Hair drying device

Abstract

The utility model relates to a hair drying device, and the device comprises an air nozzle which comprises a first electric connecting piece and a connector piece with an annular end part; the machine body comprises a second electric connecting piece, the air nozzle is detachably installed on the machine body, the machine body is provided with an air outlet, and the hair drying device has the installation state that the air nozzle is installed on the machine body; the machine body is provided with an accessory installation groove which is formed in the outer side of the air outlet and is concave inwards, the second electric connecting piece is installed at the groove bottom of the accessory installation groove in an exposed mode, in the installation state, the end of the connector piece is inserted into the accessory installation groove, air flow exhausted by the air outlet flows into the air nozzle through the connector piece, and the air nozzle is connected with the second electric connecting piece. And the first electric connecting piece is in contact conduction with the second electric connecting piece. According to the hair drying device, different nursing or shaping functions can be achieved by replacing the air nozzle, and when the air nozzle is not installed on the machine body, the electric connection structure on the machine body is not prone to being touched by mistake to be damaged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household appliances, in particular to a hair drying device. BACKGROUND

[0002] A hair dryer is a common household appliance. Some hair dryers on the market are provided with multiple replaceable nozzles that can be installed on the body of the hair dryer. The hair dryer can dry hair and style hair at the same time. For example, a nozzle with a negative ion function can make the air flow carry negative ions, which is beneficial to keeping hair shiny and moist. A nozzle with an essential oil component can make the air flow carry atomized essential oil, which can make hair more moisturized and fragrant. When installing such nozzles on the body, an electrical connection between the body and the nozzle needs to be achieved to control the nozzle through the control panel in the body to achieve its corresponding function. In some related art hair dryers, the electrical connection structure on the body for electrical connection with the nozzle is easily damaged by accidental touch when the nozzle is not installed on the body. CONTENT OF THE UTILITY MODEL

[0003] Therefore, it is necessary to provide a hair drying device that can have different care or styling functions by replacing nozzles, and the electrical connection structure on the body is not easily damaged by accidental touch when the nozzle is not installed on the body.

[0004] A hair drying device, comprising:

[0005] a nozzle comprising a first electrical connection member and a joint member with an annular end; and

[0006] a body comprising a second electrical connection member, the nozzle being detachably installed on the body, the body having an air outlet, the hair drying device having an installed state in which the nozzle is installed on the body;

[0007] the body has an attachment installation groove arranged outside the air outlet and recessed inward, the second electrical connection member being exposedly installed on the groove bottom of the attachment installation groove, in the installed state, the end of the joint member being inserted into the attachment installation groove, the air flow discharged from the air outlet flowing into the nozzle through the joint member, and the first electrical connection member being in contact and conduction with the second electrical connection member.

[0008] In some embodiments, the first electrical connection member comprises a spring needle, and the second electrical connection member comprises a conductive sheet arranged in the attachment installation groove and used for elastically abutting against the spring needle.

[0009] In some embodiments, the body comprises a bracket, a control board and a motor, the motor and the control board are both installed in the bracket, the second electrical connector comprises a wire connecting segment electrically connected with the control board, and a fixing sheet connected between the wire connecting segment and the conductive sheet, the conductive sheet is bent relative to the fixing sheet, and the conductive sheet is inserted into the bracket, and the fixing sheet is fixed to the bracket.

[0010] In some embodiments, the conductive sheet, the wire connecting segment and the fixing sheet are integrally formed by a conductive metal material.

[0011] In some embodiments, the conductive sheet comprises a contact portion connected with the fixing sheet, and a protruding portion protruding outward from one end of the contact portion away from the fixing sheet, the contact portion is used for elastically abutting with the elastic needle;

[0012] An inner recessed accommodating groove is arranged on the outer side wall of the bracket, a part of the groove bottom wall of the accessory mounting groove is recessed to form a limiting groove in communication with one end of the accommodating groove, and an insertion groove is further arranged on the bracket and located in the inner side of the limiting groove and in communication therewith;

[0013] The wire connecting segment and the fixing sheet are accommodated in the accommodating groove, the contact portion is located in the limiting groove, and the protruding portion is inserted into the insertion groove.

[0014] In some embodiments, the fixing sheet is fixed in the accommodating groove by a threaded fastener.

[0015] In some embodiments, the surface of the threaded fastener is coated with an insulating layer.

[0016] In some embodiments, the width of the limiting groove is less than 5 mm; and / or,

[0017] The depth of the accessory mounting groove is greater than 5 mm.

[0018] In some embodiments, the body comprises a control board, a motor, a heating wire, a bracket and a hollow protective cover, the protective cover, the motor and the control board are all installed in the bracket, the heating wire is located on the side of the motor away from the air inlet of the body, the protective cover is located on the side of the heating wire away from the motor, and the annular accessory mounting groove is formed between the outer wall of the protective cover and the inner wall of the bracket.

[0019] In some embodiments, the elastic needle is exposed outside the joint member.

[0020] In some embodiments, the adapter piece includes an adapter side plate and an adapter end plate connected to an end of the adapter side plate away from the body, and an end of the adapter side plate away from the adapter end plate is inserted into the accessory mounting slot for the airflow in the body to flow in.

[0021] In some embodiments, the adapter piece includes a guard plate outwardly protruding from the adapter side plate, and the guard plate is located outside the needle.

[0022] In some embodiments, the guard plate and the adapter side plate are connected by a boss protruding from an end of the adapter side plate, and the boss has a guide wall for cooperating with a guide slope on a bottom wall of the accessory mounting slot.

[0023] In some embodiments, the needle includes a needle body, a needle seat, an elastic element in the needle seat, and a contact ball, the elastic element and the contact ball are both built-in the needle seat, a part of the needle body is inserted into the needle seat and a part of the needle body is extended out of the needle seat, the contact ball is located between the needle body and the elastic element in the needle seat, and the elastic element is used to apply an elastic force to the needle body through the contact ball towards the conductive sheet.

[0024] In some embodiments, the air nozzle includes a functional component, the needle seat and the functional component are electrically connected, the needle body is in clearance fit with the needle seat and the two are electrically connected, and an end surface of the needle body close to the contact ball is beveled.

[0025] In some embodiments, the air nozzle has a clamping slot with an open end, the body has a clamping block, when the body and the air nozzle are in position alignment, the clamping block can enter the clamping slot, when the body and the air nozzle in position alignment are relatively rotated and relatively moved along the body in axial direction, the clamping block is clamped into the clamping slot.

[0026] In some embodiments, the body includes a locking piece and a locking elastic element connected to each other, when the clamping block is clamped into the clamping slot, the locking elastic element is used to apply an elastic force to the locking piece towards the air nozzle, so that the locking piece is inserted into the clamping slot to prevent the clamping block from exiting the clamping slot.

[0027] In some embodiments, the locking piece includes a locking portion, a transmission portion, and a push button, the locking portion and the push button are both fixed to the transmission portion, and the locking portion and the locking elastic element are respectively located at two ends of the transmission portion, the locking elastic element is used to push the locking portion towards the air nozzle through the transmission portion, and the push button is configured to be operably moved to push the locking portion away from the air nozzle through the transmission portion.

[0028] In some embodiments, the tuyere comprises a functional assembly, the first electrical connector comprises a contact sheet electrically connected to the needle, and the functional assembly comprises a circuit board and a pin, one end of the pin being electrically connected to the circuit board and the other end being electrically connected to the contact sheet.

[0029] In some embodiments, the tuyere comprises an air outlet sleeve, the functional assembly is installed in the air outlet sleeve, the contact sheet comprises a fixed part and a connecting part which are connected to each other and are oppositely bent, the connecting part is inserted into the air outlet sleeve, the fixed part is fixed to the air outlet sleeve, and the end of the pin away from the circuit board elastically abuts against the connecting part.

[0030] In some embodiments, the functional assembly has a pin cavity for accommodating the pin, the air outlet sleeve is provided with a contact sheet slot and a pin hole, the pin hole is communicated with the contact sheet slot and the pin cavity, the connecting part is inserted into the contact sheet slot, and the pin passes through the pin hole and elastically abuts against the connecting part.

[0031] In some embodiments, the tuyere comprises:

[0032] a housing assembly;

[0033] an air outlet sleeve connected to the housing assembly, the air outlet sleeve being hollow inside, and the housing assembly and the inside of the air outlet sleeve jointly forming an installation cavity;

[0034] a functional assembly; and

[0035] an installation structure comprising a fixing member and a fixing slot, one of the fixing member and the fixing slot being arranged on the functional assembly and the other being arranged in the installation cavity, the functional assembly being configured to enter the installation cavity along the air outlet sleeve in an axial direction, so that the fixing member elastically retracts in a radial direction along the air outlet sleeve until the fixing member is clamped into the fixing slot.

[0036] In some embodiments, the installation structure comprises an installation elastic member, the functional assembly is provided with the concave fixing slot on an outer side wall thereof, the air outlet sleeve has an installation hole communicated with the installation cavity, and the installation elastic member abuts against the air outlet sleeve at one end and abuts against the fixing member at the other end, so that the fixing member extends into the installation cavity after passing through the installation hole.

[0037] In some embodiments, the installation cavity comprises a first space and a second space arranged axially along the air outlet sleeve and in communication, the first space has a larger radial dimension than the second space to form a stepped surface therebetween, the functional assembly comprises a first part and a second part, the first part has a larger radial dimension than the second part, the functional assembly is configured to enter the installation cavity axially along the air outlet sleeve, so that the second part extends into the second space, and the first part extends into the first space, until the end surface of the first part abuts against the stepped surface, and the fixing member is clamped into the fixing groove.

[0038] In some embodiments, the shell assembly comprises an accessory shell and a rear cover connected together, the air outlet sleeve and the rear cover extend into the accessory shell and are arranged axially along the air outlet sleeve, one end of the air outlet sleeve is connected to the accessory shell, and the other end is connected to the rear cover, a part of the air outlet sleeve and the inner side of the rear cover together enclose the second space, and a part of the air outlet sleeve encloses the first space on the inner side.

[0039] In some embodiments, the rear cover comprises a rear cover end plate and a rear cover side plate protruding outward from one end of the rear cover end plate, the rear cover end plate is clamped to the accessory shell, one end of the air outlet sleeve abuts against the rear cover side plate, and the other end abuts against the accessory shell, a part of the air outlet sleeve and the inner side of the rear cover side plate together enclose the second space.

[0040] In some embodiments, an annular outer air duct is formed between the air outlet sleeve, the rear cover and the accessory shell, the air outlet sleeve has an airflow hole in communication with the first space and the outer air duct, airflow flowing into the outer air duct through the machine body can enter the first space through the airflow hole and be discharged after flowing through the functional assembly.

[0041] In some embodiments, the functional assembly is an essential oil atomization assembly, the essential oil atomization assembly comprises an essential oil bottle for storing essential oil, and further comprises a tungsten wire heating member, a flow guide rod and a circuit board, the tungsten wire heating member is electrically connected to the circuit board, the flow guide rod extends into the essential oil bottle, and the tungsten wire heating member is connected to the flow guide rod, essential oil in the essential oil bottle can be guided to the tungsten wire heating member through the flow guide rod and be heated and atomized by the tungsten wire heating member.

[0042] In some embodiments, the machine body comprises a control board, and the machine body is provided with a first circuit module electrically connected to the control board, the air nozzle is provided with a second circuit module, the first circuit module can form a path alone, and the first circuit module can form a path together with the second circuit module, and the control board can detect the path to determine the installation state and / or type of the air nozzle.

[0043] In some embodiments, the control board is capable of switching the hair drying device to a corresponding working mode based on the installation state and type of the air nozzle.

[0044] In some embodiments, the control board determines the installation state and type of the air nozzle by detecting the voltage of the passage.

[0045] In some embodiments, after determining that the air nozzle is in the installation state, the control board controls the first circuit module to supply power to the electrical components in the air nozzle.

[0046] In some embodiments, the first circuit module is connected with a first NTC temperature detector, and the second circuit module is connected with a second NTC temperature detector.

[0047] When the control board determines that the air nozzle is in the non-installation state, the control board reads the detection value of the first NTC temperature detector.

[0048] When the control board determines that the air nozzle is in the installation state, the control board reads the detection value of the second NTC temperature detector.

[0049] In some embodiments, in the installation state, the first electrical connector and the second electrical connector are in contact and conductive to each other, so that the first circuit module and the second circuit module jointly form the passage.

[0050] In the above hair drying device, the air nozzle is detachably connected to the machine body, so that the hair drying device can have different care or styling functions by detaching and attaching different air nozzles. In the installation state, the end of the connector extends into the accessory mounting groove, and the first electrical connector and the second electrical connector are in contact and conductive to each other, so as to realize the electrical connection between the air nozzle and the machine body. Since the second electrical connector is exposedly mounted in the inner recessed accessory mounting groove, the accessory mounting groove can protect the second electrical connector from being touched by the user, so as not to be damaged due to accidental touch. BRIEF DESCRIPTION OF DRAWINGS

[0051] Figure 1 FIG. 1 is a schematic view of a hair drying device according to an embodiment of the present application.

[0052] Figure 2 FIG. 4 is a schematic view of the electrical connection between the first electrical connector and the second electrical connector according to an embodiment of the present application.

[0053] Figure 3 FIG. 6 is a sectional view of the machine body according to an embodiment of the present application.

[0054] Figure 4 FIG. 7 is a schematic view of the air outlet end of the machine body according to an embodiment of the present application.

[0055] Figure 5Figure 8 is a schematic view of the second electrical connector mounted on the bracket in an embodiment of the present application.

[0056] Figure 6 Figure 9 is a schematic view of the second electrical connector in an embodiment of the present application. Figure 5 Figure 10 is an enlarged view of the second electrical connector.

[0057] Figure 7 Figure 11 is a schematic view of the second electrical connector in an embodiment of the present application.

[0058] Figure 8 Figure 12 is a schematic view of the air nozzle in an embodiment of the present application.

[0059] Figure 9 Figure 13 is a schematic view of the joint in an embodiment of the present application.

[0060] Figure 10 Figure 14 is a schematic view of the joint in an embodiment of the present application. Figure 8 Figure 15 is a partial schematic view of the bullet penetrating the joint.

[0061] Figure 11 Figure 16 is a sectional view of the bracket, protective cover and other components in an embodiment of the present application.

[0062] Figure 12 Figure 17 is a schematic view of the first electrical connector in an embodiment of the present application.

[0063] Figure 13 Figure 18 is a sectional view of the bullet in an embodiment of the present application.

[0064] Figure 14 Figure 19 is a schematic view of the detachable connection structure between the machine body and the air nozzle in an embodiment of the present application.

[0065] Figure 15 Figure 20 is a sectional view of the detachable connection structure between the machine body and the air nozzle in an embodiment of the present application.

[0066] Figure 16 Figure 21 is a sectional view of the air outlet sleeve, contact sheet, essential oil bottle, pin and circuit board and other components in an embodiment of the present application.

[0067] Figure 17 Figure 22 is a schematic view of the air outlet sleeve in an embodiment of the present application.

[0068] Figure 18 Figure 23 is a schematic view of the air flow hole and mounting hole on the air outlet sleeve in an embodiment of the present application.

[0069] Figure 19 Figure 24 is a sectional view of the air outlet sleeve in an embodiment of the present application.

[0070] Figure 20 Figure 25 is a sectional view of the air nozzle in an embodiment of the present application.

[0071] Figure 21Figure 6 is a sectional view of the air nozzle without the functional component installed in an embodiment of the present application.

[0072] Figure 22 Figure 7 is a schematic view of the accessory shell in an embodiment of the present application.

[0073] Figure 23 Figure 8 is a schematic view of the functional component (the functional component is an essential oil atomization component) in an embodiment of the present application.

[0074] Figure 24 Figure 9 is a control schematic diagram of the hair drying device in an embodiment of the present application. Figure 23 Figure 10 is a sectional view of the functional component.

[0075] Figure 25 Figure 11 is a control schematic diagram of the hair drying device in an embodiment of the present application.

[0076] Reference signs:

[0077] 10, air nozzle; 101, installation cavity; 1011, first space; 1012, second space; 102, outer air duct; 20, machine body;

[0078] 100, accessory shell; 110, first shell part; 111, support frame; 120, second shell part; 121, guide rib;

[0079] 200, rear cover; 210, rear cover end plate; 211, hollow hole; 220, rear cover side plate;

[0080] 300, air outlet sleeve; 310, sleeve main body; 311, contact sheet insertion slot; 312, insertion pin hole; 313, installation hole; 314, second guide groove; 315, step surface; 316, opening section; 317, flat section; 320, fixing seat; 321, first guide groove; 330, fixing member; 340, installation elastic member; 350, flow-through member; 351, air flow hole; 352, notch;

[0081] 400, joint member; 410, joint side plate; 411, flow-through hole; 412, clamping groove; 413, concave area; 420, joint end plate; 430, guard plate; 440, boss; 441, guide wall;

[0082] 500, functional component; 501, first part; 502, second part; 510, essential oil bottle; 511, insertion pin cavity; 512, guide plate; 513, recessed part; 514, partial protrusion; 520, tungsten wire heating member; 530, flow guide rod; 540, circuit board; 541, lamp bead; 550, oil absorption cotton; 560, lamp shade; 570, dispersion mesh cover; 571, fixing groove; 580, insertion pin;

[0083] 600, first electrical connector; 610, spring needle; 611, needle body; 612, needle seat; 613, seat elastic member; 614, contact ball; 620, base plate; 630, lead wire; 640, contact sheet; 641, fixed portion; 642, connecting portion;

[0084] 700, second electrical connector; 710, conductive sheet; 711, contact portion; 712, protruding portion; 720, lead wire connecting section; 730, fixed sheet;

[0085] 810, machine body shell; 811, air inlet; 812, air outlet end;

[0086] 820, bracket; 821, accessory mounting slot; 8211, guide inclined surface; 822, accommodating slot; 823, limiting slot; 824, insertion slot; 825, clamping block;

[0087] 831, power cord; 832, control panel; 833, motor; 834, heating wire; 835, protective cover;

[0088] 841, locking member; 8411, locking portion; 8412, transmission portion; 8413, push button; 842, locking elastic member;

[0089] 851, switch key; 852, speed regulating key; 853, cold air switching key. DETAILED DESCRIPTION

[0090] In order to make the above objectives, features and advantages of the present application more apparent, a detailed description of the specific embodiments of the present application will be given below with reference to the accompanying drawings. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many different ways other than those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0091] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0092] In addition, the terms "first", "second", and the like, if any, are used herein for descriptive purposes only and should not be construed as indicating or implying relative importance or implicating the number of indicated technical features. Thus, a feature defined with "first" or "second" can include at least one of the features explicitly or implicitly. In the description of the present application, the term "plurality" means at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0093] In the present application, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connecting", "fixing" and the like appear, these terms should be interpreted broadly. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0094] In the present application, unless otherwise explicitly specified and limited, if the first feature is described as "on" or "under" the second feature, etc., it can mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be the first feature directly above or obliquely above the second feature, or it can only mean that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" and "below" the second feature can be the first feature directly below or obliquely below the second feature, or it can only mean that the first feature is lower than the second feature in horizontal height.

[0095] It should be noted that if an element is referred to as "fixed to" or "disposed on" another element, it can be directly on another element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are only for illustrative purposes and do not represent the only implementation.

[0096] Reference Figures 1 to 4The hair drying device provided by an embodiment of the present application comprises a nozzle 10 and a body 20. The nozzle 10 comprises a first electrical connector 600. The body 20 comprises a control panel 832, an electric motor 833 electrically connected to the control panel 832, and a second electrical connector 700. The nozzle 10 is detachably mounted on the body 20. The body 20 has an air inlet 811. When the hair drying device is in a mounted state in which the nozzle 10 is mounted on the body 20, the electric motor 833 is configured to provide high-speed air. External air flows into the body 20 through the air inlet 811, is accelerated by the electric motor 833, and is discharged after flowing through the nozzle 10. An air outlet end 812 of the body 20 has an inwardly recessed accessory mounting groove 821. The second electrical connector 700 is located in the accessory mounting groove 821. In the mounted state, the nozzle 10 extends into the accessory mounting groove 821, and the first electrical connector 600 is in contact with the second electrical connector 700 to realize electrical connection between the nozzle 10 and the body 20.

[0097] The hair drying device described above. The nozzle 10 is detachably mounted on the body 20. Therefore, different nozzles 10 can be mounted or detached to make the hair drying device have different care or styling functions. In the mounted state, the nozzle 10 extends into the accessory mounting groove 821, and the first electrical connector 600 is in contact with the second electrical connector 700 to realize electrical connection between the nozzle 10 and the body 20. Since the second electrical connector 700 is located in the inwardly recessed accessory mounting groove 821, the accessory mounting groove 821 can protect the second electrical connector 700 from being touched by a user, so that the second electrical connector 700 is not easily damaged due to accidental touch.

[0098] Specifically, the air outlet of the body 20 is located at the air outlet end 812 thereof, and the air inlet 811 is arranged on an outer side wall of the body 20 at an end away from the air outlet end 812. In the view of the accompanying drawings, the air outlet end 812 of the body 20 is the top end thereof, and the nozzle 10 is connected to the top end of the body 20. The axial direction of the body 20 is perpendicular to the axial direction of the nozzle 10, and the radial direction of the nozzle 10 is parallel to the axial direction of the body 20. The air inlet 811 is located in the bottom end region of the outer side wall of the body 20. After air flows into the body 20 through the air inlet 811, the air flows upward through the electric motor 833, flows into the nozzle 10 from the top end of the body 20, and is discharged after being turned by 90 degrees in the nozzle 10.

[0099] Referring to Figures 2 to 5 , and Figure 13 In some embodiments, the first electrical connector 600 comprises a spring needle 610, the second electrical connector 700 comprises a conductive sheet 710 located in the accessory mounting groove 821 and configured to elastically abut against the spring needle 610, and the conductive sheet 710 is electrically connected to the control panel 832.

[0100] In the view of the accompanying drawings, the accessory mounting groove 821 is formed by being recessed downward from the top end of the body 20, and the nozzle 10 extends downward into the accessory mounting groove 821. The needle body 611 of the spring needle 610 is retractable upward and downward to elastically abut against the conductive sheet 710 to realize electrical connection between the body 20 and the nozzle 10.

[0101] In the above embodiment, the conductive sheet 710 is located in the accessory mounting groove 821, and thus the conductive sheet 710 can be protected by the accessory mounting groove 821 and is less likely to be damaged by being touched by mistake.

[0102] In other embodiments, the types of the first electrical connector 600 and the second electrical connector 700 can be interchanged, that is, the second electrical connector 700 includes the spring needle 610, and the first electrical connector 600 includes the conductive sheet 710. In this case, the spring needle 610 is located in the accessory mounting groove 821. In the mounted state, the conductive sheet 710 extends into the accessory mounting groove 821 and is in contact with the spring needle 610 located in the accessory mounting groove 821.

[0103] In the embodiment shown in the drawings, the first electrical connector 600 and the second electrical connector 700 are provided in two sets in a matched manner, and each set has the same structure.

[0104] Referring to Figures 3 to 7 In some embodiments, the body 20 includes a bracket 820, and the motor 833 and the control board 832 are both mounted in the bracket 820. The second electrical connector 700 includes a wire connecting section 720 electrically connected to the control board 832 and a fixing sheet 730 connected between the wire connecting section 720 and the conductive sheet 710. The conductive sheet 710 is bent relative to the fixing sheet 730, and the conductive sheet 710 is inserted into the bracket 820, and the fixing sheet 730 is fixed to the bracket 820. In some embodiments, the conductive sheet 710, the wire connecting section 720, and the wire connecting section 720 are integrally formed by using a conductive metal material, so as to reduce the assembly cost.

[0105] Referring to Figure 1 In detail, the body 20 includes a body shell 810 in the shape of a hollow cylinder, and the air inlet 811 is arranged at the bottom end region of the outer sidewall of the body shell 810 in the view of the drawings. The bracket 820 is in the shape of a hollow cylinder as a whole and is mounted in the body shell 810. The region of the bracket 820 corresponding to the air inlet 811 is partially hollowed out, so that the airflow flowing into the air inlet 811 can flow through the hollowed-out region to the inside of the bracket 820 and flow through the motor 833.

[0106] More specifically, the fixing sheet 730 extends along the axial direction of the body 20, and the conductive sheet 710 extends along the radial direction of the body 20. Both of them are in the shape of “L”. The conductive sheet 710 is inserted into the bracket 820, and the fixing sheet 730 is fixed to the bracket 820. Thus, the accuracy of the fixed position of the fixing sheet 730 can be improved by the insertion fit, and thus the accuracy of the mounted position of the conductive sheet 710 can be improved.

[0107] Referring to Figures 4 to 7In some embodiments, the conductive sheet 710 includes a contact portion 711 connected to the fixing sheet 730, and a protruding portion 712 protruding from one end of the contact portion 711 away from the fixing sheet 730, the contact portion 711 being configured to elastically abut against the spring needle 610. The outer sidewall of the bracket 820 is provided with an inner recessed accommodating groove 822, and a portion of the groove bottom wall of the accessory mounting groove 821 is recessed to form a limiting groove 823 in communication with one end of the accommodating groove 822, and the bracket 820 is further provided with an insertion groove 824 located inside and in communication with the limiting groove 823. The conductive sheet 710 is accommodated in the accommodating groove 822, the contact portion 711 is located in the limiting groove 823, and the protruding portion 712 is inserted into the insertion groove 824.

[0108] As viewed from the perspective of the drawing, the limiting groove 823 and the insertion groove 824 both extend in the radial direction of the body 20, the top end of the accommodating groove 822 is in communication with the outside of the limiting groove 823, the outside of the insertion groove 824 is in communication with the inside of the limiting groove 823, and the width of the protruding portion 712 is smaller than the width of the contact portion 711. By placing the contact portion 711 in the limiting groove 823 and inserting the protruding portion 712 into the insertion groove 824, the freedom of the conductive sheet 710 in various directions can be well limited, and the stability of the installation position of the conductive sheet 710 can be ensured.

[0109] In some embodiments, the fixing sheet 730 is fixed in the accommodating groove 822 by a threaded fastener. Preferably, the surface of the threaded fastener is coated with an insulating layer.

[0110] Specifically, the threaded fastener is a screw. The fixing sheet 730 is provided with a through hole for the screw to pass through, and the sidewall of the accommodating groove 822 is provided with a screw hole at a corresponding position, and the screw is threadedly connected to the screw hole after passing through the through hole. Since the screw is usually a metal part, in order to inhibit the contact between the screw and the fixing sheet 730 made of metal and accelerate the current corrosion of the fixing sheet 730, the screw can be specially treated, for example, an insulating layer is coated on the surface of the screw.

[0111] In some embodiments, the width of the limiting groove 823 is less than 5 mm; and / or, the depth of the accessory mounting groove 821 is greater than 5 mm.

[0112] By limiting the depth of the accessory mounting groove 821 and the width of the limiting groove 823, the contact portion 711 of the conductive sheet 710 can be placed in a narrower and deeper position, and the probability of accidental touch by the user can be further reduced.

[0113] Referring to Figures 3 to 5In some embodiments, the body 20 comprises a heating wire 834, a bracket 820, and a hollow protective cover 835, the protective cover 835, the motor 833, and the control panel 832 are all installed in the bracket 820, and the heating wire 834 is located on the side of the motor 833 away from the air inlet 811, the protective cover 835 is located on the side of the heating wire 834 away from the motor 833, and an annular accessory mounting groove 821 is formed between the outer wall of the protective cover 835 and the inner wall of the bracket 820.

[0114] From the perspective of the drawing, the air inlet 811, the control panel 832, the motor 833, the heating wire 834, and the protective cover 835 are arranged in order from bottom to top, the heating wire 834 and the control panel 832 are electrically connected, and the control panel 832 can control the heating wire 834 to heat the airflow. The protective cover 835 can isolate and protect the heating wire 834 to prevent the user's hands from being scalded by contacting the heating wire 834, and can also block foreign matter from the outside to prevent it from entering the heating wire 834 and causing failure. Since the protective cover 835 is hollow, it will not hinder the outflow of the airflow, and the hollow end of the protective cover 835 forms the air outlet of the body 20. The airflow can flow in through the air inlet 811, and then flow through the control panel 832, the motor 833, the heating wire 834, and the protective cover 835 before flowing into the air nozzle 10.

[0115] Meanwhile, referring to Figure 1 The power cord 831 is also connected to the bottom end of the bracket 820, one end of the power cord 831 is electrically connected to the control panel 832, and the other end is used to be electrically connected to the external power source. According to the above arrangement, the control panel 832 and the heating wire 834 are separated by the motor 833, and the distance is far apart, which can minimize the influence of the high temperature at the heating wire 834 on the working performance of the control panel 832.

[0116] In other embodiments, the power cord 831 can be removed and a battery can be provided for power supply. Alternatively, the power cord 831 and the battery can coexist, and the power cord 831 can be used for direct power supply or charging of the battery.

[0117] Preferably, a filter screen is provided between the air inlet 811 and the control panel 832 to filter the incoming airflow and prevent dust from contaminating the electrical components.

[0118] Referring to Figure 4 , and Figures 8 to 10 In some embodiments, the air nozzle 10 comprises a joint piece 400, the end of the joint piece 400 is annular and inserted into the accessory mounting groove 821, the spring needle 610 is exposed outside the joint piece 400, and the airflow in the body 20 flows into the air nozzle 10 through the joint piece 400.

[0119] In some embodiments, the joint piece 400 comprises a joint side plate 410, and a joint end plate 420 connected to the joint side plate 410 at an end thereof away from the body 20, and the end of the joint side plate 410 away from the joint end plate 420 is inserted into the accessory mounting slot 821 for the airflow in the body 20 to flow in.

[0120] Specifically, the spring needle 610 is exposed out of the joint side plate 410, and when the joint side plate 410 is inserted into the accessory mounting slot 821 with the end thereof away from the joint end plate 420, the spring needle 610 exposed out of the joint side plate 410 is in contact with the conductive sheet 710 in the accessory mounting slot 821. In this way, not only the electrical connection between the tuyere 10 and the body 20 can be achieved, but also the joint side plate 410 and the slot wall of the accessory mounting slot 821 can have good sealing performance, so that the airflow in the body 20 is less likely to flow out when flowing into the tuyere 10.

[0121] Meanwhile, referring to Figure 21 Further, the joint side plate 410 is substantially annular, and a through flow hole 411 is arranged on the joint side plate 410. After the airflow in the body 20 flows out through the protective cover 835, the airflow flows into the inside of the joint side plate 410, and after colliding with the joint end plate 420, the airflow changes direction and flows from the inside to the outside through the flow hole 411 to the outside of the joint side plate 410, and then continues to flow through other components in the tuyere 10. The specific flow path will be described in the subsequent part.

[0122] Referring to Figures 8 to 10 In some embodiments, the joint piece 400 comprises a guard plate 430 protruding outwardly relative to the joint side plate 410, and the guard plate 430 is located outside the spring needle 610.

[0123] Specifically, the guard plate 430 and the joint side plate 410 are integrally formed as a whole, and are formed by the part of the joint side plate 410 protruding outwardly. In this way, the strength of the guard plate 430 can be increased. By arranging the guard plate 430, the spring needle 610 can be protected during the separate taking and placing of the tuyere 10, so that the spring needle 610 is less likely to be damaged. In addition, the guard plate 430 protrudes outwardly relative to the joint side plate 410, so that the tuyere 10 can be prevented from being installed incorrectly, and the installation is facilitated.

[0124] Referring to Figures 8 to 11 In some embodiments, the guard plate 430 and the joint side plate 410 are connected through a boss 440 protruding from the end of the joint side plate 410, and the boss 440 has a guide wall 441 for cooperating with a guide slope 8211 on the slot bottom wall of the accessory mounting slot 821.

[0125] When the joint piece 400 is inserted into the accessory mounting slot 821, the inclined guide arm can be in contact with the guide slope 8211 to guide the spring needle 610 to accurately reach the position of the contact part 711 of the conductive sheet 710 and be in contact with the contact part 711.

[0126] Referring to Figures 12 to 13 In some embodiments, the needle 610 comprises a needle body 611, a needle seat 612, a seat elastic 613 and a contact ball 614, the seat elastic 613 and the contact ball 614 are both arranged in the needle seat 612, the needle body 611 is partially inserted into the needle seat 612 and partially extends out of the needle seat 612, the contact ball 614 is located between the needle body 611 and the seat elastic 613, and the seat elastic 613 is used to apply an elastic force to the needle body 611 through the contact ball 614 towards the conductive sheet 710.

[0127] Specifically, the seat elastic 613 is in a compressed state and has a tendency to stretch and rebound, and the rebound force will be transmitted to the needle body 611 through the contact ball 614, so that the needle body 611 has a tendency to extend out of the needle seat 612, thereby enabling the needle body 611 to always elastically abut against the conductive sheet 710.

[0128] Referring to Figure 8 , Figure 12 With Figure 13 In some embodiments, the air nozzle 10 comprises a functional assembly 500 for playing a specific function, the needle seat 612 and the functional assembly 500 are electrically connected, the needle body 611 and the needle seat 612 are gap-fitted and electrically connected, and the end face of the needle body 611 close to the contact ball 614 is beveled.

[0129] Specifically, the functional assembly 500 can be an essential oil atomization assembly, a negative ion assembly, or other common assemblies with specific functions. Meanwhile referring to Figure 2 , Figure 3 With Figure 7 As described above, the control panel 832 and the conductive sheet 710 are electrically connected, the conductive sheet 710 and the needle body 611 are electrically connected, the needle body 611 and the needle seat 612 are electrically connected, and the needle seat 612 and the functional assembly 500 are electrically connected, therefore, the control panel 832 can control the functional assembly 500 to work and play the corresponding function.

[0130] Since the needle body 611 and the needle seat 612 are gap-fitted, and the bottom end of the needle body 611 is beveled, when the needle body 611 and the conductive sheet 710 are in contact and are pressed by the conductive sheet 710 to retract towards the needle seat 612, the beveled shape of the bottom end of the needle body 611 will cause the force direction to deflect, thereby tilting relative to the needle seat 612, so that the outer side wall of the needle body 611 and the inner side wall of the needle seat 612 are directly in contact to realize electrical connection. Compared with the mode of sequentially conducting through the contact ball 614 and the seat elastic 613 between the needle body 611 and the needle seat 612, the above-mentioned embodiments can reduce the resistance and the circuit loss is smaller.

[0131] Preferably, the needle body 611 and the needle seat 612 are made of copper, copper-plated or copper-containing metal to improve the electrical conductivity of the two.

[0132] Referring to Figure 4 , Figure 14 and Figure 15 In some embodiments, the tuyere 10 has a one-end-opened clamping groove 412, and the body 20 has a clamping block 825, which can enter the clamping groove 412 when the body 20 and the tuyere 10 are in position alignment. When the body 20 and the tuyere 10 in position alignment are simultaneously relatively rotated and moved axially close to each other, the clamping block 825 is clamped into the clamping groove 412.

[0133] When the body 20 and the tuyere 10 are in position alignment, the clamping block 825 enters the clamping groove 412. Thereafter, only by relatively rotating and moving the body 20 and the tuyere 10, the clamping block 825 can slide into the deep part of the clamping groove 412, so as to realize the clamping of the body 20 and the tuyere 10. Conversely, only by relatively rotating and moving the body 20 and the tuyere 10 in the reverse direction, the clamping block 825 can exit the clamping groove 412, so as to realize the separation of the body 20 and the tuyere 10.

[0134] Specifically, the clamping block 825 protrudes from the inner side wall of the accessory mounting groove 821, and the clamping groove 412 is arranged on the outer side wall of the joint side plate 410 of the joint member 400. The one end of the clamping groove 412, which is away from the joint end plate 420, is open, forming an entrance for the clamping block 825 to enter. When the joint member 400 is inserted into the accessory mounting groove 821 and in position alignment, the clamping block 825 is just located at the entrance of the clamping groove 412.

[0135] Referring to Figure 4 , Figure 14 and Figure 15 In some embodiments, the body 20 comprises a locking member 841 and a locking elastic member 842 connected with each other. When the clamping block 825 is clamped into the clamping groove 412, the locking elastic member 842 is used to apply an elastic force to the locking member 841 towards the tuyere 10, so as to make the locking member 841 inserted into the clamping groove 412, thereby inhibiting the clamping block 825 from exiting the clamping groove 412.

[0136] Through the cooperation of the locking member 841 and the locking elastic member 842, the position of the tuyere 10 and the body 20 can be locked after the clamping block 825 is clamped into the clamping groove 412, so as to prevent the tuyere 10 from being separated from the body 20 due to the reverse relative rotation and movement of the tuyere 10 and the body 20.

[0137] Referring to Figure 4 , Figure 14 and Figure 15In some embodiments, the locking member 841 comprises a locking portion 8411, a transmission portion 8412, and a push button 8413, the locking portion 8411 and the push button 8413 are both fixed to the transmission portion 8412, and the locking portion 8411 and the locking elastic member 842 are respectively located at both ends of the transmission portion 8412, the locking elastic member 842 is used to push the locking portion 8411 to be close to the air nozzle 10 through the transmission portion 8412, and the push button 8413 is configured to be operable to push the locking portion 8411 to be away from the air nozzle 10 through the transmission portion 8412.

[0138] Specifically, the locking elastic member 842 is in a compressed state, one end of which abuts against the bracket 820, and the other end of which abuts against the transmission portion 8412. The transmission portion 8412 is slidingly connected to the bracket 820, and the push button 8413 is exposed outside the machine body shell 810 for a user to push. The locking elastic member 842 can push the transmission portion 8412 through the elastic force of stretching and rebounding, and in turn push the locking portion 8411 to be close to the air nozzle 10, so that the locking portion 8411 is inserted into the entrance of the clamping groove 412 to inhibit the clamping block 825 from exiting the clamping groove 412. A user can push the push button 8413 to push the transmission portion 8412, and in turn push the locking portion 8411 to exit the clamping groove 412, so as to release the position locking of the air nozzle 10 and the machine body 20, and realize the disassembly and replacement of the air nozzle 10.

[0139] In other embodiments, the push button 8413 can be replaced by a button, and a conversion structure capable of converting the movement form can be arranged between the button and the transmission portion 8412, so as to convert the pressing of the button into the movement of the transmission portion 8412.

[0140] Referring to Figure 1 In some embodiments, the machine body shell 810 is further provided with a switch key 851, a speed adjustment key 852, and a cold air switching key 853, and the push button 8413 is located on the side of the three keys away from the air inlet 811. Between the three keys and the air inlet 811 is an area for a user to hold hands, so that the push button 8413 is closer to the air outlet end of the machine body 20, i.e. closer to the air nozzle 10, so that the transmission portion 8412 can be arranged as short as possible. At the same time, the push button 8413 is located on the opposite side of the three keys, so as to avoid the push button 8413 from being mistakenly touched when the three keys are operated, which causes the unstable connection between the machine body 20 and the air nozzle 10.

[0141] Referring to Figure 8 , Figure 12 With Figure 16 In some embodiments, the air nozzle 10 comprises a functional assembly 500 for playing a specific function, the first electric connecting member 600 comprises a contact sheet 640 electrically connected to the bullet 610, the functional assembly 500 comprises a circuit board 540 and a plug pin 580, one end of the plug pin 580 is electrically connected to the circuit board 540, and the other end of the plug pin 580 is electrically connected to the contact sheet 640.

[0142] Specifically, the needle seat 612 of the spring needle 610 is electrically connected with the contact sheet 640. Further, the first electrical connector 600 comprises the substrate 620 and the wire 630, the needle seat 612 and the substrate 620 are welded to achieve electrical connection, and the substrate 620 and the contact sheet 640 are electrically connected through the wire 630.

[0143] Referring to Figure 8 , Figure 12 , Figure 16 and Figure 20 In some embodiments, the air nozzle 10 comprises the air outlet sleeve 300, the functional assembly 500 is installed in the air outlet sleeve 300, the contact sheet 640 comprises a fixed part 641 and a connecting part 642 which are connected with each other and are oppositely bent, the connecting part 642 is inserted into the air outlet sleeve 300, the fixed part 641 is fixed to the air outlet sleeve 300, and the one end of the spring needle 580 away from the circuit board 540 elastically abuts against the connecting part 642.

[0144] Specifically, in the contact sheet 640, the fixed part 641 extends along the axial direction of the air nozzle 10, and the connecting part 642 extends along the radial direction of the air nozzle 10, and the two are in the shape of “L”. The connecting part 642 is inserted into the air outlet sleeve 300, and the fixed part 641 is fixed to the air outlet sleeve 300, so that the accuracy of the fixed position of the fixed part 641 can be improved by the insertion fit, thereby improving the accuracy of the installation position of the contact sheet 640.

[0145] In some embodiments, the fixed part 641 is fixed to the air outlet sleeve 300 by a threaded fastener.

[0146] Referring to Figure 12 , Figure 16 and Figure 17 In some embodiments, the functional assembly 500 has a spring needle cavity 511 for accommodating the spring needle 580, the air outlet sleeve 300 is provided with a contact sheet insertion slot 311 and a spring needle hole 312, the spring needle hole 312 is communicated with the contact sheet insertion slot 311 and the spring needle cavity 511, the connecting part 642 is inserted into the contact sheet insertion slot 311, and the spring needle 580 passes through the spring needle hole 312 and elastically abuts against the connecting part 642.

[0147] Wherein, the specific structure of the spring needle 580 is similar to that of the spring needle 610 in the foregoing embodiments, which will not be described here again.

[0148] Referring to Figure 8 , Figure 17 , Figures 19 to 21 and Figure 23In some embodiments, the tuyere 10 comprises a housing assembly, an air outlet sleeve 300, a functional assembly 500 and a mounting structure. The air outlet sleeve 300 is connected to the housing assembly, and the air outlet sleeve 300 is hollow inside, and the housing assembly and the inner side of the air outlet sleeve 300 jointly form a mounting cavity 101. The mounting structure comprises a fixing piece 330 and a fixing groove 571, one of which is arranged on the functional assembly 500, and the other is arranged in the mounting cavity 101. The functional assembly 500 is configured to enter the mounting cavity 101 along the air outlet sleeve 300 (i.e. the axial direction of the tuyere 10), so that the fixing piece 330 elastically retracts radially along the air outlet sleeve 300 until the fixing piece 330 is clamped into the fixing groove 571.

[0149] The above-mentioned tuyere 10, the housing assembly and the inner side of the air outlet sleeve 300 jointly form a mounting cavity 101, which provides space for the installation of the functional assembly 500. One of the fixing piece 330 and the fixing groove 571 is arranged on the functional assembly 500, and the other is arranged in the mounting cavity 101. When the functional assembly 500 enters the mounting cavity 101 along the air outlet sleeve 300, the fixing piece 330 will be pressed, thereby elastically retracting radially along the air outlet sleeve 300 until the fixing piece 330 reaches the position of the fixing groove 571. Since the fixing groove 571 provides space for the fixing piece 330, the fixing piece 330 can elastically extend and be clamped into the fixing groove 571, thereby completing the installation of the functional assembly 500. Conversely, when the functional assembly 500 needs to be disassembled, it only needs to be axially withdrawn from the mounting cavity 101 along the air outlet sleeve 300, so that the fixing piece 330 is again pressed and elastically retracted out of the fixing groove 571, until the functional assembly 500 is disengaged from the mounting cavity 101. As can be seen, when the functional assembly 500 is disassembled, it only needs to be moved axially along the air outlet sleeve 300, and the disassembly operation is relatively simple. In addition, after the functional assembly 500 is installed, the fixing piece 330 is elastically clamped into the fixing groove 571, and the fixing groove 571 can limit the position of the fixing piece 330 so that it cannot be easily displaced and disengaged. A sufficient external force must be applied to elastically retract the fixing piece 330 and exit the fixing groove 571 in order to disassemble it. Therefore, after the functional assembly 500 is installed, it has high installation reliability and will not easily fall off.

[0150] The tuyere 10 in the above-mentioned embodiments can be detachably connected to the machine body 20 as in the above-mentioned embodiments, or can be integrally connected with the machine body 20. The same applies to the following embodiments.

[0151] Referring to Figure 17 , Figure 19 and Figure 23In some embodiments, the mounting structure comprises a mounting elastic member 340, the outer sidewall of the functional assembly 500 is provided with an inwardly recessed fixing groove 571, the air outlet sleeve 300 is provided with a mounting hole 313 communicating with the mounting cavity 101, one end of the mounting elastic member 340 abuts against the air outlet sleeve 300, and the other end abuts against the fixing member 330, so that the fixing member 330 extends into the mounting cavity 101 through the mounting hole 313.

[0152] Specifically, the mounting elastic member 340 is in a compressed state, and the tensile elastic force of the mounting elastic member 340 pushes the fixing member 330 into the mounting cavity 101 through the mounting hole 313 and protrudes from the cavity wall of the mounting cavity 101. When the functional assembly 500 enters the mounting cavity 101, the outer sidewall of the functional assembly 500 will extrude the fixing member 330, so that the fixing member 330 exits the mounting cavity 101 and retreats into the mounting hole 313. When the functional assembly 500 moves to a position where the fixing member 330 and the fixing groove 571 are aligned, the mounting elastic member 340 elastically rebounds and pushes the fixing member 330 into the mounting cavity 101 through the mounting hole 313 and is clamped into the fixing groove 571. During the mounting process, when the fixing member 330 jumps over the edge of the fixing groove 571 and is clamped into the fixing groove 571, the collision of the plastic members will make a sound to remind the user that the installation is in place.

[0153] In other embodiments, the positions of the fixing member 330 and the fixing groove 571 can also be interchanged, that is, the fixing groove 571 is arranged on the cavity wall of the mounting cavity 101, and the fixing member 330 is arranged on the functional assembly 500. Correspondingly, the mounting elastic member 340 is also arranged on the functional assembly 500.

[0154] In other embodiments, the mounting elastic member 340 can also be omitted, and the fixing member 330 is directly arranged as a component capable of stretching and retracting, which can be clamped into or exited from the fixing groove 571 by the stretching and retracting of the fixing member 330 itself.

[0155] Referring to Figure 17 and Figure 19 In some embodiments, the end of the fixing member 330 away from the mounting elastic member 340 is tapered, and the end of the fixing member 330 away from the mounting elastic member 340 has the smallest size.

[0156] In this way, the part of the fixing member 330 extending into the mounting cavity 101 is tapered, thereby reducing the difficulty of clamping into and exiting from the fixing groove 571, and the user can disassemble more easily.

[0157] Referring to Figure 17 , Figure 19 and Figure 20 In some embodiments, the end of the fixing member 330 away from the mounting elastic member 340 is sealingly connected with the groove wall of the fixing groove 571.

[0158] Specifically, the taper surface of the fixing member 330 and the groove wall of the fixing groove 571 are completely fitted to achieve a sealed connection so as to prevent air flow from leaking through, and ensure that air flow can flow into the functional assembly 500.

[0159] Referring to Figures 17 to 19 In some embodiments, the air outlet sleeve 300 comprises a sleeve body 310 and a fixing seat 320, the mounting hole 313 is radially through the sleeve body 310, and the fixing seat 320 is fixed to the outside of the sleeve body 310 to block the mounting hole 313. One end of the mounting elastic member 340 abuts against the fixing seat 320, and the other end abuts against the fixing member 330.

[0160] Specifically, the fixing seat 320 can be fixed to the outside of the sleeve body 310 by clamping, or can be fixed by a threaded fastener, or the fixing seat 320 can be integrally formed with the sleeve body 310.

[0161] Referring to Figure 17 , Figure 19 With Figure 23 In some embodiments, the fixing groove 571 is annular, and multiple sets of the mounting elastic member 340 and the fixing member 330 are arranged in a circumferential direction of the air outlet sleeve 300.

[0162] Preferably, multiple sets of the mounting elastic member 340 and the fixing member 330 are arranged in a circumferential direction of the air outlet sleeve 300 uniformly to increase the stability of installation. For example, the mounting elastic member 340 and the fixing member 330 are provided with three sets, and each set is spaced by 120 degrees. Referring to Figure 20 , Figure 21 , Figure 23 With Figure 24 In some embodiments, the mounting cavity 101 comprises a first space 1011 and a second space 1012 arranged in an axial direction of the air outlet sleeve 300 and communicated, the radial dimension of the first space 1011 is greater than that of the second space 1012 to form a step surface 315 therebetween, the functional assembly 500 comprises a first part 501 and a second part 502, the radial dimension of the first part 501 is greater than that of the second part 502, and the functional assembly 500 is configured to enter the mounting cavity 101 in an axial direction of the air outlet sleeve 300, so that the second part 502 extends into the second space 1012, and the first part 501 extends into the first space 1011, until the end surface of the first part 501 abuts against the step surface 315, and the fixing member 330 is clamped into the fixing groove 571.

[0163] By setting the first space 1011 and the second space 1012 with different radial dimensions, and the first part 501 and the second part 502 with different radial dimensions, the functional assembly 500 can only be accessed from the side of the first space 1011, and the second part 502 must be entered first to be successfully installed, so as to prevent mistakes during installation and achieve quick and accurate installation. In addition, the stepped surface 315 between the first space 1011 and the second space 1012 can abut against the end surface of the first part 501 during installation to remind the user that the current installation is in place.

[0164] Referring to Figures 20 to 22 In some embodiments, the shell assembly includes the accessory shell 100 and the rear cover 200 connected together, the air outlet sleeve 300 and the rear cover 200 extend into the accessory shell 100, and the two are arranged axially along the air outlet sleeve 300, one end of the air outlet sleeve 300 is connected to the accessory shell 100, and the other end is connected to the rear cover 200, a part of the air outlet sleeve 300 and the inside of the rear cover 200 together enclose the second space 1012, and the inside of a part of the air outlet sleeve 300 encloses the first space 1011.

[0165] Specifically, the accessory shell 100 and the rear cover 200 are clamped and fixed, or connected and fixed by threaded fasteners. The interior of the rear cover 200 is hollow, and the inner diameter is consistent with the inner diameter of the part of the air outlet sleeve 300 close to the rear cover 200, so as to enclose the second space 1012. The inner diameter of the part of the air outlet sleeve 300 away from the rear cover 200 is larger, so as to enclose the first space 1011. The functional assembly 500 is disassembled and assembled from the end of the air outlet sleeve 300 away from the rear cover 200.

[0166] Referring to Figures 19 to 21 In some embodiments, the air outlet sleeve 300 includes the open section 316 and the straight section 317 arranged axially along itself, the open section 316 and the straight section 317 enclose the first space 1011, the open section 316 is located at the end of the straight section 317 away from the second space 1012, and the open section 316 is in the shape of a gradually expanding trumpet mouth in the direction of the air outlet sleeve 300 axially and away from the second space 1012.

[0167] Specifically, the functional assembly 500 enters the first space 1011 from the open section 316 during installation, and the aforementioned fixing member 330 is installed on the straight section 317. In the above embodiment, the trumpet mouth design of the open section 316 can facilitate the installation of the functional assembly 500.

[0168] Referring to Figure 20 With Figure 21In some embodiments, the rear cover 200 comprises a rear cover end plate 210 and a rear cover side plate 220 protruding from one end of the rear cover end plate 210, the rear cover end plate 210 is clamped to the accessory shell 100, one end of the air outlet sleeve 300 abuts against the rear cover side plate 220, and the other end abuts against the accessory shell 100, and the air outlet sleeve 300 and the rear cover side plate 220 together define the second space 1012.

[0169] Specifically, the rear cover side plate 220 protrudes from the central region of the rear cover end plate 210, and the rear cover end plate 210 is provided with a hollow hole 211 corresponding to the position of the second space 1012, so that the user can push the functional assembly 500 from the hollow hole 211 to exit the mounting cavity 101 to complete the disassembly. The clamping structure between the rear cover end plate 210 and the accessory shell 100 can be any one of the prior art, which will not be described here. In addition, the air outlet sleeve 300 can also be clamped to the accessory shell 100 on the basis of abutting against the accessory shell 100 and the rear cover 200 to enhance the installation firmness. At this time, the structure for clamping the rear cover 200 and the structure for clamping the air outlet sleeve 300 on the accessory shell 100 are arranged in a circumferential direction to avoid interference.

[0170] Referring to Figure 18 , Figure 20 and Figure 21 In some embodiments, the air outlet sleeve 300, the rear cover 200 and the accessory shell 100 form an annular outer air duct 102, the air outlet sleeve 300 has an airflow hole 351 communicating with the first space 1011 and the outer air duct 102, and the airflow entering the outer air duct 102 from the machine body 20 can enter the first space 1011 through the airflow hole 351 and then be discharged after flowing through the functional assembly 500.

[0171] Specifically, the outer air duct 102 is formed between the outer side wall of the air outlet sleeve 300, the outer side wall of the rear cover side plate 220, the inner end wall of the rear cover end plate 210, and the inner side wall of the accessory shell 100. The airflow entering the outer air duct 102 can flow from the outside to the inside through the airflow hole 351, reach the first space 1011, and then be discharged after flowing through the functional assembly 500 to blow to the hair to be dried. By providing the airflow hole 351, the annular airflow in the outer air duct 102 can be diverted through the airflow hole 351, changing from flowing around the circumference of the air outlet sleeve 300 to flowing radially inward, so as to better blow to the functional assembly 500. In addition, by forming the annular outer air duct 102 between the second shell part 120 and the sleeve body 310, the airflow can be compressed to be more concentrated to reach the first space 1011 through the airflow hole 351, while the noise can be reduced.

[0172] The air flow passes through the functional assembly 500 before being discharged, and thus, the discharged air flow can have different functions according to the different functional assembly 500. For example, if the functional assembly 500 is an essential oil atomization assembly, the discharged air flow carries atomized essential oil molecules, which can make the hair more moisturized and emit fragrance. If the functional assembly 500 is a negative ion assembly, the discharged air flow carries negative ions, which is beneficial to keep the hair shiny and moist.

[0173] In some embodiments, the outer side wall of the air outlet sleeve 300 is provided with a flow passage 350 extending outward and abutting the inner side wall of the accessory shell 100. The flow passage 350 is hollow inside to form the aforementioned air flow hole 351. The flow passage 350 is formed with a notch 352 communicating with the air flow hole 351 near the upstream area of the outer air duct 102, so as to facilitate the turning and rapid flow of the air flow in the outer air duct 102 into the air flow hole 351.

[0174] In some embodiments, the air outlet sleeve 300 is provided with a plurality of groups of flow passages 350 arranged at intervals along the circumferential direction of the air outlet sleeve 300.

[0175] Referring to Figures 19 to 21 In some embodiments, the opening section 316 and the functional assembly 500 are in clearance fit, and an annular space is formed therebetween.

[0176] In this way, after the air flow entering the outer air duct 102 flows through the air flow hole 351 to the first space 1011, most of the air flow can flow through the functional assembly 500 and be discharged, and a small part of the air flow can also flow out from the annular space between the opening section 316 and the functional assembly 500, forming annular wind. The annular wind and the wind flowing out of the functional assembly 500 blow towards the hair together, increasing the air outlet volume, and the point-like air flows at several air flow holes 351 can be connected to form more smooth annular wind, providing a better user experience.

[0177] In addition, as described above, the fixing member 330 is sealingly connected to the groove wall of the fixing groove 571 away from the mounting elastic member 340. Therefore, the air flow flowing into the first space 1011 can be prevented from leaking from the fitting part of the fixing member 330 and the fixing groove 571, ensuring that all the air flow can flow into the functional assembly 500.

[0178] Referring to Figures 20 to 22 In some embodiments, the air outlet nozzle 10 comprises a joint member 400 for connecting with the machine body 20. The joint member 400 is connected to the accessory shell 100, and the air flow in the machine body 20 flows into the outer air duct 102 through the joint member 400.

[0179] Specifically, the accessory shell 100 comprises a first shell portion 110 and a second shell portion 120 which are integrally formed. The first shell portion 110 is connected with the joint member 400, and the second shell portion 120 is in a hollow cylindrical shape. The air outlet sleeve 300, the rear cover 200 and the functional assembly 500 are all located in the second shell portion 120. The air flows from the first shell portion 110 into the second shell portion 120. The connection structure between the joint member 400 and the body 20 has been described in the foregoing embodiments, and will not be described here again.

[0180] Referring to Figure 9 , Figure 21 and Figure 22 , in some embodiments, the joint member 400 comprises a joint end plate 420 connected with the accessory shell 100, and a joint side plate 410 connected with the joint end plate 420 at an end thereof away from the accessory shell 100. The joint side plate 410 is used to connect with the body 20, and the joint side plate 410 is provided with a flow-through hole 411 which is in communication with the inside space of the joint side plate 410 and the outer air duct 102. The air flow discharged from the body 20 can flow into the inside of the joint side plate 410 and then flow into the outer air duct 102 through the flow-through hole 411.

[0181] Specifically, the joint end plate 420 and the first shell portion 110 of the accessory shell 100 are connected through threaded fasteners. The joint side plate 410 is generally annular and is provided with a flow-through hole 411 which penetrates through the joint side plate 410. After the air flow in the body 20 is discharged, it flows into the inside of the joint side plate 410 and is turned after colliding with the joint end plate 420. The air flow then passes through the flow-through hole 411 from the inside to the outside, reaches the outer air duct 102 outside the joint side plate 410, forms a circular air flow in the outer air duct 102, and then flows through the air flow hole 351 from the outside to the inside, reaches the first space 1011, and is discharged after flowing through the functional assembly 500, and blows to the hair to be dried. By providing the joint end plate 420, the air flow can be collided and turned, which is conducive to the turning of the air flow and better adaptation to the circular flow direction in the outer air duct 102. In addition, the joint end plate 420 can also shield other structures in the second shell portion 120 to prevent dust from entering and prevent the user from being accidentally touched, and the appearance is also higher.

[0182] Preferably, the joint side plate 410 is arranged to be inclined relative to the axial direction of the body 20. In this way, the flow path of the air flow can be lengthened, and the air flow is more likely to be turned.

[0183] Referring to Figure 9 , Figure 10 , Figure 12 , Figure 16 and Figure 21In some embodiments, the tuyere 10 comprises a first electrical connector 600, which comprises a spring needle 610 and a substrate 620, the substrate 620 is electrically connected to the functional assembly 500, and a part of the adapter side plate 410 is recessed, the substrate 620 is accommodated between the recessed area 413 of the adapter side plate 410 and the accessory shell 100, and the spring needle 610 penetrates the adapter 400 and is used for electrical connection with the machine body 20.

[0184] By recessing a part of the adapter side plate 410, the substrate 620 can be avoided, so that the installation position of the substrate 620 is more sufficient. In addition, as described above, the first electrical connector 600 comprises the substrate 620 and the wire 630, the needle seat 612 of the spring needle 610 penetrates the adapter 400, the lower end is exposed, and the upper end extends into the accessory shell 100, the needle body 611 of the spring needle 610 is used for electrical connection with the machine body 20 at the lower end, the needle seat 612 is welded with the substrate 620 at the upper end to realize electrical connection, the substrate 620 is electrically connected with the contact sheet 640 through the wire 630, and the contact sheet 640 is electrically connected with the circuit board 540 of the functional assembly 500 through the plug pin 580. For more specific electrical connection structure, please refer to the foregoing embodiments, which will not be described here.

[0185] Referring to Figure 9 , Figure 21 , preferably, the flow-through hole 411 is located on the opposite side of the recessed area 413. In this way, there is more sufficient space to arrange the flow-through hole 411.

[0186] Referring to Figure 1 , Figure 9 , Figure 21 , preferably, the side wall of the recessed area 413 is in the form of an inclined surface inclined relative to the axis of the machine body 20, and in the direction gradually away from the machine body 20, the size of the recessed area 413 along the radial direction of the machine body 20 gradually increases. That is, as shown in the perspective view, the side wall of the recessed area 413 is in the form of an inclined surface with the left side higher than the right side, and the recessed area 413 gradually increases from left to right. In this way, the components such as the substrate 620 and the wire 630 can be conveniently installed in the recessed area 413, and the airflow flowing into the inside of the adapter side plate 410 can be guided to the flow-through hole 411 on the opposite side as much as possible, so that the airflow is more easily flowed into the outer air duct 102 through the flow-through hole 411. Figure 21 Referring to

[0187] , Figure 9 , Figure 16 , Figure 20 , Figure 21 , preferably, the first electrical connector 600 and the plug pin 580 are located at one end along the radial direction of the tuyere 10, and the flow-through hole 411 is located at the other end along the radial direction of the tuyere 10.

[0188] Specifically, the first electrical connector 600 and the pin 580 are located at the front of the air nozzle 10, and the flow-through hole 411 is located at the rear of the air nozzle 10 (the front and the rear are located on two sides of a plane that passes through the axis of the machine body 20 and is parallel to the end surface of the air nozzle 10). Such an arrangement can save space and shorten the circuit connection path. In addition, the design of the front wire and the rear air flow makes the air flow more smooth. The air flows into the air nozzle 10 from the rear and flows out of the air nozzle 10 from the front. The flow-through hole 411 is located at the rear and is far away from the air outlet position, which can provide a long enough air duct for air deflection.

[0189] Referring to Figure 21 and Figure 22 Preferably, the accessory shell 100 is provided with a support frame 111 for supporting the base plate 620, so that the position of the base plate 620 is more stable. Specifically, the support frame 111 is arranged in the first shell part 110.

[0190] Referring to Figure 17 and Figure 22 In some embodiments, one of the outer side wall of the air outlet sleeve 300 and the inner side wall of the accessory shell 100 is provided with a guide rib 121 extending in the axial direction of the air outlet sleeve 300, and the other is provided with a first guide groove 321 extending in the axial direction of the air outlet sleeve 300. When the air outlet sleeve 300 is installed into the accessory shell 100, the guide rib 121 slides along the first guide groove 321.

[0191] Specifically, the first guide groove 321 is recessed in the outer side wall of the air outlet sleeve 300, and the guide rib 121 is convex on the inner side wall of the accessory shell 100. More specifically, the first guide groove 321 is arranged on the outer side wall of the fixed seat 320, and the guide rib 121 is arranged on the inner side wall of the second shell part 120. By arranging the first guide groove 321 and the guide rib 121 that cooperate with each other, the air outlet sleeve 300 can be guided and limited when it is installed into the accessory shell 100, so as to ensure the axial alignment accuracy of the air outlet sleeve 300 and the accessory shell 100. In other embodiments, the positions of the first guide groove 321 and the guide rib 121 can be interchanged.

[0192] Referring to Figure 17 and Figure 23 In some embodiments, one of the inner side wall of the air outlet sleeve 300 and the outer side wall of the functional assembly 500 is provided with a second guide groove 314 extending in the axial direction of the air outlet sleeve 300, and the other is provided with a guide plate 512 extending in the axial direction of the air outlet sleeve 300. When the functional assembly 500 enters the installation cavity 101 in the axial direction of the air outlet sleeve 300, the guide plate 512 is inserted into the second guide groove 314.

[0193] Specifically, the second guide groove 314 is arranged on the inner side wall of the air outlet sleeve 300, and the guide plate 512 is arranged on the outer side wall of the functional assembly 500. By arranging the second guide groove 314 and the guide plate 512 that cooperate with each other, the functional assembly 500 can be guided and limited when it is installed, so that it can be accurately installed in place. In other embodiments, the positions of the second guide groove 314 and the guide plate 512 can be interchanged.

[0194] Referring to Figure 12 , Figure 16 , Figure 17 and Figure 23 , in some embodiments, the air nozzle 10 includes a first electrical connector 600 for electrical connection with the machine body 20, the functional assembly 500 includes a circuit board 540 and a pin 580, one end of the pin 580 is electrically connected to the circuit board 540, the other end of the pin 580 passes through the air outlet sleeve 300 and is electrically connected to the first electrical connector 600, the guide plate 512 and the second guide groove 314 are provided with two sets of matched guide plates 512, and the pin 580 is located between the two sets of guide plates 512.

[0195] In this way, the guide plate 512 can guide and protect the pin 580 at the same time, so that the pin 580 is not easily damaged. The structure of the pin 580, the structure of the first electrical connector 600, and the connection mode therebetween are described in the foregoing embodiments, and will not be described again here. It should be noted that the contact sheet slot 311 mentioned in the foregoing embodiments does not pass through in the radial direction of the air outlet sleeve 300, so as to prevent air flow in the outer air duct 102 from leaking through the contact sheet slot 311.

[0196] Referring to Figure 21 , Figure 23 and Figure 24 , in some embodiments, the functional assembly 500 is an essential oil atomization assembly, which includes an essential oil bottle 510 for storing essential oil, a tungsten wire heating element 520, a flow guide rod 530, and a circuit board 540. The tungsten wire heating element 520 is electrically connected to the circuit board 540, the flow guide rod 530 extends into the essential oil bottle 510, the tungsten wire heating element 520 is connected to the flow guide rod 530, and the essential oil in the essential oil bottle 510 can be guided to the tungsten wire heating element 520 through the flow guide rod 530 and atomized by the tungsten wire heating element 520.

[0197] Specifically, the tungsten wire heating element 520 is connected to the top end of the flow guide rod 530. In the tungsten wire heating element 520, the tungsten wire is embedded in the microporous ceramic, and the tungsten wire is electrically connected to the circuit board 540, which can control the power-on operation of the tungsten wire. When the tungsten wire is powered on, it will heat and atomize the essential oil attached to the microporous ceramic, making it into small particles that can be carried by the airflow and blown out. The atomized essential oil is more easily attached to the surface of the hair, and the care effect is better. In addition, it should be noted that the atomization here is not vaporization. By controlling the temperature of the tungsten wire, the essential oil is just atomized and not vaporized. In the prior art, the essential oil is directly volatilized through the opening. As long as the essential oil is opened, it will begin to volatilize and cannot be controlled artificially. In the above embodiment, the tungsten wire can be controlled to be powered on and off by the circuit board 540, so that the atomization of the essential oil can be performed according to the needs, reducing the waste of essential oil.

[0198] In some embodiments, the circuit board 540 is also provided with a lamp bead 541 electrically connected thereto, and a semi-transparent lamp shade 560 is provided on the lamp bead 541. When the lamp bead 541 emits light, the light is diffused and transmitted through the lamp shade 560, which can make the light appear as a uniform and diffuse white light, which is softer, and only a small number of lamp beads 541 are needed to achieve the effect of the light ring.

[0199] The essential oil atomization assembly also includes a diffuser mesh cover 570, an oil absorbing cotton 550, and other components. The diffuser mesh cover 570 is connected to the essential oil bottle 510 and has a grid shape. The aforementioned fixing groove 571 is provided on the outer side wall of the diffuser mesh cover 570. The annular oil absorbing cotton 550 is arranged inside the diffuser mesh cover 570 and is located on the side of the circuit board 540 away from the tungsten wire heating element 520, and is used to absorb essential oil that is not successfully atomized by the tungsten wire heating element 520. The annular lamp shade 560 is arranged inside the diffuser mesh cover 570 and is located on the side of the oil absorbing cotton 550 away from the circuit board 540. The atomized essential oil passes through the inner holes of the annular oil absorbing cotton 550 and the lamp shade 560 in sequence, and the airflow in the first space 1011 passes through the side grids of the diffuser mesh cover 570 from the outside to the inside, reaches between the diffuser mesh cover 570 and the lamp shade 560, wraps the atomized essential oil particles, and blows out through the end grids of the diffuser mesh cover 570. Among them, the essential oil that is not atomized will be absorbed by the inner side wall of the oil absorbing cotton 550 when passing through the inner hole of the oil absorbing cotton 550.

[0200] Preferably, the inner side wall of the lamp shade 560 is arc-shaped to facilitate the flow of atomized essential oil particles out of the lamp shade 560.

[0201] Preferably, the distance between the end face of the lamp shade 560 and the inner end face of the diffuser mesh cover 570 is less than 5 mm, so that the airflow reaching the first space 1011 can flow at high speed between the end face of the lamp shade 560 and the inner end face of the diffuser mesh cover 570, and wrap the atomized essential oil particles to blow out.

[0202] When the essential oil atomization assembly is in the uninstalled state, the hair drying device can be used as a non-specific function hair dryer. Conversely, when the essential oil atomization assembly is in the installed state, the control board 832 in the machine body 20 detects that the circuit board 540 of the essential oil atomization assembly is in the on state, the tungsten wire heating element 520 heats the essential oil to atomize it, the lamp bead 541 emits light, and the heating wire 834 in the machine body 20 does not heat to prevent the temperature from being too high to vaporize the essential oil.

[0203] Referring to Figure 23 and Figure 24 In some embodiments, the bottom wall of the essential oil bottle 510 is inwardly recessed to form a recess 513.

[0204] Specifically, when the essential oil bottle 510 is molded, glue will enter through its bottom wall, so after molding, the bottom wall will have a local outward protrusion. By inwardly recessing the bottom wall, the user can avoid being poked by the local outward protrusion on the bottom wall during disassembly. In addition, the rear cover end plate 210 mentioned above is also inwardly inclined and recessed, which can prevent the user from accidentally touching the bottom wall of the essential oil bottle 510 and pushing the entire assembly out of the installation cavity 101.

[0205] Further, in some embodiments, the inside of the bottom wall of the essential oil bottle 510 is provided with a local protrusion 514 that protrudes towards the flow guide rod 530. During use, the local protrusion 514 can make it easier for the essential oil to contact the flow guide rod 530.

[0206] Referring to Figure 12 , Figure 16 , Figure 23 and Figure 24 In some embodiments, the essential oil atomization assembly includes a storage portion for storing essential oil and a volatilization portion for atomizing essential oil. The volatilization portion constitutes the first portion 501, and the storage portion constitutes the second portion 502. The circuit board 540 and the pin 580 are both arranged in the volatilization portion, and the volatilization portion and the first electrical connector 600 are both located at the same end of the air nozzle 10 along its radial direction.

[0207] Since the circuit board 540 and the pin 580 are both arranged in the volatilization portion, and the volatilization portion and the first electrical connector 600 are both located at the same end of the air nozzle 10 along its radial direction, the circuit connection path is shorter when the pin 580 and the contact piece 640 in the first electrical connector 600 are in contact and conductive. In addition, the storage portion is designed in an elongated shape, which can increase the space for storing essential oil and facilitate the flow guide rod 530 to dip essential oil.

[0208] Referring to Figure 1 , Figure 3 and Figure 25In some embodiments, the hair drying device provided by an embodiment of the present application comprises a body 20 and at least one nozzle 10. The body 20 comprises a control panel 832, a motor 833 and a first circuit module electrically connected to the control panel 832. The body 20 has an air inlet 811 and an air outlet 812. The motor 833 is configured to cause external air to flow into the body 20 through the air inlet 811 and to flow out of the body 20 through the air outlet 812. The nozzle 10 is detachably connected to the body 20 and comprises a second circuit module. The nozzle 10 is configured to receive the air flowing out of the air outlet 812 and to discharge the received air after processing. The first circuit module is capable of forming a path alone, and the first circuit module is capable of forming a path together with the second circuit module. The control panel 832 is capable of detecting the path to determine the installation state and / or type of the nozzle 10.

[0209] In the above embodiment, the motor 833 causes external air to flow into the body 20 through the air inlet 811 and to flow out of the body 20 through the air outlet 812. The air flowing out of the body 20 flows into the nozzle 10 and is discharged after processing, thereby performing corresponding care for the hair. The nozzle 10 is detachably connected to the body 20, so that different types of care for the hair can be performed by replacing the nozzle 10. The first circuit module is capable of forming a path alone, and the first circuit module is capable of forming a path together with the second circuit module. Understandably, when different nozzles 10 are installed on the body 20, the paths formed by the first circuit module and the corresponding second circuit module will also be different. Therefore, only the control panel 832 needs to detect the path to determine the installation state and / or type of the nozzle 10, for example, to determine whether a nozzle 10 is currently installed on the body 20 and the specific type of the installed nozzle 10. In the above identification process, only the first circuit module and the second circuit module need to be set, and the type of the path formed is detected by the control panel 832, so that a complex mechanical docking structure does not need to be set, the requirement for structural design is lower, and the identification result is more reliable because it does not depend on a sensor.

[0210] As described above, the nozzle 10 comprises a functional assembly 500. When the air flows through the nozzle 10, the functional assembly 500 performs corresponding processing on the air. When different nozzles 10 are installed, the functional assemblies 500 therein are different, so that various different processing can be performed on the air. For example, the blown air carries atomized essential oils or negative ions, water ions, etc.

[0211] Referring to Figure 1 , Figure 3 and Figure 25 In some embodiments, the control panel 832 is capable of controlling the hair drying device to switch to a corresponding working mode based on the installation state and type of the nozzle 10.

[0212] Specifically, the hair drying device can be set with corresponding working modes based on the type of the functional assembly 500 in each air nozzle 10. For example, an essential oil mode, a negative ion mode, a water ion mode, etc. Each mode is customized for the characteristics of the corresponding functional assembly 500, with optimal wind speed and wind temperature, etc., so that the functional assembly 500 in the mode can play the best effect and the hair care effect is better. For example, in the essential oil mode, the wind temperature cannot be too high to avoid the essential oil vaporization.

[0213] Referring to Figure 1 , Figure 3 and Figure 25 , further, in some embodiments, the body 20 includes a heating wire 834 electrically connected to the control board 832, and the control board 832 can control the power of the heating wire 834 and the motor 833 based on the installation state and type of the air nozzle 10.

[0214] Specifically, when the air nozzle 10 is not installed or a different air nozzle 10 is installed, the control board 832 can control the power of the motor 833 and the heating wire 834 in the body 20 to switch to the corresponding working mode.

[0215] As mentioned above, each mode is customized for the characteristics of the corresponding functional assembly 500, with optimal wind speed and wind temperature. The wind speed thereof can be achieved by controlling the power of the motor 833, and the wind temperature thereof can be achieved by controlling the power of the heating wire 834. For example, increasing the power of the motor 833 to increase the wind speed; adjusting the heating power of the heating wire 834 to blow cold wind, warm wind or hot wind, or cold and hot alternating wind.

[0216] In a specific embodiment, when the functional assembly 500 in the air nozzle 10 is an essential oil atomization assembly, the power of the heating wire 834 is 0, i.e. the heating wire 834 does not work, so as to avoid the temperature being too high to vaporize the essential oil.

[0217] Referring to Figure 1 , Figure 3 and Figure 25 , in some embodiments, the control board 832 can determine the installation state and type of the air nozzle 10 by detecting the voltage of the circuit.

[0218] Specifically, when the first circuit module alone forms the circuit, and when the first circuit module and a different second circuit module form the circuit, the voltages of the respective circuits are different. Therefore, the control board 832 can determine whether the current air nozzle 10 is installed and the specific type of the air nozzle 10 based on the measured circuit voltage, so as to control the hair drying device to switch to the corresponding working mode based thereon.

[0219] Referring to Figure 1 , Figure 3 and Figure 25Further, in some embodiments, the second circuit module in each air nozzle 10 has a corresponding resistance, so that the voltage of the passage detected by the control board 832 is different.

[0220] Since the resistance of the second circuit module in each air nozzle 10 is different, the voltage of the passage formed by the first circuit module and the second circuit module will also be different, so that whether the air nozzle 10 is installed and the type of the air nozzle 10 can be determined by detecting the voltage.

[0221] Specifically, a resistance element with a corresponding resistance value can be connected in series in the second circuit module of each air nozzle 10, so that the second circuit module has different resistances.

[0222] Referring to Figure 1 , Figure 3 and Figure 25 , in some embodiments, after the control board 832 determines that the air nozzle 10 is in the installed state, the control board 832 can control the first circuit module to supply power to the electrical element in the air nozzle 10. In this way, it is not necessary to separately provide a power supply component such as a battery in the air nozzle 10.

[0223] Specifically, the electrical element in the air nozzle 10 can be an NTC temperature detector, a negative ion generator, a water ion generator, an essential oil atomizer, etc.

[0224] Referring to Figure 1 , Figure 3 and Figure 25 , in some embodiments, the first circuit module is connected with a first NTC temperature detector, and the second circuit module is connected with a second NTC temperature detector. When the control board 832 determines that the air nozzle 10 is in the non-installed state, the control board 832 reads the detection value of the first NTC temperature detector; when the control board 832 determines that the air nozzle 10 is in the installed state, the control board 832 reads the detection value of the second NTC temperature detector.

[0225] Specifically, the NTC temperature detector is used to detect the temperature of the airflow, so as to prevent the airflow from being too hot to cause damage to the hair, or the temperature being too low to cause low dry efficiency. Each working mode has an optimal wind temperature range, and under the corresponding working mode, the control board 832 can perform negative feedback adjustment on the power of the heating wire 834 based on the temperature measured by the NTC temperature detector, so as to make the wind temperature more stably in the optimal range, and improve the accuracy of wind temperature control.

[0226] When the air nozzle 10 is in the non-installed state, the machine body 20 is used alone, and the air flow directly blows to the hair after flowing out of the machine body 20. Therefore, the air flow temperature detected by the first NTC temperature detector in the first circuit module is very close to the actual air flow temperature blowing to the hair, and the detection value of the first NTC temperature detector can be directly read at this time. When the air nozzle 10 is in the installed state, the machine body 20 and the air nozzle 10 are used in cooperation, and the air nozzle 10 introduces ambient air to increase the air volume. At this time, there is a large difference between the fluid temperature detected by the first NTC temperature detector and the actual air flow temperature blowing to the hair. Therefore, the detection value of the second NTC temperature detector closer to the end of the air outlet path is read to improve the reading accuracy.

[0227] Referring to Figure 1 , Figure 3 and Figure 25 , in some embodiments, the air nozzle 10 includes a first electrical connector 600 electrically connected to the second circuit module, and the machine body 20 includes a second electrical connector 700, and the first circuit module is electrically connected between the second electrical connector 700 and the control panel 832. When the hair drying device is in the installed state that the air nozzle 10 is installed to the machine body 20, the first electrical connector 600 and the second electrical connector 700 are in contact and conductive to enable the first circuit module and the second circuit module to form a path together.

[0228] Referring to Figure 4 , the second electrical connector 700 is arranged at the air outlet end 812 and is located lower than the air outlet end 812. In this way, the second electrical connector 700 can be protected and is not easy to be damaged by accidental touch.

[0229] The specific structure and installation position of the first electrical connector 600 and the second electrical connector 700 can refer to the foregoing embodiments. On this basis, it needs to be supplemented that in the foregoing embodiments, it is mentioned that the wire connection section 720 and the control panel 832 are electrically connected, and specifically, the first circuit module and the control panel 832 are electrically connected.

[0230] The technical features of the above-described embodiments can be combined arbitrarily. In order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, but as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the description.

[0231] The above-described embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the patent application scope. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A hair drying device, characterized in that, The hair drying device comprises: a nozzle (10) comprising a first electrical connector (600) and a ring-shaped end connector (400); and a body (20) comprising a second electrical connector (700), the nozzle (10) being detachably mounted on the body (20), the body (20) having an air outlet, the hair drying device having a mounted state in which the nozzle (10) is mounted on the body (20); the body (20) has an attachment mounting groove (821) arranged on the outside of the air outlet and recessed inwardly, the second electrical connector (700) being exposedly mounted on the groove bottom of the attachment mounting groove (821), in the mounted state, the end of the connector (400) is inserted into the attachment mounting groove (821), the airflow discharged from the air outlet flows into the nozzle (10) through the connector (400), and the first electrical connector (600) is in contact and conduction with the second electrical connector (700).

2. The hair drying device of claim 1, wherein The first electrical connector (600) comprises a spring needle (610), and the second electrical connector (700) comprises a conductive sheet (710) arranged in the attachment mounting groove (821) and used for elastically abutting against the spring needle (610).

3. The hair drying device of claim 2, wherein, The body (20) comprises a bracket (820), a control panel (832) and a motor (833), the motor (833) and the control panel (832) are both mounted in the bracket (820), the second electrical connector (700) comprises a wire connecting section (720) electrically connected with the control panel (832), and a fixing sheet (730) connected between the wire connecting section (720) and the conductive sheet (710), the conductive sheet (710) is bent relative to the fixing sheet (730), and the conductive sheet (710) is inserted into the bracket (820), and the fixing sheet (730) is fixed to the bracket (820).

4. The hair drying device of claim 3, wherein The conductive sheet (710), the wire connecting section (720) and the fixing sheet (730) are integrally formed by a conductive metal material.

5. The hair drying device of claim 3, wherein, The conductive sheet (710) comprises a contact portion (711) connected to the fixing sheet (730), and a protruding portion (712) protruding outwardly from one end of the contact portion (711) away from the fixing sheet (730), the contact portion (711) is used for elastically abutting against the spring needle (610); An accommodation groove (822) is arranged on the outer side wall of the bracket (820) and recessed inwardly, a part of the groove bottom wall of the attachment mounting groove (821) is recessed to form a limiting groove (823) in communication with one end of the accommodation groove (822), and an insertion groove (824) is further arranged on the bracket (820) and in communication with the limiting groove (823) on the inner side of the limiting groove (823); The wire connecting section (720) and the fixing sheet (730) are accommodated in the accommodation groove (822), the contact portion (711) is located in the limiting groove (823), and the protruding portion (712) is inserted into the insertion groove (824).

6. The hair drying device of claim 5, wherein, The fixing sheet (730) is fixed in the accommodation groove (822) by a threaded fastener.

7. The hair drying device of claim 6, wherein The threaded fastener is coated with an insulating layer on the surface.

8. The hair drying device of claim 5, wherein, The width of the limiting groove (823) is less than 5 mm; and / or, The depth of the accessory mounting groove (821) is greater than 5 mm.

9. The hair drying device of claim 2, wherein, The machine body (20) comprises a control board (832), a motor (833), a heating wire (834), a bracket (820) and a hollow protective cover (835), the protective cover (835), the motor (833) and the control board (832) are all installed in the bracket (820), and the heating wire (834) is located on the side of the motor (833) away from the air inlet (811) of the machine body (20), the protective cover (835) is located on the side of the heating wire (834) away from the motor (833), and the annular accessory mounting groove (821) is formed between the outer wall of the protective cover (835) and the inner wall of the bracket (820).

10. The hair drying device of claim 9, wherein, The elastic needle (610) penetrates out of the connector piece (400).

11. The hair drying device of claim 10, wherein, The connector piece (400) comprises a connector side plate (410) and a connector end plate (420) connected to the end of the connector side plate (410) away from the machine body (20), and the end of the connector side plate (410) away from the connector end plate (420) is inserted into the accessory mounting groove (821) for the airflow in the machine body (20) to flow in.

12. The hair drying device of claim 11, wherein, The connector piece (400) comprises a guard plate (430) protruding outwardly relative to the connector side plate (410), and the guard plate (430) is located outside the elastic needle (610).

13. The hair drying device of claim 12, wherein, The guard plate (430) and the connector side plate (410) are connected through a boss (440) protruding from the end of the connector side plate (410), and the boss (440) has a guide wall (441) for cooperating with a guide slope (8211) on the groove bottom wall of the accessory mounting groove (821).

14. The hair drying device of claim 2, wherein, The elastic needle (610) comprises a needle body (611), a needle seat (612), an in-seat elastic member (613) and a contact ball (614), the in-seat elastic member (613) and the contact ball (614) are both built in the needle seat (612), part of the needle body (611) is inserted into the needle seat (612) and part of the needle body (611) protrudes out of the needle seat (612), the contact ball (614) is located between the needle body (611) and the in-seat elastic member (613), and the in-seat elastic member (613) is used to apply an elastic force to the needle body (611) toward the conductive sheet (710) through the contact ball (614).

15. The hair drying device of claim 14, wherein, The tuyere (10) comprises a functional assembly (500), the needle seat (612) and the functional assembly (500) are electrically connected, the needle body (611) is gap-connected with the needle seat (612) and electrically connected with the needle seat (612), and the end face of the needle body (611) close to the contact ball (614) is an inclined surface.

16. The hair drying device of claim 1, wherein, The tuyere (10) has an open-end clamping groove (412), the machine body (20) has a clamping block (825), when the machine body (20) and the tuyere (10) are in position alignment, the clamping block (825) can enter the clamping groove (412), when the machine body (20) and the tuyere (10) in position alignment are relatively rotated and moved axially close to each other, the clamping block (825) is clamped into the clamping groove (412).

17. The hair drying device of claim 16, wherein, The machine body (20) comprises a locking member (841) and a locking elastic member (842) connected with each other, when the clamping block (825) is clamped into the clamping groove (412), the locking elastic member (842) is used to apply an elastic force to the locking member (841) towards the tuyere (10), so that the locking member (841) is inserted into the clamping groove (412) to prevent the clamping block (825) from exiting the clamping groove (412).

18. The hair drying device of claim 17, wherein, The locking member (841) comprises a locking portion (8411), a transmission portion (8412) and a push button (8413), the locking portion (8411) and the push button (8413) are both fixed to the transmission portion (8412), and the locking portion (8411) and the locking elastic member (842) are respectively located at both ends of the transmission portion (8412), the locking elastic member (842) is used to push the locking portion (8411) close to the tuyere (10) through the transmission portion (8412), and the push button (8413) is configured to be operable to push the locking portion (8411) away from the tuyere (10) through the transmission portion (8412).

19. The hair drying device of claim 2, wherein, The tuyere (10) comprises a functional assembly (500), the first electric connecting member (600) comprises a contact sheet (640) electrically connected to the elastic needle (610), the functional assembly (500) comprises a circuit board (540) and a plug needle (580), one end of the plug needle (580) is electrically connected to the circuit board (540), and the other end of the plug needle (580) is electrically connected to the contact sheet (640).

20. The hair drying device of claim 19, wherein, The tuyere (10) comprises an air outlet sleeve (300), the functional assembly (500) is installed in the air outlet sleeve (300), the contact sheet (640) comprises a fixed portion (641) and a connecting portion (642) connected with each other and relatively bent, the connecting portion (642) is inserted into the air outlet sleeve (300), the fixed portion (641) is fixed to the air outlet sleeve (300), and one end of the plug needle (580) away from the circuit board (540) elastically abuts against the connecting portion (642).

21. The hair drying device of claim 20, wherein, The functional assembly (500) has a pin cavity (511) for accommodating the pin (580), the air outlet sleeve (300) is provided with a contact sheet slot (311) and a pin hole (312), the pin hole (312) is communicated with the contact sheet slot (311) and the pin cavity (511), the connecting part (642) is inserted into the contact sheet slot (311), and the pin (580) passes through the pin hole (312) and elastically abuts against the connecting part (642).

22. The hair drying device according to any one of claims 1 to 21, characterized in that, The air nozzle (10) comprises: a housing assembly; an air outlet sleeve (300) connected to the housing assembly, the air outlet sleeve (300) being hollow inside, and the housing assembly and the inside of the air outlet sleeve (300) jointly forming a mounting cavity (101); a functional assembly (500); and a mounting structure comprising a fixing member (330) and a fixing slot (571), one of the fixing member (330) and the fixing slot (571) being arranged on the functional assembly (500), and the other being arranged on the mounting cavity (101), the functional assembly (500) being configured to axially enter the mounting cavity (101) along the air outlet sleeve (300) so that the fixing member (330) elastically retracts radially along the air outlet sleeve (300) until the fixing member (330) is clamped into the fixing slot (571).

23. The hair drying device of claim 22, wherein, The mounting structure comprises a mounting elastic member (340), the outside wall of the functional assembly (500) is provided with the concave fixing slot (571), the air outlet sleeve (300) has a mounting hole (313) communicated with the mounting cavity (101), one end of the mounting elastic member (340) abuts against the air outlet sleeve (300), and the other end abuts against the fixing member (330), so that the fixing member (330) extends into the mounting cavity (101) after passing through the mounting hole (313).

24. The hair drying device of claim 22, wherein, The mounting cavity (101) comprises a first space (1011) and a second space (1012) arranged axially along the air outlet sleeve (300) and communicated, the radial dimension of the first space (1011) is greater than that of the second space (1012), so as to form a stepped surface therebetween, the functional assembly (500) comprises a first part (501) and a second part (502), the radial dimension of the first part (501) is greater than that of the second part (502), the functional assembly (500) is configured to axially enter the mounting cavity (101) along the air outlet sleeve (300), so that the second part (502) extends into the second space (1012), the first part (501) extends into the first space (1011), and when the end surface of the first part (501) abuts against the stepped surface, the fixing member (330) is clamped into the fixing slot (571).

25. The hair drying device of claim 24, wherein, The shell assembly comprises an accessory shell (100) and a rear cover (200) connected together, the air outlet sleeve (300) and the rear cover (200) extend into the accessory shell (100) and are arranged axially along the air outlet sleeve (300), one end of the air outlet sleeve (300) is connected to the accessory shell (100), the other end is connected to the rear cover (200), and the air outlet sleeve (300) and the inner side of the rear cover (200) together enclose the second space (1012) in a partial region of the air outlet sleeve (300).

26. The hair drying device of claim 25, wherein, The rear cover (200) comprises a rear cover end plate (210) and a rear cover side plate (220) protruding outward from one end of the rear cover end plate (210), the rear cover end plate (210) is clamped to the accessory shell (100), one end of the air outlet sleeve (300) abuts against the rear cover side plate (220), and the other end abuts against the accessory shell (100), and the air outlet sleeve (300) and the inner side of the rear cover side plate (220) together enclose the second space (1012) in a partial region of the air outlet sleeve (300).

27. The hair drying device of claim 26, wherein, An annular outer air duct (102) is formed between the air outlet sleeve (300), the rear cover (200) and the accessory shell (100), the air outlet sleeve (300) has an airflow hole (351) communicating with the first space (1011) and the outer air duct (102), and the airflow flowing into the outer air duct (102) through the machine body (20) can enter the first space (1011) through the airflow hole (351) and be discharged after flowing through the functional assembly (500).

28. The hair drying device of claim 22, wherein, The functional assembly (500) is an essential oil atomization assembly, which comprises an essential oil bottle (510) for storing essential oil, a tungsten wire heating element (520), a flow guide rod (530) and a circuit board (540), the tungsten wire heating element (520) is electrically connected to the circuit board (540), the flow guide rod (530) extends into the essential oil bottle (510), the tungsten wire heating element (520) is connected to the flow guide rod (530), and the essential oil in the essential oil bottle (510) can be guided to the tungsten wire heating element (520) through the flow guide rod (530) and atomized by the tungsten wire heating element (520).

29. The hair drying device of any one of claims 1 to 21, wherein, The machine body (20) comprises a control board (832), and the machine body (20) is provided with a first circuit module electrically connected to the control board (832), the air nozzle (10) is provided with a second circuit module, the first circuit module can form a path alone, and the first circuit module can form a path together with the second circuit module, and the control board (832) can detect the path to determine the installation state and / or type of the air nozzle (10).

30. The hair drying device of claim 29, wherein, The control board (832) can switch the hair drying device to a corresponding working mode based on the installation state and type of the air nozzle (10).

31. The hair drying device of claim 29, wherein, The control board (832) judges the installation state and type of the blowpipe (10) by detecting the voltage of the passage.

32. The hair drying device of claim 29, wherein, After judging that the blowpipe (10) is in the installation state, the control board (832) controls the first circuit module to supply power to the electrical elements in the blowpipe (10).

33. The hair drying device of claim 29, wherein, A first NTC temperature detector is connected in the first circuit module, and a second NTC temperature detector is connected in the second circuit module. When judging that the blowpipe (10) is in the non-installation state, the control board (832) reads the detection value of the first NTC temperature detector. When judging that the blowpipe (10) is in the installation state, the control board (832) reads the detection value of the second NTC temperature detector.

34. The hair drying device of claim 29, wherein, In the installation state, the first electrical connector (600) is in contact with the second electrical connector (700) to make the first circuit module and the second circuit module form the passage together.

Images