Electric hair drier air duct structure and electric hair drier

Abstract

The utility model relates to an electric hair drier air duct structure and an electric hair drier and belongs to the technical field of electric hair driers. An air duct structure of an electric hair drier comprises an air duct shell, an air duct cover, an air duct cover and an air duct cover, and the air duct shell is provided with an installation cavity. The installation shell assembly is located in the installation cavity, the installation shell assembly is provided with a first air passing channel, part of the installation shell assembly is matched with the air duct shell to form a second air passing channel, the air inlet, the first air passing channel, the second air passing channel and the air outlet are sequentially communicated, one end of the installation shell assembly is provided with an open hole, and the open hole is communicated with the air inlet. The first air passing channel communicates with the second air passing channel through the open hole. The fan assembly is located in the first air passing channel; the heating assembly is arranged on the mounting shell assembly and located in the second air passing channel. The fan assembly and the heating assembly are located in the first air passing channel and the second air passing channel respectively, and the open holes are formed to balance the temperature in the two air passing channels, so that the temperature of hot air output by the electric hair drier is more constant.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric hair dryers, in particular to an electric hair dryer air duct structure and an electric hair dryer. BACKGROUND

[0002] As a household appliance, an electric hair dryer is mainly used for drying and shaping hair. Its working principle is to drive the rotor to rotate by the motor, thereby rotating the fan blade to suck in air and blow it out after heating by the electric heating element. However, the electric hair dryer in the prior art has some technical defects, especially in terms of internal heat dissipation effect and temperature uniformity. When the electric hair dryer works for a long time, the continuous heating of the electric heating element and the motor will cause the internal temperature to rise. If the heat dissipation effect is poor, it will not only affect the service life of the electric hair dryer, but also may cause safety hazards. In addition, the internal temperature imbalance may cause local overheating at the positions of the electric heating element and the motor, so that the temperature of the blown hot air is unstable, which may also cause safety hazards. SUMMARY

[0003] Therefore, it is necessary to provide an electric hair dryer air duct structure and an electric hair dryer to solve the problems of poor internal heat dissipation effect and internal temperature imbalance of the electric hair dryer.

[0004] An electric hair dryer air duct structure comprises a wind tube shell, a mounting cavity is arranged on the wind tube shell, and an air inlet and an air outlet are arranged on the mounting cavity; a mounting shell assembly is arranged on the wind tube shell and located in the mounting cavity, the mounting shell assembly is provided with a first air passage, and part of the mounting shell assembly cooperates with the wind tube shell to form a second air passage; the air inlet, the first air passage, the second air passage and the air outlet are sequentially communicated, an opening is arranged at one end of the mounting shell assembly opposite to the air outlet, and the opening communicates the first air passage and the second air passage; a fan assembly is arranged on the mounting shell assembly and located in the first air passage, and an air inlet end of the fan assembly is arranged opposite to the air inlet; and a heating assembly is arranged on the mounting shell assembly and located in the second air passage.

[0005] The first aspect of the application discloses a hair dryer air duct structure, by sequentially communicating the air inlet, the first air passage, the second air passage and the air outlet, the airflow in the hair dryer can flow more smoothly. The fan assembly is installed in the first air passage, which allows external airflow to directly flow into the fan assembly, thereby achieving direct heat dissipation of the fan assembly, prolonging its service life and improving safety. The heating assembly is installed in the second air passage, so that the airflow flowing from the first air passage can be effectively heated by the heating assembly when entering the second air passage. This design helps to achieve uniform temperature distribution and ensure that the output hot air temperature of the hair dryer is more stable. The opening can effectively balance the temperature in the first air passage and the second air passage. During continuous use of the hair dryer, the heating assembly will continuously heat. To avoid the heating assembly continuously heating, which causes the output hot air temperature of the hair dryer to be inconsistent, the opening is provided to provide an adjustment mechanism. When the temperature in the second air passage is too high, the cold airflow in the first air passage will enter the second air passage through the opening, balancing the temperature in the two air passages and making the output hot air temperature of the hair dryer more constant. At the same time, it can avoid overheating of the heating assembly and cause safety hazards. The fan assembly and the heating assembly are installed in different air passages, which can reduce the risk of overheating, improve the safety of the hair dryer, and at the same time realize the compactness of the structure and the effective use of space, which helps to reduce the overall volume of the hair dryer.

[0006] In one of the embodiments, the mounting shell assembly includes a first mounting shell and a second mounting shell, the first mounting shell is arranged on the air duct shell, and the second mounting shell is arranged on the first mounting shell and the air duct shell; the first mounting shell cooperates with the second mounting shell to form a first air passage, the second mounting shell cooperates with the air duct shell to form a second air passage, the fan assembly is arranged on the first mounting shell, and the heating assembly is arranged on the second mounting shell; the second mounting shell is provided with the opening, and the opening is used to coordinate the temperature between the first air passage and the mounting cavity. By dividing the mounting shell assembly into the first mounting shell and the second mounting shell, modular design is realized, the manufacturing and assembly process of the hair dryer is more flexible and efficient, and the hair dryer is convenient to maintain. The first mounting shell and the second mounting shell cooperate to form the first air passage, and the second mounting shell and the air duct shell cooperate to form the second air passage, the air flow channel is optimized, the internal space of the hair dryer is effectively utilized, and the structure of the hair dryer is more compact. The fan assembly and the heating assembly are arranged on different mounting shells, direct contact between electrical components can be reduced, the risk of short circuit and overheating is reduced, and the safety of the hair dryer is improved. The opening is arranged to coordinate the temperature between the first air passage and the mounting cavity, this design helps to balance the temperature inside the hair dryer, avoids local overheating, and thus improves the safety and durability of the hair dryer. At the same time, coordinating the temperature between the first air passage and the mounting cavity can improve the blowing effect of the hair dryer, so that the blown air temperature is more uniform and comfortable. The design of the opening simplifies the air duct structure, the overall structure is simpler, and the manufacturing cost is reduced.

[0007] In one of the embodiments, the second mounting shell includes a second mounting shell body and a clamping plate, the second mounting shell body is provided with a mounting area, the clamping plate is arranged on the second mounting shell body and located in the mounting area, part of the first mounting shell extends into the mounting area, part of the first mounting shell is adapted to the clamping plate, the heating assembly is arranged on the second mounting shell body, and part of the heating assembly is arranged circumferentially around the second mounting shell body. By adapting the clamping plate to the first mounting shell, the structural integrity and durability of the mounting shell assembly are enhanced, and the stability of the entire air duct structure of the hair dryer is improved. Part of the heating assembly is arranged circumferentially around the second mounting shell body, this circumferential heating assembly layout can more uniformly heat the air flow, improve the heat dissipation efficiency, and reduce the risk of local overheating.

[0008] In one of the embodiments, the first mounting shell comprises a connecting portion and a mounting portion, the connecting portion is connected with the duct shell, one end of the mounting portion is arranged on the connecting portion, the second mounting shell is provided with a mounting area, the end of the mounting portion away from the connecting portion extends into the mounting area, and the end of the mounting portion away from the connecting portion is matched with the second mounting shell. Through the connection of the connecting portion with the duct shell and the matching of the mounting portion with the second mounting shell, the stable connection between the first mounting shell and the second mounting shell is ensured, and the stability and reliability of the entire hair dryer air duct structure are enhanced. The mounting portion extends into the mounting area and is matched with the second mounting shell, which further ensures the stable connection between the first mounting shell and the second mounting shell, and this design helps to more accurately control the distribution of airflow and heat, improving the thermal efficiency and performance of the hair dryer.

[0009] In one of the embodiments, the first mounting shell further comprises a plurality of support plates, the plurality of support plates are arranged at intervals in the circumferential direction of the mounting portion, and the ends of the plurality of support plates away from the mounting portion abut against the inner wall of the mounting area. By arranging the plurality of support plates at intervals in the circumferential direction of the mounting portion and abutting against the inner wall of the mounting area, the stability and rigidity of the entire air duct structure can be significantly enhanced. In addition, the design of the support plates helps to guide the airflow to pass through the air duct more uniformly, reducing the turbulence of the airflow inside the air duct, thereby improving the working efficiency and blowing effect of the hair dryer. The arrangement of the support plates can reduce the resonance and noise propagation inside the air duct.

[0010] In one of the embodiments, the end of the mounting portion away from the connecting portion is provided with a clamping groove, and part of the second mounting shell is matched with the clamping groove. By arranging the clamping groove at the end of the mounting portion away from the connecting portion and matching part of the second mounting shell with the clamping groove, quick assembly and disassembly can be achieved, improving the efficiency of maintenance and repair.

[0011] In one of the embodiments, the mounting portion is provided with a mounting space, and the fan assembly is arranged on the mounting portion and located in the mounting space. By arranging the mounting space in the mounting portion and mounting the fan assembly therein, the fan assembly can be conveniently installed and positioned, simplifying the assembly process. In addition, the design of mounting the fan assembly in the mounting space helps to dissipate heat from the fan assembly, reducing the overheating problem of the fan assembly caused by long-time operation, and improving the heat dissipation effect of the hair dryer.

[0012] In one of the embodiments, the air duct housing comprises an inner housing assembly, an air duct outer housing and a rear cover, the inner housing assembly is provided with the mounting cavity and the air outlet, the air duct outer housing is sleeved outside the inner housing assembly, and the rear cover is detachably arranged on the inner housing assembly and located at an end of the inner housing assembly away from the air outlet, and the rear cover is provided with the air inlet. The modular design of the air duct housing composed of the inner housing assembly, the air duct outer housing and the rear cover enables independent manufacturing and replacement of each part, improving the flexibility of production and maintenance. The air duct outer housing is sleeved outside the inner housing assembly, providing protection and support and enhancing the structural stability of the entire air duct housing. The detachable rear cover arranged on the inner housing assembly enables the user to easily clean the air inlet area.

[0013] In one of the embodiments, the inner housing assembly is provided with a locking groove, and the rear cover is provided with a locking protrusion matched with the locking groove. The locking groove arranged on the inner housing assembly and the locking protrusion matched with the locking groove arranged on the rear cover enable quick and accurate assembly. The matching of the locking protrusion and the locking groove enables easy disassembly and reinstallation of the rear cover, facilitating maintenance and cleaning of the components in the air inlet area. The hidden design of the locking protrusion and the locking groove helps maintain the neatness and beauty of the appearance of the hair dryer.

[0014] In one of the embodiments, a filter screen is further included, which is arranged on the inner housing assembly and opposite to the rear cover. The arrangement of the filter screen prevents larger particles or foreign matters from entering the hair dryer, avoiding damage to the fan assembly and other internal components and prolonging the service life of the equipment. The opposite arrangement of the filter screen and the rear cover and the detachable design of the rear cover facilitate the user to perform daily maintenance and cleaning of the filter screen.

[0015] A hair dryer comprises: a hair dryer air duct structure as described above; a handle housing arranged on the hair dryer air duct structure, the handle housing being provided with a containing cavity; and a control assembly arranged on the handle housing and located in the containing cavity.

[0016] The second aspect of the present application discloses a hair dryer, which realizes integrated design of the hair dryer by combining the hair dryer air duct structure with the handle housing, making the overall structure more compact. The integrated control assembly in the handle housing makes the appearance of the hair dryer more neat and beautiful. In addition, the keys are additionally arranged on the handle housing, and the keys are connected with the control assembly, so that the user can easily control the start and stop of the hair dryer by adjusting the keys when holding the handle housing to use the hair dryer. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 FIG. 1 is a perspective view of a hair dryer air duct structure;

[0018] Figure 2 is a sectional view of the air duct structure of the hair dryer;

[0019] Figure 3 is a sectional view of the air duct shell and the mounting shell assembly;

[0020] Figure 4 is a structural schematic view of the air duct shell and the mounting shell assembly;

[0021] Figure 5 is a perspective view of the first mounting shell and the second mounting shell;

[0022] Figure 6 is a structural schematic view of the first mounting shell and the second mounting shell;

[0023] Figure 7 is a perspective view of the second mounting shell;

[0024] Figure 8 is a perspective view of the first mounting shell;

[0025] Figure 9 is a structural schematic view of the back cover and the inner shell assembly;

[0026] Figure 10 is an exploded view of the air duct shell;

[0027] Figure 11 is a perspective view of the hair dryer.

[0028] Correspondence between the reference signs and the component names is as follows:

[0029] 1 air duct shell, 11 inner shell assembly, 12 air duct outer shell, 13 back cover, 131 locking protrusion, 101 mounting cavity, 102 air inlet, 103 air outlet, 104 locking groove;

[0030] 2 mounting shell assembly, 21 first mounting shell, 211 connecting part, 212 mounting part, 213 support plate, 22 second mounting shell, 221 main body of the second mounting shell, 222 clamping plate, 201 first air passage, 202 second air passage, 203 opening, 204 mounting area, 206 clamping groove, 207 mounting space;

[0031] 3 fan assembly;

[0032] 4 heating assembly;

[0033] 5 filter screen. DETAILED DESCRIPTION

[0034] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention 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.

[0035] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the scope of protection of the invention is not limited to the specific embodiments disclosed below.

[0036] The following describes the hair dryer duct structure and hair dryer according to some embodiments of the present invention with reference to the accompanying drawings.

[0037] Example 1, as Figures 1 to 11 As shown, this embodiment discloses a hair dryer duct structure, including: a hair dryer housing 1, the hair dryer housing 1 having a mounting cavity 101, the mounting cavity 101 having an air inlet 102 and an air outlet 103; a mounting housing assembly 2, the mounting housing assembly 2 being disposed on the hair dryer housing 1 and located within the mounting cavity 101, the mounting housing assembly 2 having a first air passage 201, a portion of the mounting housing assembly 2 cooperating with the hair dryer housing 1 to form a second air passage 202, the air inlet 102, the first air passage 201, and the second air passage 203; and the air inlet 102, the first air passage 201, and the second air passage 203. The air passage 202 and the air outlet 103 are connected in sequence. The end of the mounting housing assembly 2 opposite to the air outlet 103 is provided with an opening 203, which connects the first air passage 201 and the second air passage 202. The fan assembly 3 is mounted on the mounting housing assembly 2 and located in the first air passage 201. The air inlet end of the fan assembly 3 is opposite to the air inlet 102. The heating assembly 4 is mounted on the mounting housing assembly 2 and located in the second air passage 202.

[0038] The first aspect of the application discloses a hair dryer air duct structure. By sequentially connecting the air inlet 102, the first air passage 201, the second air passage 202 and the air outlet 103, the airflow in the hair dryer can flow more smoothly. The fan assembly 3 is installed in the first air passage 201, which allows external airflow to directly flow into the fan assembly 3, thereby achieving direct heat dissipation for the fan assembly 3, prolonging its service life and improving safety. The heating assembly 4 is installed in the second air passage 202, so that the airflow flowing from the first air passage 201 can be effectively heated by the heating assembly 4 when entering the second air passage 202. This design helps to achieve uniform temperature distribution and ensures that the output hot air temperature of the hair dryer is more stable. The opening 203 can effectively balance the temperature in the first air passage 201 and the second air passage 202. During continuous use of the hair dryer, the heating assembly 4 will continuously heat. To avoid the continuous heating of the heating assembly 4 causing the output hot air temperature of the hair dryer to be inconsistent, the opening 203 is provided, which provides an adjustment mechanism. When the temperature in the second air passage 202 is too high, the cold airflow in the first air passage 201 will enter the second air passage 202 through the opening 203, balancing the temperature in the two air passages and making the output hot air temperature of the hair dryer more constant. At the same time, it can avoid overheating of the heating assembly 4 and cause safety hazards. The fan assembly 3 and the heating assembly 4 are installed in different air passages, which can reduce the risk of overheating, improve the safety of the hair dryer, and at the same time realize the compactness of the structure and the effective use of space, which helps to reduce the overall volume of the hair dryer.

[0039] As Figure 4 , Figure 5 and Figure 7As shown, in addition to the features of the above embodiments, this embodiment is further defined as: the mounting housing assembly 2 includes a first mounting housing 21 and a second mounting housing 22, the first mounting housing 21 is arranged on the duct housing 1, and the second mounting housing 22 is arranged on the first mounting housing 21 and the duct housing 1; the first mounting housing 21 cooperates with the second mounting housing 22 to form a first air passage 201, the second mounting housing 22 cooperates with the duct housing 1 to form a second air passage 202, the fan assembly 3 is arranged on the first mounting housing 21, and the heating assembly 4 is arranged on the second mounting housing 22; the second mounting housing 22 is provided with an opening 203, and the opening 203 is used to coordinate the temperature between the first air passage 201 and the mounting cavity 101. By dividing the mounting housing assembly 2 into the first mounting housing 21 and the second mounting housing 22, modular design is realized, making the manufacturing and assembly process of the hair dryer more flexible and efficient, and facilitating the maintenance of the hair dryer. The cooperation of the first mounting housing 21 and the second mounting housing 22 forms the first air passage 201, and the cooperation of the second mounting housing 22 and the duct housing 1 forms the second air passage 202, which optimizes the air flow channel while effectively utilizing the internal space of the hair dryer, making the structure of the hair dryer more compact. The fan assembly 3 and the heating assembly 4 are arranged on different mounting housings, which can reduce the direct contact between electrical components, reduce the risk of short circuit and overheating, and improve the safety of the hair dryer. The opening 203 is arranged to coordinate the temperature between the first air passage 201 and the mounting cavity 101, which helps to balance the temperature inside the hair dryer and avoid local overheating, thereby improving the safety and durability of the hair dryer. At the same time, coordinating the temperature between the first air passage 201 and the mounting cavity 101 can improve the blowing effect of the hair dryer, making the blown air temperature more uniform and comfortable. The design of the opening 203 simplifies the air duct structure, making the overall structure simpler and reducing the manufacturing cost.

[0040] As Figure 4 , Figure 5 and Figure 6As shown, in addition to the features of the above embodiments, this embodiment is further defined as: the second mounting shell 22 comprises a second mounting shell body 221 and a clamping plate 222, the second mounting shell body 221 is provided with a mounting area 204, the clamping plate 222 is arranged on the second mounting shell body 221 and located within the mounting area 204, part of the first mounting shell 21 extends into the mounting area 204, the part of the first mounting shell 21 is adapted with the clamping plate 222, the heating assembly 4 is arranged on the second mounting shell body 221, and part of the heating assembly 4 is arranged circumferentially around the second mounting shell body 221. Through the adaptive connection of the clamping plate 222 and the first mounting shell 21, the structural integrity and durability of the mounting shell assembly 2 are enhanced, and the stability of the entire hair dryer air duct structure is improved. Part of the heating assembly 4 is arranged circumferentially around the second mounting shell body 221. This circumferential heating assembly layout can more evenly heat the airflow, while improving heat dissipation efficiency and reducing the risk of local overheating.

[0041] As shown in Figure 6 and Figure 8 As shown, in addition to the features of the above embodiments, this embodiment is further defined as: the first mounting shell 21 comprises a connecting portion 211 and a mounting portion 212, the connecting portion 211 is connected with the air duct shell 1, one end of the mounting portion 212 is arranged on the connecting portion 211, the second mounting shell 22 is provided with a mounting area 204, the end of the mounting portion 212 away from the connecting portion 211 extends into the mounting area 204, and the end of the mounting portion 212 away from the connecting portion 211 is adapted with the second mounting shell 22. Through the connection of the connecting portion 211 with the air duct shell 1 and the adaptation of the mounting portion 212 with the second mounting shell 22, the stable connection between the first mounting shell 21 and the second mounting shell 22 is ensured, and the stability and reliability of the entire hair dryer air duct structure are enhanced. The mounting portion 212 extends into the mounting area 204 and is adapted with the second mounting shell 22, which further ensures the stable connection between the first mounting shell 21 and the second mounting shell 22. At the same time, this design helps to more accurately control the distribution of airflow and heat, improving the thermal efficiency and performance of the hair dryer.

[0042] As shown in Figure 6 and Figure 8As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the first mounting shell 21 also includes a plurality of support plates 213, which are spaced apart in the circumferential direction of the mounting portion 212, and one end of each support plate 213 away from the mounting portion 212 abuts against the inner wall of the mounting area 204. By having a plurality of support plates 213 spaced apart in the circumferential direction of the mounting portion 212 and abutting against the inner wall of the mounting area 204, the stability and rigidity of the entire air duct structure can be significantly enhanced. Furthermore, the design of the support plates 213 helps to guide airflow more evenly through the air duct, reducing airflow turbulence within the air duct, thereby improving the working efficiency and blowing effect of the hair dryer. The provision of the support plates 213 can reduce resonance and noise transmission within the air duct.

[0043] like Figure 6 and Figure 8 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: a snap-fit ​​groove 206 is provided at the end of the mounting portion 212 away from the connecting portion 211, and a portion of the second mounting shell 22 is adapted to the snap-fit ​​groove 206. By providing the snap-fit ​​groove 206 at the end of the mounting portion 212 away from the connecting portion 211 and adapting a portion of the second mounting shell 22 to it, quick assembly and disassembly can be achieved, improving the efficiency of maintenance and repair.

[0044] like Figure 2 and Figure 8 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the mounting part 212 is provided with a mounting space 207, and the fan assembly 3 is disposed on the mounting part 212 and located within the mounting space 207. By providing the mounting space 207 in the mounting part 212 and installing the fan assembly 3 therein, the fan assembly 3 can be easily installed and positioned, simplifying the assembly process. Furthermore, the design of the fan assembly 3 being installed within the mounting space 207 helps to dissipate heat from the fan assembly 3, reducing the overheating problem caused by prolonged operation of the fan assembly 3 and improving the heat dissipation effect of the hair dryer.

[0045] like Figure 3 , Figure 9 and Figure 10As shown, in addition to the features of the above embodiments, this embodiment further defines: the duct housing 1 includes an inner housing assembly 11, an outer housing 12, and a rear cover 13. The inner housing assembly 11 has a mounting cavity 101 and an air outlet 103. The outer housing 12 is fitted over the inner housing assembly 11. The rear cover 13 is detachably mounted on the inner housing assembly 11 and is located at the end of the inner housing assembly 11 away from the air outlet 103. The rear cover 13 has an air inlet 102. The modular design of the duct housing 1, consisting of the inner housing assembly 11, the outer housing 12, and the rear cover 13, allows each part to be manufactured and replaced independently, improving production and maintenance flexibility. The outer housing 12, fitted over the inner housing assembly 11, provides protection and support, enhancing the structural stability of the entire duct housing 1. The detachable rear cover 13 allows users to easily clean the air inlet 102 area.

[0046] like Figure 9 and Figure 10 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the inner housing assembly 11 is provided with a locking groove 104, and the rear cover 13 is provided with a locking protrusion 131, the locking protrusion 131 being adapted to the locking groove 104. By providing the locking groove 104 on the inner housing assembly 11 and the corresponding locking protrusion 131 on the rear cover 13, quick and accurate assembly can be achieved. The adaptation of the locking protrusion 131 to the locking groove 104 makes the rear cover 13 easy to disassemble and reinstall, facilitating the maintenance and cleaning of components in the air inlet 102 area. The concealed design of the locking protrusion 131 and the locking groove 104 helps to maintain the neat and aesthetically pleasing appearance of the hair dryer.

[0047] like Figure 2 and Figure 3 As shown, in addition to the features of the above embodiments, this embodiment further includes a filter screen 5, which is disposed on the inner housing assembly 11 and is positioned opposite to the rear cover 13. By providing the filter screen 5, larger particles or foreign objects can be prevented from entering the hair dryer, avoiding damage to the fan assembly 3 and other internal components, and extending the service life of the equipment. The filter screen 5 is positioned opposite to the rear cover 13, and the rear cover 13 is designed to be removable, facilitating daily maintenance and cleaning of the filter screen 5 by the user.

[0048] Example 2, as Figures 1 to 11 As shown, this embodiment discloses a hair dryer, including: the hair dryer air duct structure as described above; a handle housing, which is disposed on the hair dryer air duct structure and has a receiving cavity; and a control component, which is disposed on the handle housing and located within the receiving cavity.

[0049] The second aspect of the application discloses a hair dryer, which integrates the hair dryer air duct structure and the handle shell, realizes the integrated design of the hair dryer, and makes the overall structure more compact. The control assembly is integrated in the handle shell, so that the appearance of the hair dryer is more neat and beautiful. In addition, the keys are additionally arranged on the handle shell, the keys are connected with the control assembly, and when a user holds the handle shell to use the hair dryer, the user can conveniently control the start and stop of the hair dryer by adjusting the keys.

[0050] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, but as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present application.

[0051] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the scope of the patent protection of the present application should be subject to the appended claims.

Claims

1. A hair dryer duct structure, characterized in that, include: The air duct housing (1) is provided with an installation cavity (101), and the installation cavity (101) is provided with an air inlet (102) and an air outlet (103); The mounting housing assembly (2) is disposed on the air duct housing (1) and located in the mounting cavity (101). The mounting housing assembly (2) is provided with a first air passage (201). A portion of the mounting housing assembly (2) cooperates with the air duct housing (1) to form a second air passage (202). The air inlet (102), the first air passage (201), the second air passage (202) and the air outlet (103) are connected in sequence. One end of the mounting housing assembly (2) opposite to the air outlet (103) is provided with an opening (203). The opening (203) connects the first air passage (201) and the second air passage (202). A fan assembly (3) is disposed on the mounting housing assembly (2) and located in the first air passage (201), and the air inlet end of the fan assembly (3) is disposed opposite to the air inlet (102); Heating component (4) is disposed on the mounting housing assembly (2) and located within the second air passage (202).

2. The hair dryer duct structure according to claim 1, characterized in that, The mounting housing assembly (2) includes a first mounting housing (21) and a second mounting housing (22). The first mounting housing (21) is disposed on the air duct housing (1), and the second mounting housing (22) is disposed on the first mounting housing (21) and the air duct housing (1). The first mounting housing (21) and the second mounting housing (22) cooperate to form a first air passage (201), and the second mounting housing (22) cooperates with the air duct housing (1) to form a second air passage (202). The fan assembly (3) is disposed on the first mounting housing (21), and the heating assembly (4) is disposed on the second mounting housing (22). The second mounting housing (22) is provided with the opening (203), which is used to coordinate the temperature between the first air passage (201) and the mounting cavity (101).

3. The hair dryer duct structure according to claim 2, characterized in that, The second mounting shell (22) includes a second mounting shell body (221) and a snap-fit ​​plate (222). The second mounting shell body (221) has a mounting area (204). The snap-fit ​​plate (222) is disposed on the second mounting shell body (221) and located in the mounting area (204). A portion of the first mounting shell (21) extends into the mounting area (204). A portion of the first mounting shell (21) is adapted to the snap-fit ​​plate (222). The heating component (4) is disposed on the second mounting shell body (221). A portion of the heating component (4) is arranged circumferentially around the second mounting shell body (221).

4. The hair dryer duct structure according to claim 2, characterized in that, The first mounting shell (21) includes a connecting part (211) and a mounting part (212). The connecting part (211) is connected to the air duct shell (1). One end of the mounting part (212) is disposed on the connecting part (211). The second mounting shell (22) is provided with a mounting area (204). One end of the mounting part (212) away from the connecting part (211) extends into the mounting area (204). The end of the mounting part (212) away from the connecting part (211) is adapted to the second mounting shell (22).

5. The hair dryer duct structure according to claim 4, characterized in that, The first mounting shell (21) also includes a plurality of support plates (213), which are spaced apart in the circumferential direction of the mounting part (212), and one end of the plurality of support plates (213) away from the mounting part (212) abuts against the inner wall of the mounting area (204).

6. The hair dryer duct structure according to claim 4, characterized in that, The mounting portion (212) is provided with a snap-fit ​​groove (206) at one end away from the connecting portion (211), and a portion of the second mounting shell (22) is adapted to the snap-fit ​​groove (206); And / or the mounting part (212) is provided with a mounting space (207), and the fan assembly (3) is disposed on the mounting part (212) and located within the mounting space (207).

7. The hair dryer duct structure according to claim 1, characterized in that, The duct housing (1) includes an inner housing assembly (11), an outer housing (12), and a rear cover (13). The inner housing assembly (11) has the mounting cavity (101) and the air outlet (103). The outer housing (12) is fitted over the inner housing assembly (11). The rear cover (13) is detachably mounted on the inner housing assembly (11). The rear cover (13) is located at the end of the inner housing assembly (11) away from the air outlet (103). The rear cover (13) has the air inlet (102).

8. The hair dryer duct structure according to claim 7, characterized in that, The inner housing assembly (11) is provided with a locking groove (104), and the rear cover (13) is provided with a locking protrusion (131), which is adapted to the locking groove (104).

9. The hair dryer duct structure according to claim 7, characterized in that, It also includes a filter screen (5), which is disposed on the inner housing assembly (11) and is disposed opposite to the rear cover (13).

10. A hair dryer, characterized in that, include: The hair dryer duct structure as described in any one of claims 1 to 9; A handle housing is disposed on the air duct structure of the hair dryer, and the handle housing is provided with a receiving cavity; A control component is disposed on the handle housing and located within the receiving cavity.

Images