Air outlet structure and hair dryer having the same

Abstract

The present invention discloses an air outlet structure, comprising a housing, a motor assembly, and a heating assembly. The housing is provided with an air inlet and an air outlet. The motor assembly and the heating assembly are sequentially arranged inside the housing at one end near the air inlet and one end near the air outlet. The heating assembly is used to heat air passing through its inner side. A hot air channel is formed inside the heating assembly, and the air outlets include a hot air outlet and a cold air outlet. A cold air channel is formed between the outer surface of the heating assembly and the inner wall of the housing, and the cold air channel is connected to the cold air outlet. The hot air channel is connected to the hot air outlet. The present invention also discloses a hair dryer, comprising the above-mentioned air outlet structure.

Description

Technical Field

[0001] The invention relates to an air outlet structure and a hair dryer having the same. Background Art

[0002] Hair dryer is a commonly used electrical appliance in people's life.

[0003] The hair dryer contains a motor assembly and a heating assembly. The motor assembly drives the flow of wind, sucks in wind and blows it toward the air outlet. The heating assembly is arranged between the motor assembly and the air outlet. People can adjust the temperature of the blown air by controlling the working state of the heating assembly.

[0004] In the existing hair dryer's air outlet structure, cold air and hot air share the same air outlet, so you can only choose cold air or hot air. Although the hot air also has a temperature adjustment gear, you can only choose the required temperature within the originally fixed temperature zone, and the temperature selection range is not large enough. Summary of the Invention

[0005] In order to overcome the shortcomings and deficiencies of the prior art, the present invention discloses an air outlet structure, comprising a shell, a motor assembly and a heating assembly, the shell being provided with an air inlet and an air outlet, the motor assembly and the heating assembly being sequentially arranged at one end of the shell close to the air inlet and one end close to the air outlet, the heating assembly being used to heat the air flow passing through the inner side thereof, and a hot air channel being formed inside the heating assembly, characterized in that: the air outlet comprises a hot air outlet and a cold air outlet; a cold air channel is formed between the outer surface of the heating assembly and the inner wall of the shell, the cold air channel being connected to the cold air outlet; and the hot air channel being connected to the hot air outlet;

[0006] It also includes an adjusting device, which is used to adjust the opening of the cold air outlet or the size of the cold air channel; the adjusting device is an adjusting ring, which is provided with an air leakage port, and the adjusting ring is provided on the outer surface of the outer shell and can be rotated relative to the outer shell to adjust the relative position of the air leakage port and the cold air outlet; the distance between adjacent air leakage ports on the adjusting ring is greater than the length of the cold air outlet.

[0007] As a further improvement of the present invention, the heating assembly includes an insulating shell and a heater. The insulating shell is arranged in the outer shell and is located between the motor assembly and the hot air outlet. The heater is arranged in the insulating shell.

[0008] As a further improvement of the present invention, a first air inlet is formed at one end of the heat-insulating shell close to the motor assembly, and the first air inlet is connected to the hot air channel; a second air inlet is formed between the end of the heat-insulating shell close to the motor assembly and the inner wall of the outer shell, and the second air inlet is connected to the cold air channel.

[0009] As a further improvement of the present invention, the second air inlet is an annular gap between the outer wall of the heat-insulating shell near one end of the motor assembly and the inner wall of the outer shell.

[0010] As a further improvement of the present invention, it further includes an adjusting device, which is used to adjust the opening of the cold air outlet or the size of the cold air channel.

[0011] As a further improvement of the present invention, the adjustment device is an adjustment ring, which is provided with an air leakage port. The adjustment ring is arranged on the outer surface of the shell and can rotate relative to the shell to adjust the relative position of the air leakage port and the cold air outlet.

[0012] As a further improvement of the present invention, the outer shell is provided with a convex cylinder at the hot air outlet, the outer side of the convex cylinder is provided with a convex strip, the inner side of the adjustment ring is provided with a groove, the adjustment ring is sleeved outside the convex cylinder, and the convex strip is snapped into the groove.

[0013] As a further improvement of the present invention, the convex strip extends along the length direction of the convex cylinder, the cross section of the convex strip perpendicular to the extension direction is semicircular, the shape of the groove is adapted to the convex strip, and the cross section of the groove is semicircular.

[0014] The invention also discloses a hair dryer comprising the above-mentioned air outlet structure.

[0015] As a further improvement of the present invention, the above-mentioned hair dryer further includes a handle connecting portion, and the handle connecting portion is arranged at the bottom of the shell.

[0016] The air outlet structure of the present invention has a simple structure and low manufacturing cost. The cold air outlet and the hot air outlet are separately arranged. By adding a cold air channel, cold air can be added to the original temperature zone. The adjustment range is larger, which makes it convenient for users to adjust the air outlet temperature of the hair dryer to a temperature suitable for their scalp. The use effect is better, and users can adjust the amount of cold air blown out by adjusting the adjustment device.

[0017] For better understanding and implementation, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a cross-sectional view of the present invention, in which the arrows indicate the direction of wind flow.

[0019] Figure 2 yes Figure 1 Schematic cross-section of AA.

[0020] Figure 3 yes Figure 2 Schematic diagram of the matching of the center convex strip and the groove.

[0021] Figure 4 It is a right side view of the present invention. DETAILED DESCRIPTION

[0022] See also Figure 1-4 The present invention discloses an air outlet structure, including a housing 10, a motor assembly 20, a heating assembly, and an adjustment device. The housing 10 is provided with an air inlet 14 and an air outlet, and the air outlet includes a hot air outlet 11 and a cold air outlet 12. The motor assembly 20 and the heating assembly are sequentially arranged inside the housing 10 at one end near the air inlet 14 and at another end near the air outlet. The heating assembly is used to heat air passing through its inner side. A hot air channel 51 is formed inside the heating assembly, and a cold air channel 52 is formed between the outer surface of the heating assembly and the inner wall of the housing 10. The cold air channel 52 connects from the motor assembly 20 to the cold air outlet 12. The hot air channel 51 connects from the motor assembly 20 to the hot air outlet 11. The adjustment device is used to adjust the opening of the cold air outlet or the size of the cold air channel.

[0023] In this embodiment, the heating assembly includes an insulating shell 31 and a heater 32. The insulating shell 31 is disposed in the outer shell 10 and is located between the motor assembly 20 and the hot air outlet 11. The heater 32 is disposed in the insulating shell 31. A portion of the air blown out by the motor assembly 20 passes through the insulating shell 31, and the air flows out from the hot air outlet 11 after being heated by the heater 32. The insulating shell 31 is surrounded by a first air inlet 53 at one end close to the motor assembly 20, and the first air inlet 53 is connected to the hot air channel 51; a second air inlet 54 is formed between the end of the insulating shell 31 close to the motor assembly and the inner wall of the outer shell 10, and the second air inlet 54 is connected to the cold air channel 52.

[0024] The second air inlet 54 is an annular gap between the outer wall of the heat-insulating shell 31 at one end close to the motor assembly and the inner wall of the outer shell 10 .

[0025] The adjusting device is an adjusting ring, and the adjusting ring 40 is provided with an air leakage port 41. The adjusting ring 40 is provided on the outer surface of the outer shell 10 and can be rotated relative to the outer shell 10. By rotating the adjusting ring 40, the relative position of the air leakage port 41 and the cold air outlet 12 can be adjusted, thereby controlling the exposed area of ​​the cold air outlet 12.

[0026] In this embodiment, the hot air outlet 11 is circular, and the cold air outlet 12 is arranged around the hot air outlet 11. In particular, the cold air outlet 12 is a rectangular through hole. In other embodiments, the cold air outlet 12 can also be a circular hole or a triangular hole, or a through hole of other shapes.

[0027] In this embodiment, the outer surface of the adjustment ring 40 is provided with a frosted layer. This frosted layer is provided to increase the friction between the user's finger and the adjustment ring 40 when the user rotates the adjustment ring 40. The housing 10 is provided with a protrusion 13 at the hot air outlet 11. The outer surface of the protrusion 13 is provided with a protruding ridge 131. The inner surface of the adjustment ring 40 is provided with a groove 42. The adjustment ring 40 is sleeved outside the protrusion 13, and the protrusion 131 snaps into the groove 42. The protrusion 131 extends along the length of the protrusion 13, and its cross-section perpendicular to the extension direction is semicircular. The shape of the groove 42 is consistent with the protrusion 131, and the cross-section of the groove 42 is semicircular.

[0028] The distance between adjacent air leaks 41 on the adjustment ring 40 should be greater than the length of the cold air outlet 12, so that the solid portion of the adjustment ring 40 can completely block the cold air outlet 12. The convex cylinder 13 extends along the edge of the hot air outlet 11 in the air outlet direction, and the adjustment ring 40 is sleeved on the convex cylinder 13. The engagement between the convex strip 131 and the groove 42 ensures that the adjustment ring 40 is stably positioned outside the convex cylinder 13.

[0029] The motor assembly 20 includes a rectifying wing component, the housing 10 is provided with the air inlet 14, and the motor assembly 20 is arranged at a position close to the air inlet 14. The motor assembly 20 inhales air from the air inlet 14, a part of the air flows into the cold air channel 52 and flows out from the cold air outlet 12, and the other part of the air flows into the hot air channel 51 and flows out from the hot air outlet 11 after being heated by the heater 32.

[0030] When the user needs to adjust the size of the exposed area of ​​the cold air outlet 12, the user can rotate the adjustment ring 40. Because the adjustment ring 40 and the convex cylinder 13 are both made of plastic and have a slight elasticity, the ridge 131 can be disengaged from the groove 42 during rotation, and the ridge 131 touches the inner side of the adjustment ring 40 until the ridge 131 is snapped into another groove 42. The adjustment ring 40 rotates around the axis of the hot air outlet 11 to adjust the area of ​​the overlapping portion of the air leakage port 41 and the cold air outlet 12, thereby adjusting the amount of cold air outflow. An air outlet structure of the present invention can more freely adjust the appropriate air outlet temperature by adjusting the amount of cold air outflow, thereby improving the user experience.

[0031] The air outlet structure of the present invention has a simple structure and low manufacturing cost. The cold air outlet and the hot air outlet are separately arranged. By adding a cold air channel, cold air can be added to the original temperature zone. The adjustment range is larger, which makes it convenient for users to adjust the air outlet temperature of the hair dryer to a temperature suitable for their scalp. The use effect is better, and users can adjust the amount of cold air blown out by adjusting the adjustment device.

[0032] The present invention also discloses a hair dryer comprising the aforementioned air outlet structure and a handle connecting portion disposed at the bottom of the housing. The handle connecting portion is configured to connect to a handle, which may be hinged to the handle connecting portion. The handle connecting portion may be a lug protruding from the housing.

[0033] The present invention is not limited to the above-mentioned embodiments. If various changes or modifications of the present invention do not depart from the spirit and scope of the present invention, and if these changes and modifications fall within the scope of the claims of the present invention and equivalent technologies, the present invention is also intended to include these changes and modifications.

Claims

1. An air outlet structure, comprising a housing, a motor assembly, and a heating assembly, wherein the housing is provided with an air inlet and an air outlet, the motor assembly and the heating assembly are sequentially disposed within the housing at one end near the air inlet and at another end near the air outlet, the heating assembly being configured to heat air passing through the inner side thereof, and a hot air channel being formed within the heating assembly, characterized in that: The air outlet includes a hot air outlet and a cold air outlet; a cold air channel is formed between the outer surface of the heating component and the inner wall of the shell, and the cold air channel is connected to the cold air outlet; the hot air channel is connected to the hot air outlet; It also includes an adjusting device, which is used to adjust the opening of the cold air outlet or the size of the cold air channel; the adjusting device is an adjusting ring, which is provided with an air leakage port, and the adjusting ring is provided on the outer surface of the outer shell and can be rotated relative to the outer shell to adjust the relative position of the air leakage port and the cold air outlet; the distance between adjacent air leakage ports on the adjusting ring is greater than the length of the cold air outlet.

2. The air outlet structure according to claim 1, characterized in that: The heating assembly includes a heat-insulating shell and a heater. The heat-insulating shell is arranged in the outer shell and located between the motor assembly and the hot air outlet. The heater is arranged in the heat-insulating shell.

3. The air outlet structure according to claim 2, characterized in that: The end of the heat-insulating shell close to the motor assembly forms a first air inlet, and the first air inlet is connected to the hot air channel; the second air inlet is formed between the end of the heat-insulating shell close to the motor assembly and the inner wall of the shell, and the second air inlet is connected to the cold air channel.

4. The air outlet structure according to claim 3, characterized in that: The second air inlet is an annular gap between the outer wall of the heat-insulating housing close to one end of the motor assembly and the inner wall of the outer shell.

5. The air outlet structure according to claim 1, characterized in that: The shell is provided with a convex cylinder at the hot air outlet, the outer side of the convex cylinder is provided with a convex strip, the inner side of the adjustment ring is provided with a groove, the adjustment ring is sleeved outside the convex cylinder, and the convex strip is snapped into the groove.

6. The air outlet structure according to claim 5, characterized in that: The convex strip extends along the length direction of the convex cylinder, and the cross section of the convex strip perpendicular to the extension direction is semicircular. The shape of the groove is adapted to the convex strip, and the cross section of the groove is semicircular.

7. A hair dryer, characterized in that: Includes any one of the air outlet structures described above.

8. The hair dryer according to claim 7, characterized in that: A handle connection portion is also included, and the handle connection portion is arranged at the bottom of the shell.

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