Hair dryer handle and hair dryer

Abstract

This utility model discloses a hair dryer handle, comprising: a handle housing, and a multi-mode switch assembly mounted to the handle housing. The multi-mode switch assembly includes a switch circuit board fixedly within the handle housing and a multi-mode adjustment switch mechanism disposed within the switch circuit board. The multi-mode switch assembly is used to adjust at least two hair dryer modes among the hair dryer's airflow, temperature, and usage mode. The hair dryer handle of this utility model embodiment can meet users' needs for various usage scenarios regarding the hair dryer's airflow, temperature, and usage mode.

Description

Technical Field

[0001] This utility model relates to the field of nursing technology, and in particular to a hair dryer handle and hair dryer. Background Technology

[0002] Currently, hair dryers on the market typically offer a limited number of wind speed and temperature settings, and the selection of modes is also relatively small. This limited adjustment capability makes it difficult to meet users' needs for precise control of wind speed and temperature in different scenarios.

[0003] Therefore, there is an urgent need to provide an improved hair dryer handle to meet users' needs for controlling different air temperatures and speeds in various scenarios.

[0004] The background description is provided for the purpose of understanding the relevant technologies in this field and is not intended as an admission of prior art. Utility Model Content

[0005] In this embodiment of the utility model, a hair dryer handle is provided, which may include: a handle housing, a multi-mode switch assembly installed to the handle housing, the multi-mode switch assembly including a switch circuit board fixedly within the handle housing, and a multi-mode adjustment switch mechanism disposed on the switch circuit board, the multi-mode switch assembly being used to adjust at least two hair dryer modes among the wind speed, temperature, and usage mode of the hair dryer.

[0006] In some embodiments of this utility model, the multi-mode adjustment switch mechanism is a multi-directional switch assembly, wherein different switching operations of the multi-directional switch assembly correspond to the adjustment of different hair dryer modes.

[0007] In some embodiments of the present invention, the multi-directional switch assembly includes a multi-directional switch body and a button disposed on the switch circuit board, wherein the multi-directional switch body has a button that can be operated in multiple directions, the button is connected to the button of the multi-directional switch body, and the button extends from the inside of the handle housing to the outside of the handle housing.

[0008] In some embodiments of this utility model, the button includes a button body and a connecting sleeve extending from the middle of the button body, wherein the connecting sleeve is provided with a button connecting hole adapted to the cross-section of the button, and the button connecting hole is interference-fitted with the button.

[0009] In some embodiments of this utility model, the projected size of the button body on the switch circuit board is larger than the projected size of the multi-directional switch body on the switch circuit board.

[0010] In some embodiments of this utility model, the button further includes an edge portion and a limiting portion located between the edge portion and the connecting sleeve. The bottom surface of the edge portion is disposed facing the upper surface of the switch circuit board, and the bottom surface of the limiting portion is disposed facing the top surface of the multi-directional switch body. The gap between the bottom surface of the limiting portion and the top surface of the multi-directional switch body is smaller than the gap between the edge portion and the upper surface of the switch circuit board.

[0011] In some embodiments of this utility model, a cover groove is provided on the handle housing corresponding to the position of the multi-directional switch assembly. The hair dryer handle also includes a switch cover plate covering the cover groove. The switch cover plate has a switch hole corresponding to the button. The button extends from the inside of the handle housing, passes through the switch hole, and reaches the outside of the handle housing.

[0012] In some embodiments of this utility model, the inner surface of the switch hole has a tapered surface adapted to the button body.

[0013] In some embodiments of this utility model, the switch hole has a flange on its upper edge.

[0014] In some embodiments of this utility model, the multi-directional switch body is a five-directional electronic switch, wherein the up-down switching operation of the five-directional electronic switch corresponds to the adjustment of the first hair dryer mode in the hair dryer's wind speed, temperature, and usage mode; the left-right switching operation corresponds to the adjustment of the second hair dryer mode in the hair dryer's wind speed, temperature, and usage mode; and the pressing operation corresponds to the adjustment of the third hair dryer mode in the hair dryer's wind speed, temperature, and usage mode.

[0015] In some embodiments of this utility model, the multi-mode adjustment switch mechanism is a roller switch mechanism, wherein the pressing operation of the roller switch mechanism corresponds to the switching of different hair dryer modes, and the rolling operation of the roller switch mechanism corresponds to the adjustment of the switched hair dryer mode.

[0016] In some embodiments of the present invention, the roller switch mechanism includes a mode switching switch and a roller assembly disposed on the switch circuit board, wherein the roller assembly is operably engaged with the mode switching switch.

[0017] In some embodiments of this utility model, the mode switching switch has a pressable switching button; the roller assembly includes a roller seat that is pressably connected to the switching button, a roller that is rotatably supported on the roller seat, and an encoder fixed to the roller seat, wherein the roller has an axle, and the encoder is sleeved on the axle.

[0018] In some embodiments of this utility model, the hair dryer handle further includes a handle inner tube disposed within the handle housing, and the switch circuit board is disposed on the outside of the handle inner tube and connected to the handle inner tube.

[0019] In some embodiments of this utility model, the inner cylinder of the handle includes a first housing and a second housing, and the second housing and the first housing together form a fluid channel inside the handle.

[0020] In some embodiments of the present invention, the second housing has a recessed mounting portion for accommodating the switch circuit board.

[0021] In some embodiments of this utility model, the recessed mounting portion is provided with a protrusion extending away from the fluid channel and a mounting hole extending towards the fluid channel. The protrusion is configured to limit the position of the switch circuit board, and the mounting hole is configured to fix the switch circuit board.

[0022] In some embodiments of this utility model, the hair dryer handle further includes a main control circuit board disposed within the fluid channel.

[0023] In some embodiments of this utility model, the first housing has fixing posts formed on both sides of its inner wall, the fixing posts having a first fixing hole extending inside, the second housing having a second fixing hole opposite to the first fixing hole, the fixing posts having a limiting rib around the first fixing hole on their top surface, and the main control circuit board having corresponding limiting grooves on both sides, the limiting grooves abutting against the limiting ribs to limit the main control circuit board.

[0024] In some embodiments of this utility model, the first housing forms a first limiting post on its inner wall, and the second housing forms a second limiting post on its inner wall. The first limiting post and the second limiting post clamp the main control circuit board and limit its position.

[0025] In some embodiments of the present invention, a hair dryer is also provided, which includes a hair dryer handle as described in some embodiments of the present invention.

[0026] According to the hair dryer handle and hair dryer provided in the embodiments of this utility model, the wind speed and wind temperature can be independently controlled by the multi-mode switch component, and various usage modes can also be selected, providing users with a variety of usage scenarios and meeting a variety of user needs.

[0027] Other optional features and technical effects of the embodiments of this utility model are partly described below and partly apparent from reading this document. Attached Figure Description

[0028] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The elements shown are not limited to the scale shown in the drawings, and the same or similar reference numerals in the drawings denote the same or similar elements, wherein:

[0029] Figure 1 This is an exemplary overall appearance structure schematic view of the hair dryer handle according to an embodiment of the present utility model;

[0030] Figure 2 This is a schematic cross-sectional view of the handle of the hair dryer along the axial direction of the fluid channel according to an embodiment of the present utility model;

[0031] Figure 3 This is an enlarged view of a cross-sectional schematic view of the handle of a hair dryer according to an embodiment of the present utility model;

[0032] Figure 4 This is an exemplary exploded view of the hair dryer handle according to an embodiment of the present utility model;

[0033] Figure 5 (a) Figure 5 (b) is a structural schematic diagram of the switch cover plate of the hair dryer handle according to an embodiment of the present utility model;

[0034] Figure 6 This is an exemplary overall appearance structure schematic view of a hair dryer handle according to other embodiments of the present utility model;

[0035] Figure 7 This is an exemplary exploded view of a hair dryer handle according to other embodiments of the present invention;

[0036] Figure 8 This is an enlarged view of an exploded schematic view of a hair dryer handle according to other embodiments of the present invention;

[0037] Figure 9 This is an exploded schematic view of an exemplary structure of a hair dryer handle according to an embodiment of the present utility model;

[0038] Figure 10 This is an exploded schematic view of a portion of an exemplary structure of a hair dryer handle according to an embodiment of the present utility model;

[0039] Figure 11 This is a schematic structural view of an exemplary structure of the second housing of the hair dryer handle according to an embodiment of the present utility model;

[0040] Figure 12 This is a schematic diagram of an exemplary structure of a hair dryer having a handle according to an embodiment of the present invention.

[0041] Figure label:

[0042] 1000, Hair dryer;

[0043] 100. Hair dryer handle;

[0044] 10. Handle housing; 11. Cover plate groove;

[0045] 20. Multi-way switch assembly; 21. Multi-way switch body; 22. Button; 24. Button cap; 241. Button cap body; 2411. Edge portion; 242. Connecting sleeve; 2421. Button connecting hole; 243. Limiting portion;

[0046] 30. Switch cover; 31. Switch hole; 32. Fastener; 33. Flanged edge; 34. Power switch slot;

[0047] 40. Handle inner cylinder; 41. First housing; 411. Fixing post; 412. First fixing hole; 413. Limiting rib; 414. First limiting post; 42. Second housing; 421. Recessed mounting part; 422. Protruding post; 423. Mounting hole; 424. Second fixing hole; 425. Second limiting post; 426. Countersunk platform; 4261. Inner side surface; 427. Power switch mounting slot;

[0048] 50. Fan components;

[0049] 60. Main control circuit board; 61. Limiting groove;

[0050] 70. Power switch assembly; 71. Power switch; 72. Power switch cap; 721. Toggle mechanism;

[0051] 80. Roller switch mechanism; 81. Mode switching switch; 82. Switch button; 83. Roller assembly; 84. Roller base; 85. Roller; 86. Axle;

[0052] 90. Switching circuit board; 91. Circuit board mounting holes;

[0053] 200. Ventilation duct;

[0054] 300. Heating resistance wire;

[0055] 400. Temperature sensor;

[0056] A. Fluid channel; C. Chamfer. Detailed Implementation

[0057] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. Here, the illustrative embodiments and descriptions of this utility model are used to explain the present utility model, but are not intended to limit the present utility model.

[0058] In this embodiment of the utility model, a hair dryer handle is provided, which is provided with a multi-mode switch assembly. The multi-mode switch assembly includes a switch circuit board and a multi-mode adjustment switch mechanism. Users can independently control and adjust at least two of the hair dryer's wind speed, temperature, and usage mode through the multi-mode switch assembly.

[0059] In some embodiments of this invention, the multi-mode adjustment switch mechanism can be a multi-directional switch assembly or a roller switch mechanism. In some embodiments, different switching operations of the multi-directional switch assembly can correspond to the adjustment of different hair dryer modes. For example, the multi-directional switch assembly can be tossed up and down and left and right. For instance, the signal generated by tossing up and down can be used for temperature (air temperature) control, and the signal generated by tossing left and right can be used for air speed control. The control of air speed and air temperature is independent of each other, achieving fine control and thus meeting the usage needs of different users of the hair dryer. In some embodiments, the roller switch mechanism can be pressed to switch between temperature control mode and speed control mode, and then the roller can be used to finely adjust the air temperature or speed, optionally achieving stepless adjustment of air temperature or speed. In some embodiments of this invention, in conjunction with a controller, the multi-directional switch assembly or roller switch mechanism can also achieve switching between multiple preset modes (such as a predetermined combination of air temperature and air speed).

[0060] In embodiments of this utility model, part of the multi-mode switch assembly is disposed inside the handle housing, while part can be triggered by the user outside the handle housing. For example, the switch circuit board is limited and fixed inside the handle housing, thus protecting the switch circuit board. The multi-mode adjustment switch mechanism is disposed on the switch circuit board (generally electrically soldered onto the switch circuit board). The multi-mode adjustment switch mechanism can pass through the handle housing, allowing the user to contact it and trigger it. The overall structure is compact, the electrical connection is reliable, and the space inside the handle housing is effectively reduced.

[0061] In some embodiments of this utility model, reference is made to Figure 1 A hair dryer handle 100 is provided, including a handle housing 10, a switch circuit board 90 fixed within the handle housing 10, and a multi-directional switch assembly 20 disposed on the switch circuit board 90. The multi-directional switch assembly 20 is used to control and adjust at least two hair dryer modes among the wind speed, temperature, and usage mode of the hair dryer.

[0062] In some embodiments of this utility model, reference is made to Figure 2The hair dryer handle 100 may include a controller for receiving signals generated by the multi-directional switch assembly 20. In some embodiments, the controller may be provided with different pins to receive signals generated by the multi-directional switch assembly 20, thereby determining whether the signals generated by the multi-directional switch assembly 20 are for controlling the fan speed, adjusting the temperature, or switching usage modes based on the different pin signals. In this embodiment, the usage mode is, for example, a fan speed control mode, a fan temperature control mode, or other preset usage modes.

[0063] In some embodiments of this utility model, reference is made to Figure 2 and Figure 3 The multi-directional switch assembly 20 may include a multi-directional switch body 21 and a button 24. The multi-directional switch body 21 has a multi-directionally operable button 22. The button 24 is connected to the button 22 of the multi-directional switch body 21. The button 22 can be moved by external force in four directions: up, down, left, and right, thereby generating four signals from the multi-directional switch assembly 20. In some embodiments, the aforementioned controller can adjust the airflow speed and temperature of the hair dryer according to these four signals. In optional embodiments, stepless adjustment can also be achieved.

[0064] In some embodiments of this utility model, in order to make the overall hair dryer handle more compact, the multi-directional switch body 21 can be soldered onto a circuit board, and the aforementioned control devices can also be soldered onto the same circuit board, thereby reducing the number of connection lines between circuit structures, stabilizing signal transmission, and reducing the size of the hair dryer handle. In some embodiments, refer to Figure 2 and Figure 3 The multi-way switch assembly 20 may include a multi-way switch body 21 disposed on a switch circuit board 90, and a button 24 connected to a button 22 on the multi-way switch body 21 extending from the inside of the handle housing 10 to its outside.

[0065] In some embodiments of this invention, the switch circuit board 90 is disposed inside the handle housing 10, thereby avoiding occupying the user's space outside the handle housing 10 and controlling the overall volume of the hair dryer handle 100. In some embodiments of this invention, the switch circuit board 90 is fixedly positioned inside the handle housing 10, and can be fixed together with the handle housing 10 or with other structures inside the handle housing 10. In some embodiments of this invention, the switch circuit board 90 may also be provided with the aforementioned control device, which can receive signals generated by the multi-directional switch body 21. In some embodiments of this invention, the button 24 can extend beyond the handle housing 10 and be partially located outside the handle housing 10, so that the button 24 can be conveniently operated by the user, for example, by the user toggling it in multiple directions. The button 24 is only partially exposed outside the handle housing 10, minimizing the radial dimension of the handle housing 10.

[0066] In some embodiments of this utility model, reference is made to Figure 2 as well as Figure 3 The button cap 24 and the button 22 can be connected by a shaft-hole fit. The button 22 can be used as a shaft, and the button cap 24 is provided with a hole that matches the shaft of the button 22. For example, when the cross-section of the button 22 is circular, the cross-section of the hole in the button cap 24 is also circular, and the radial dimensions are almost the same. This makes it easy to install the button cap 24 onto the button 22 of the multi-way switch 21.

[0067] In some embodiments, when the button 24 is inserted into the button 22, a radial fixing hole or an axial fixing hole may also be provided on the button 24. In one example, when a radial fixing hole is provided, a fastening screw can be used to secure it to prevent the multi-way switch button 24 from rotating axially along the button 22. In another example, when an axial fixing hole is provided, a threaded hole may also be provided at the axial tip of the button 22. After the button 24 is inserted into the button 22, the button 24 and the button can be connected from the axial fixing hole by means of a connecting screw, thereby ensuring that the button 24 is reliably installed on the button 22.

[0068] In some embodiments of this utility model, reference is made to Figures 2 to 4 The button 24 includes a button body 241 and a connecting sleeve 242 extending from the middle of the button body 241. The connecting sleeve 242 may be provided with a button connection hole 2421 adapted to the cross-section of the button 22, and the button connection hole 2421 is interference-fitted with the button 22. In this embodiment, considering that the button 24 does not need to bear a large load during operation, the interference fit achieves stable installation while reducing the installation and disassembly steps and lightening the overall weight of the hair dryer handle.

[0069] In some embodiments of this utility model, the cross-section of the button 22 can be square, that is, the overall shape of the button 22 is constructed as a square column. Correspondingly, the cross-section of the button connecting hole 2421 is also square. This can avoid the sliding of the button cap 24 in the circumferential direction by means of the square structure, without the need to set up a fixed structure in the circumferential direction, which further simplifies the installation process.

[0070] In some embodiments of this utility model, reference is made to Figure 3 A chamfer C is provided between the bottom surface of the button connection hole 2421 and the connecting sleeve 242, so as to facilitate the insertion of the button 22 into the button connection hole 2421 and its installation.

[0071] In some embodiments of this utility model, reference is made to Figure 2 and Figure 3 The projected size of the button body 241 on the switch circuit board 90 is larger than the projected size of the multi-directional switch body 21 on the switch circuit board 90. In one example, refer to Figure 2 The button cap body 241 projects as a circle on the switch circuit board 90, with a diameter of D, and the multi-way switch body 21 projects as an approximately square shape on the switch circuit board 90, with a diagonal dimension of T, and D > T. In other words, the overall size of the button cap body 241 is slightly larger than the overall size of the multi-way switch body 21. Thus, the button cap body 241 covers the multi-way switch body 21, thereby preventing other external forces or physical accidental triggering of the button 22 and generating false alarm signals.

[0072] In some embodiments of the present utility model, as described above, the button cap 24 can be conveniently operated by the user, for example, being multi-way toggled by the user, and since the size of the button cap body 241 is larger than the size of the multi-way switch body 21. Thus, the button cap body 241 will be subjected to a force applied from the outside of the handle housing 10 to the inside of the handle housing 10. In this embodiment, if not restricted, when the button cap body 241 is pressed or toggled by an external force, its posture tilts, and the edge portion 2411 of the button cap body 241, for example, may unfavorably contact the switch circuit board 90, thereby affecting the circuit characteristics of the switch circuit board 90 and even damaging the switch circuit board.

[0073] In some embodiments of the present utility model, referring to Figure 3 The button cap 24 further includes a limiting portion 243 located between the edge portion 2411 and the connecting sleeve 242, and the bottom surface of the limiting portion 243 is arranged facing the top surface of the multi-way switch body 21. In this embodiment, the gap between the bottom surface of the limiting portion 243 and the top surface of the multi-way switch body 21 is smaller than the gap between the edge portion 2411 and the upper surface of the switch circuit board 90. Thus, when the button cap body 241 is pressed or toggled by the user, the bottom surface of the limiting portion 243 first contacts the top surface of the multi-way switch body 21, thereby restricting the edge portion 2411 from continuing to move towards the switch circuit board 90. In one example, continuing to refer to Figure 3 The gap between the bottom surface of the limiting portion 243 and the top surface of the multi-way switch body 21 is d1, and the gap between the edge portion 2411 and the upper surface of the switch circuit board 90 is d2, and d1 < d2. In a specific example, in the state where the button cap 24 is not pressed or toggled, d1 is 3 mm and d2 is 4 mm.

[0074] In embodiments of the present utility model, the handle housing 10 can be integrally constructed as a cylindrical shape, or can be constructed as a split upper and lower housing. In some embodiments, for the overall appearance of the hair dryer handle 100 to be flat, the overall outer shape of the handle housing 10 can be cylindrical.

[0075] In some embodiments, referring to Figure 4As previously described, the button 24 extends from the inside of the handle housing 10 to the outside of the handle housing 10. In this embodiment, a cover groove 11 may be provided on the handle housing 10 at a position corresponding to the multi-directional switch assembly 20. The hair dryer handle 100 also includes a switch cover 30 covering the cover groove 11, wherein the switch cover 30 may have a switch hole 31 corresponding to the button 24, thereby allowing the button 24 to extend from the inside of the handle housing 10 through the switch hole 31 to the outside of the handle housing 10. In this embodiment, the switch cover 30 may be installed after the handle housing 10 is installed. The switch cover 30 may be connected to or detachable from the handle housing 10, and the two may be connected by screws or other means. In some embodiments, refer to Figure 5 (a) and Figure 5 (b) A latching element 32 is provided on the switch cover plate 30. The switch cover plate 30 is latched to the edge of the cover plate groove 11 by the latching element 32 and thus installed to the handle housing 10.

[0076] In some embodiments of this utility model, the multi-directional switch body 21 is a four-way electronic switch or a five-way electronic switch, thereby enabling the output of multiple switching signals.

[0077] In some embodiments of this utility model, the multi-directional switch body 21 is a five-way electronic switch. In this embodiment, the five-way electronic switch can be operated in five directions: up / down, left / right, and pressing. In some embodiments, the up / down operation of the five-way electronic switch corresponds to the adjustment of the first hair dryer mode among the hair dryer's wind speed, temperature, and usage modes; the left / right operation corresponds to the adjustment of the second hair dryer mode among the hair dryer's wind speed, temperature, and usage modes; and the pressing operation corresponds to the adjustment of the third hair dryer mode among the hair dryer's wind speed, temperature, and usage modes. For example, the adjustment of the first hair dryer mode is temperature adjustment, the adjustment of the second hair dryer mode is wind speed adjustment, and the adjustment of the third hair dryer mode is usage mode adjustment, as further described below.

[0078] In some embodiments of this utility model, the upper part of the button body 241 is hemispherical. This structure facilitates user operation and adapts to the operating direction of the multi-directional switch body 21 to enhance the tactile feel.

[0079] In some embodiments of this utility model, reference is made to Figure 3The inner edge of the switch hole 31 has a tapered surface that matches the button body 241. In this embodiment, the shape of the button body 241, for example, its upper part is hemispherical, and the tapered surface matches the hemispherical shape of the button body 241, so that the switch hole 31 does not hinder the movement of the button body 241. As an explanation and not a limitation, the environment in which hair dryers are used is usually humid, so it is necessary to consider the waterproofness of the hair dryer to avoid water splashing into the handle and affecting the service life of the circuit or structure. According to this embodiment of the present invention, the outer dimension of the switch hole 31 is smaller than the inner dimension, thereby preventing water vapor from seeping into the handle housing 10 from the switch hole 31, thus ensuring the waterproof effect of the handle.

[0080] In some embodiments of this utility model, reference is made to Figure 5 (a) The edge of the switch hole 31 has a flange 33. By way of explanation and not limitation, the switch cover 30 is connected by a snap-fit ​​method. When the switch cover 30 is installed, it will be subjected to a certain external force, which puts a certain requirement on the rigidity of the switch cover 30. Therefore, when the distance between the edge of the switch hole 31 and the switch cover 30 is small, for example, less than 3mm, it will affect the connection strength of the switch cover 30 in this area. The design of the flange 33 in this embodiment of the present invention can increase the strength of the switch cover 30 in the area of ​​the switch hole 31.

[0081] In some other embodiments of this utility model, as described above, the multi-mode switch adjustment mechanism may be a roller switch mechanism. In some embodiments, reference is made to... Figure 6 , Figure 7 and Figure 8 The pressing operation of the roller switch mechanism 80 corresponds to switching between different hair dryer modes, and the rolling operation of the roller switch mechanism 80 corresponds to the adjustment of the hair dryer mode. For example, the pressing operation of the roller switch mechanism 80 can correspond to switching between the hair dryer's air speed, temperature, and usage mode. When switching to the mode for adjusting the hair dryer's air speed, the up and down rolling operation of the roller switch mechanism 80 corresponds to increasing or decreasing the hair dryer's air speed. In some embodiments of this utility model, the rolling operation of the roller switch mechanism 80 can, for example, achieve stepless adjustment of the hair dryer's air speed and temperature.

[0082] In some embodiments of this utility model, reference is made to Figure 7 and Figure 8 The roller switch mechanism 80 may include a mode switching switch 81 and a roller assembly 83 disposed on a switch circuit board 90, wherein the roller assembly 83 is operably engaged with the mode switching switch 81. In some embodiments, reference is made to... Figure 7 and Figure 8The mode switching switch 81 has a pressable switching button 82, so that the roller assembly 83 can be pressed by an external force to switch between, for example, wind speed, temperature and usage mode.

[0083] In some embodiments, reference Figure 7 and Figure 8 The roller assembly 83 may include a roller seat 84 pressably connected to the switch button 82, a roller 85 rotatably supported on the roller seat 84, and an encoder (not shown) fixed to the roller seat 84. The roller 85 has an axle 86, and the encoder is mounted on the axle 86. In some embodiments, the roller 85 extends from the inside of the handle housing 10 to the outside of the handle housing 10. When the user presses the roller 84, a mode switch 81 is triggered to generate a mode switching signal. After receiving the switching signal, the aforementioned control device can change the corresponding control mode according to the switching signal. The user can then roll the roller 85 to adjust the hair dryer's speed, temperature, etc. Thus, with this structural arrangement, the user can conveniently switch between multiple preset usage modes by pressing and adjusting the roller, and quickly adjust parameters such as speed and temperature. In some embodiments, the roller 85 of the roller assembly 83 can also pass through the aforementioned switch hole 31 to reach the outside of the handle housing 10 for user contact and operation.

[0084] In some embodiments of this invention, the switch circuit board 90 can be connected to the handle housing 10. For example, a connecting post can be provided inside the handle housing 10, and the switch circuit board 90 is fixed to the connecting post. In some embodiments, the switch circuit board 90 can be connected to other structures inside the handle housing 10.

[0085] In some embodiments of this utility model, a fluid channel may also be formed inside the handle housing 10. The fluid channel may be used, for example, to deliver air from inside the handle housing 10 to a predetermined direction. Here, the fluid channel formed inside the hair dryer handle 100, for example, its handle housing 10, may also be referred to as the first fluid channel.

[0086] In some embodiments of this utility model, reference is made to Figure 9 and Figure 10 The hair dryer handle 100 also includes a handle inner cylinder 40 disposed within the handle housing 10, and a switch circuit board 90 is fixedly positioned on the outside of the handle inner cylinder 40. Thus, by positioning the switch circuit board 90 on the outside of the handle inner cylinder 40, the structure and signal transmission of the switch circuit board 90 are prevented from being affected by airflow with a certain temperature, and the structure of the hair dryer handle 100 is further optimized, making it more compact. In some embodiments, a fan assembly 50 may be disposed within the handle inner cylinder 40, which can drive airflow through the aforementioned first fluid channel.

[0087] In some embodiments of this utility model, the inner cylinder 40 of the handle may include a first housing 41 and a second housing 42, the second housing 42 and the first housing 41 together forming a fluid channel within the hair dryer handle 100. For example, in Figure 8 The first fluid channel A is shown in the figure. In this embodiment, the arrangement of the first housing 41 and the second housing 42 facilitates the installation of the fan assembly 50, circuit or other structure inside the handle inner cylinder 40. For example, during installation, the fan assembly 50, circuit or other structure is first fixed to the second housing 42 or the first housing 41, and then the first housing 41 is fixed to the second housing 42, thereby reducing the assembly difficulty and facilitating later maintenance and replacement.

[0088] In some embodiments of this invention, the second housing 42 may have a recessed mounting portion 421 for accommodating the switch circuit board 90, thereby simplifying the switch circuit board 90 and ensuring reliable installation with the help of the second housing 42 and the handle housing 10. In some embodiments, the outer wall of the second housing 42 is recessed inward toward the fluid channel A to form the recessed mounting portion 421, and the switch circuit board 90 is fixed to the recessed mounting portion 421.

[0089] In some embodiments of this utility model, the recessed mounting portion 421 may be provided with a protrusion 422 extending away from the fluid channel and a mounting hole 423 extending towards the fluid channel, wherein the protrusion 422 is configured to limit the position of the switch circuit board 90, and the mounting hole 423 is configured to fix the switch circuit board 90. In some embodiments, reference Figure 10 The switch circuit board 90 may have four circuit board mounting holes 91 distributed on it, and the recessed mounting portion 231 is provided with two protrusions 422 and two mounting holes 423. In some embodiments, the mounting holes 423 may be threaded holes, the protrusions 422 and the mounting holes 423 may be spaced apart, the two mounting holes 91 may be fitted onto the protrusions 422, and the two circuit board mounting holes 91 may be fixedly connected to the two mounting holes 423 by screws. This significantly reduces the number of mounting screws required, simplifies the installation process, and the protrusions 422 further have the effect of positioning the switch circuit board 90. In some embodiments of this utility model, the recessed mounting portion 421 may be a mounting plane formed by the inward recess of the second housing 42. The switch circuit board 90 is limited and fixed on the mounting plane, which facilitates the positioning and installation of the switch circuit board. Since the protrusions 422 and the mounting holes 423 are formed on the mounting plane, the structural design is also simplified, it is easier to find the reference surface, and the production difficulty is reduced.

[0090] In some embodiments of this invention, the hair dryer handle 100 further includes a main control circuit board 60 disposed within the fluid channel. In some embodiments, the main control circuit board 60 may be equipped with electronic and electrical components. The electronic components may include surface-mount integrated circuits, surface-mount resistors, surface-mount capacitors, small transistors, etc., for signal processing and control functions; the electrical components may include electrolytic capacitors, transformers, power semiconductor devices, relays, etc., related to power conversion and power control. In some embodiments, the main control circuit board 60 may also receive signals from the multi-mode switching assembly 20 or the switching circuit board 90, and control the hair dryer's operating parameters such as wind speed and temperature according to these signals.

[0091] In some embodiments, the main control circuit board 60 may be located downstream of the fan assembly 50 in order to more effectively utilize airflow to dissipate heat from the main control circuit board 60.

[0092] In some embodiments of this utility model, reference is made to Figure 10 and Figure 11 The first housing 41 has fixing posts 411 formed on both sides of its inner wall. Each fixing post 411 has a first fixing hole 412 extending internally. The second housing 42 has a second fixing hole 424 opposite to the first fixing hole 412. The fixing posts 411 have limiting ribs around the first fixing hole 412 on their top surfaces. The main control circuit board 60 has corresponding limiting grooves 61 on both sides. The limiting grooves 61 abut against the limiting ribs 413 to limit the main control circuit board 60. Thus, the connection structure of the first housing 41 and the second housing 42 can fix or assist in fixing the main control circuit board 60, thereby simplifying the connection and fixing structure of the main control circuit board 60.

[0093] In some embodiments of this utility model, reference is made to Figure 10 and Figure 11 The first housing 41 has first limiting posts 414 formed on its inner wall, and the second housing 42 has second limiting posts 425 formed on its inner wall. The first limiting posts 414 and the second limiting posts 425 clamp the main control circuit board 60 to limit its movement. In this embodiment, the top surface of the limiting post 414 on the first housing 41 can limit the lower surface of the main control circuit board 60, and the bottom surface of the second limiting post 425 on the second housing 42 limits the upper surface of the main control circuit board 60. Figure 10 and Figure 11In the illustrated embodiment, the second limiting post 425 of the second housing 42 and the first limiting post 141 of the first housing 41 are disposed relative to the edge of the main control circuit board 60 away from the limiting groove 61. For example, the limiting groove 61 is located in the middle of the long side of the main control circuit board 60, and the limiting posts 414 and 425 are disposed on one or both sides of the long side. Thus, the long side of the main control circuit board 60 is limited by the limiting rib 413, and the up-and-down warping of the long side is limited by the limiting posts 414 and 425. This not only reduces the additional main control circuit board fixing structure, lightens the overall weight, and simplifies the installation procedure, but also reduces the vibration impact of fluctuating airflow on the main control circuit board 60, extending the service life of the main control circuit board 60. In some embodiments, during the connection and fixing process of the first housing 41 and the second housing 42, the top surfaces of the limiting posts 414 and 425 can press against the main control circuit board 60.

[0094] In some embodiments of this utility model, such as Figure 10 As shown, the limiting rib 413 can be cylindrical or semi-cylindrical, and its center can be aligned with the center of the first fixing hole 412 for integral molding. In some embodiments, the first fixing hole 412 can pass through the limiting rib 413. In some embodiments, the cross-section of the limiting rib 413 can be a semi-circular ring or a circular ring with the center of the first fixing hole 412 as the center, and the cross-section of the limiting groove 61 is a semi-circle corresponding to the cross-section of the limiting rib 413. In some embodiments of this utility model, the radius of the limiting rib 413 can be the same as the radius of the limiting groove 61 to achieve a reliable connection. In addition, the limiting groove 61 is semi-circular or arc-shaped, which allows for a certain design error in the mounting width of the main control circuit board 60 (the distance between the two limiting grooves), reducing industrial costs.

[0095] In some embodiments of this utility model, in addition to limiting the vertical displacement of the two sides of the long side of the main control circuit board 60, the vertical displacement of the middle part of the long side of the main control circuit board 60 can also be limited. In some embodiments of this utility model, a countersunk platform 426 extending axially toward the second fixing hole 424 is provided on the second housing 42 around the second fixing hole 424, such as... Figure 8 As shown, the inner surface 4261 of the countersunk hole platform 426 limits the upper surface of the main control circuit board 60, and the top surface of the fixing post 411 limits the lower surface of the main control circuit board 60. In some embodiments, during the connection and fixing process of the first housing 41 and the second housing 42, the top surface of the fixing post 411 and the inner surface of the countersunk hole platform 426 can press the main control circuit board 60 tightly.

[0096] In some embodiments of this utility model, in order to independently control the power switch of the main control circuit board 60, the hair dryer handle 100 may further include a power switch assembly 70. A power switch mounting groove 427 is provided in the recessed mounting portion 421 on the second housing 42, and the power switch assembly 70 is disposed in the power switch mounting groove 427. In some embodiments of this utility model, the power switch assembly may include a power switch 71 and a power switch cap 72. A power switch slot 34 is provided on the switch cover plate 30 at a position opposite to the power switch mounting groove 427. After the power switch cap 72 is installed, its actuating portion 721 is disposed in the power switch slot 34.

[0097] In this embodiment of the invention, the hair dryer handle is equipped with a multi-directional switch assembly, which provides control signals for independent control of the hair dryer's wind speed and temperature, thereby meeting the user's needs in different scenarios. In some embodiments, in conjunction with a controller, the wind speed and temperature can also be infinitely variable. In some embodiments, the signal in a certain switching direction of the multi-directional switch assembly represents a certain increment or decrement, which can be preset to a fixed value. In a specific embodiment, the wind speed increment is an increase of 5 m / s or 10 m / s, and the wind speed decrement is a decrease of 5 m / s or 10 m / s; the temperature increment is an increase of 5 degrees Celsius or 10 degrees Celsius, and the temperature decrement is a decrease of 5 degrees Celsius or 10 degrees Celsius.

[0098] In some embodiments of this utility model, a display screen or indicator light is also provided on the handle housing 10 to display wind speed and temperature, and the controller is connected to the display screen or wind speed and temperature display to display wind speed and temperature.

[0099] In some embodiments of this utility model, such as Figure 12As shown, a hair dryer 1000 is also provided, which includes the aforementioned hair dryer handle 100, and the wind speed and temperature (air temperature) of the hair dryer 1000 can be controlled by a multi-mode switch assembly. In some embodiments of this utility model, the hair dryer 1000 also includes an air outlet structure 200, a heating resistance wire and a temperature sensor (not shown) located at the air outlet structure, wherein the temperature sensor can measure the temperature of the air outlet to achieve air temperature control. In some embodiments of this utility model, after the power switch 71 is turned on, the fan assembly 50 starts to work. The user selects the corresponding wind speed, temperature or working mode through the multi-mode switch assembly. The multi-mode switch assembly transmits a signal to the controller, and the controller controls the working power of the fan assembly 50 and the heating resistance wire. The display screen or indicator light on the handle housing 10 displays the selected wind speed, temperature or working mode. In this embodiment, the fan assembly 50 is controlled by the controller, which drives the airflow from the fluid channel A to the air outlet structure 200. After the airflow is heated by the heating resistance wire 3, it is output to the user. The temperature sensor located at the air outlet structure 100 measures the air outlet temperature and feeds it back to the controller. The controller controls the working power of the heating resistance wire to achieve a stable air outlet temperature.

[0100] In some embodiments of this utility model, as described above, the up / down, left / right, and pressing operations of the multi-mode switch assembly can achieve temperature adjustment, wind speed adjustment, and usage mode adjustment of the hair dryer in multiple modes. In some embodiments, the multi-mode switch assembly can also realize multiple control modes of the hair dryer, and optionally realize a professional mode (stepless adjustment): for example, in the mode for adjusting the temperature, the user flips the multi-way switch up to indicate an increase in temperature, and flips it down to indicate a decrease in temperature, with each step in 5 or 10 degrees. Continuous flipping can also be set to correspond to a preset adjustment logic, such as flipping it up twice consecutively to the highest setting, and flipping it down twice consecutively to the lowest setting. In another example, such as in the mode for adjusting the fan speed, the user can turn the knob to the right to increase the fan speed and to the left to decrease it, with each step being 5 m / s or 10 m / s. The user can also set a preset adjustment logic for continuous turning, such as turning the knob to the right twice to the highest setting and turning it to the left twice to the lowest setting. In yet another example, such as in the mode for adjusting the usage mode, the user can also press down from the center to activate a one-button cooling mode, which turns off the heating, and release the knob to return to the previous mode.

[0101] In some embodiments of this invention, the hair dryer can also achieve stepless speed and temperature adjustment. A temperature sensor can collect the outlet temperature in real time to ensure a constant outlet temperature, guaranteeing that the outlet temperature remains unchanged during stepless speed adjustment at a certain temperature setting. During various adjustments, the hair dryer can display corresponding images on a screen or show the current working status through two rows of LED indicators for wind speed and temperature. Furthermore, this invention can preset multiple usage modes, such as a daily usage mode, each corresponding to a preset combination of wind temperature and wind speed. Users can select the corresponding mode using a multi-directional switch component. For example, in embodiments with a display screen, the screen can display several mode options. Users can scroll through the screen by tossing the multi-directional switch component up or down to select a mode, and then press down from the center to confirm the selection. The system will then adjust to the corresponding wind speed and temperature combination. In embodiments using LED indicators, the corresponding icon can be illuminated by the LED light to indicate the current mode. Users can select the corresponding icon by tossing it left or right or up and down, and then press down from the center to confirm the selection and enter that mode.

[0102] The hair dryer handle and hair dryer provided in this embodiment of the utility model can achieve independent control of wind speed and wind temperature through a multi-mode switch component, and can also achieve selection of various usage modes through the multi-mode switch component, providing users with a variety of usage scenarios and meeting a variety of user needs.

[0103] This document describes several embodiments of the present invention. However, for the sake of brevity, the descriptions of the embodiments are not exhaustive, and identical or similar features or parts between the embodiments may be omitted. In this document, "one embodiment," "some embodiments," "example," "specific example," or "some examples" refer to at least one embodiment or example applicable to the present invention, but not all embodiments. The above terms do not necessarily mean referring to the same embodiment or example. Without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples.

[0104] In this document, it should be understood that, unless otherwise expressly defined, the directional terms such as “center,” “axial,” “radial,” “circumferential,” “longitudinal,” “lateral,” “length,” “width,” and “thickness,” as well as spatial position terms such as “up,” “down,” “front,” “back,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” and movement direction terms such as “clockwise” and “counterclockwise”, are all relative orientations or positional descriptions defined based on the specific posture and orientation of the device shown in the accompanying drawings, and do not imply or limit that the device or element must have a certain orientation or be constructed or operated in a certain posture. Therefore, they should not be construed as limitations on this utility model.

[0105] The exemplary systems and methods of this invention have been specifically shown and described with reference to the foregoing embodiments, and are merely examples of the best mode for implementing the systems and methods. Those skilled in the art will understand that various changes can be made to the embodiments described herein without departing from the spirit and scope of this invention as defined in the appended claims when implementing the systems and / or methods.

Claims

1. A handle for a hair dryer, characterized in that, include: The device includes a handle housing and a multi-mode switch assembly mounted to the handle housing. The multi-mode switch assembly includes a switch circuit board that is fixedly positioned inside the handle housing and a multi-mode adjustment switch mechanism disposed on the switch circuit board. The multi-mode switch assembly is used to adjust at least two of the following hair dryer modes: wind speed, temperature, and usage mode.

2. The hair dryer handle of claim 1, wherein The multi-mode adjustment switch mechanism is a multi-directional switch assembly, wherein different switching operations of the multi-directional switch assembly correspond to the adjustment of different hair dryer modes.

3. The hair dryer handle of claim 2, wherein, The multi-directional switch assembly includes a multi-directional switch body and a button disposed on the switch circuit board, wherein the multi-directional switch body has a button that can be operated in multiple directions, the button is connected to the button of the multi-directional switch body, and the button extends from the inside of the handle housing to the outside of the handle housing.

4. The hair dryer handle of claim 3, wherein, The button includes a button body and a connecting sleeve extending from the middle of the button body. The connecting sleeve is provided with a button connection hole adapted to the cross-section of the button, and the button connection hole is interference-fitted with the button.

5. The hair dryer handle of claim 4, wherein, The projected size of the button body on the switch circuit board is larger than the projected size of the multi-directional switch body on the switch circuit board.

6. The hair dryer handle of claim 4, wherein, The button also includes an edge portion and a limiting portion located between the edge portion and the connecting sleeve. The bottom surface of the edge portion faces the upper surface of the switch circuit board, and the bottom surface of the limiting portion faces the top surface of the multi-directional switch body. The gap between the bottom surface of the limiting portion and the top surface of the multi-directional switch body is smaller than the gap between the edge portion and the upper surface of the switch circuit board.

7. The hair dryer handle of claim 4, wherein, A cover groove is provided on the handle housing corresponding to the position of the multi-directional switch assembly. The hair dryer handle also includes a switch cover plate covering the cover groove. The switch cover plate has a switch hole corresponding to the button. The button extends from the inside of the handle housing, passes through the switch hole, and reaches the outside of the handle housing.

8. The hair dryer handle of claim 7, wherein, The inner surface of the switch hole has a tapered surface that fits the button body.

9. The hair dryer handle of claim 7, wherein, The switch hole has a flange on its upper edge.

10. The hair dryer handle of claim 3, wherein The multi-directional switch body is a five-way electronic switch. The up and down switching operation of the five-way electronic switch corresponds to the adjustment of the hair dryer's wind speed, temperature, and the first hair dryer mode in the usage mode. The left and right switching operation corresponds to the adjustment of the hair dryer's wind speed, temperature, and the second hair dryer mode in the usage mode. The pressing operation corresponds to the adjustment of the hair dryer's wind speed, temperature, and the third hair dryer mode in the usage mode.

11. The hair dryer handle of claim 1, wherein The multi-mode adjustment switch mechanism is a roller switch mechanism, wherein the pressing operation of the roller switch mechanism corresponds to switching between different hair dryer modes, and the rolling operation of the roller switch mechanism corresponds to the adjustment of the switched hair dryer mode.

12. The hair dryer handle of claim 11, wherein, The roller switch mechanism includes a mode switching switch and a roller assembly disposed on the switch circuit board, wherein the roller assembly is operably engaged with the mode switching switch.

13. The hair dryer handle of claim 12, wherein, The mode switching switch has a pressable switching button; the roller assembly includes a roller seat pressably connected to the switching button, a roller rotatably supported on the roller seat, and an encoder fixed to the roller seat, wherein the roller has an axle and the encoder is sleeved on the axle.

14. The hair dryer handle of any one of claims 1 to 13, wherein, The hair dryer handle also includes a handle inner tube disposed within the handle housing, and the switch circuit board is disposed on the outside of the handle inner tube and connected to the handle inner tube.

15. The hair dryer handle of claim 14, wherein, The inner cylinder of the handle includes a first shell and a second shell, and the second shell and the first shell together form a fluid channel inside the handle.

16. The hair dryer handle of claim 15, wherein, The second housing has a recessed mounting portion for accommodating the switch circuit board.

17. The hair dryer handle of claim 16, wherein, The recessed mounting portion is provided with a protrusion extending away from the fluid channel and a mounting hole extending towards the fluid channel. The protrusion is configured to limit the position of the switch circuit board, and the mounting hole is configured to fix the switch circuit board.

18. The hair dryer handle of claim 15, wherein, The hair dryer handle also includes a main control circuit board disposed within the fluid channel.

19. The hair dryer handle of claim 18, wherein, The first housing has fixing posts formed on both sides of its inner wall. Each fixing post has a first fixing hole extending inside. The second housing has a second fixing hole opposite to the first fixing hole. Each fixing post has a limiting rib around the first fixing hole on its top surface. The main control circuit board has corresponding limiting grooves on both sides. The limiting grooves abut against the limiting ribs to limit the main control circuit board.

20. The hair dryer handle of claim 19, wherein, The first housing has a first limiting post formed on its inner wall, and the second housing has a second limiting post formed on its inner wall. The first limiting post and the second limiting post clamp the main control circuit board to limit the position of the main control circuit board.

21. A hair dryer, characterized by Includes the hair dryer handle as described in any one of claims 1-20.

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