Far infrared hair dryer

Abstract

The present application provides a far-infrared hair dryer, comprising: a hair dryer housing, in which an installation cavity is provided; a far-infrared generator, which is provided in the installation cavity and is used to emit far-infrared rays toward the air outlet side of the hair dryer housing; a focusing cover body, which is provided in the installation cavity and is provided with a focusing arc surface, which forms a light outlet toward the air outlet side; the far-infrared generator is provided on the focusing cover body, and the far-infrared rays emitted are gathered through the focusing arc surface and emitted from the light outlet. The invention solves the problem of low utilization rate of overly dispersed far-infrared rays in the scalp irradiation process in the prior art during the use of the hair dryer.

Description

Technical Field

[0001] The present application relates to the technical field of hair dryers, and in particular to a far-infrared hair dryer. Background Art

[0002] Hair dryers are common electrical appliances in people's daily lives. They are used in large quantities and widely. They are often used in hair care, laboratories, physiotherapy rooms, industrial production, art and other fields. They are mainly used for drying and styling hair. The structure of hair dryers is similar. They are generally composed of a shell, a handle, a motor, an impeller, a heating element, a switch, a power cord, etc. The working principle is generally that the motor drives the rotor to drive the impeller to rotate. When the impeller rotates, air is sucked in from the air inlet, and the centrifugal airflow formed is blown out from the air outlet. With the development of science and technology, hair dryers have gradually acquired the function of physical therapy and health care. The principle is to use the heating element to emit far-infrared rays to irradiate the human body. Due to resonance absorption, infrared rays activate certain biological macromolecules, thereby increasing the activity of biological molecules.

[0003] Existing far-infrared hair dryers usually use heating elements for excitation, and the emitted far-infrared rays are directly emitted to the human scalp through the ventilation channel. The emitted far-infrared rays are not easy to concentrate because they are in a scattered state, resulting in excessive dispersion of the emitted far-infrared rays. During the use of the hair dryer, the utilization rate of the overly dispersed far-infrared rays in the scalp irradiation process is low, resulting in the problem of low therapeutic efficiency during the use of hair dryers.

[0004] Therefore, the prior art still needs to be improved and developed. Summary of the invention

[0005] In view of the above-mentioned deficiencies of the prior art, the purpose of the present application is to provide a far-infrared hair dryer, which solves the problem of low utilization rate of overly dispersed far-infrared rays in irradiating the scalp during the use of the hair dryer in the prior art.

[0006] The present application provides a far-infrared hair dryer, comprising: a blowing shell, wherein a mounting inner cavity is provided in the blowing shell;

[0007] A far infrared ray generator is arranged in the installation inner cavity and is used to emit far infrared rays toward the air outlet side of the blowing housing;

[0008] A focusing cover body is arranged in the installation inner cavity and is provided with a focusing arc surface, and the focusing arc surface forms a light outlet toward the air outlet side;

[0009] The far infrared ray generator is arranged on the focusing cover body, and the emitted far infrared ray is gathered through the focusing arc surface and emitted from the light outlet.

[0010] Optionally, the focusing cover body comprises: a focusing cup portion, the focusing arc surface is arranged in the focusing cup portion, and the light outlet is located at the air outlet side of the focusing cup portion;

[0011] An outer frame, which is arranged outside the focusing cup portion and forms an air outlet between the outer frame and the focusing cup portion;

[0012] The focusing cover body is connected to the blowing shell body through an outer frame.

[0013] Optionally, the outer frame includes: an outer ring, an air outlet is formed between the outer ring and the outer wall of the focusing cup portion;

[0014] An inner extension plate, the inner extension plate is extended toward a side away from the air outlet and toward a central axis direction away from the focusing cover body;

[0015] The hook is arranged on the side wall of the inner extension plate facing the air outlet and is used to be clamped in the clamping groove on the inner wall of the blowing shell.

[0016] Optionally, a clamping cavity is formed between the inner extension plate and the focusing cup portion, and the clamping cavity is used to accommodate an air guide member, and the air guide member is used to guide the airflow in the blowing housing to the air outlet.

[0017] A lower retaining groove is provided on the side wall of the focusing cup portion, and the lower retaining groove is used for arranging an air guide member.

[0018] Optionally, the air guide member includes: an air guide inner ring, which is sleeved on the outer side of the far infrared generator and extends along the first direction;

[0019] An air guide outer ring, which is sleeved on the outer side of the air guide inner ring and extends along the first direction;

[0020] A plurality of middle support plates are arranged at intervals between the inner air guide ring and the outer air guide ring to form a plurality of first air guide channels, and one end of the plurality of first air guide channels is connected to the air outlet.

[0021] Optionally, a sealing frame is connected to a side of the air guide member facing away from the air outlet, and the sealing frame is used to seal the inner cavity of the air guide inner ring.

[0022] Optionally, the hair dryer housing includes a hair dryer head housing and a hair dryer handle housing, and an air inlet channel is arranged in the hair dryer handle housing along the second direction;

[0023] A ventilation tail frame is arranged in the hair dryer head shell, and a circumferential air duct is arranged on the ventilation tail frame. The circumferential air duct is connected with a plurality of first air guide channels and an air inlet channel.

[0024] Optionally, the far infrared generator comprises: a light panel;

[0025] Far infrared lamp beads, which are arranged on the lamp board;

[0026] The optical mask covers the outside of the far-infrared lamp beads and penetrates the central axis of the focusing cover body. The optical mask is used to focus the transmitted far-infrared rays.

[0027] Optionally, the optical mask has a lens arc surface that is convex toward the light outlet, and the focusing arc surface is concave relative to the light outlet;

[0028] The lens arc surface matches the focusing arc surface to focus the far infrared rays.

[0029] Optionally, the radial width of the air outlet accounts for 8%-20% of the radius of the light outlet.

[0030] Beneficial effect: A far-infrared hair dryer in the present application has a far-infrared generator arranged in a hair dryer housing, and the far-infrared generator emits far-infrared toward the air outlet side of the hair dryer housing. The emitted far-infrared is reflected and gathered by the focusing arc surface of the focusing cover body and then emitted from the light outlet, so that the generated radiated far-infrared can be gathered on the scalp, and the far-infrared generated by the far-infrared generator can be fully reflected and gathered in a small certain area on the scalp, so that the scalp has a warm feeling, which helps the scalp to be treated and promote health. This avoids the scattering and waste of scattered far-infrared rays, improves the utilization rate of far-infrared rays in the process of irradiating the scalp, and makes the far-infrared treatment efficiency higher during the use of the hair dryer. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A schematic diagram of the structure of a far-infrared hair dryer according to an embodiment of the present application;

[0032] Figure 2 A cross-sectional view of a far-infrared hair dryer according to an embodiment of the present application;

[0033] Figure 3 A cross-sectional view of the interior of a hair dryer head shell of a far-infrared hair dryer according to an embodiment of the present application;

[0034] Figure 4 for Figure 3 A magnified image of point A;

[0035] Figure 5 for Figure 3 The enlarged view of point B;

[0036] Figure 6 A cross-sectional view of a part of the structure inside the hair dryer head shell of a far-infrared hair dryer according to an embodiment of the present application after explosion;

[0037] Figure 7 An exploded view of a hair dryer head shell of a far-infrared hair dryer according to an embodiment of the present application;

[0038] Figure 8 An exploded view of the structure inside the hair dryer head shell of a far-infrared hair dryer according to an embodiment of the present application from another perspective;

[0039] Fig. 9 This is a front view of a far-infrared hair dryer according to an embodiment of the present application.

[0040] The numbers in the figure are as follows: 100, blower housing; 110, blower head housing; 111, installation inner cavity; 112, snap-in groove; 113, guide inclined plate; 120, blower handle housing; 121, air inlet channel; 122, air inlet; 200, focusing cover body; 201, air outlet; 202, snap-in cavity; 203, light outlet; 210, focusing cup; 211, focusing arc surface; 212, second arc surface; 213, lower retaining groove; 220, outer frame; 221, outer ring; 222, inner extension plate; 223, hook; 224, first arc surface; 230, support inner cylinder; 231, step surface; 232, support connecting rib; 233, fixed Fixed set table; 240, sealing ring; 300, far-infrared generator; 310, lamp board; 311, guide recess; 320, far-infrared lamp beads; 330, optical mask; 331, lens arc surface; 400, air guide; 401, first air guide channel; 410, air guide inner ring; 420, air guide outer ring; 430, middle support plate; 500, sealing frame; 510, outer sleeve; 520, sealing plate; 530, crimping edge; 531, boss; 532, limiting groove; 600, ventilation tail frame; 601, circumferential air duct; 610, tail frame plate; 620, half circle baffle; 630, front boss; 700, main circuit board; 800, back cover. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the present application clearer and more specific, the present application is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific examples described here are only used to explain the present application and are not used to limit the present application.

[0042] like Figure 1As shown, this embodiment proposes a far-infrared hair dryer, which is used to achieve the blowing function, and can also provide far-infrared rays and generate negative ions during the blowing process, so as to achieve the effect of physical therapy on the scalp. Far-infrared light waves can promote the metabolism of the scalp, reduce the production of dandruff, and are beneficial to the health of the pores of the scalp. It can also promote blood circulation in the scalp. Far-infrared light wave irradiation can increase the blood flow of the scalp, improve the nutritional status of the scalp, reduce inflammatory reactions, and are beneficial to the health of the scalp. Far-infrared light waves can relieve scalp pain. If the scalp is injured and causes pain, infrared light wave irradiation can promote blood circulation and relieve pain symptoms. Far-infrared light waves can promote scalp metabolism, infrared light waves can promote scalp cell regeneration, promote collagen synthesis, make the scalp more elastic, and thus improve the problem of dandruff. Far-infrared light waves improve hair loss. Far-infrared light wave irradiation can stimulate hair follicles, so that they "wake up" from a dormant state to an active hair growth state, accelerate hair growth, and red light therapy can also help restore hair growth after chemotherapy.

[0043] like Figure 1 , Figure 2As shown, the far-infrared hair dryer in this embodiment mainly includes: a hair dryer housing 100, a far-infrared generator 300 and a focusing cover body 200. An installation cavity 111 is provided in the hair dryer housing 100. The hair dryer housing 100 is used as a shell, and the installation cavity 111 is mainly used to install various parts of the hair dryer. The hair dryer housing 100 is similar to a conventional hair dryer housing. The hair dryer housing 100 specifically includes a hair dryer head housing 110 and a hair dryer handle housing 120. For the convenience of structural description, the extension direction of the hair dryer head housing 110 is a first direction, which can be a front-to-back direction, with the front side of the hair dryer head housing 110 as the air outlet side, so that the hair dryer blows toward the front side when in use; the extension direction of the hair dryer handle housing 120 is a second direction, which can be an up-down direction. The hair dryer handle housing 120 is connected to the interior of the hair dryer head housing 110. In addition to being vertically arranged, the first direction and the second direction can also be arranged at a certain acute angle (obtuse angle). The installation cavity 111 is arranged inside the blowing head shell 110, and thus extends in the front-to-back direction. In addition, the blowing head shell 110 of this embodiment is cylindrical or has a circular cross section (a certain section in the front-to-back direction is cylindrical or quasi-cylindrical), so that the blowing head shell 110 has a central axis. The far infrared generator 300 is arranged in the installation cavity 111, and is used to emit far infrared rays toward the air outlet side of the blowing housing 100; in the specific structure, the far infrared generator 300 is arranged on the central axis of the blowing head shell 110, and can be arranged coaxially therewith, so that the emitted far infrared rays are emitted in the circumferential direction. The focusing cover body 200 is arranged in the installation cavity 111 and is provided with a focusing arc surface 211. The focusing arc surface 211 is also hemispherical (or semi-ellipsoidal), and a light outlet 203 is formed on the focusing arc surface 211 facing the air outlet side (front side). The far-infrared generator 300 is penetrated by the focusing cover body 200. The focusing cover body 200 can be coaxially arranged with the hair dryer head shell 110, so that the far-infrared generator 300 is located on the central axis of the focusing arc surface 211. After the far-infrared generator 300 emits far-infrared light, the far-infrared light is reflected by the focusing arc surface 211, and the focusing arc surface 211 gathers the reflected far-infrared light and emits it from the light outlet 203.

[0044] In this embodiment, a far infrared ray generator 300 and a focusing cover 200 are arranged in the hair dryer housing 100, and the reflection and focusing effect of the focusing cover 200 is utilized to make the far infrared ray emitted by the far infrared ray generator 300 reflect through the focusing cover 200 and then be gathered and emitted from the front light outlet 203, so that the generated radiated far infrared ray can be gathered on the scalp, and the far infrared ray generated by the far infrared ray generator 300 can be fully reflected and gathered in a small certain area on the scalp, so that the scalp has a warm feeling, which helps the scalp to be treated and promote health. Thus, the scattered far infrared ray is avoided from being scattered and wasted, the utilization rate of the far infrared ray in the process of irradiating the scalp is improved, and the far infrared treatment efficiency during the use of the hair dryer is higher.

[0045] like Figure 2 , Figure 3 As shown, further, the focusing cover body 200 in this embodiment specifically includes: a focusing cup part 210, an outer frame 220 and a supporting inner cylinder 230. The focusing cup part 210, the outer frame 220 and the supporting inner cylinder 230 can be an integrally formed injection molded part. The focusing arc surface 211 is arranged in the focusing cup part 210, and the light outlet 203 is located on the air outlet side of the focusing cup part 210, so that the light outlet 203 is located at the front side, and the focusing arc surface 211 is concavely arranged toward the rear side relative to the light outlet. The outer frame 220 is arranged on the outside of the focusing cup part 210, and forms an air outlet 201 with the focusing cup part 210; in the specific structure, a connecting column is arranged between the inner circle of the outer frame 220 and the outer wall of the focusing cup part 210, so that a stable fixed connection is formed between the outer frame 220 and the focusing cup part 210, and the focusing cover body 200 is connected to the blowing housing 100 through the outer frame 220, so that the entire focusing cover body 200 is stably limited in the installation inner cavity 111 of the blowing housing 100. The supporting inner cylinder 230 is located at the rear end of the focusing cup part 210, and extends a predetermined length toward the side away from the light outlet, and the far infrared generator 300 is installed in the supporting inner cylinder 230 and passes through the focusing cover body 200.

[0046] like Figure 2 , Figure 3 As shown, further, the outer frame 220 in this embodiment specifically includes: an outer ring 221, an inner extension plate 222 and a hook 223. An air outlet 201 is formed between the outer ring 221 and the outer wall of the focusing cup portion 210; due to the connection of the connecting column, a plurality of air outlets 201 are formed, and the plurality of air outlets 201 are arranged around the central axis of the focusing cup portion 210 for discharging air toward the front side. For example, if three connecting columns are provided in the present application, three air outlets 201 are formed, so that the air outlet 201 is arc-shaped, and the arc of each air outlet 201 is close to 120°. In this way, while ensuring the stability of the connection strength of the connecting column, the air outlet volume can also be increased, thereby ensuring the air outlet effect of the hair dryer.

[0047] like Figure 2 , Figure 3 As shown, the inner extension plate 222 is extended toward the side away from the air outlet 201 and toward the central axis direction away from the focusing cover body 200; in the specific structure, the front end of the inner extension plate 222 is connected to the outer ring 221, so that the inner extension plate 222 is arranged around the outer ring 221, and the rear end of the inner extension plate 222 is inclined and extended toward the rear outer side, so the rear end diameter of the inner extension plate 222 is larger than the front end diameter. The hook 223 is arranged on the side wall of the inner extension plate 222 facing the air outlet 201, and the hook 223 is arranged in plurality, and the plurality of hooks 223 are arranged at intervals around the central axis of the inner extension plate 222. A corresponding snap-in groove 112 is arranged on the inner wall of the blowing head shell 110 of the blowing housing 100, and the hook 223 can be snapped into the snap-in groove 112, so as to connect the inner extension plate 222 to the inner wall of the blowing head shell 110.

[0048] like Figure 2 , Figure 3 , Figure 4 As shown, a chamfered structure is adopted at the front end of the hair dryer head housing 110, so that the front inner wall of the hair dryer head housing 110 forms an inclined inner wall surface with a smaller front and a larger rear, and the clamping groove 112 is provided on the inclined inner wall surface. A guide inclined plate 113 is provided at the rear side of the clamping groove 112, and the guide inclined plate 113 is fixedly connected to the inclined inner wall surface of the hair dryer head housing 110 and the rear side wall of the clamping groove 112, so as to improve the support strength of the clamping groove 112. Moreover, the guide inclined plate 113 gradually approaches the central axis of the blowing head shell 110 from the back to the front, so that when the focusing cover body 200 is installed in the blowing head shell 110 from the back to the front, the hook 223 can move toward the front side along the guide inclined plate 113, and deform under the extrusion of the guide inclined plate 113 and be compressed to approach the central axis of the blowing head shell 110, so that the hook 223 shrinks and slides smoothly into the clamping groove 112, and returns to its original position in the clamping groove 112 due to no extrusion, thereby realizing the installation and fixation of the inner extension plate 222 connected to the blowing head shell 110. The inclined inner extension plate 222 and the front end of the inclined blowing head shell 110 facilitate the pushing of the hook 223, and the installation process is more convenient.

[0049] like Figure 2 , Figure 3 , Figure 4 As shown, further, a clamping cavity 202 is formed between the inner extension plate 222 and the focusing cup portion 210 of this embodiment, and the clamping cavity 202 is used to accommodate the air guide 400, and the air guide 400 is used to guide the airflow in the blowing housing 100 to the air outlet 201. The clamping cavity 202 is used to limit the front end of the air guide 400, so that the front end of the air guide 400 can go deep into the focusing cover body 200, and the air guide 400 reduces air leakage during the air guiding process, and shortens the length in the front-to-back direction, so that the volume of the blowing head shell 110 is reduced, and the structure is optimized.

[0050] like Figure 2 , Figure 3 , Figure 5 As shown, further, the positioning cavity 202 formed between the inner extension plate 222 and the focusing cup part 210 in this embodiment not only has a limiting function, but also has a wind guiding function. Since the air outlet 201 in this embodiment is arranged at the edge of the hair-drying head shell 110, if the horizontal air outlet is adopted, the air volume will be dispersed. Therefore, this embodiment performs a special structural design on the positioning cavity 202, so that the air outlet direction of the air outlet 201 can be changed, so that the air volume is gathered toward the middle, and the utilization rate of wind energy is improved. In the specific structure, the inner wall surface of the inner extension plate 222 of this embodiment is the first curved surface 224, and the outer wall surface of the focusing cup part 210 is the second curved surface 212, and the radius of the first curved surface 224 is smaller than the radius of the second curved surface 212. Thereby, the inclination degree of the first curved surface 224 is smaller than the inclination degree of the second curved surface 212, so that the first curved surface 224 is steeper than the second curved surface 212. When the wind delivered by the air guide 400 enters the clamping cavity 202, the first curved surface 224 is guided by the second curved surface 212, and the gradually smaller clamping cavity 202 causes the wind to blow out toward the air outlet 201, and the smaller air outlet 201 gathers the wind to increase the wind force. At the same time, in the process of the clamping cavity 202 conducting the wind, the steeper first curved surface 224 guides the wind toward the central axis direction of the blowing head shell 110 (inward) to the air outlet 201, and the wind guiding amplitude is much larger than the amplitude of the second curved surface 212 guiding the wind outward, so that the blown wind will be blown out at a certain inclination angle (this angle is not large) toward the central axis direction of the blowing head shell 110 (inward), so that the wind volume can be blown toward the inside appropriately to fill the air volume gap of the light outlet of the focusing cover body 200, so that the wind volume is gathered toward the middle, and the wind energy utilization rate is improved.

[0051] like Figure 2 , Figure 3 , Figure 4 , Figure 6 As shown, further, a lower retaining groove 213 is provided on the outer wall of the focusing cup portion 210 of this embodiment, and the lower retaining groove 213 is used to set the air guide 400. The lower retaining groove 213 is used to limit the air guide 400, so that the air guide 400 connected to the focusing cover body 200 will not shake in the circumferential direction, thereby ensuring the connection stability of the air guide 400 on the focusing cover body 200.

[0052] like Figure 2 , Figure 3 , Figure 6As shown, further, a sealing ring 240 is provided between the outer wall of the outer ring 221 of this embodiment and the front inner wall of the hair dryer head shell 110, and the gap between the outer wall of the outer ring 221 and the hair dryer head shell 110 is sealed by the sealing ring 240, so that the structure is optimized and the appearance is better.

[0053] like Figure 2 , Figure 3 , Figure 7 As shown, further, the air guide member 400 of this embodiment specifically includes: an air guide inner ring 410, an air guide outer ring 420, and a plurality of middle support plates 430. The air guide inner ring 410 is sleeved on the outside of the far infrared generator 300 and extends in the front-to-back direction; specifically, the far infrared generator 300 is installed in the support inner cylinder 230, the air guide inner ring 410 is sleeved on the outside of the support inner cylinder 230, the air guide outer ring 420 is sleeved on the outside of the air guide inner ring 410 and extends in the front direction, and the plurality of middle support plates 430 are spaced between the air guide inner ring 410 and the air guide outer ring 420 to form a plurality of first air guide channels 401, and one end of the plurality of first air guide channels 401 is connected to the air outlet 201. Thereby, the multiple first air guiding channels 401 in the air guiding member 400 guide the air in the front-to-back direction, and the wind is blown out from different first air guiding channels 401 through the separation of the middle support plate 430, thereby dividing the wind into multiple independently transported wind streams, thereby avoiding mutual interference loss when the wind is transported in the installation cavity 111, and improving the air outlet efficiency.

[0054] like Figure 2 , Figure 3 , Figure 4 , Figure 7 As shown, the front and rear ends of the plurality of middle support plates 430 protrude from the air guide inner ring 410 and the air guide outer ring 420, and the lower retaining groove 213 is arranged corresponding to the middle support plate 430, and the opening of the lower retaining groove 213 faces the rear side. Thus, the protruding front end of the middle support plate 430 can be inserted into the lower retaining groove 213 and abut against the side wall of the lower retaining groove 213, and the middle support plate 430 is limited by the side wall of the lower retaining groove 213, thereby preventing the air guide member 400 from shaking in the circumferential direction. The protruding front end of the middle support plate 430 is chamfered, so that the air guide member 400 can be inserted into the clamping cavity 202 more easily, so that the air guide outer ring 420 and the inner extension plate 222 are not easy to leak air, and the air volume is blown out from the air outlet 201 to improve the air outlet efficiency.

[0055] like Figure 2 , Figure 3 , Figure 7 , Figure 8As shown, further, a sealing frame 500 is connected to the side of the air guide member 400 away from the air outlet 201, and the sealing frame 500 is used to seal the inner cavity of the air guide inner ring 410. In the specific structure, the sealing frame 500 is sleeved on the supporting inner cylinder 230 and seals the inner cavity of the supporting inner cylinder 230, so as to prevent wind from entering the supporting inner cylinder 230 and causing wind energy loss.

[0056] like Figure 2 , Figure 3 , Figure 7 , Figure 8 As shown, further, the sealing frame 500 specifically includes: an outer sleeve 510, a sealing plate 520 and a crimping edge 530. The front end of the outer sleeve 510 forms an opening, the sealing plate 520 is fixed to the rear end of the outer sleeve 510, and the crimping edge 530 is arranged on the edge of the outer sleeve 510 and protrudes outward. The outer sleeve 510 accommodates the support inner cylinder 230 through the opening, and is inserted between the support inner cylinder 230 and the inner wall of the air guide inner ring 410, so that the sealing plate 520 is sealed at the rear end opening of the support inner cylinder 230, and the crimping edge 530 can be pressed on the rear end of the middle support plate 430. Therefore, the sealing frame 500 not only realizes the sealing of the support inner cylinder 230, but also realizes the fixing of the air guide member 400 in the front and rear directions.

[0057] like Figure 2 , Figure 3 , Figure 7 , Figure 8 As shown, in the specific structure, a step surface 231 is provided on the outer wall of the supporting inner cylinder 230, and the surface of the step surface 231 extending toward the rear end is an inclined surface, and the inclined surface gradually approaches the central axis of the supporting inner cylinder 230 from the front to the back and extends to the rear end surface of the supporting inner cylinder 230. The inner wall of the outer sleeve 510 is set to be conical, and the outer sleeve 510 is inserted between the supporting inner cylinder 230 and the air guide 400 more smoothly through the conical inner wall, and is sleeved on the outer side of the supporting inner cylinder 230. During the insertion process, the outer wall of the outer sleeve 510 squeezes the inner wall of the air guide inner ring 410 of the air guide 400 to make the air guide 400 more stable. When subjected to strong wind force, the air guide 400 is sufficient to resist the wind force without shaking, thereby avoiding abnormal noise.

[0058] A plurality of threaded holes are provided on the rear end face of the supporting inner cylinder 230 , and a plurality of countersunk holes are provided on the end face of the sealing plate 520 . The entire sealing frame 500 is fixed to the focusing cover body 200 by inserting screws into the countersunk holes and connecting them to the threaded holes.

[0059] like Figure 2 , Figure 3 , Figure 7 , Figure 8As shown, the crimping edge 530 can be formed of a plurality of bosses 531 spaced around the central axis of the outer sleeve 510, and a limiting groove 532 is provided on the boss 531, and the opening of the limiting groove 532 faces forward. During the installation of the sealing frame 500, since the rear end of the middle support plate 430 protrudes from the air guide inner ring 410 (the air guide outer ring 420), the rear end of the middle support plate 430 can be inserted into the limiting groove 532, and the two sides of the middle support plate 430 are limited by the bosses 531. Not only can the limiting function be realized so that the air guide member 400 does not move in the front and rear directions, but the structure of the middle support plate 430 can be strengthened so that the middle support plate 430 is not easily deformed or shaken when subjected to strong wind impact, thereby improving the structural stability during the blowing process without generating abnormal noise.

[0060] Furthermore, in the present embodiment, an air inlet channel 121 is arranged in the second direction in the blow handle shell 120, so the air inlet channel 121 can be arranged in the up-down direction, and a plurality of air inlets 122 are provided on the outer wall of the lower end of the blow handle shell 120, and the air inlets 122 are connected with the air inlet channel 121. A fan is arranged in the air inlet channel 121, and under the action of the fan, air is made to enter the air inlet channel 121 from the air inlet 122 to form wind, and then blown to the first air guide channel 401 in the blow head shell 110, and blown out from the air outlet 201 through the first air guide channel 401.

[0061] like Figure 2 , Figure 3 , Figure 7 , Figure 8 As shown, in order to achieve smooth wind guidance, a ventilation tail frame 600 is provided in the hair blowing head shell 110, and a circumferential air duct 601 is provided on the ventilation tail frame 600. The circumferential air duct 601 is arranged around the central axis of the ventilation tail frame 600, and the circumferential air duct 601 is connected to multiple first wind guide channels 401 and the air inlet channel 121. The lower part of the circumferential air duct 601 is provided with an opening to cooperate with the upper part of the air inlet channel 121 to communicate, and the front side of the circumferential air duct 601 is also provided with an opening, so that it can be connected with each of the circumferentially distributed first wind guide channels 401, so that the wind on the air inlet channel 121 is transmitted to each of the first wind guide channels 401 after passing through the circumferential air duct 601.

[0062] like Figure 2 , Figure 3 , Figure 7 , Figure 8As shown, further, the ventilation tail frame 600 in the present embodiment specifically comprises: tail frame plate 610, half circle baffle plate 620 and front boss 630. Half circle baffle plate 620 is semi-circularly arranged at the upper edge of tail frame plate 610, and front boss 630 is protruded forwardly and arranged on tail frame plate 610, so that circumferential air duct 601 is formed between half circle plate of outside and middle front boss 630. When assembling, half circle baffle plate 620 is inserted between the inner wall of air guide 400 and air blowing head shell 110, and middle support plate 430 is made to go deep into circumferential air duct 601, so that air guide 400 can be squeezed and fixed by ventilation tail frame 600, and air guide 400 is difficult to loosen, and is not easy to produce abnormal sound when the air volume is large. And middle support plate 430 rear end goes deep into circumferential air duct 601 to avoid air leakage, which can not only improve the efficiency of wind energy use, but also avoid the abnormal sound produced by air leakage.

[0063] The front boss 630 is provided with a plurality of mounting holes, and the corresponding rear end surface of the sealing plate 520 is provided with a plurality of screw posts, which are connected to the screw posts on the sealing plate 520 by screws passing through the mounting holes on the front boss 630, thereby stably fixing the ventilation tail frame 600.

[0064] like Figure 2 , Figure 3 , Figure 7 , Figure 8 As shown, a main circuit board 700 is arranged at the rear side of the ventilation tail frame 600, and various circuit functions are realized through the main circuit board 700. Correspondingly, small holes for cables to pass through are arranged on the ventilation tail frame 600 and the sealing frame 500 to facilitate circuit connection. A back cover 800 is arranged at the rear end of the main circuit board 700, and the back cover 800 is connected to the rearmost end of the hair dryer head shell 110 and blocks the installation inner cavity 111.

[0065] like Figure 2 , Figure 3 , Figure 7 , Figure 8As shown, further, the far infrared ray generator 300 in this embodiment specifically includes: a lamp board 310, a far infrared lamp bead 320 and an optical mask 330. The lamp board 310 is arranged in the inner cavity of the supporting inner cylinder 230, the far infrared lamp bead 320 is arranged on the lamp board 310 and protrudes forward, the optical mask 330 covers the outer side of the far infrared lamp bead 320, and penetrates the central axis of the focusing cover body 200, and the optical mask 330 is used to focus the transmitted far infrared rays. In the specific structure, mounting holes are provided at the edges of the lamp board 310 and the optical mask 330, a fixed sleeve 233 is provided at the rear end of the focusing cup part 210 and in the inner cavity of the supporting inner cylinder 230, a through hole penetrating the focusing cup part 210 is provided in the middle of the fixed sleeve 233, and studs are provided on the outer side of the fixed sleeve 233, which are connected to the studs on the edge of the fixed sleeve 233 by screws passing through the mounting holes on the lamp board 310 and the mounting holes of the optical mask 330, thereby realizing stable fixation of the far-infrared generator 300 and the focusing cover body 200, and the optical mask 330 in the installed far-infrared generator 300 protrudes forward through the through hole of the focusing cup part 210.

[0066] like Figure 2 , Figure 3 , Figure 6 , Figure 7 , Figure 8 As shown, in order to facilitate the directional installation of the lamp board 310, a guide notch 311 is further provided on the edge of the lamp board 310, and a support connecting rib 232 is protruded on the inner wall of the support inner cylinder 230, and a threaded hole for connecting the sealing plate 520 is provided at the rear end of the support connecting rib 232. When installing the far-infrared generator 300, the guide notch 311 cooperates with the support connecting rib 232, so that the lamp board 310 will not rotate when entering the support inner cylinder 230, and the installation hole on the lamp board 310 is accurately aligned with the stud on the outside of the fixing sleeve 233, so that the screws can be screwed on conveniently.

[0067] like Figure 3 , Figure 8 As shown, further, the optical mask 330 in this embodiment has a lens arc surface 331 convex toward the light outlet, and the lens arc surface 331 matches with the focusing arc surface 211 to focus the far infrared rays.

[0068] like Figure 1 , Fig. 9As shown, further, the radial width k of the air outlet 201 in this embodiment accounts for 8%-20% of the radius r of the light outlet. Since the air outlet 201 in this embodiment is arranged at the edge of the hair-drying head shell 110, both the effect of wind outlet and the effect of far-infrared irradiation must be considered. In the case of three air outlets 201 arranged in a surrounding manner, the opening size of the width of the air outlet 201 directly affects the effect of wind outlet and the effect of far-infrared irradiation. After research, when the radial width of the air outlet 201 accounts for 8%-20% of the radius of the light outlet, while meeting the blowing volume, the far-infrared rays can also be effectively gathered through the focusing cover body 200, thereby achieving a better physical therapy effect. For example, the radial width of the air outlet 201 used in this embodiment accounts for 10.6% of the radius of the light outlet. The far-infrared effect can be optimized during the blowing process.

[0069] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A far-infrared hair dryer, characterized in that: include: A blowing shell, wherein a mounting inner cavity is provided in the blowing shell; a far infrared ray generator, which is disposed in the installation inner cavity and is used to emit far infrared rays toward the air outlet side of the blowing housing; A focusing cover body, which is arranged in the installation inner cavity and is provided with a focusing arc surface, and the focusing arc surface forms a light outlet toward the air outlet side; The far infrared ray generator is installed on the focusing cover body, and the far infrared ray emitted is gathered through the focusing arc surface and emitted from the light outlet; The focusing cover body comprises: a focusing cup part, the focusing arc surface is arranged in the focusing cup part, and the light outlet is located at the air outlet side of the focusing cup part; An outer frame, the outer frame is arranged outside the focusing cup portion and forms an air outlet between the outer frame and the focusing cup portion; The focusing cover body is connected to the blowing housing through the outer frame; The outer frame comprises: an outer ring, wherein the air outlet is formed between the outer ring and the outer wall of the focusing cup portion; An inner extension plate, the inner extension plate is extended toward a side away from the air outlet and toward a direction away from the central axis of the focusing cover body; A hook, the hook being arranged on the side wall of the inner extension plate facing the air outlet and being used for being clamped in a clamping groove on the inner wall of the blowing housing; The inner wall surface of the inner extension plate is a first arc surface, and the outer wall surface of the focusing cup portion is a second arc surface. The radius of the first arc surface is smaller than the radius of the second arc surface, so that the inclination of the first arc surface is smaller than the inclination of the second arc surface.

2. The far-infrared hair dryer according to claim 1, characterized in that: A clamping cavity is formed between the inner extension plate and the focusing cup portion, and the clamping cavity is used to accommodate an air guide member, and the air guide member is used to guide the airflow in the blowing housing to the air outlet. A lower retaining groove is provided on the side wall of the focusing cup portion, and the lower retaining groove is used for arranging the air guide member.

3. The far-infrared hair dryer according to claim 2, characterized in that: The wind guide member comprises: an inner wind guide ring, which is sleeved on the outer side of the far infrared generator and extends along the first direction; An air guide outer ring, which is sleeved on the outer side of the air guide inner ring and extends along a first direction; A plurality of middle support plates are arranged at intervals between the inner air guide ring and the outer air guide ring to form a plurality of first air guide channels, and one end of the plurality of first air guide channels is connected to the air outlet.

4. The far-infrared hair dryer according to claim 3, characterized in that: A sealing frame is connected to a side of the air guide member facing away from the air outlet, and the sealing frame is used to seal the inner cavity of the air guide inner ring.

5. The far-infrared hair dryer according to claim 3, characterized in that: The hair dryer housing comprises a hair dryer head housing and a hair dryer handle housing, and an air inlet channel is arranged in the hair dryer handle housing along the second direction; A ventilation tail frame is arranged in the blowing head shell, and a circumferential air duct is arranged on the ventilation tail frame. The circumferential air duct is connected with a plurality of the first air guide channels and the air inlet channels.

6. The far-infrared hair dryer according to any one of claims 1 to 5, characterized in that: The far infrared generator includes: a light board; Far-infrared lamp beads, the far-infrared lamp beads are arranged on the lamp board; An optical mask is provided to cover the outer side of the far-infrared lamp bead and penetrate the central axis of the focusing cover body. The optical mask is used to focus the transmitted far-infrared rays.

7. The far-infrared hair dryer according to claim 6, characterized in that: The optical cover has a lens arc surface that is convex toward the light outlet, and the focusing arc surface is concave relative to the light outlet; The lens arc surface matches the focusing arc surface to focus the far infrared rays.

8. The far-infrared hair dryer according to claim 1, characterized in that: The radial width of the air outlet accounts for 8%-20% of the radius of the light outlet.

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