Main machine of nursing appliance

Abstract

The invention discloses a main machine of a nursing appliance, and the main machine of the nursing appliance comprises a first inner shell in which a first air channel is formed; the second inner shell comprises a first inner sub-shell and a second inner sub-shell which are oppositely arranged, the second inner sub-shell is installed in the first inner sub-shell, a second air duct is formed by the second inner sub-shell and the first inner sub-shell, the first air duct is communicated with the second air duct, and one part of the first inner sub-shell extends into the first air duct and is installed in the first inner shell; the first inner shell and the second inner shell are in a concentric arc shape in the length direction of the main machine. Therefore, by arranging the main machine of the nursing appliance, the connection reliability and the assembly convenience of the two inner shells can be effectively improved by utilizing the mode that the first inner sub-shell is connected with the second inner sub-shell and the first inner shell, so that the overall structural stability of the main machine is improved; and the curved contour of the nursing part of the user can be better adapted through the arc contour of the host, so that the modeling and nursing effects are improved.

Description

Technical Field

[0001] This invention relates to the field of nursing equipment technology, and in particular to a main unit of a nursing equipment. Background Technology

[0002] Currently, hair dryers work by using an electric motor to drive a rotor that rotates the fan blades. When the fan blades rotate, air enters through the air inlet, and the resulting centrifugal airflow is blown out through the air outlet. The heating element inside the hair dryer is heated by electricity, and the air blown out after passing through the heating element is warm air. If the heating element is not activated, the air blown out is cold air. Hair dryers on the market are generally either handheld or upright. Handheld hair dryers require manual holding of the air outlet, which can easily cause hand fatigue, and the air outlet angle is difficult to control, which can lead to uneven drying areas and low control precision. Although upright hair dryers do not require manual holding, unreasonable air duct design can lead to air pressure loss and uneven air coverage, and the positioning accuracy of the swinging air outlet is low.

[0003] In some related technologies, the housing of a vertical hair dryer, due to the presence of functional modules and the main unit, bears excessive load, which can easily lead to loosening and deformation of the housing, affecting the user experience. Therefore, a solution is urgently needed to address these issues. Summary of the Invention

[0004] The present invention aims to at least solve one of the technical problems existing in the prior art. Therefore, one object of the present invention is to provide a main unit for a nursing device that can improve the overall structural stability of the main unit.

[0005] According to a first aspect of the present invention, the main body of a nursing device includes: a first inner shell, wherein a first air duct is formed within the first inner shell; and a second inner shell, wherein the second inner shell includes a first sub-inner shell and a second sub-inner shell disposed opposite to each other, the second sub-inner shell being installed on the first sub-inner shell and forming a second air duct with the first sub-inner shell, the first air duct communicating with the second air duct, a portion of the first sub-inner shell extending into the first air duct and being installed on the first inner shell, and the first inner shell and the second inner shell being concentric arcuate along the length direction of the main body.

[0006] Therefore, by setting the main unit of this nursing device, the connection between the first sub-inner shell and the second sub-inner shell and the first inner shell can be used to effectively improve the connection reliability and assembly convenience of the two inner shells, thereby improving the overall structural stability of the main unit. In addition, the arc contour of the main unit can better adapt to the curved contour of the user's nursing area, thereby improving the shape and nursing effect.

[0007] In some examples of the present invention, the first inner shell includes a third sub-inner shell and a fourth sub-inner shell disposed opposite to each other, the third sub-inner shell and the fourth sub-inner shell forming the first air duct, and a portion of the first sub-inner shell being respectively installed on the third sub-inner shell and the fourth sub-inner shell.

[0008] In some examples of the present invention, a slot is formed between the edges of the third sub-inner shell and the fourth sub-inner shell, and a portion of the first sub-inner shell includes a plug-in portion that is plugged into the slot; the host further includes a first fastener that passes through the third sub-inner shell, the plug-in portion and the fourth sub-inner shell.

[0009] In some examples of the present invention, the first sub-inner shell includes: a first main body segment, the second sub-inner shell being mounted on the first main body segment; a first protruding segment connected to the first main body segment and disposed within the first air duct; and a plug-in portion connected to at least one edge of the first protruding segment, the plug-in portion and the first protruding segment together constituting a part of the first sub-inner shell.

[0010] In some examples of the present invention, a limiting step is formed inside the third sub-shell, and the limiting step abuts against the first protruding segment.

[0011] In some examples of the present invention, one end of the fourth sub-inner shell is formed with a clearance groove communicating with the slot, and a portion of the second sub-inner shell is disposed in the clearance groove; the host further includes: a second fastener, the second fastener passing through the third sub-inner shell, the plug-in portion and a portion of the second sub-inner shell.

[0012] In some examples of the present invention, the second sub-inner shell includes: a second main body segment, which is mounted on the first sub-inner shell and partially disposed in the clearance groove; and a second protruding segment, which is connected to the second main body segment and disposed within the first air duct.

[0013] In some examples of the present invention, the main unit of the nursing device further includes: an air outlet structure, wherein the air outlet structure is disposed in the second inner shell and has an air outlet, and the air outlet is connected to the second air duct.

[0014] In some examples of the present invention, the host further includes: a third inner shell, wherein the first inner shell is rotatably disposed within the third inner shell; and a rotating device disposed between the first inner shell and the third inner shell to drive the first inner shell to rotate relative to the third inner shell.

[0015] In some examples of the present invention, the rotating device includes: a rotary motor having an output shaft, the rotary motor being disposed in one of the first inner shell and the third inner shell; and a rotating seat disposed in the output shaft, the rotating seat being disposed in the other of the first inner shell and the third inner shell.

[0016] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of the structure of a nursing device according to an embodiment of the present invention; Figure 2 This is a partial structural schematic diagram of a nursing device according to an embodiment of the present invention; Figure 3 This is an exploded view of a portion of the structure of a nursing device according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of the first inner shell and the second inner shell of the nursing device according to an embodiment of the present invention; Figure 5 This is an exploded view of the first inner shell and the second inner shell of the nursing device according to an embodiment of the present invention; Figure 6 This is an exploded view of the first inner shell and the second inner shell of the nursing device according to an embodiment of the present invention; Figure 7 This is an exploded view of the first inner shell and the second inner shell of the nursing device according to an embodiment of the present invention from another angle; Figure 8 yes Figure 7 A magnified view of a portion of region A in the middle; Figure 9 This is a cross-sectional view of a nursing appliance according to an embodiment of the present invention; Figure 10 yes Figure 9 A magnified view of a portion of region B in the middle.

[0018] Figure label: 100. Main unit; 200. Nursing equipment; 201. Base; 10. First inner shell; 11. First air duct; 12. Third sub-inner shell; 121. Limiting step; 13. Fourth sub-inner shell; 131. Clearance groove; 14. Slot; 20. Second inner shell; 21. First sub-inner shell; 211. Insertion part; 212. First main body section; 213. First protruding section; 22. Second sub-inner shell; 221. Second main body section; 222. Second protruding section; 23. Second air duct; 30. Outer casing; 31. First outer casing; 32. Second outer casing; 321. First perforation; 322. Second perforation; 33. Third outer casing; 40. Fan; 50. Heating element; 60. Air outlet structure; 61. Air outlet; 70. Essential oil atomizing bottle; 71. Hair detector; 90. Rotating device; 91. Rotating motor; 911. Output shaft; 92. Rotating base; 93. Lifting device; 94. Air inlet. Detailed Implementation

[0019] The embodiments of the present invention are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present invention are described in detail below.

[0020] The following is for reference. Figures 1-10 The main unit 100 of the nursing device 200 according to an embodiment of the present invention can effectively improve the connection reliability and assembly convenience of the two inner shells by using the connection method of the first sub-inner shell 21 to the second sub-inner shell 22 and the first inner shell 10 respectively. It can also better adapt to the curved contour of the user's nursing part through the arc contour of the main unit 100, thereby improving the shape and nursing effect.

[0021] Combination Figures 1-10 As shown, the main unit 100 of the nursing device 200 according to a first aspect embodiment of the present invention includes a first inner shell 10 and a second inner shell 20. The nursing device 200 may be a vertical hair dryer.

[0022] Specifically, a first air duct 11 is formed inside the first inner shell 10, and the second inner shell 20 includes a first sub-inner shell 21 and a second sub-inner shell 22 disposed opposite to each other. The second sub-inner shell 22 is installed on the first sub-inner shell 21, and the second sub-inner shell 22 and the first sub-inner shell 21 form a second air duct 23. The first air duct 11 and the second air duct 23 are connected. A part of the first sub-inner shell 21 extends into the first air duct 11, and a part of the first sub-inner shell 21 is installed on the first inner shell 10. The first inner shell 10 and the second inner shell 20 are in a circular arc shape with the same center in the length direction of the main unit 100.

[0023] Specifically, the first air duct 11 of the first inner shell 10 and the second air duct 23 of the second inner shell 20 are interconnected, which allows airflow to flow smoothly between the first air duct 11 and the second air duct 23, which helps to regulate the direction of airflow, avoid airflow turbulence or leakage, reduce airflow resistance and energy loss, and thus improve the transmission efficiency of airflow. The second inner shell 20 is formed by the snap-fitting of the oppositely arranged first sub-inner shell 21 and the second sub-inner shell 22. The second sub-inner shell 22 can be installed on the first sub-inner shell 21, so that the first sub-inner shell 21 and the second sub-inner shell 22 can be connected into a solid whole. At the same time, a part of the first sub-inner shell 21 extends into the first air duct 11 of the first inner shell 10 and this part of the first sub-inner shell 21 is installed on the first inner shell 10, so that the first sub-inner shell 21 can also be connected to the first inner shell 10 into a whole, thus successfully achieving the effect of connecting the first inner shell 10 and the second inner shell 20 into a whole.

[0024] Furthermore, the first sub-inner shell 21 is connected to the second sub-inner shell 22 and the first inner shell 10 respectively. This allows the first sub-inner shell 21 to provide a unified and stable connection reference for the two connections, enabling the assembly of the second sub-inner shell 22 with the first sub-inner shell 21 and the assembly of the first inner shell 10 with the first sub-inner shell 21 to achieve precise positioning based on this reference. This reduces the connection loosening problem caused by reference deviation and improves the connection stability and reliability of the overall structure.

[0025] Furthermore, a portion of the first sub-inner shell 21 extends into the first air duct 11, and a portion of the first sub-inner shell 21 is installed on the first inner shell 10. With this arrangement, compared to the traditional end-face bonding connection method, the embodiment in this case can effectively increase the connection contact area between the first sub-inner shell 21 and the first inner shell 10, forming an interlocking connection structure, improving the fit and tightness of the connection between the two, effectively avoiding relative loosening of the host 100 due to vibration and impact during use, and improving connection reliability.

[0026] Furthermore, the portion of the first sub-inner shell 21 that extends into the first air duct 11 can form a natural guide and positioning reference during the assembly stage, making the assembly of the first sub-inner shell 21 and the first inner shell 10 more precise, reducing the difficulty of alignment during assembly, improving assembly efficiency, and the extended fit can effectively reduce the connection gap between the two, which not only improves the sealing effect at the connection point, but also makes the connection between the two more compact, eliminating the need for additional positioning or connecting accessories, improving structural simplicity, and enhancing the overall structural rigidity, reducing vibration, abnormal noise and other problems of the main unit 100 during use.

[0027] In particular, in this case, the first sub-inner shell 21 can be used as a pre-assembly basis. That is, the second sub-inner shell 22 can be pre-assembled independently on the first sub-inner shell 21 first, and then the assembled first inner shell 10 can be connected and installed to the first inner shell 10 through the first sub-inner shell 21, thereby realizing step-by-step assembly, simplifying the overall assembly process, reducing the difficulty of assembly operation, and improving assembly efficiency.

[0028] Furthermore, the first inner shell 10 and the second inner shell 20 adopt a circular arc design with the same center along the length of the main unit 100. This allows the main unit 100 to form an arc-shaped contour, which can better fit the curved contour of the user's head. This allows the main unit 100 to surround the user's treatment area (that is, to allow the effective range of the main unit 100 to precisely fit the curve of the user's head contour), avoiding the problem of local gaps caused by a single straight surface. As a result, the effective range of the main unit 100 can more evenly and comprehensively cover and wrap the curved treatment area, effectively improving the uniformity of the treatment shape and the stability of the effect.

[0029] In addition, the arc-shaped design of the main unit 100 can reduce the local pressure sensation from the main unit 100 when the user uses the upright nursing appliance 200, thereby improving the user's comfort during the nursing process and enhancing the user experience.

[0030] Therefore, by setting the main unit 100 of the nursing device 200, it can effectively improve the connection reliability and assembly convenience of the two inner shells by using the connection method of the first sub-inner shell 21 to the second sub-inner shell 22 and the first inner shell 10 respectively, thereby improving the overall structural stability of the main unit 100. It can also better adapt to the curved contour of the user's nursing part through the arc contour of the main unit 100, thereby improving the shape and nursing effect.

[0031] According to some optional embodiments of the present invention, in combination Figures 4-7 As shown, the first inner shell 10 includes a third sub-inner shell 12 and a fourth sub-inner shell 13 disposed opposite to each other. The third sub-inner shell 12 and the fourth sub-inner shell 13 form a first air duct 11. A portion of the first sub-inner shell 21 is respectively installed on the third sub-inner shell 12 and the fourth sub-inner shell 13.

[0032] The first inner shell 10 is formed by fastening together the third sub-inner shell 12 and the fourth sub-inner shell 13 which are arranged opposite to each other. A part of the first sub-inner shell 21 can simultaneously establish a connection relationship with the third sub-inner shell 12 and the fourth sub-inner shell 13 respectively. That is, the first sub-inner shell 21 can act as a connection medium. It has a separate connection relationship with the two sub-inner shells of the first inner shell 10 and the second sub-inner shell 22 of the second inner shell 20. This is conducive to the first sub-inner shell 21 and the adjacent structure forming a multi-directional and multi-contact connection.

[0033] Compared to the docking method with a single connection point, the embodiment in this case can form a connection contact relationship between the first sub-inner shell 21 and the two sub-inner shells of the first inner shell 10, while the first sub-inner shell 21 is connected to the second sub-inner shell 22. This increases the number of structures that can be connected to each sub-inner shell on the first inner shell 10 and the second inner shell 20. This helps to distribute the force to more structures, improve the uniformity of the force, and thus improve the overall connection reliability and stability. It also helps to make the connection between the first inner shell 10 and the second inner shell 20 more compact, reduce assembly gaps, and reduce vibration and abnormal noise problems caused by relative displacement between the inner shells during use.

[0034] In detail, combined Figures 4-6 As shown, a slot 14 is formed between the edges of the third sub-inner shell 12 and the fourth sub-inner shell 13. A portion of the first sub-inner shell 21 includes a plug-in portion 211, which is plugged into the slot 14. The main unit 100 also includes a first fastener, which passes through the third sub-inner shell 12, the plug-in portion 211 and the fourth sub-inner shell 13.

[0035] Understandably, when assembling the first sub-inner shell 21 and the first inner shell 10, the slot 14 can guide the insertion part 211 on the first sub-inner shell 21, thereby quickly achieving precise alignment between the two. Direct insertion completes the connection without complex auxiliary operations. Disassembly only requires releasing the engagement state of the insertion to directly separate them, effectively simplifying the assembly and disassembly process and improving assembly efficiency. The insertion part 211 and the slot 14 are inserted and cooperate, which helps to form a matting structural connection effect, effectively increasing the connection contact area between the first sub-inner shell 21 and the first inner shell 10, thereby improving the connection strength between the two and allowing for a higher fit, thus reducing assembly gaps. At the same time, the slot 14 can also effectively limit the insertion part 211, avoiding the risk of loosening of the insertion part 211. The insertion and cooperation can also prevent the first sub-inner shell 21 and the second inner shell 20 from relative wobbling in the circumferential direction, thereby ensuring the connection reliability and positional stability of the overall structure of the host 100.

[0036] In addition, the first fastener passes through the third sub-inner shell 12, the plug-in portion 211 and the fourth sub-inner shell 13, which can further enhance the connection strength and tightness of the first sub-inner shell 21, the third sub-inner shell 12 and the fourth sub-inner shell 13, thereby further improving the overall structural stability of the host 100.

[0037] Specifically, in combination Figures 3-8As shown, the first sub-inner shell 21 includes a first main body section 212, a first protruding section 213, and a plug-in portion 211. The second sub-inner shell 22 is installed on the first main body section 212. The first protruding section 213 is connected to the first main body section 212 and is disposed in the first air duct 11. The plug-in portion 211 is connected to at least one edge of the first protruding section 213. The plug-in portion 211 and the first protruding section 213 together constitute a part of the first sub-inner shell 21.

[0038] In other words, the first main body segment 212, as the main load-bearing structural component of the first sub-inner shell 21, is mainly used to match and connect with the second sub-inner shell 22. The first protruding segment 213 is connected to the first main body segment 212 and is located in the first air duct 11 of the first inner shell 10. This facilitates a precise nested fit between the first protruding segment 213 and the first inner shell 10, improves the assembly accuracy of the first inner shell 10 and the second inner shell 20, and also helps to form an assembly pre-guiding effect, improving the assembly efficiency of both. The plug-in portion 211 is located on at least one edge of the first protruding segment 213. The first protruding segment 213 and the plug-in portion 211 form a continuous structural design. This helps to improve the structural strength of the plug-in portion 211 in the circumferential direction of the first inner shell 10, avoids the risk of local stress concentration in the plug-in portion 211, and thus ensures the structural reliability of the plug-in portion 211, thereby ensuring the connection reliability between the first sub-inner shell 21 and the first inner shell 10.

[0039] Furthermore, combined Figure 5 and Figure 8 As shown, a limiting step 121 is formed inside the third sub-shell 12, and the limiting step 121 abuts against the first protruding section 213.

[0040] It is understandable that the limiting step 121 formed inside the third sub-inner shell 12 abuts against the first protruding section 213. This helps to achieve precise axial limiting and radial positioning constraint on the first protruding section 213, thereby avoiding the risk of the first protruding section 213 moving, shifting, or being over-inserted relative to the third sub-inner shell 12, ensuring the accuracy of the assembly position of the two. At the same time, the abutting fit can disperse the force in the contact area and avoid local stress concentration, thereby improving the connection stability and reliability between the third sub-inner shell 12 and the first sub-inner shell 21.

[0041] Specifically, in combination Figure 5 and Figure 6 As shown, one end of the fourth sub-inner shell 13 is formed with a relief groove 131 communicating with the slot 14, and a part of the second sub-inner shell 22 is disposed in the relief groove 131; the main unit 100 also includes a second fastener, which passes through the third sub-inner shell 12, the plug-in portion 211 and a part of the second sub-inner shell 22.

[0042] It is understandable that when assembling the first inner shell 10 and the second inner shell 20, a portion of the second sub-inner shell 22 of the second inner shell 20 is disposed in the clearance groove 131. The clearance groove 131 can provide clearance space for a portion of the second sub-inner shell 22, and a portion of the second sub-inner shell 22 can form a nested fit with the fourth sub-inner shell 13. This can improve the assembly accuracy of the first inner shell 10 and the second inner shell 20, and also help to form an assembly pre-guiding effect, thereby improving assembly efficiency. At the same time, a portion of the second sub-inner shell 22 and the fourth sub-inner shell 13 can also form an overlapping part in the airflow direction in the air duct, which helps to increase the contact area of ​​the two sub-inner shells, increase the connection strength of the two sub-inner shells at the connection point, and thus improve the connection reliability of the first inner shell 10 and the second inner shell 20.

[0043] In addition, the clearance groove 131 can also guide a part of the second inner shell 22, thereby quickly achieving precise alignment between the two without complicated auxiliary operations, effectively improving assembly efficiency.

[0044] Furthermore, the second fastener passes through the insertion portion 211 on the third sub-inner shell 12, the first sub-inner shell 21, and the second sub-inner shell 22, which can further enhance the connection strength and tightness of the first sub-inner shell 21, the second sub-inner shell 22, and the third sub-inner shell 12, thereby further improving the overall structural stability of the host 100.

[0045] Furthermore, combined Figures 4-6 , Figure 9 As shown, the second sub-inner shell 22 includes a second main body section 221 and a second protruding section 222. The second main body section 221 is installed on the first sub-inner shell 21, and a portion of the second main body section 221 is disposed in the relief groove 131. The second protruding section 222 is connected to the second main body section 221 and is disposed in the first air duct 11.

[0046] It is understandable that the second main body segment 221, as the main load-bearing structural component of the second sub-inner shell 22, is mainly used to match and connect with the first sub-inner shell 21. The second protruding segment 222 is connected to the second main body segment 221 and is located in the first air duct 11 of the first inner shell 10. This facilitates a precise nested fit between the second protruding segment 222 and the first inner shell 10, thereby improving the assembly accuracy of the first inner shell 10 and the second inner shell 20. It also helps to form an assembly pre-guiding effect and improve assembly efficiency.

[0047] In addition, a portion of the second main body section 221 is disposed in the clearance groove 131, which is beneficial to form a structural nesting and overlapping area between the second sub-inner shell 22 and the fourth sub-inner shell 13 in the direction of airflow, thereby increasing the connection contact area between the second sub-inner shell 22 and the fourth sub-inner shell 13 and effectively improving the overall structural strength and connection reliability of the two at the connection point.

[0048] According to some optional embodiments of the present invention, in combination Figures 1-3 , Figure 9 As shown, the main unit 100 of the nursing device 200 also includes a housing 30, a fan 40, a heating element 50, and an air outlet structure 60. The housing 30 is disposed outside the first inner shell 10 and the second inner shell 20. The fan 40 is disposed inside the first air duct 11. The heating element 50 is disposed inside the first air duct 11 or the second air duct 23. The air outlet structure 60 is disposed inside the second inner shell 20 and has an air outlet 61 that communicates with the second air duct 23.

[0049] The outer shell 30 surrounds the outer side of the first inner shell 10 and the second inner shell 20, thus providing a double structural protection for the internal structures of the two inner shells and improving the structural reliability of the main unit 100. The fan 40, as the airflow power source, can continuously generate and deliver airflow, providing power support for the blowing function. The heating element 50 is arranged on the airflow delivery path of the fan 40 (such as within the first air duct 11 or the second air duct 23), thus enabling controllable heating of the airflow delivered by the fan 40 and achieving the function switching between cold and hot air. The air outlet structure 60 is connected to the second air duct 23 and is provided with an air outlet 61, thus guiding the heated or unheated airflow to the target area.

[0050] Furthermore, along the direction of airflow, the second inner shell 20 is located downstream of the first inner shell 10, that is, the second air duct 23 is located downstream of the first air duct 11. The heating element 50 can be flexibly arranged in the first air duct 11 or the second air duct 23 according to design requirements. The air outlet structure 60 is set at the second inner shell 20, which is conducive to placing the air outlet 61 above the main unit 100. This allows the air blown from the air outlet 61 to be accurately aimed at the user's head area, so that the airflow can directly and evenly cover the hair strands along the natural direction of hair fall, without the need for the user to adjust their body posture or hold the controls. This frees up the user's hands, improves the convenience of use, and ensures the drying efficiency, thus taking into account both the ergonomic design effect and the drying styling effect.

[0051] In addition, the main unit 100 is also equipped with an air inlet 94, which is located below the air outlet 61. The air inlet 94 and the air outlet 61 are connected to each other, which helps to form a continuous airflow circulation effect. Combined with the arc shape of the main unit 100, this helps to blow the air blown from the air outlet 61 more evenly and comprehensively to the user's styling parts (such as the curved contour of the head), thereby effectively ensuring the consistency of the styling and improving the styling effect.

[0052] Specifically, in combination Figures 1-3As shown, the outer shell 30 includes a first outer shell 31, a second outer shell 32 and a third outer shell 33. The first outer shell 31 is disposed on the outer side of a portion of the first inner shell 10, the second outer shell 32 is disposed on the outer side of another portion of the first inner shell 10 and is connected to the first outer shell 31, the third outer shell 33 is disposed on the outer side of the second inner shell 20 and is connected to the second outer shell 32, and the third outer shell 33 covers one end of the second inner shell 20.

[0053] It is understandable that the first outer shell 31, the second outer shell 32, and the third outer shell 33 are connected sequentially along the airflow direction within the duct. The first outer shell 31 is located on a portion of the outer side of the first inner shell 10, and the second outer shell 32 is located on another portion of the outer side of the first inner shell 10. In other words, the first inner shell 10 is simultaneously fitted and connected to both the first outer shell 31 and the second outer shell 32. This allows for a multi-directional load-bearing structure by using a segmented double outer shell 30 design on the first inner shell 10. This disperses the load of the first inner shell 10 to both outer shells 30, effectively avoiding the problem of local stress concentration when a single outer shell 30 is fitted. It also effectively improves the structural strength, impact resistance, and deformation resistance of the connection between the outer shells 30 in that area. Furthermore, the tight fitting of the double outer shells 30 with corresponding portions of the first inner shell 10 achieves multi-point positioning constraints on the first inner shell 10, reducing the gaps and relative sway between the inner and outer shells 30, and improving the fit and stability of the connection between the inner and outer shells 30.

[0054] Furthermore, the third outer shell 33 covers the end of the second inner shell 20 closest to the first inner shell 10. In this way, by wrapping the connection between the second inner shell 20 and the first inner shell 10 with the third outer shell 33, the problem of local stress concentration at the connection between the two inner shell ends can be effectively avoided, and the weak stress area at the connection between the second inner shell 20 and the first inner shell 10 can be compensated. This improves the overall structural strength, deformation resistance, and impact resistance of the inner and outer shells 30, allowing the segmented shell structure to achieve layout adaptation while forming a more stable overall load-bearing effect.

[0055] In addition, the three shells form a multi-segment connection, which makes it easy to disassemble and replace a single shell 30 without having to disassemble and replace the entire shell 30, thereby reducing the cost of maintenance and replacement.

[0056] Alternatively, combined Figures 1-3 and Figure 9 As shown, the main unit 100 also includes an essential oil atomizing bottle 70, which is disposed in the second inner shell 20. The second outer shell 32 is provided with a first perforation 321, through which the essential oil atomizing bottle 70 passes.

[0057] The first perforation 321 provides an allowable opening for the essential oil atomizing bottle 70 to pass through the second outer shell 32. This helps to reduce the space occupied by the essential oil atomizing bottle 70 in the second inner shell 20, avoids obstructing the airflow in the second air duct 23, ensures the smooth airflow of the second air duct 23, and also facilitates the installation, disassembly and essential oil replenishment of the essential oil atomizing bottle 70 according to different user needs.

[0058] In addition, the mist outlet of the essential oil atomizing bottle 70 faces forward, so that the direction of the mist outlet corresponds to the air outlet 61, avoiding the essential oil molecules from contaminating other parts, and making it easier for the essential oil molecules to be blown to the treatment area with the wind, thereby achieving the integration of essential oil aromatherapy and basic wind therapy, and making the treatment experience more comfortable.

[0059] Alternatively, combine Figures 1-3 and Figure 9 As shown, the host 100 also includes a hair detector 71, which is disposed in the second inner shell 20 and is used to detect hair information. The second outer shell 32 is provided with a second perforation 322, through which the hair detector 71 passes.

[0060] The second perforation 322 provides a clearance for the hair detector 71 to pass through the second outer shell 32. This helps to reduce the space occupied by the essential oil atomizing bottle 70 in the second inner shell 20, avoids obstructing the airflow in the second air duct 23, ensures the smooth airflow of the second air duct 23, and facilitates the installation and disassembly of the hair detector 71 according to different user needs.

[0061] In addition, the hair detector 71 is located at the second perforation 322 of the second housing 32. This allows the hair detector 71 to be more accurately aligned with the user's treatment area, improving the reliability of the distance detection between the treatment device 200 and the treatment area or hair. This avoids the treatment device 200 being too far or too close to the treatment area or hair, thus ensuring the effectiveness of the treatment device 200 and avoiding energy waste. Moreover, the hair detector 71 can be used to detect relevant information about hair, such as real-time sensing whether hair is approaching the air outlet 61 during the treatment process, and real-time detection of the distance between the treatment device 200 and the hair. This prevents hair from getting tangled in the air outlet 61 and intelligently adjusts the air volume of the air outlet 61 according to the distance between the treatment device 200 and the hair, thereby improving the intelligent effect of the treatment device 200.

[0062] Specifically, in combination Figure 4 and Figure 9As shown, the main unit 100 also includes a third inner shell and a rotating device 90. The first inner shell 10 is rotatably disposed on the third inner shell, and the rotating device 90 is disposed between the first inner shell 10 and the third inner shell to drive the first inner shell 10 to rotate relative to the third inner shell.

[0063] In other words, the rotating device 90 is positioned between the first inner shell 10 and the third inner shell. This allows the rotating device 90 to serve as a transmission connection between the first inner shell 10 and the third inner shell. When the first inner shell 10 and the third inner shell rotate relative to each other, the rotating device 90 can provide stable power output and transmission support, eliminating the need for manual adjustment by the user and freeing up the user's hands. It also ensures smoothness during rotation and accuracy of the adjustment angle. The rotating device 90 directly drives the first inner shell 10 to rotate relative to the third inner shell, thus achieving the effect of automatically adjusting the position of the air outlet 61 of the nursing device 200 without the need for the user to manually rotate the air outlet 61, thereby improving the convenience of the nursing device 200 and enhancing the user experience.

[0064] Furthermore, combined Figure 9 and Figure 10 As shown, the rotating device 90 includes a rotating motor 91 and a rotating seat 92. The rotating motor 91 has an output shaft 911 and is disposed in one of the first inner shell 10 and the third inner shell. The rotating seat 92 is disposed in the other of the first inner shell 10 and the third inner shell.

[0065] The rotary motor 91 and the rotating seat 92 constitute the main structure of the rotating device 90. The rotary motor 91 is equipped with an output shaft 911. The rotary motor 91 and the rotating seat 92 form a transmission relationship through the output shaft 911. The output shaft 911 can stably and continuously transmit power to the rotating seat 92, thereby ensuring the directness and stability of power transmission and avoiding jamming during the rotation of the rotating device 90. The rotary motor 91 is located in the first inner shell 10, and the rotating seat 92 is located in the third inner shell, or the rotary motor 91 is located in the third inner shell, and the rotating seat 92 is located in the first inner shell 10. The rotating seat 92 and the output shaft 911 are connected by a transmission. This helps to shorten the power transmission path, thereby reducing the loss in the power transmission process, improving the accuracy and response speed of rotation, and making the structure of the rotating device 90 more compact, thus improving the structural compactness.

[0066] According to a second aspect embodiment of the present invention, the nursing device 200 includes a base 201 and a main unit 100 of the nursing device 200 described above, wherein the main unit 100 is disposed on the base 201. The main unit 100 is disposed on the base 201, which provides a stable support for the main unit 100, thereby improving the positional stability of the main unit 100 and ensuring its normal operation.

[0067] According to some optional embodiments of the present invention, in combination Figure 1 and Figure 9 As shown, the nursing device 200 also includes a lifting device 93, which is disposed between the main unit 100 and the base 201 to selectively lift the main unit 100.

[0068] In other words, a lifting device 93 is provided between the main unit 100 and the base 201. The lifting device 93 can adjust the height of the main unit 100, so that the nursing device 200 can adapt to the needs of users with different heights and nursing postures, thereby improving the adaptability and flexibility of the nursing device 200. The base 201 can provide a stable support for the lifting device 93. The power of the lifting device 93 can be directly applied to the main unit 100, thereby ensuring the stability of the main unit 100 during the lifting process. When using the nursing device 200, the lifting device 93 can be raised or lowered according to different user needs, so that the air outlet 61 can be accurately aimed at the user's nursing area, thereby ensuring the nursing effect of the nursing device 200.

[0069] For example, when a user uses the nursing device 200 to blow air onto their head, the user can raise or lower the main unit 100 according to their needs using the lifting device 93, so that the air outlet can be precisely aimed at the head, thereby ensuring the nursing effect of the upright nursing device 200; when the nursing device 200 is not in use, the user can lower the main unit 100 to the lowest position using the lifting device 93, reducing the overall space occupied by the nursing device 200, and also making it easier to store and move the nursing device 200.

[0070] Specifically, the lifting device 93 includes a first rod and a second rod. The first rod is disposed on the base 201 and has a first positioning part. The second rod is disposed on the main unit 100 and is sleeved on the first rod. The second rod is movable relative to the first rod and has a second positioning part. There are multiple of one of the first positioning part and the second positioning part, so that another of the first positioning part and the second positioning part can be positioned and engaged with any one of the first positioning parts.

[0071] It is understandable that the first rod is connected to the base 201, and the second rod is connected to the main unit 100. The first rod and the second rod are sleeved together. The relative movement between the first rod and the second rod can realize the relative movement between the main unit 100 and the base 201. The first rod bears the weight of the main unit 100 and the second rod, and the base 201 can provide stable support for the first rod. This makes the main unit 100 more stable when working. The second rod moves relative to the first rod along the length of the first rod. This can increase or decrease the distance between the main unit 100 and the base 201, thereby achieving a precise height adjustment effect for the main unit 100 and meeting the height adaptation needs of the nursing device 200 in different usage scenarios.

[0072] Furthermore, the coaxial sleeve of the first and second rods creates a directional guiding effect, strictly constraining the lifting trajectory of the second rod and ensuring its coaxiality and smoothness during lifting. This effectively prevents problems such as swaying and jamming during lifting. Simultaneously, the sleeve structure increases the contact area between the rods, effectively improving the overall structural rigidity and load-bearing stability of the lifting device 93. It can stably support the weight of the main unit 100 and adapt to the force requirements of different lifting heights. Moreover, the structure has a clear fit and a simple form, facilitating production and processing.

[0073] In particular, the rigid connection structure between the first and second rods also helps to stabilize the relative rotation between the first and second main bodies, avoiding tilting and swaying problems when the first and second main bodies rotate.

[0074] Furthermore, a first positioning part is provided on the first rod body, and a second positioning part is provided on the second rod body. When the first and second rod bodies move relative to each other to a designated position, the first and second positioning parts engage in positioning cooperation. This allows the main unit 100 to move to the appropriate position, forming a precise locking position between the first and second rod bodies. This ensures the positional stability of the nursing device 200 during operation, prevents the risk of accidental slippage of the main unit 100, and guarantees the operational reliability of the nursing device 200. For example, the first and second positioning parts can be a locking protrusion and a locking buckle, or a through hole and a convex circle, respectively, thus ensuring the positioning cooperation between the first and second positioning parts.

[0075] Optionally, one of the first positioning part and the second positioning part may be multiple, while the other may be a single unit. Taking multiple first positioning parts and a single second positioning part as an example, the multiple first positioning parts are arranged at intervals along the length of the first rod. The second positioning parts are positioned and cooperate with the corresponding first positioning parts according to actual needs. This allows the lifting device 93 to adapt to the needs of different user heights, different care areas, and different care postures, thereby improving the adaptability and flexibility of the care device 200. It also ensures the stability of the lifting device 93, eliminating the need for an additional locking structure and improving the simplicity of the overall structure. For example, the first positioning part can be a positioning hole, and the second positioning part can be a positioning protrusion or a positioning ball.

[0076] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0077] In the description of this invention, "first feature" and "second feature" may include one or more of the features. In the description of this invention, "a plurality of" means two or more. In the description of this invention, "above" or "below" the second feature may include direct contact between the first and second features, or it may include contact between the first and second features not being in direct contact but through another feature between them. In the description of this invention, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicating that the first feature is at a higher horizontal level than the second feature.

[0078] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0079] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A main unit of a nursing device, characterized in that, include: A first inner shell (10) is formed inside the first inner shell (10); The second inner shell (20) includes a first sub-inner shell (21) and a second sub-inner shell (22) disposed opposite to each other. The second sub-inner shell (22) is installed on the first sub-inner shell (21) and forms a second air duct (23) with the first sub-inner shell (21). The first air duct (11) communicates with the second air duct (23). A portion of the first sub-inner shell (21) extends into the first air duct (11) and is installed on the first inner shell (10). The first inner shell (10) and the second inner shell (20) are in a circular arc shape with the same center in the length direction of the host.

2. The main unit of the nursing device according to claim 1, characterized in that, The first inner shell (10) includes a third sub-inner shell (12) and a fourth sub-inner shell (13) disposed opposite to each other. The third sub-inner shell (12) and the fourth sub-inner shell (13) form the first air duct (11). A portion of the first sub-inner shell (21) is respectively installed on the third sub-inner shell (12) and the fourth sub-inner shell (13).

3. The main unit of the nursing device according to claim 2, characterized in that, A slot (14) is formed between the edges of the third sub-inner shell (12) and the fourth sub-inner shell (13), and a portion of the first sub-inner shell (21) includes a plug (211) which is plugged into the slot (14). The host also includes: The first fastener passes through the third sub-inner shell (12), the insertion part (211), and the fourth sub-inner shell (13).

4. The main unit of the nursing device according to claim 3, characterized in that, The first subshell (21) includes: The first main body section (212) is installed on the second sub-inner shell (22). The first protruding section (213) is connected to the first main body section (212) and is disposed in the first air duct (11); The plug-in portion (211) is connected to at least one edge of the first protruding section (213), and the plug-in portion (211) and the first protruding section (213) together constitute a part of the first sub-inner shell (21).

5. The main unit of the nursing device according to claim 4, characterized in that, A limiting step (121) is formed inside the third sub-inner shell (12), and the limiting step (121) abuts against the first protruding section (213).

6. The main unit of the nursing device according to claim 3, characterized in that, One end of the fourth sub-inner shell (13) is formed with a relief groove (131) that communicates with the slot (14), and a part of the second sub-inner shell (22) is disposed in the relief groove (131). The host also includes: The second fastener passes through a portion of the third sub-inner shell (12), the insertion portion (211), and the second sub-inner shell (22).

7. The main unit of the nursing device according to claim 6, characterized in that, The second subshell (22) includes: The second main body section (221) is installed on the first sub-inner shell (21) and a portion of it is disposed in the clearance groove (131). The second protruding section (222) is connected to the second main body section (221) and is disposed in the first air duct (11).

8. The main unit of the nursing device according to any one of claims 1-7, characterized in that, Also includes: An air outlet structure (60) is provided on the second inner shell (20) and has an air outlet (61), which is connected to the second air duct (23).

9. The main unit of the nursing device according to claim 1, characterized in that, The host also includes: The third inner shell, wherein the first inner shell (10) is rotatably disposed within the third inner shell; A rotating device (90) is disposed between the first inner shell (10) and the third inner shell to drive the first inner shell (10) to rotate relative to the third inner shell.

10. The main unit of the nursing device according to claim 9, characterized in that, The rotating device (90) includes: A rotary motor (91) having an output shaft (911) is disposed in one of the first inner shell (10) and the third inner shell; A rotating seat (92) is disposed on the output shaft (911) and on the other side of the first inner shell (10) and the third inner shell.

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