Air duct assembly and air blower

Abstract

The utility model relates to an air duct assembly and an air blower, and belongs to the technical field of air blowers, the air duct assembly comprises a shell assembly, the shell assembly is provided with a mounting cavity with two open ends, and the shell assembly is provided with an air inlet communicated with the mounting cavity; the air duct shell is arranged on the shell assembly and located in the installation cavity, the air duct shell is provided with an air duct cavity with the two ends open, the air duct shell is provided with a first air outlet and a second air outlet which communicate with the air duct cavity, and the first air outlet and the second air outlet are close to the two ends of the air duct cavity correspondingly; one side of the first air outlet is a first windward side, the other side of the first air outlet is a first air guide side, one side of the second air outlet is a second windward side, and the other side of the second air outlet is a second air guide side. The included angle between the first windward side and the horizontal direction and the included angle between the second windward side and the horizontal direction are acute angles, fluid conveying is more concentrated, the formed air pressure is large, and therefore hair of a user can be quickly dried.

Description

Technical Field

[0001] The utility model relates to the technical field of hair dryers, in particular to a wind tube component and a hair dryer. Background Art

[0002] A hair dryer is a commonly used household appliance. The negative pressure fluid generated by the fan inside the hair dryer is discharged from the air outlet of the hair dryer to dry the hair. However, the existing hair dryers have some defects in actual use: the fluid inside the hair dryer is not concentrated enough during the process of being transported to the outside, so that the wind pressure formed by the hair dryer is low, and it takes a long time for users to use the hair dryer to dry their hair, and the user experience is low. Utility Model Content

[0003] Based on this, it is necessary to provide a hair dryer assembly and a hair dryer to address the problem that the wind pressure formed by the hair dryer is low due to insufficient concentration of the fluid inside the hair dryer during transportation to the outside.

[0004] A wind tube assembly comprises: a shell assembly, the shell assembly is provided with a mounting cavity with openings at both ends, the shell assembly is provided with an air inlet connected to the mounting cavity; an air duct shell, the air duct shell is arranged on the shell assembly and located in the mounting cavity, the air duct shell is provided with an air duct cavity with openings at both ends, the air duct shell is provided with a first air outlet and a second air outlet connected to the air duct cavity, the first air outlet and the second air outlet are respectively close to the two ends of the air duct cavity; the shell assembly or the air duct shell is provided with an air passage cavity; or; the shell assembly and the The air duct shell encloses an air passage cavity, the air inlet, the air passage cavity, the first air outlet and the air duct cavity are connected in sequence, the air inlet, the air passage cavity, the second air outlet and the air duct cavity are connected in sequence; one side of the first air outlet is the first windward side, the other side of the first air outlet is the first wind-guiding side, one side of the second air outlet is the second windward side, the other side of the second air outlet is the second wind-guiding side, the angle between the first windward side and the horizontal direction is α, the angle between the second windward side and the horizontal direction is β, and both α and β are acute angles.

[0005] The present application discloses a hair dryer assembly, in which an air inlet connected to a mounting cavity is provided through a housing assembly for air intake. The first air outlet and the second air outlet are respectively close to the two ends of the air duct cavity, so that the fluid passing through the first air outlet and the second air outlet is more convenient to be transported to the outside world. The air inlet, the air passage cavity, the first air outlet and the air duct cavity are connected in sequence, and the air inlet, the air passage cavity, the second air outlet and the air duct cavity are connected in sequence, so that the hair dryer assembly of the present application has two channels for transporting fluid to the outside world, which can improve the efficiency of fluid transportation. The side through the first air outlet is the first windward side, and the side through the second air outlet is the second windward side. The angles between the first windward side and the second windward side and the horizontal direction are acute angles, so that the transportation of the fluid is more concentrated, and the wind pressure formed is relatively large, so that the user's hair can be dried quickly.

[0006] In one embodiment, the first windward side and the first wind guiding side are close to the openings on one side of the installation cavity, and the second windward side and the second wind guiding side are close to the openings on the other side of the installation cavity. By using the openings on the first windward side and the first wind guiding side close to the openings on one side of the installation cavity, and the openings on the second windward side and the second wind guiding side close to the openings on the other side of the installation cavity, the layout is reasonable and ingenious, which can improve the fluid delivery efficiency and provide a high user experience.

[0007] In one embodiment, the air duct housing is provided with a third air guiding side, the third air guiding side is arranged adjacent to the first air guiding side, and the cross section of the third air guiding side is a horizontal line, so that the air guiding performance is better.

[0008] In one embodiment, the cross section of the first windward side is an inclined line, and the cross section of the first wind-guiding side is an inclined line. The cross section of the first windward side is an inclined line, and the cross section of the first wind-guiding side is an inclined line, so that the fluid transported into the air duct cavity through the first air outlet is more concentrated, and the pressure of the fluid is high.

[0009] In one embodiment, the cross section of the second windward side is an inclined line, and the cross section of the second wind-guiding side is an inclined line. By making the cross section of the second windward side an inclined line and the cross section of the second wind-guiding side an inclined line, the fluid transported from the second air outlet to the air duct cavity can reduce contact with the cavity wall of the air duct cavity, reduce the pressure loss of the fluid during transportation, and increase the efficiency of transporting the fluid to the outside.

[0010] In one embodiment, the angle α is greater than 0° and less than 90°. The angle between the first windward side and the horizontal plane is greater than 0° and less than 90°, so that the pressure formed by the fluid is relatively large, so that the user can quickly dry the hair.

[0011] In one embodiment, the β is greater than 0° and less than 90°. The angle between the second windward side and the horizontal plane is greater than 0° and less than 90°, so that the pressure formed by the fluid is relatively large, and the user experience is good.

[0012] In one embodiment, the angle α is 30° and the angle β is 36°. Since the angle between the first windward side and the horizontal plane is 30° and the angle between the second windward side and the horizontal plane is 36°, the fluid transported to the outside is more concentrated and the pressure formed by the fluid is greater, so that the hair dryer dries the hair faster.

[0013] In one embodiment, the air inlet is arranged on the side wall of the housing assembly. Since the fluid can be transported toward the air passage cavities on both sides of the air inlet, it is more reasonable to arrange the air inlet on the side wall of the housing assembly.

[0014] In one embodiment, a control component is further included, and the control component includes a circuit board and a button. The circuit board is arranged on the air duct housing, and the circuit board is located in the air passage cavity. The button is arranged on the circuit board, and the button extends to the outside after passing through the air duct housing. The circuit board is located in the installation cavity, and the circuit board is located on the side where the second air outlet is located, so that the space of the installation cavity is reasonably utilized, and the structure of the hair dryer is more compact. The button is arranged on the circuit board, and the button extends to the outside after passing through the air duct housing, so that the user can accurately control the working state of the product through the button.

[0015] In one embodiment, the air passage cavity includes a hot air cavity and a cold air cavity, the hot air cavity is arranged around the air duct cavity, the hot air cavity is connected with the air inlet, the hot air cavity is connected with the air duct cavity through the first air outlet, the cold air cavity is connected with the air inlet, and the cold air cavity is connected with the air duct cavity through the second air outlet. The hot air cavity is connected with the air duct cavity through the first air outlet, and the hot air cavity is arranged around the air duct cavity, so that the air outlet area of ​​the hot air cavity is increased, so that the air outlet efficiency of the hot air cavity is higher. And the air delivered to the air duct cavity by the hot air cavity is more evenly distributed. The cold air cavity is connected with the air duct cavity through the second air outlet, so that the cold air is delivered to the air duct cavity after passing through the cold air cavity and the second air outlet, and the hot air is delivered to the air duct cavity after passing through the hot air cavity and the first air outlet. Devices that need to be refrigerated can be placed in the cold air cavity, and the devices that need to be refrigerated can be cooled during operation.

[0016] In one of the embodiments, a heating component is further included, and the heating component is arranged on the outer shell component and / or the air duct housing, and the heating component is arranged around the air duct housing, and the heating component is located in the hot air cavity. The arrangement of the heating component can convert cold air into hot air. The heating component is arranged around the air duct housing, so that the cold air is fully converted into hot air. Moreover, the efficiency of converting cold air into hot air is higher. By locating the heating component in the hot air cavity, the cold air is transported to the air duct cavity after passing through the cold air cavity and the second air outlet, and the air output from the hot air cavity and the cold air cavity is mixed and output, so that the output air volume can be guaranteed.

[0017] In one embodiment, the heating component includes a heat-insulating shell and a heating wire, wherein the heat-insulating shell is arranged on the housing component and / or the air duct shell, the heat-insulating shell is located in the hot air cavity, and the heating wire is arranged on the heat-insulating shell. The heating wire is arranged to convert cold air into hot air, and the heating wire is arranged on the heat-insulating shell. The heat-insulating shell can reduce the heat loss of the heating wire, and has a positive significance for saving energy and cost.

[0018] In one embodiment, the heat-insulating shell includes a heat-insulating shell body and a support plate, the heat-insulating shell body is arranged on the air duct shell, the number of the support plates is multiple, and the multiple support plates are arranged in sequence along the circumference of the heat-insulating shell body, and the heating wire is limited on the support plate. The multiple support plates are arranged in sequence along the circumference of the heat-insulating shell body, so that the heating wire can be sleeved on the support plate. Moreover, the heating wire is sleeved on the heat-insulating shell more accurately and firmly, so that the heating wire will not easily fall off the support plate when the hair dryer is turned over.

[0019] In one embodiment, the air duct housing includes an air outlet housing, an inner housing, a back cover and an air guide housing, the air guide housing is arranged on the outer housing assembly, the inner housing is arranged on the air guide housing and is located inside the air guide housing, the outer surface of the inner housing forms adjacent first and third air guide sides, the air outlet housing and the back cover are arranged on the outer housing assembly and are located at both ends of the inner housing, the air outlet housing is connected to the air guide housing, the back cover is connected to the inner housing, the air outlet housing, the inner housing and the back cover are enclosed to form the air duct cavity, the first air outlet is formed between the air outlet housing and the inner housing, and the second air outlet is formed between the inner housing and the back cover. By forming the first air outlet between the air outlet housing and the inner housing, and the second air outlet between the inner housing and the back cover, hot air is output from the first air outlet, and cold air is output from the second air outlet, which can reduce heat conduction between hot air and cold air. The air outlet housing is connected to the air guide housing component, and the rear cover is connected to the inner housing component, so that the assembly of the air duct housing is firm and the use effect is improved.

[0020] In one of the embodiments, the inner shell component includes an inner shell component body and a positioning block, the inner shell component body is arranged on the air guide shell component, the positioning block is arranged on the inner shell component body and is located at one end of the inner shell component body away from the air outlet shell body, and a portion of the rear cover extends to the interior of the positioning block. By extending a portion of the rear cover to the interior of the positioning block, the structure of the air duct assembly is made more compact, and the air duct assembly is made more miniaturized while ensuring working performance, which is convenient for users to carry. Moreover, the portion of the rear cover extending to the interior of the positioning block is enclosed with the positioning block to form an air outlet gap, and the two ends of the air outlet gap are respectively connected to the air passage cavity and the second air outlet so that the cold air in the air passage cavity can be transported to the air duct cavity.

[0021] A hair dryer comprises: a wind tube assembly; a handle assembly, wherein the wind tube assembly is arranged on the handle assembly, the handle assembly is provided with an air inlet hole and an air inlet channel, the air inlet hole, the air inlet channel and the air inlet of the wind tube assembly are connected in sequence; a fan assembly, wherein the fan assembly is arranged on the handle assembly and located in the air inlet channel, and the fan assembly is located between the air inlet hole and the air inlet.

[0022] The second aspect of the present application discloses a hair dryer, which is connected in sequence through an air inlet hole, an air inlet channel and an air inlet. The fan assembly is located between the air inlet hole and the air inlet. The fan assembly can convert the wind entering the air inlet channel from the air inlet hole into high-pressure wind and then transport it to the wind tube assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a three-dimensional diagram of a wind tube assembly;

[0024] Figure 2 is a cross-sectional view of the air duct assembly;

[0025] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0026] Figure 4 for Figure 2 Enlarged view of point B in the middle;

[0027] Figure 5 is a first exploded view of the wind tube assembly;

[0028] Figure 6 is a second exploded view of the wind tube assembly;

[0029] Figure 7 This is an exploded view of the air duct shell;

[0030] Figure 8 is a three-dimensional diagram of a heating assembly;

[0031] Fig. 9 A three-dimensional diagram of a hair dryer;

[0032] Fig.10 A cross-sectional view of a hair dryer.

[0033] The corresponding relationship between the reference numerals and the component names is as follows:

[0034] 1 housing assembly, 101 installation cavity, 102 air inlet;

[0035] 2 air duct housing, 21 air outlet housing, 22 inner housing, 221 inner housing body, 222 positioning block, 23 rear cover, 24 air guide housing, 201 air duct cavity, 202 first air outlet, 203 hot air cavity, 204 cold air cavity, 205 second air outlet, 206 first windward side, 207 first wind guiding side, 208 second windward side, 209 second wind guiding side;

[0036] 3 heating assembly, 31 heat insulation shell, 311 heat insulation shell body, 312 support plate, 32 electric heating wire;

[0037] 4 control components, 41 circuit boards, 42 buttons;

[0038] 100 hair dryer assembly;

[0039] 200 handle assembly, 2001 air inlet hole, 2002 air inlet channel;

[0040] 300 fan components. DETAILED DESCRIPTION

[0041] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0042] In the following description, many specific details are set forth to facilitate 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 protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0043] Example 1

[0044] like Figure 1-4As shown, the present embodiment discloses a wind tube assembly, comprising: a shell assembly 1, the shell assembly 1 is provided with a mounting cavity 101 with openings at both ends, the shell assembly 1 is provided with an air inlet 102 communicating with the mounting cavity 101; an air duct shell 2, the air duct shell 2 is arranged on the shell assembly 1 and located in the mounting cavity 101, the air duct shell 2 is provided with an air duct cavity 201 with openings at both ends, the air duct shell 2 is provided with a first air outlet 202 and a second air outlet 205 communicating with the air duct cavity 201, the first air outlet 202 and the second air outlet 205 are respectively close to the two ends of the air duct cavity 201; an air passage cavity is provided on the shell assembly 1 or the air duct shell 2; or; the shell assembly 1 and The air duct shell 2 encloses an air passage cavity, the air inlet 102, the air passage cavity, the first air outlet 202 and the air duct cavity 201 are connected in sequence, and the air inlet 102, the air passage cavity, the second air outlet 205 and the air duct cavity 201 are connected in sequence; one side of the first air outlet 202 is a first windward side 206, the other side of the first air outlet 202 is a first wind-guiding side 207, one side of the second air outlet 205 is a second windward side 208, the other side of the second air outlet 205 is a second wind-guiding side 209, the angle between the first windward side 206 and the horizontal direction is α, the angle between the second windward side 208 and the horizontal direction is β, and both α and β are acute angles.

[0045] The present application discloses a blower assembly, wherein an air inlet 102 connected to a mounting cavity 101 is provided through a housing assembly 1 for air intake. The first air outlet 202 and the second air outlet 205 are respectively close to the two ends of the air duct cavity 201, so that the fluid passing through the first air outlet 202 and the second air outlet 205 is more convenient to be transported to the outside world. The air inlet 102, the air passage cavity, the first air outlet 202 and the air duct cavity 201 are connected in sequence, and the air inlet 102, the air passage cavity, the second air outlet 205 and the air duct cavity 201 are connected in sequence, so that the blower assembly of the present application has two channels for transporting fluid to the outside world, which can improve the efficiency of fluid transportation. The side of the first air outlet 202 is the first windward side 206, and the side of the second air outlet 205 is the second windward side 208. The angle between the first windward side 206 and the second windward side 208 and the horizontal direction is an acute angle, so that the transportation of the fluid is more concentrated, and the wind pressure formed is relatively large, so that the user's hair can be dried quickly.

[0046] like Figure 2As shown, in addition to the features of the above embodiments, this embodiment further defines: the first windward side 206 and the first wind-guiding side 207 are close to the openings on one side of the installation cavity 101, and the second windward side 208 and the second wind-guiding side 209 are close to the openings on the other side of the installation cavity 101. Through the openings on one side of the first windward side 206 and the first wind-guiding side 207 close to the installation cavity 101, and the openings on the other side of the second windward side 208 and the second wind-guiding side 209 close to the installation cavity 101, the layout is reasonable and ingenious, which can improve the fluid delivery efficiency and provide a high user experience.

[0047] like Figure 2 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the air duct housing 2 is provided with a third air guiding side, the third air guiding side is adjacent to the first air guiding side 207, and the cross section of the third air guiding side is a horizontal line. The air guiding performance is better.

[0048] like Figure 3 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the cross section of the first windward side 206 is an inclined line, and the cross section of the first wind-guiding side 207 is an inclined line. By making the cross section of the first windward side 206 an inclined line and the cross section of the first wind-guiding side 207 an inclined line, the fluid transported into the air duct cavity 201 through the first air outlet 202 is more concentrated, and the pressure of the fluid is high.

[0049] like Figure 4 As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the cross section of the second windward side 208 is an inclined line, and the cross section of the second wind-guiding side 209 is an inclined line. By making the cross section of the second windward side 208 an inclined line, and the cross section of the second wind-guiding side 209 an inclined line, the fluid transported from the second air outlet 205 to the air duct cavity 201 can reduce contact with the cavity wall of the air duct cavity 201, reduce the pressure loss of the fluid during transportation, and the efficiency of transporting the fluid to the outside is high.

[0050] like Figure 3 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the angle α is greater than 0° and less than 90°. The angle between the first windward side 206 and the horizontal plane is greater than 0° and less than 90°, so that the pressure formed by the fluid is relatively large, so that the user can quickly dry the hair.

[0051] like Figure 4 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the β is greater than 0° and less than 90°. The angle between the second windward side 208 and the horizontal plane is greater than 0° and less than 90°, so that the pressure formed by the fluid is relatively large, and the user experience is good.

[0052] like Figure 3-4 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the angle α is 30°, and the angle β is 36°. By making the angle between the first windward side 206 and the horizontal plane 30°, and the angle between the second windward side 208 and the horizontal plane 36°, the fluid transported to the outside is more concentrated, and the pressure formed by the fluid is greater, so that the hair dryer dries the hair faster.

[0053] like Figure 1 and Figure 2 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the air inlet 102 is arranged on the side wall of the housing assembly 1. Since the fluid can be transported toward the air cavities on both sides of the air inlet 102, it is more reasonable to arrange the air inlet 102 on the side wall of the housing assembly 1.

[0054] like Figure 5 and 6 As shown, in addition to the features of the above embodiments, this embodiment is further defined as follows: it also includes a control component 4, the control component 4 includes a circuit board 41 and a button 42, the circuit board 41 is arranged on the air duct housing 2, the circuit board 41 is located in the air passage cavity, the button 42 is arranged on the circuit board 41, and the button 42 extends to the outside after passing through the air duct housing 2. The circuit board 41 is located in the installation cavity 101, and the circuit board 41 is located on the side where the second air outlet 205 is located, so that the space of the installation cavity 101 is reasonably utilized, making the structure of the hair dryer more compact. The button 42 is arranged on the circuit board 41, and the button 42 extends to the outside after passing through the air duct housing 2, so that the user can accurately control the working state of the product through the button 42.

[0055] like Figure 2As shown, in addition to the features of the above embodiment, this embodiment further defines that: the air passage cavity includes a hot air cavity 203 and a cold air cavity 204, the hot air cavity 203 is arranged around the air duct cavity 201, the hot air cavity 203 is connected with the air inlet 102, the hot air cavity 203 is connected with the air duct cavity 201 through the first air outlet 202, the cold air cavity 204 is connected with the air inlet 102, and the cold air cavity 204 is connected with the air duct cavity 201 through the second air outlet 205. The hot air cavity 203 is connected with the air duct cavity 201 through the first air outlet 202, and the hot air cavity 203 is arranged around the air duct cavity 201, so that the air outlet area of ​​the hot air cavity 203 is increased, so that the air outlet efficiency of the hot air cavity 203 is higher. In addition, the air delivered to the air duct cavity 201 by the hot air cavity 203 is more evenly distributed. The cold air chamber 204 is connected to the air duct chamber 201 via the second air outlet 205, so that the cold air is transported into the air duct chamber 201 via the cold air chamber 204 and the second air outlet 205, and the hot air is transported into the air duct chamber 201 via the hot air chamber 203 and the first air outlet 202. Devices that need to be refrigerated can be placed in the cold air chamber 204, and the devices that need to be refrigerated can be cooled during operation.

[0056] like Figure 2 and Figure 5-6 As shown, in addition to the features of the above embodiments, this embodiment is further defined as follows: it also includes a heating component 3, the heating component 3 is arranged on the housing component 1 and / or the air duct housing 2, the heating component 3 is arranged around the air duct housing 2, and the heating component 3 is located in the hot air cavity 203. The setting of the heating component 3 can convert cold air into hot air. The heating component 3 is arranged around the air duct housing 2, so that the cold air is fully converted into hot air. And the efficiency of converting cold air into hot air is higher. By locating the heating component 3 in the hot air cavity 203, the cold air is transported to the air duct cavity 201 after passing through the cold air cavity 204 and the second air outlet 205, and the air output from the hot air cavity 203 and the cold air cavity 204 is mixed and output, so that the output air volume can be guaranteed.

[0057] like Figure 2 and Figure 8 As shown, in addition to the features of the above embodiments, this embodiment further defines that: the heating assembly 3 includes a heat-insulating shell 31 and a heating wire 32, the heat-insulating shell 31 is arranged on the housing assembly 1 and / or the air duct shell 2, the heat-insulating shell 31 is located in the hot air cavity 203, and the heating wire 32 is arranged on the heat-insulating shell 31. The setting of the heating wire 32 is used to convert cold air into hot air. The heating wire 32 is arranged on the heat-insulating shell 31, and the heat-insulating shell 31 can reduce the heat loss of the heating wire 32, and has a positive significance for saving energy and saving costs.

[0058] like Figure 8As shown, in addition to the features of the above embodiment, this embodiment further defines that: the heat-insulating shell 31 includes a heat-insulating shell body 311 and a support plate 312, the heat-insulating shell body 311 is arranged on the air duct shell 2, the number of the support plates 312 is multiple, and the multiple support plates 312 are sequentially spaced along the circumference of the heat-insulating shell body 311, and the heating wire 32 is limited on the support plate 312. The multiple support plates 312 are sequentially spaced along the circumference of the heat-insulating shell body 311, so that the heating wire 32 can be sleeved on the support plate 312. Moreover, the heating wire 32 is sleeved on the heat-insulating shell 31 more accurately and firmly, so that the heating wire 32 will not easily fall off from the support plate 312 when the hair dryer is turned over.

[0059] like Figure 2 and Figure 5-7 As shown, in addition to the features of the above embodiments, the present embodiment further defines that: the air duct housing 2 includes an air outlet housing 21, an inner housing 22, a back cover 23 and an air guide housing 24, the air guide housing 24 is arranged on the outer housing assembly 1, the inner housing 22 is arranged on the air guide housing 24 and is located on the inner side of the air guide housing 24, the outer surface of the inner housing 22 forms an adjacent first air guide side 207 and a third air guide side, the air outlet housing 21 and the back cover 23 are arranged on the outer housing assembly 1 and are located at both ends of the inner housing 22, the air outlet housing 21 is connected to the air guide housing 24, the back cover 23 is connected to the inner housing 22, the air outlet housing 21, the inner housing 22 and the back cover 23 enclose the air duct cavity 201, the first air outlet 202 is formed between the air outlet housing 21 and the inner housing 22, and the second air outlet 205 is formed between the inner housing 22 and the back cover 23. The first air outlet 202 is formed between the air outlet housing 21 and the inner housing 22, and the second air outlet 205 is formed between the inner housing 22 and the rear cover 23, so that hot air is output from the first air outlet 202 and cold air is output from the second air outlet 205, which can reduce the heat conduction between the hot air and the cold air. The air outlet housing 21 is connected to the air guide housing 24, and the rear cover 23 is connected to the inner housing 22, so that the assembly of the air duct housing 2 is firm and the use effect is improved.

[0060] like Figure 2 and Figure 5-6As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the inner shell 22 includes an inner shell body 221 and a positioning block 222, the inner shell body 221 is arranged on the air guide shell 24, the positioning block 222 is arranged on the inner shell body 221 and is located at one end of the inner shell body 221 away from the air outlet housing 21, and a portion of the rear cover 23 extends to the interior of the positioning block 222. By extending a portion of the rear cover 23 to the interior of the positioning block 222, the structure of the wind tube assembly is more compact, and the wind tube assembly is more miniaturized while ensuring working performance, which is convenient for users to carry. Moreover, the portion of the rear cover 23 extending to the interior of the positioning block 222 is enclosed with the positioning block 222 to form an air outlet gap, and the two ends of the air outlet gap are respectively connected to the air passage cavity and the second air outlet 205 so that the cold air in the air passage cavity can be transported to the air duct cavity 201.

[0061] Example 2

[0062] like Fig. 9 and Fig.10 As shown, the present embodiment discloses a hair dryer, comprising: a hair dryer assembly 100; a handle assembly 200, wherein the hair dryer assembly 100 is arranged on the handle assembly 200, and the handle assembly 200 is provided with an air inlet hole 2001 and an air inlet channel 2002, and the air inlet hole 2001, the air inlet channel 2002 and the air inlet port 102 of the hair dryer assembly 100 are connected in sequence; a fan assembly 300, wherein the fan assembly 300 is arranged on the handle assembly 200 and is located in the air inlet channel 2002, and the fan assembly 300 is located between the air inlet hole 2001 and the air inlet port 102.

[0063] The second aspect of the present application discloses a hair dryer, which is connected in sequence through an air inlet hole 2001, an air inlet channel 2002 and an air inlet port 102. The fan assembly 300 is located between the air inlet hole 2001 and the air inlet port 102. The fan assembly 300 can convert the wind entering the air inlet channel 2002 from the air inlet hole 2001 into high-pressure wind and then transport it to the wind tube assembly 100.

[0064] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A wind tube assembly, characterized in that: include: A housing component (1), the housing component (1) being provided with a mounting cavity (101) with openings at both ends, and the housing component (1) being provided with an air inlet (102) communicating with the mounting cavity (101); An air duct housing (2), the air duct housing (2) being arranged on the housing assembly (1) and located in the installation cavity (101), the air duct housing (2) being provided with an air duct cavity (201) with openings at both ends, the air duct housing (2) being provided with a first air outlet (202) and a second air outlet (205) which are in communication with the air duct cavity (201), the first air outlet (202) and the second air outlet (205) being respectively close to both ends of the air duct cavity (201); The housing component (1) or the air duct housing (2) is provided with an air passage cavity; or; the housing component (1) and the air duct housing (2) enclose an air passage cavity, the air inlet (102), the air passage cavity, the first air outlet (202) and the air duct cavity (201) are sequentially connected, and the air inlet (102), the air passage cavity, the second air outlet (205) and the air duct cavity (201) are sequentially connected; One side of the first air outlet (202) is a first windward side (206), the other side of the first air outlet (202) is a first wind-guiding side (207), one side of the second air outlet (205) is a second windward side (208), the other side of the second air outlet (205) is a second wind-guiding side (209), an angle α between the first windward side (206) and the horizontal direction, an angle β between the second windward side (208) and the horizontal direction, and both α and β are acute angles.

2. The air duct assembly according to claim 1, characterized in that: The first windward side (206) and the first wind-guiding side (207) are close to an opening on one side of the installation cavity (101), and the second windward side (208) and the second wind-guiding side (209) are close to an opening on the other side of the installation cavity (101).

3. The air duct assembly according to claim 2, characterized in that: The air duct housing (2) is provided with a third air guiding side, the third air guiding side and the first air guiding side (207) are arranged adjacent to each other, and the cross section of the third air guiding side is a horizontal line; and / or the cross section of the first windward side (206) is an inclined line, and the cross section of the first wind-guiding side (207) is an inclined line; and / or the cross section of the second windward side (208) is an inclined line, and the cross section of the second wind-guiding side (209) is an inclined line; and / or the α is greater than 0° and less than 90°; and / or the β is greater than 0° and less than 90°; Or the α is 30°, and the β is 36°; and / or the air inlet (102) is arranged on a side wall of the housing component (1); And / or further comprises a control component (4), the control component (4) comprising a circuit board (41) and a button (42), the circuit board (41) being arranged on the air duct housing (2), the circuit board (41) being located in the air passage cavity, the button (42) being arranged on the circuit board (41), and the button (42) extending to the outside after passing through the air duct housing (2).

4. The air duct assembly according to claim 1, characterized in that: The air passage chamber comprises a hot air chamber (203) and a cold air chamber (204); the hot air chamber (203) is arranged around the air duct chamber (201); the hot air chamber (203) is connected to the air inlet (102); the hot air chamber (203) is connected to the air duct chamber (201) via the first air outlet (202); the cold air chamber (204) is connected to the air inlet (102); and the cold air chamber (204) is connected to the air duct chamber (201) via the second air outlet (205).

5. The air duct assembly according to claim 4, characterized in that: It also comprises a heating component (3), wherein the heating component (3) is arranged on the outer shell component (1) and / or the air duct shell (2), the heating component (3) is arranged around the air duct shell (2), and the heating component (3) is located in the hot air cavity (203).

6. The air duct assembly according to claim 5, characterized in that: The heating component (3) comprises a heat-insulating shell (31) and an electric heating wire (32); the heat-insulating shell (31) is arranged on the outer shell component (1) and / or the air duct shell (2); the heat-insulating shell (31) is located in the hot air cavity (203); and the electric heating wire (32) is arranged on the heat-insulating shell (31).

7. The air duct assembly according to claim 6, characterized in that: The heat-insulating shell (31) comprises a heat-insulating shell body (311) and a support plate (312); the heat-insulating shell body (311) is arranged on the air duct shell (2); there are a plurality of support plates (312); the plurality of support plates (312) are arranged in sequence and spaced apart along the circumference of the heat-insulating shell body (311); and the heating wire (32) is limited on the support plate (312).

8. The air duct assembly according to claim 1, characterized in that: The air duct housing (2) comprises an air outlet housing (21), an inner housing (22), a rear cover (23) and an air guide housing (24); the air guide housing (24) is arranged on the outer housing component (1); the inner housing (22) is arranged on the air guide housing (24) and is located on the inner side of the air guide housing (24); the outer surface of the inner housing (22) forms adjacent first air guide sides (207) and third air guide sides; the air outlet housing (21) and the rear cover (23) are arranged on the outer housing component (1) and are Located at both ends of the inner shell (22), the air outlet shell (21) is connected to the air guide shell (24), the back cover (23) is connected to the inner shell (22), the air outlet shell (21), the inner shell (22) and the back cover (23) are enclosed to form the air duct cavity (201), the first air outlet (202) is formed between the air outlet shell (21) and the inner shell (22), and the second air outlet (205) is formed between the inner shell (22) and the back cover (23).

9. The air duct assembly according to claim 8, characterized in that: The inner shell component (22) comprises an inner shell component body (221) and a positioning block (222); the inner shell component body (221) is arranged on the air guide shell component (24); the positioning block (222) is arranged on the inner shell component body (221) and is located at an end of the inner shell component body (221) away from the air outlet housing (21); and a portion of the rear cover (23) extends into the interior of the positioning block (222).

10. A hair dryer, characterized in that: include: The wind tube assembly (100) according to any one of claims 1 to 9; A handle assembly (200), the wind tube assembly (100) being arranged on the handle assembly (200), the handle assembly (200) being provided with an air inlet hole (2001) and an air inlet channel (2002), the air inlet hole (2001), the air inlet channel (2002) and the air inlet port (102) of the wind tube assembly (100) being connected in sequence; A fan assembly (300), wherein the fan assembly (300) is arranged on the handle assembly (200) and is located in the air inlet channel (2002); the fan assembly (300) is located between the air inlet hole (2001) and the air inlet port (102).

Images