A hair dryer

Abstract

The utility model belongs to the technical field of household appliances, concretely relates to a hair dryer, including fuselage and handle, the fuselage includes shell, motor, motor support, air inlet net cover, the front end of shell sets up air outlet, shell and air inlet net cover are all not light -proof material, still include: light emitting part, light emitting part is installed on motor support, including the lamp strip that surrounds motor support and interval arrangement LED lamp on the lamp strip, LED lamp is located the one side of lamp strip towards air inlet net cover, light guide piece, light guide piece surrounds motor support and is positively for the setting of LED lamp in ring and along the axial gap of motor support with LED lamp setting to form annular light guide chamber between both, light guide piece includes the light guide portion that extends to the clamping between shell and air inlet net cover, the outer peripheral surface of light guide portion exposes to form the light emitting surface. While improving the uniform effect of light, also take into account the reasonable control to light brightness, thereby realized good light emitting effect.

Description

Technical Field

[0001] This utility model belongs to the field of household appliance technology, specifically relating to a hair dryer. Background Technology

[0002] Existing hair dryers usually have light-up devices to indicate the working status and mode of the hair dryer, as well as to enhance the aesthetics of the hair dryer and improve the user experience.

[0003] For example, patent CN115444202A discloses a hair dryer in which the light source assembly extends axially through the inner shell and then reflects radially outwards onto the outer shell, rather than directly illuminating the outside of the hair dryer, resulting in softer light observed by the user. However, because the light sources of the light source assembly are arranged circumferentially along the support member and directly abut the end of the inner shell, the light source in the space between two adjacent light sources is weaker, resulting in significant differences in light intensity and poor uniformity after being diffused around the outer shell.

[0004] For example, patent CN219813412U discloses a hair dryer with a uniform light-emitting ambient light, including at least one light source and at least one light-guiding optical fiber. The light source illuminates the end of the light-guiding optical fiber to guide light through the fiber, achieving the effect of illuminating the entire fiber with a single light source and using fewer light sources. However, although this solution achieves a certain degree of light uniformity by utilizing the inherent characteristics of the light-guiding optical fiber, the light source is placed close to the fiber, resulting in strong light at the point where the fiber is in contact with the light source and weak light at the point where the fiber is far from the light source, leading to poor uniformity. Furthermore, the light needs to pass through both the fiber and the outer casing before being emitted, causing excessive attenuation and even making the light too dim, resulting in a poor effect. Utility Model Content

[0005] This utility model provides a hair dryer to solve the problem of how to make the hair dryer emit light more evenly, while also solving the technical problem of the light being too dim due to excessive light distribution.

[0006] The technical solution adopted in this utility model is as follows:

[0007] This utility model provides a hair dryer, including a body and a handle. The body includes a cylindrical outer shell, a motor installed inside the outer shell, a motor bracket fitted around the motor and fixing the motor to the outer shell, and an air inlet cover located at the rear end of the outer shell. An air outlet is provided at the front end of the outer shell. Both the outer shell and the air inlet cover are made of opaque material. The hair dryer also includes: a light-emitting element mounted on the motor bracket, including a light strip surrounding the motor bracket and LEDs spaced apart on the light strip, with the LEDs located on the side of the light strip facing the air inlet cover; and a light guide element, which is annular around the motor bracket and positioned directly opposite the LEDs. The light guide element and the LEDs are spaced apart along the axial direction of the motor bracket to form an annular light guide cavity between them. The light guide element includes a light guide portion extending to be clamped between the outer shell and the air inlet cover, with the outer peripheral surface of the light guide portion exposed to form a light-emitting surface.

[0008] The hair dryer provided by this utility model forms an annular light guide cavity between the light guide component and the LED light along the axial gap of the motor bracket. This allows the light emitted by the LED light to be scattered and diffused within the light guide cavity, reducing the intensity difference of the light around the LED light and achieving a uniform light effect. Furthermore, the light energy is weakened during reflection within the light guide cavity, achieving a soft light effect and avoiding glare. The light passing through the light guide cavity is further dispersed onto the light guide component, and guided by the light guide component, it is emitted from the outer peripheral surface of the light guide portion sandwiched between the outer shell and the air inlet mesh cover. Since the outer peripheral surface of the light guide portion is exposed to form a light-emitting surface, the light can be directly emitted to the outside without being blocked or obstructed again. This avoids the excessive weakening of light by traditional structures such as outer shells, improving the brightness of the soft light. Therefore, this application improves the uniformity of light while also taking into account reasonable control of light brightness, thus achieving a good light emission effect, providing users with a good atmosphere and comfortable experience, and also providing users with corresponding mode prompts, resulting in a better user experience.

[0009] In a preferred embodiment, the light guide includes a first annular light guide plate positioned opposite the LED light and a second light guide plate protruding from the first light guide plate toward the light strip. The light guide portion is located at the periphery of the first light guide plate, and the second light guide plate extends along the inner peripheral wall of the housing. The first light guide plate, the second light guide plate, the light strip, and the motor bracket together form the light guide cavity.

[0010] Since the light guide includes a first annular light guide plate facing the LED and a second light guide plate protruding from the first light guide plate toward the light strip, the first light guide plate facing the LED can receive the light directly from the LED and be homogenized through the light guide cavity. At the same time, the second light guide plate protruding toward the light strip and extending along the inner peripheral wall of the housing can effectively absorb the light emitted at an angle from the LED, avoiding light loss. Therefore, under the combined action of the light-gathering and light-absorbing second light guide plate and the light-absorbing first light guide plate facing the LED, the light absorption effect of the entire light guide is superimposed, which enhances the light guiding efficiency and light utilization rate of the entire light guide, improves the soft light brightness of the entire light-emitting surface, and enhances the atmosphere.

[0011] More preferably, the second light guide plate is fastened and installed on the inner peripheral wall of the housing.

[0012] The second light guide plate not only enhances light absorption efficiency and utilization, but also serves to fasten and install with the inner circumferential wall of the outer casing, thus fixing the light guide to the outer casing and integrating the structure. This allows for a compact arrangement of the hair dryer, eliminating the need for additional fixing structures, reducing the number of hair dryer parts, and simplifying the assembly of the entire machine.

[0013] In a preferred embodiment, the light guide includes a first light guide plate positioned opposite the LED light, and the first light guide plate, the shell sidewall of the housing, the light strip, and the motor bracket together form the light guide cavity.

[0014] By setting the light guide component to include a first light guide plate positioned directly opposite the LED light, the structure is simplified. The first light guide plate can receive light that has been homogenized by the light guide cavity in a forward direction, and then guide the light to be emitted uniformly from the light-emitting surface. The first light guide plate, the shell sidewall of the outer casing, the light strip, and the motor bracket together form the light guide cavity. That is, the shell sidewall of the outer casing is used as the cavity wall of the light guide cavity, which realizes the simplification of the structure and efficient utilization. The overall structure is simple and the cost is reduced.

[0015] In a preferred embodiment, the air inlet cover includes an inner cover and an outer cover. The inner cover is fixed to the rear end of the motor bracket and presses the light guide against the rear end of the housing. The outer cover is detachably sleeved on the outside of the inner cover.

[0016] The air inlet cover includes an inner cover and an outer cover, providing dual protection to prevent users' hair from being sucked into the casing and causing pain. It also provides dual filtration to prevent external dust from being drawn into the casing during operation, thus preventing airflow obstruction and ensuring efficient airflow and structural reliability. The inner cover is fixed to the rear end of the motor bracket and presses the light guide against the rear end of the casing, securing the inner cover to the motor bracket while limiting the light guide's position, ensuring stable and convenient installation. By detachably attaching the outer cover to the outside of the inner cover, users can periodically remove the outer cover to clean the mesh, reducing noise and airflow obstruction caused by clogged mesh and extending the product's lifespan.

[0017] More preferably, the light guide includes an annular first light guide plate positioned opposite the LED light and a sleeve portion protruding from the first light guide plate. The inner mesh cover is sleeved on the outer periphery of the sleeve portion, and fasteners lock the inner mesh cover to the motor bracket radially, so that the sleeve portion is clamped between the motor bracket and the inner mesh cover. More preferably, the sleeve portion is provided with a clearance opening, and fasteners pass through the inner mesh cover and the clearance opening in sequence to lock onto the motor bracket.

[0018] By providing a first annular light guide plate aligned with the LED light and a sleeve portion protruding from the first light guide plate on the light guide component, the inner mesh cover is fitted onto the outer periphery of the sleeve portion, achieving radial positioning and installation of both the inner mesh cover and the light guide component. By locking the inner mesh cover and motor bracket together radially through the inner mesh cover and the clearance opening along the motor bracket, the inner mesh cover and motor bracket are locked and fixed. Simultaneously, the inner mesh cover presses the light guide component against the rear end of the outer shell, achieving stable assembly of the entire device. Furthermore, the fasteners pass radially along the motor bracket, rather than axially through the light guide component, effectively avoiding the problem of screw shadows on the light guide component and thus improving the light guiding uniformity. The clearance opening in the sleeve portion allows for fastener avoidance, making locking and installation easier.

[0019] Furthermore, the inner mesh cover is provided with a radially inwardly protruding anti-rotation part, which is engaged in the clearance opening, and the fastener passes through the inner mesh cover, the anti-rotation part and locks with the motor bracket.

[0020] By providing a radially inwardly protruding anti-rotation part on the inner mesh cover, which engages with the clearance opening, circumferential anti-rotation is achieved. At the same time, the inward protrusion of the anti-rotation part forms a locally thickened structure. Therefore, when the fastener passes through the inner mesh cover, the anti-rotation part, and locks with the motor bracket, the fastener's engagement with the thickened anti-rotation part, compared to the fastener directly engaging with the non-thickened inner mesh cover, strengthens the structural strength of the fastener's locking position, preventing the inner mesh cover from cracking and causing the fastener to loosen, thus making the fixation more reliable.

[0021] Alternatively, the sleeve portion includes a plurality of protrusions arranged circumferentially around the motor bracket, with the clearance opening formed between two adjacent protrusions, and the inner mesh cover sleeved on the outer periphery of the plurality of protrusions.

[0022] The inner mesh cover is fitted onto the outer periphery of the multiple protrusions arranged around the motor bracket in the sleeve portion. Therefore, the multiple protrusions cooperate to achieve radial limiting of the inner mesh cover. The gap formed between two adjacent protrusions serves as a clearance, allowing for clearance with the fasteners. This makes the fastening of the inner mesh cover easier. At the same time, the fasteners are stopped by the two adjacent protrusions, achieving anti-rotation limiting of the inner mesh cover and the light guide. No additional anti-rotation structure is required, simplifying the structure of the inner mesh cover and the motor bracket.

[0023] Alternatively, the socket may further include a plurality of protrusions arranged circumferentially around the motor bracket, with the clearance opening formed between two adjacent protrusions, and the inner mesh cover is provided with insertion slots that engage with the plurality of protrusions one by one.

[0024] The socket includes multiple protrusions arranged circumferentially around the motor bracket. The inner mesh cover is provided with insertion slots that engage with each of the protrusions. When a protrusion engages with an insertion slot, the inner mesh cover and the light guide are connected, simultaneously achieving anti-rotation and limiting, resulting in a more integrated structure. The gap between adjacent protrusions serves as a clearance, allowing for better fastening of the inner mesh cover and reducing the effort required for secure installation.

[0025] In a preferred embodiment, the hair dryer includes multiple nozzles that can be replaced and installed at the air outlet. Different nozzles are provided with signal elements having different signal values. The housing is provided with a control device and an identification element. The identification element is used to identify the signal value of the signal element in the nozzle when the nozzle is installed in place. The control device is used to control the LED light to emit different colors of light according to the different signal values ​​identified by the identification element.

[0026] By featuring multiple nozzles, users can flexibly select the appropriate nozzle according to their needs, ensuring a high degree of matching. For example, a gentle nozzle can be used to avoid damaging hair, a straightening nozzle to achieve straight hair, and a styling nozzle to create a fixed style. Therefore, the hair dryer not only meets users' hair drying needs but also offers other modes for selection, providing diverse functions and modes to increase users' willingness to purchase. By incorporating signal elements, a control device, and a recognition element, the control device controls the LED lights to emit different colors of light based on different signal values ​​identified by the recognition element. After installing different nozzles, users can intuitively identify the type by the color of the LED light, enhancing the hair dryer's intelligence and improving the user experience.

[0027] More preferably, the signal element is a label plate and is sealed inside the air nozzle, the identification element is an RFID plate, the label plate and the RFID plate are arranged opposite to each other along the air nozzle installation direction, the multiple air nozzles include a soft-care air nozzle, a straightening air nozzle, and a styling air nozzle, and the LED lights include a white light state corresponding to when the air nozzle is not installed, a pink light state corresponding to when the soft-care air nozzle is installed, a yellow light state corresponding to when the straightening air nozzle is installed, and a purple light state corresponding to when the styling air nozzle is installed.

[0028] The system employs a combination of a label and an RFID board for accurate and highly intelligent identification. It eliminates the need for deliberate installation in a specific orientation, allowing for flexible nozzle placement. Nozzle alignment is simple, and user operation is straightforward. Multiple nozzles are included, such as a gentle care nozzle, a smoothing nozzle, and a styling nozzle, allowing users to choose flexibly according to their needs. The LED lights correspond to different states: white for an uninstalled nozzle, pink for a properly installed gentle care nozzle, yellow for a properly installed smoothing nozzle, and purple for a properly installed styling nozzle. Each color—white, pink, yellow, and purple—provides a gentle and comfortable feel, with clear differences between the various nozzle modes for easy user identification. The white light corresponding to an uninstalled nozzle is also easy for users to remember, reducing the need for frequent manual consultation and simplifying operation and user experience.

[0029] In a preferred embodiment, the outer periphery of the motor bracket is provided with a limiting rib, the light guide abuts against the limiting rib along the axial direction, and the LED lamp is isolated from the light guide by the limiting rib to form the light guide cavity.

[0030] By setting limiting ribs on the outer periphery of the motor bracket, during the assembly of the blower, the assembler can fit the light guide along the axial direction of the light guide to the motor bracket. When it abuts against the limiting rib, a prompt is given that the assembly is in place, avoiding over-assembly. The LED light and the light guide are isolated by the limiting rib to form the light guide cavity. Therefore, the isolation and limitation by the limiting rib prevents the assembler from over-assembling and causing the LED light to come into contact with the light guide, thereby forming an effective light guide cavity and achieving a uniform light effect.

[0031] In a preferred embodiment, the distance between the portion of the light guide directly opposite the LED and the LED is L, satisfying: 3mm≤L≤10mm.

[0032] Because the distance between the part of the light guide directly facing the LED is too short, the light reflection distance within the light guide cavity is short, failing to achieve a good light uniformity effect and resulting in slight differences in intensity. Conversely, if the distance between the part of the light guide directly facing the LED is too long, the LED power needs to be increased, leading to unnecessary power consumption; otherwise, the brightness of the soft light will not be strong enough. Therefore, satisfying 3mm ≤ L ≤ 10mm allows for reasonable power control of the LED while improving both light uniformity and soft light brightness. Attached Figure Description

[0033] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0034] Figure 1 This is a structural diagram of a hair dryer according to one embodiment of the present invention;

[0035] Figure 2 This is an exploded view of a hair dryer in one embodiment of the present invention;

[0036] Figure 3 This is a cross-sectional view of a hair dryer according to one embodiment of the present invention;

[0037] Figure 4 for Figure 3 Enlarged diagram of section A in the middle;

[0038] Figure 5 This is a schematic diagram of the structure of the light guide component in one embodiment of the present invention;

[0039] Figure 6 This is a schematic diagram illustrating the cooperation between the light guide and the outer shell in one embodiment of the present invention;

[0040] Figure 7 This is a schematic diagram showing the installation of the light guide and the air inlet mesh cover in one embodiment of the present invention;

[0041] Figure 8 This is a schematic diagram of the structure of the motor bracket in one embodiment of the present invention;

[0042] Figure 9 This is a partial cross-sectional view of a hair dryer in one embodiment of the present invention;

[0043] Figure 10 This is an exploded structural diagram of a hair dryer according to one embodiment of the present invention.

[0044] Explanation of reference numerals in the attached figures:

[0045] 10. Body; 20. Handle; 11. Outer shell; 111. Buckle; 112. Air outlet bracket; 113. Iron sheet; 12. Motor; 13. Motor bracket; 131. Limiting rib; 132. Stud; 14. Air inlet cover; 141. Inner cover; 1411. Anti-rotation part; 142. Outer cover; 30. Light-emitting element; 31. Light strip; 32. LED light; 40. Light guide; 41. First light guide plate; 42. Second light guide plate; 421. Slot; 43. Light guide part; 44. Sleeve part; 45. Clearance opening; 50. Light guide chamber; 60. Nozzle; 61. Magnet; 70. Signal element; 71. Identification element; 80. Fastener. Detailed Implementation

[0046] To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.

[0047] Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below. It should be noted that, unless otherwise specified, the embodiments of the present invention and the features thereof can be combined with each other.

[0048] Furthermore, it should be understood in the description of this utility model that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0049] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0050] In this utility model, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0051] like Figure 1 As shown, this utility model provides a hair dryer, including a body 10 and a handle 20, as follows: Figure 2 As shown, the casing 10 includes a cylindrical outer shell 11, a motor 12 installed inside the outer shell 11, a motor bracket 13 fitted around the motor 12 and fixing the motor 12 to the outer shell 11, and an air inlet cover 14 located at the rear end of the outer shell 11. An air outlet is provided at the front end of the outer shell 11. Both the outer shell 11 and the air inlet cover 14 are made of opaque material. Figure 2 As shown, the hair dryer also includes: a light-emitting element 30 and a light guide element 40. The light-emitting element 30 is mounted on the motor bracket 13 and includes a light strip 31 arranged around the motor bracket 13 and LED lights 32 spaced apart on the light strip 31. The LED lights 32 are located on the side of the light strip 31 facing the air inlet mesh cover 14. The light guide element 40 is arranged in a ring around the motor bracket 13 and directly opposite the LED lights 32, such as... Figure 3 , 4 As shown, the light guide 40 and the LED lamp 32 are arranged along the axial gap of the motor bracket 13 to form an annular light guide chamber 50 between them. The light guide 40 includes a light guide portion 43 extending to be clamped between the housing 11 and the air inlet cover 14. The outer peripheral surface of the light guide portion 43 is exposed to form a light-emitting surface 431.

[0052] The hair dryer provided by this utility model forms an annular light guide chamber 50 between the light guide component 40 and the LED lamp 32 by setting them along the axial gap of the motor bracket 13. This allows the light emitted by the LED lamp 32 to be scattered and diffusely reflected within the light guide chamber 50, reducing the intensity difference of the light around the LED lamp 32 and achieving a uniform light treatment effect. Of course, the light energy is weakened during reflection within the light guide chamber 50, achieving a soft light effect and avoiding glare. Furthermore, the light passing through the light guide chamber 50 is further dispersed onto the light guide component 40, and guided by the light guide component 40, it is emitted from the outer peripheral surface of the light guide portion 43 clamped between the outer shell 11 and the air inlet mesh cover. Since the outer peripheral surface of the light guide 43 is exposed to form a light-emitting surface, the light can be directly emitted to the outside world after passing through the light guide 40 without being blocked or obstructed again. This avoids the excessive weakening of light formation by traditional structures such as the housing 11, and improves the brightness of the soft light. Therefore, this application improves the uniformity of light while also taking into account the reasonable control of light brightness, thereby achieving a good light emission effect, giving users a good sense of atmosphere and a comfortable experience, and can also provide users with corresponding mode prompts, resulting in a better user experience.

[0053] As a preferred option, such as Figure 4 As shown, the distance between the part of the light guide 40 directly opposite the LED 32 and the LED 32 is L, which satisfies the condition: 3mm ≤ L ≤ 10mm. For example, L can be 3mm, 5mm, 5.2mm, 8mm, or 10mm.

[0054] Because the distance between the light guide 40 and the LED 32 is too short, the light reflection distance within the light guide cavity 50 is short, failing to achieve a better light uniformity and resulting in slight differences in intensity. Conversely, if the distance between the light guide 40 and the LED 32 is too long, the power of the LED 32 needs to be increased, leading to unnecessary power consumption. Therefore, satisfying 3mm ≤ L ≤ 10mm allows for reasonable power control of the LED 32 while also improving light emission uniformity.

[0055] like Figure 3 , 4 As shown in Figure 5, in a preferred embodiment, the light guide 40 includes a first annular light guide plate 41 disposed opposite to the LED lamp 32 and a second light guide plate 42 protruding from the first light guide plate 41 toward the lamp strip 31. The light guide portion 43 is located at the periphery of the first light guide plate 41, and the second light guide plate 42 extends along the inner peripheral wall of the housing 11. The first light guide plate 41, the second light guide plate 42, the lamp strip 31 and the motor bracket 13 enclose a light guide cavity 50.

[0056] It should be noted that in this embodiment, the second light guide plate 42 can be an annular plate extending circumferentially along the first light guide plate 41, or a notch or groove can be opened on the annular plate to achieve the purpose of light diffusion.

[0057] Combination Figure 5 , 6 As shown in Figures 7 and 8, more preferably, the second light guide plate 42 is fastened and installed on the inner peripheral wall of the housing 11. Specifically, a buckle 111 is provided on the inner peripheral wall of the housing 11, and a slot 421 is provided on the second light guide plate 42.

[0058] Since the light guide 40 includes a first annular light guide plate 41 facing the LED lamp 32 and a second light guide plate 42 protruding from the first light guide plate 41 toward the light strip 31, the first light guide plate 41 facing the LED lamp 32 can receive the light directly emitted by the LED lamp 32 and homogenized through the light guide cavity 50. At the same time, the second light guide plate 42 protruding toward the light strip 31 and extending along the inner peripheral wall of the housing 11 can effectively absorb the light emitted at an angle by the LED lamp 32, avoiding light loss. Therefore, under the combined action of the light-gathering and light-absorbing second light guide plate 42 and the light-absorbing first light guide plate 41, the light absorption effect of the entire light guide 40 is superimposed, which enhances the light guiding efficiency and light utilization rate of the entire light guide 40, improves the soft light brightness of the entire light-emitting surface, and enhances the atmosphere.

[0059] The second light guide plate 42 not only enhances the light absorption efficiency and utilization rate, but also serves to fasten and install with the inner peripheral wall of the outer shell 11, thereby fixing the light guide 40 to the outer shell 11. This structural integration allows for a compact arrangement of the hair dryer, eliminating the need for additional fixing structures, reducing the number of hair dryer parts, and simplifying the assembly of the entire machine.

[0060] Of course, the structure of the light guide 40 is not limited to the one described above. In another preferred embodiment, the light guide 40 includes a first light guide plate 41 disposed opposite to the LED lamp 32. The first light guide plate 41, the shell side wall of the outer shell 11, the lamp strip 31 and the motor bracket 13 enclose and form a light guide cavity 50.

[0061] By setting the light guide 40 to include a first light guide plate 41 positioned directly opposite the LED lamp 32, the structure is simplified. The first light guide plate 41 can receive light that has been homogenized by the light guide cavity 50 in a forward direction, and then guide the light to be emitted uniformly from the light-emitting surface. The first light guide plate 41, the shell sidewall of the outer casing 11, the lamp strip 31 and the motor bracket 13 enclose and form the light guide cavity 50. That is, the shell sidewall of the outer casing 11 is used as the cavity wall of the light guide cavity 50, which realizes the simplification of the structure and efficient utilization. The overall structure is simple and the cost is reduced.

[0062] In a preferred embodiment, such as Figure 6 , 7As shown in Figure 8, the air inlet cover 14 includes an inner cover 141 and an outer cover 142. The inner cover 141 is fixed to the rear end of the motor bracket 13 and presses the light guide 40 against the rear end of the outer shell 11. The outer cover 142 is detachably sleeved on the outside of the inner cover 141, for example, the outer cover 142 and the inner cover 141 are magnetically or snap-fitted together.

[0063] like Figure 7 As shown, the light guide 40 includes a first annular light guide plate 41 positioned opposite the LED lamp 32 and a sleeve portion 44 protruding from the first light guide plate 41. An inner mesh cover 141 is sleeved around the outer periphery of the sleeve portion 44. Fasteners 80 radially lock the inner mesh cover 141 to the motor bracket 13, so that the sleeve portion 44 is clamped between the motor bracket 13 and the inner mesh cover 141. Specifically, the sleeve portion 44 has a clearance opening 45. Fasteners 80, such as screws, radially pass through the inner mesh cover 141 and the clearance opening 45 to lock with the motor bracket 13. Furthermore, the inner mesh cover 141 has a radially inwardly protruding anti-rotation portion 1411, which engages in the clearance opening 45. Fasteners 80 pass through the inner mesh cover 141 and the anti-rotation portion 1411 to lock with the stud 132 of the motor bracket 13.

[0064] like Figure 7 As shown, a limiting rib 131 protrudes from the outer periphery of the motor bracket 13, and the light guide 40 abuts against the limiting rib 131 along the axial direction. The LED lamp 32 and the light guide 40 are isolated by the limiting rib 131 to form a light guide cavity 50.

[0065] By setting a limiting rib 131 on the outer periphery of the motor bracket 13, during the assembly of the blower, the assembler can sleeve the light guide 40 onto the motor bracket 13 along the axial direction. When it abuts against the limiting rib 131, it gives a prompt that the assembly is in place, avoiding over-assembly. The LED lamp 32 and the light guide 40 are isolated by the limiting rib 131 to form a light guide cavity 50. Therefore, through the isolation and limitation of the limiting rib 131, the assembler is prevented from over-assembling and causing the LED lamp 32 to contact the light guide 40, thereby forming an effective light guide cavity 50 and achieving a uniform light effect.

[0066] Combination Figure 6 , 7 8. Based on the hair dryer provided in this embodiment, its assembly steps are as follows:

[0067] First, such as Figure 8 As shown, the light strip 31 is fitted onto the outer periphery of the motor bracket 13 and snapped in place to form a module. This module is then inserted into the outer casing and snapped in place. Subsequently, as... Figure 7As shown, the light guide 40 and the inner mesh cover 141 are sequentially fitted onto the outer periphery of the motor bracket 13 and abut against the rear end of the outer shell 11. The light guide 40 is installed in place when it abuts against the limiting rib 131, and the inner mesh cover 141 presses against the light guide 40 to complete the installation. Figure 9 Fastener 80 is passed through the anti-rotation part 1411 and the clearance opening 45 of the inner mesh cover and locked onto the stud 132 of the motor bracket to complete the fixing of the inner mesh cover, light guide and motor bracket; finally, the outer mesh cover 142 is sleeved on the outer periphery of the inner mesh cover 141 and detachably engaged by magnetic attraction or buckle to complete the assembly of the whole machine.

[0068] In the hair dryer provided in this embodiment, the air inlet cover 14 includes an inner cover 141 and an outer cover 142, achieving a dual protection effect. This prevents the user's hair from being sucked into the outer casing 11, causing pain. Simultaneously, it achieves a dual filtration effect, preventing external dust from being sucked into the outer casing 11 during operation, thus preventing airflow obstruction and ensuring efficient airflow and structural reliability. The inner cover 141 is fixed to the rear end of the motor bracket 13, pressing the light guide 40 against the rear end of the outer casing 11. This fixes the inner cover 141 to the motor bracket 13 while simultaneously limiting the position of the light guide 40, ensuring stable and convenient installation. By detachably attaching the outer cover 142 to the outside of the inner cover 141, the user can periodically remove the outer cover 142 to clean the mesh, reducing noise and airflow obstruction caused by mesh blockage and extending the service life.

[0069] By providing a first annular light guide plate 41 directly opposite the LED lamp 32 and a sleeve portion 44 protruding from the first light guide plate 41 on the light guide component 40, and sleeved around the outer periphery of the sleeve portion 44, the inner mesh cover 141 and the light guide component 40 are radially positioned and installed. By passing fasteners radially through the inner mesh cover 141 and the clearance opening 45 along the motor bracket 13 and locking them to the motor bracket 13, the inner mesh cover 141 and the motor bracket 13 are locked and fixed. At the same time, the inner mesh cover 141 presses the light guide component 40 against the rear end of the outer shell 11, achieving stable assembly of the entire machine. Based on this, the fasteners 80 pass radially along the motor bracket 13, instead of axially through the light guide component 40, effectively avoiding the problem of screw shadows on the light guide component 40, thereby improving the light guiding uniformity of the light guide component 40.

[0070] By providing a radially inwardly protruding anti-rotation part 1411 on the inner mesh cover 141, the anti-rotation part 1411 is engaged in the relief opening 45 to achieve circumferential anti-rotation. At the same time, the inward protrusion of the anti-rotation part 1411 forms a locally thickened structure. Therefore, when the fastener passes through the inner mesh cover 141, the anti-rotation part 1411 and the motor bracket 13 are locked, the fastener and the thickened anti-rotation part 1411 cooperate. Compared with the fastener directly cooperating with the unthickened inner mesh cover 141, the structural strength of the fastener locking position is strengthened, and the cracking of the inner mesh cover 141 that would cause the fastener to loosen is avoided, making the fixation more reliable.

[0071] Of course, in this utility model, the connection method between the light guide 40 and the inner mesh cover 141 is not limited to the one mentioned above.

[0072] In other embodiments, the sleeve portion 44 includes a plurality of protrusions arranged circumferentially around the motor bracket 13, with a clearance opening 45 formed between two adjacent protrusions. The inner mesh cover 141 is sleeved on the outer periphery of the plurality of protrusions, eliminating the need for an additional anti-rotation portion 1411 on the inner mesh cover. By including a plurality of protrusions arranged circumferentially around the motor bracket 13 in the sleeve portion 44, and with the inner mesh cover 141 sleeved on the outer periphery of the plurality of protrusions, the plurality of protrusions cooperate to achieve radial limiting of the inner mesh cover 141. The gap formed between two adjacent protrusions serves as a clearance opening 45, allowing for clearance with the fasteners. This makes the fastening of the inner mesh cover easier. At the same time, the fasteners are stopped by the two adjacent protrusions, achieving anti-rotation limiting of the inner mesh cover and the light guide 40. No additional anti-rotation structure is required, simplifying the structure of the inner mesh cover and the motor bracket 13.

[0073] In other embodiments, the socket 44 includes a plurality of protrusions arranged circumferentially around the motor bracket 13, with a clearance opening 45 formed between adjacent protrusions. The inner mesh cover 141 is provided with insertion slots that engage with each of the protrusions. The socket 44 includes a plurality of protrusions arranged circumferentially around the motor bracket 13, and the inner mesh cover 141 is provided with insertion slots that engage with each of the protrusions. When a protrusion engages with an insertion slot, the inner mesh cover 141 and the light guide 40 are engaged, simultaneously achieving anti-rotation and limiting, resulting in a more integrated structure. Utilizing the gap between adjacent protrusions as a clearance opening 45 allows for clearance with fasteners, making the fastening of the inner mesh cover easier.

[0074] In other embodiments, fasteners can also be installed radially along the inner mesh cover, passing sequentially through the inner mesh cover and the socket of the light guide, and then locked to the mounting bracket. This method is simple and reliable.

[0075] In a preferred embodiment, such as Figure 10As shown, the hair dryer includes multiple replaceable nozzles 60 installed at the air outlet. Different nozzles are equipped with signal elements 70 with different signal values. The housing 11 is equipped with a control device and an identification element 71. Specifically, an air outlet bracket 112 is provided at the air outlet of the housing 11. The identification element 71 is installed on the air outlet bracket 112 and is used to identify the signal value of the signal element 70 in the nozzle when the nozzle is installed in place. The control device is used to control the LED light 32 to emit different colors of light according to the different signal values ​​identified by the identification element 71.

[0076] like Figure 10 As shown, more preferably, the signal element 70 is a label plate and is sealed inside the nozzle 60, the identification element 71 is an RFID plate, the label plate and the RFID plate are arranged opposite to each other along the nozzle installation direction, the multiple nozzles include a soft-care nozzle, a straightening nozzle and a styling nozzle, and the LED light 32 includes a white light state corresponding to the nozzle not being installed, a pink light state corresponding to the soft-care nozzle being installed, a yellow light state corresponding to the straightening nozzle being installed and a purple light state corresponding to the styling nozzle being installed.

[0077] Of course, in other embodiments, the signal element 70 may also be a magnet, and the identification element may be a Hall plate.

[0078] like Figure 10 As shown, more preferably, each nozzle 60 is also equipped with a magnet 61, and an iron plate 113 is set on the air outlet bracket 112, so that each nozzle 60 can be magnetically positioned on the air outlet bracket 112, that is, positioned at the air outlet. Of course, the positioning and mating of the nozzle and the air outlet can also be by snap-fit, thread, etc.

[0079] By providing multiple nozzles, users can flexibly select the appropriate nozzle according to their needs, ensuring a high degree of matching. For example, a gentle nozzle can be used to avoid damaging hair, a straightening nozzle can be used to straighten hair, and a styling nozzle can be used to create a fixed style. Therefore, the hair dryer not only meets users' hair drying needs but also offers other modes for selection, providing diverse functions and modes to enhance users' willingness to purchase. By incorporating a signal element 70, a control device, and a recognition element 71, the control device controls the LED light 32 to emit different colors of light based on different signal values ​​identified by the recognition element 71. After installing different nozzles, users can intuitively identify the type by the color of the LED light 32, enhancing the hair dryer's intelligence and improving the user experience.

[0080] Utilizing a combination of label and RFID identification, the system offers accurate and highly intelligent identification. It eliminates the need for deliberate installation in a specific orientation, allowing for flexible nozzle placement. Nozzle alignment is simple, and user operation is straightforward. Multiple nozzles are included, such as a gentle care nozzle, a smoothing nozzle, and a styling nozzle, allowing users to choose flexibly according to their needs. The 32 LED lights correspond to different states: white for an uninstalled nozzle, pink for a properly installed gentle care nozzle, yellow for a properly installed smoothing nozzle, and purple for a properly installed styling nozzle. Each color—white, pink, yellow, and purple—provides a gentle and comfortable feel, with clear distinctions between different nozzle modes. The white light corresponding to an uninstalled nozzle is easy for users to remember, reducing the need for frequent manual consultation and simplifying operation and user experience.

[0081] For any parts not mentioned in this utility model, existing technologies can be used or referenced.

[0082] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0083] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A hair dryer, comprising a body and a handle, the body comprising a cylindrical outer shell, a motor installed within the outer shell, a motor bracket fitted around the motor and fixing the motor to the outer shell, and an air inlet cover located at the rear end of the outer shell, the front end of the outer shell having an air outlet, the outer shell and the air inlet cover being made of opaque material, characterized in that, Also includes: The light-emitting element is mounted on the motor bracket and includes a light strip arranged around the motor bracket and LED lights arranged at intervals on the light strip. The LED lights are located on the side of the light strip facing the air inlet cover. A light guide is provided, which is arranged in a ring around the motor bracket and directly opposite the LED light. The light guide and the LED light are arranged with an axial gap along the motor bracket to form an annular light guide cavity between them. The light guide includes a light guide portion extending to be clamped between the housing and the air inlet cover. The outer peripheral surface of the light guide portion is exposed to form a light-emitting surface.

2. A hair dryer according to claim 1, characterized in that, The light guide includes a first annular light guide plate positioned opposite the LED light and a second light guide plate protruding from the first light guide plate toward the light strip. The light guide portion is located at the periphery of the first light guide plate, and the second light guide plate extends along the inner peripheral wall of the housing. The first light guide plate, the second light guide plate, the light strip, and the motor bracket together form the light guide cavity.

3. A hair dryer according to claim 2, characterized in that, The second light guide plate is fastened and installed on the inner peripheral wall of the housing.

4. A hair dryer according to claim 1, characterized in that, The light guide includes a first light guide plate positioned opposite the LED light, and the first light guide plate, the shell sidewall of the housing, the light strip, and the motor bracket together form the light guide cavity.

5. A hair dryer according to any one of claims 1-4, characterized in that, The air inlet cover includes an inner cover and an outer cover. The inner cover is fixed to the rear end of the motor bracket and presses the light guide against the rear end of the housing. The outer cover is detachably sleeved on the outside of the inner cover.

6. A hair dryer according to claim 5, characterized in that, The light guide includes an annular first light guide plate positioned opposite the LED light and a sleeve portion protruding from the first light guide plate. The inner mesh cover is sleeved on the outer periphery of the sleeve portion. Fasteners lock the inner mesh cover to the motor bracket along the radial direction of the motor bracket, so that the sleeve portion is clamped between the motor bracket and the inner mesh cover.

7. A hair dryer according to claim 6, characterized in that, The socket is provided with a clearance opening, and the fastener passes through the inner mesh cover and the clearance opening in sequence and is locked to the motor bracket. Alternatively, the socket is provided with a clearance opening, the inner mesh cover is provided with a radially inwardly protruding anti-rotation part, the anti-rotation part is engaged in the clearance opening, and the fastener passes through the inner mesh cover and the anti-rotation part and locks with the motor bracket. Alternatively, the sleeve portion includes a plurality of protrusions arranged circumferentially around the motor bracket, and the inner mesh cover is sleeved on the outer periphery of the plurality of protrusions; Alternatively, the socket may include a plurality of protrusions arranged circumferentially around the motor bracket, and the inner mesh cover may be provided with insertion slots that engage with the plurality of protrusions one by one.

8. A hair dryer according to claim 1, characterized in that, The hair dryer includes multiple replaceable nozzles installed at the air outlet. Different nozzles are equipped with signal elements with different signal values. The housing contains a control device and an identification element. The identification element is used to identify the signal value of the signal element in the nozzle when it is installed in place. The control device is used to control the LED to emit different colors of light according to the different signal values ​​identified by the identification element.

9. A hair dryer according to claim 8, characterized in that, The signal element is a label plate and is sealed inside the nozzle. The identification element is an RFID board. The label plate and the RFID board are arranged opposite to each other along the nozzle installation direction. The multiple nozzles include a soft-care nozzle, a straightening nozzle, and a styling nozzle. The LED lights include a white light state corresponding to when the nozzle is not installed, a pink light state corresponding to when the soft-care nozzle is installed, a yellow light state corresponding to when the straightening nozzle is installed, and a purple light state corresponding to when the styling nozzle is installed.

10. A hair dryer according to claim 1, characterized in that, The motor bracket has a limiting rib protruding from its outer periphery. The light guide abuts against the limiting rib along the axial direction. The LED lamp is isolated from the light guide by the limiting rib to form the light guide cavity. Alternatively, the distance between the part of the light guide directly opposite the LED and the LED is L, satisfying: 3mm≤L≤10mm.

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