can directly release ions in the main air duct 140 and discharge them together with the airflow of the main air duct 140.

[0046] The product integrates a negative ion generator 500, enabling functional expansion. The ions released by the negative ion generator 500 can be simultaneously discharged with the airflow of the main air duct 140 or the heat dissipation air duct 150, improving the smoothness and anti-static effect of hair during the blow-drying process. The extra space formed by the protrusion of the outer shell 120 provides a reasonable housing area for the negative ion generator 500, achieving a compact layout and miniaturized design. Furthermore, the negative ion generator 500 is also located within the heat dissipation air duct 150, which can dissipate heat from it in a timely manner, extending the service life of the negative ion generator 500 and further reducing the operating temperature of the outer shell 120.

[0047] Furthermore, the mounting bracket component 110 is recessed in the direction away from the outer casing 120 at the position corresponding to the negative ion component 500, further expanding the space for installing the negative ion component 500 in the heat dissipation duct 150, making full use of the space inside the machine, and making the layout more compact.

[0048] In one embodiment, please refer to Figure 6 The mounting bracket component 110 also defines a water ion air duct 160, which has a water ion air inlet 161 and a water ion air outlet 162 that are directly or indirectly connected to the environment. The hair dryer 10 also includes a water ion module 600, which is disposed in the water ion air duct 160.

[0049] By adding a water ion module 600, which releases water-containing negative ions, these ions adhere to the hair surface to enhance moisturizing effects, neutralize static electricity, and improve hair quality, thus improving the user experience. The independent water ion air duct 160 is directly or indirectly connected to the environment, providing a stable airflow input and output path for the water ion module 600. This avoids interference from the hot air in the main air duct 140 on the water ion generation environment, ensuring the uniformity of water ion concentration and release.

[0050] Furthermore, the water ion inlet 161 is connected to the main air duct 140 and located below the heating element 200, allowing airflow to be diverted from the main air duct 140 and flow through the inlet to the water ion air duct 160. Please refer to... Figure 10 The water ion outlet 162 and the main outlet 142 are independent of each other and are located on the same side of the mounting bracket component 110.

[0051] By connecting the water ion air inlet 161 to the main air duct 140 and placing it below the heating component 200, the unheated cold airflow in the main air duct 140 is diverted to the water ion air duct 160, avoiding interference from the high-temperature airflow with the working environment of the water ion module 600, and ensuring the concentration and stability of water ion generation. At the same time, the water ion air duct 160 is indirectly connected to the environment through the main air outlet 142, reducing the number of openings in the outer shell 120 and simplifying the product structure design. The water ion air outlet 162 and the main air outlet 142 are independent and arranged on the same side, so that the water ions and the heated hot air from the main air duct 140 are blown onto the hair simultaneously, optimizing the blow-drying coverage and improving hair care efficiency and user experience.

[0052] In one alternative embodiment, please refer to Figure 3 and Figure 15 The outer casing 120 is provided with an air outlet structure 130, which has two independent openings 131. One opening 131 communicates with the main air outlet 142, and the other opening 131 communicates with the water ion outlet 162. The inner wall of the opening 131 extends to form a guide function, so that the airflow discharged through the air outlet structure 130 can reliably blow onto the hair.

[0053] More specifically, the main air outlet 142 is elongated, and the opening 131 of the main air outlet 142 is adapted to the main air outlet 142. On the one hand, the elongated design of the main air outlet 142 is realized, which can not only ensure the air volume, but also adapt to the shape of the columnar housing component 100, which is conducive to reducing the size of the product. On the other hand, the elongated main air outlet 142 realizes linear air outlet, which makes it convenient for users to style their hair while drying it, eliminating the need for flat nozzle air outlet accessories.

[0054] More specifically, in the design where the heat dissipation duct 150 and the main air duct 140 share a single air outlet, the air outlet structure 130 is connected to the mounting bracket component 110, and the first opening 121 on the outer shell 120 is adapted to the air outlet structure 130. The first opening 121 is fitted outside the air outlet structure 130, making the overall product look simpler and the lines smoother.

[0055] In one embodiment, please refer to Figure 9 and Figure 12 The mounting bracket component 110 includes a hollow body 111B and a convex wall structure 112B protruding from the outer wall surface of the body 111B. The body 111B defines a main air duct 140. The body 111B and the outer shell 120 are spaced apart to define a heat dissipation air duct 150. The convex wall structure 112B and the outer wall surface of the body 111B together form a water ion air duct 160.

[0056] The convex wall structure 112B protrudes from a portion of the outer wall of the main body 111B, forming a water ion air duct 160 together with the outer wall of the main body 111B. At the same time, the space between the outer shell 120 and the main body 111B forms a heat dissipation air duct 150. Through the spatial nesting layout, the main air duct 140, the water ion air duct 160 and the heat dissipation air duct 150 are arranged in a compact manner, reducing the number of independent air duct components and the space occupied, making full use of space, reducing the overall size of the machine, and realizing the multi-functionality, miniaturization and portability of the product.

[0057] Further, please see Figure 13 The main air inlet 141 is located at the lower end of the body 111B, and the main air outlet 142 is located on the side wall at the upper end of the body 111B. The part of the body 111B opposite to the convex wall structure 112B forms a first straight wall 111B1 and a first guide wall 111B2. One end of the first guide wall 111B2 is connected to the first straight wall 111B1, and the other end extends towards the main air outlet 142. The inner surface of the first guide wall 111B2 guides the airflow from the main air inlet 141 to the main air outlet 142.

[0058] The convex wall structure 112B has a second straight wall 112B1 and a second guide wall 112B2. One end of the second guide wall 112B2 is connected to the second straight wall 112B1, and the other end extends towards the water ion outlet 162. The second straight wall 112B1 is opposite to the first straight wall 111B1 and part of the first guide wall 111B2. The second guide wall 112B2 is opposite to the first guide wall 111B2.

[0059] The convex wall structure 112B also forms an annular wall structure 112B3. The annular wall structure 112B3 is located at the top of the first guide wall 111B2 and is connected to the first guide wall 111B2 and the second guide wall 112B2. The annular wall structure 112B3 encloses the receiving space 163, and the water ion module 600 is disposed in the receiving space 163.

[0060] The first guide wall 111B2 directs the airflow of the main air duct 140 from the main air inlet 141 to the main air outlet 142. The second straight wall 112B1 is positioned opposite to the first straight wall 111B1 and part of the first guide wall 111B2. The second guide wall 112B2 is positioned opposite to the first guide wall 111B2, which expands the flow path of the water ion air duct 160 from upstream to downstream and reduces the flow velocity of the airflow from upstream to downstream, prolonging its contact time with the water ion module 600 and improving the water ion generation and carrying efficiency. The bending of the first guide wall 111B2 and the second guide wall 112B2 releases the space at the top of the housing assembly 100. The ring wall structure 112B3 centrally houses the water ion module 600 in the enclosed space 163 at the top, making full use of the top area and achieving a compact design of the whole structure.

[0061] In one embodiment, please refer to Figure 12 and Figure 14 The mounting bracket component 110 includes a first housing 110A and a second housing 110B. The first housing 110A and the second housing 110B are connected and spliced ​​to form a main air duct 140 and a water ion air duct 160, and the splicing line extends along the axial direction of the mounting bracket component 110.

[0062] The first housing 110A and the second housing 110B are joined together axially, simplifying the structure and assembly process of the mounting bracket component 110. The two housings are directly connected through an axially extended splicing line, reducing the difficulty of assembly. After being joined together, they simultaneously form the complete flow channel outline of the main air duct 140 and the water ion air duct 160, ensuring the sealing and continuity of the airflow path and avoiding airflow leakage or turbulence interference caused by the splicing of multiple components.

[0063] In one embodiment, please refer to Figure 1 and Figure 15The bottom of the outer casing 120 is provided with an air inlet structure 123, the mounting bracket component 110 is a hollow structure, and its bottom defines a main air inlet 141. The air inlet structure 123 and the main air inlet 141 are positioned opposite each other.

[0064] Compared to side air intake design, bottom air intake keeps the main air outlet 142 away from the user's grip area. This is especially beneficial for small hair dryers 10, preventing hand obstruction of air intake and ensuring the stability of airflow into the main air duct 140. It also reduces the probability of contact with hair, lowering the risk of accidental hair inhalation or tangling during operation and improving safety. Furthermore, the bottom main air intake 141 provides a certain degree of blind spot, making the sides of the outer casing 120 more complete and the product appearance simpler.

[0065] Furthermore, the hair dryer 10 also includes a filter structure 700, and the main air inlet 141 is provided with a grille structure or a porous structure. The filter structure 700 is clamped and fixed by the air inlet structure 123 and the main air inlet 141.

[0066] Please refer to Figures 1 to 15 In another aspect, this utility model provides a housing assembly 100, which is columnar and includes a mounting bracket component 110 and a housing 120.

[0067] The mounting bracket component 110 defines a main air duct 140 and a main air inlet 141 and a main air outlet 142 that connect the environment and the main air duct 140. The main air duct 140 defines a first space 1102 for accommodating the heating component 200 and a second space 1103 for accommodating the fan component 300. The second space 1103 is located below the first space 1102. The outer casing 120 is fitted over the mounting bracket component 110. The outer casing 120 has a first opening 121 and a second opening 122. The outer casing 120 and the mounting bracket component 110 are spaced apart at least at the positions of the first space 1102 and the second space 1103 to define a heat dissipation duct 150, so that airflow can flow from the second opening 122 through the heat dissipation duct 150 to the first opening 121.

[0068] The housing assembly 100 provided by this utility model is used in the hair dryer 10. Its specific structure and effect can be referred to the above-described embodiment of the hair dryer 10, and will not be repeated here.

[0069] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above 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 embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An electric hair dryer, characterized by comprising: include: A columnar housing assembly, the housing assembly including a mounting bracket component and a housing sleeved outside the mounting bracket component, the mounting bracket component defining a main air duct and a main air inlet and a main air outlet communicating with the environment and the main air duct; Heating components are installed inside the main air duct; The fan component is located inside the main air duct and below the heating component, and can drive the airflow from the main air inlet through the main air duct to the main air outlet. The outer casing has a first opening and a second opening. The outer casing and the mounting bracket are spaced apart at least at the positions of the fan component and the heating component to define a heat dissipation duct, so that airflow can flow from the second opening through the heat dissipation duct to the first opening.

2. The hair dryer according to claim 1, characterized in that, At least a portion of the first opening overlaps with the main air outlet, and the mounting bracket component is provided with at least one through hole, allowing airflow to flow from the second opening through the heat dissipation duct and the through hole into the main air duct.

3. The hair dryer according to claim 2, characterized in that, The through hole is located below the fan component, and the second opening is located above the heating component; The mounting bracket component is formed from top to bottom as a first section, a transition section, and a second section. The second section is adapted to the outer shell in the circumferential direction. The first section and the outer shell are spaced apart to define the heat dissipation air duct. The transition section connects the first section and the second section. The through hole is provided in the transition section. The second section is provided with the main air inlet, and the hair dryer also includes a control component, which is disposed within the second section.

4. The hair dryer according to any one of claims 1 to 3, characterized in that, The second opening is located at the upper end of the outer casing, and the first opening is located on the opposite side of the second opening; The second opening includes a grid structure and / or a porous structure.

5. The hair dryer according to claim 4, characterized in that, The outer shell protrudes outward in the area where the second opening is located; An installation space is formed between the protruding part of the outer shell and the mounting bracket component. The hair dryer also includes a negative ion component, which is located within the installation space.

6. The hair dryer according to any one of claims 1 to 3, characterized in that, The mounting bracket component further defines a water ion air duct, which has a water ion air inlet and a water ion air outlet that are directly or indirectly connected to the environment. The hair dryer also includes a water ion module, which is disposed within the water ion air duct.

7. The hair dryer according to claim 6, characterized in that, The water ion air inlet is connected to the main air duct and is located below the heating component, so that the airflow can be diverted in the main air duct and flow through the air inlet to the water ion air duct. The water ion outlet and the main outlet are independent of each other and are located on the same side of the mounting bracket component.

8. The hair dryer according to claim 6, characterized in that, The mounting bracket component includes a hollow body and a convex wall structure protruding from the outer wall surface of the body. The main air duct is defined within the body, and the body and the outer shell are spaced apart to define the heat dissipation air duct. The convex wall structure and the outer wall surface of the body together enclose the water ion air duct.

9. The hair dryer according to claim 8, characterized in that, The main air inlet is located at the lower end of the main body, and the main air outlet is located on the side wall at the upper end of the main body. The portion of the main body opposite to the convex wall structure forms a first straight wall and a first guide wall. One end of the first guide wall is transitionally connected to the first straight wall, and the other end bends and extends toward the main air outlet. The convex wall structure forms a second straight wall and a second guide wall. One end of the second guide wall is transitionally connected to the second straight wall, and the other end bends and extends toward the water ion outlet. The second straight wall is opposite to the first straight wall and part of the first guide wall. The second guide wall is opposite to the first guide wall. The convex wall structure also forms an annular wall structure, which is located at the top of the first guide wall and connected to the first guide wall and the second guide wall. The annular wall structure encloses a receiving space, and the water ion module is disposed within the receiving space.

10. The hair dryer according to claim 6, characterized in that, The mounting bracket component includes a first housing and a second housing, which are connected and assembled to form the main air duct and the water ion air duct, and the splicing line extends along the axial direction of the mounting bracket component.

11. A housing assembly, characterized in that, The housing assembly is columnar and includes: The mounting bracket component defines a main air duct and a main air inlet and a main air outlet that connect the environment to the main air duct. The main air duct defines a first space for accommodating a heating component and a second space for accommodating a fan component. The second space is located below the first space. The outer casing is fitted over the mounting bracket component. The outer casing has a first opening and a second opening. The outer casing and the mounting bracket component are spaced apart at least at the positions of the first space and the second space to define a heat dissipation channel, so that airflow can flow from the second opening through the heat dissipation channel to the first opening.

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