Air nozzle structure and hair care equipment

Abstract

The utility model discloses an air nozzle structure and hair care equipment. The tuyere structure comprises a shell body, a tuyere cover plate and an air guide part, the shell body is annular, an inner cavity of the shell body forms a shell cavity, and the two ends, in the axial direction, of the shell cavity are the air inlet end and the air outlet end correspondingly; the tuyere cover plate covers the air outlet end of the shell cavity and is suitable for communicating the shell cavity with the outside; the air guide part is arranged at the air inlet end of the shell cavity and used for guiding airflow entering the shell cavity from the air inlet end of the shell cavity to the direction of the inner side wall of the shell cavity. And the air flow flows along the inner side wall of the shell cavity so as to be gathered at the edge area of the tuyere cover plate, and then flows towards the central area of the tuyere cover plate. According to the technical scheme provided by the utility model, the air outlet is more uniform, and the hair blowing experience of a user is better.

Description

Technical Field

[0001] This utility model relates to the technical field of small household appliances, specifically to a nozzle structure and hair care device. Background Art

[0002] Hair care devices such as hair dryers, hair conditioning machines, and hair oil diffusers use a fixed-direction airflow to dry, condition, or scent hair. These devices create different airflow patterns by changing the nozzle structure to meet the needs of different hair types. Traditional nozzles have an inlet and an outlet. Airflow enters the nozzle from the inlet and then flows to the hair from the outlet. Since one end of the inlet connects to the main unit of the hair care device, its size is generally less affected by the size of the main unit, while the outlet can be relatively larger for rapid drying over a large area. When airflow travels from the smaller inlet to the larger outlet, it generally flows forward along the direction of the inlet. The airflow is relatively strong in the central area opposite the inlet at the outlet, while the airflow is relatively weaker around the perimeter, resulting in uneven airflow. This uneven airflow affects the drying effect and the user experience. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, the main purpose of this utility model is to provide a nozzle structure and hair care device, which aims to solve the problem of uneven airflow in traditional nozzle structures, which affects the blowing effect and the user's experience.

[0004] To achieve the above objectives, this utility model proposes a nozzle structure, comprising:

[0005] The shell body is annular with an inner cavity forming a shell cavity, and the two ends of the shell cavity along its axial direction are the air inlet and the air outlet, respectively.

[0006] A nozzle cover is provided on the air outlet end of the housing cavity and is adapted to connect the housing cavity with the outside.

[0007] An air guide is provided at the air inlet end of the housing cavity. The air guide is used to guide the airflow entering the housing cavity from the air inlet end towards the inner wall of the housing cavity, so that the airflow flows along the inner wall of the housing cavity and gathers at the edge area of ​​the air nozzle cover plate, and then flows towards the center area of ​​the air nozzle cover plate.

[0008] Optionally, the air inlet end of the shell body is provided with an air inlet hole, and the air guide is located at the end of the air inlet hole near the shell cavity, and the shape of the air guide is adapted to the shape of the inner sidewall of the shell cavity.

[0009] Optionally, an air guide ring is provided on the inner side of the air inlet, and the gap between the air guide ring and the air inlet forms an air passage, with the air guide portion located downstream of the air guide ring.

[0010] Optionally, the air guide ring is connected to the air inlet through multiple connecting ribs, and the multiple connecting ribs are arranged at intervals along the circumference of the air inlet;

[0011] The air guide section includes multiple air guide vanes, and the multiple air guide vanes and multiple connecting ribs are arranged sequentially at intervals along the circumference of the air inlet. The inner sidewall of the shell cavity is arc-shaped, and each air guide vane is arc-shaped to match the inner sidewall of the shell cavity.

[0012] Optionally, the shell body includes an outer shell and an inner shell connected together, and a plurality of reinforcing ribs protruding from the outer side of the inner shell. The air inlet is provided on the outer shell, and the plurality of reinforcing ribs are located in the interlayer between the outer shell and the inner shell and abut against the outer shell and the inner shell. The air nozzle cover is provided on the air outlet end of the inner shell and the outer shell and closes the interlayer.

[0013] Optionally, the nozzle cover is recessed into the cavity on at least one side facing the cavity.

[0014] Optionally, the nozzle cover includes a connecting part and an air outlet part. The connecting part is located on the outer periphery of the air outlet part and is connected to the shell body. The air outlet part is arc-shaped and recessed towards the shell cavity.

[0015] Optionally, the connecting part is provided with multiple air outlets. The air outlets on the same annular surface are grouped together, and the multiple groups of air outlets are arranged in a ring shape, sequentially from the center of the air outlet part to the edge.

[0016] Optionally, the connecting portion has multiple air guide nozzles protruding from the side opposite to the shell cavity, all of which are connected to the shell cavity and extend axially along the shell cavity; and / or,

[0017] Multiple air guide nozzles located on the same annular surface form a group, each air guide nozzle having an opening, and the openings on adjacent groups of air guide nozzles are arranged opposite to each other.

[0018] This utility model also provides a hair care device, including the above-described nozzle structure.

[0019] The technical solution provided by this utility model has the following beneficial effects:

[0020] The nozzle structure provided by this utility model includes a shell body, a nozzle cover plate, and an air guide section. A shell cavity is formed within the shell body, allowing airflow entering through the inlet end to flow within the cavity and exit through the outlet end, blowing onto the hair. The nozzle cover plate covers the outlet end of the shell cavity, and by providing air outlet holes or air guide nozzles on the cover plate, the airflow can flow out according to the arrangement of the air outlet holes, forming an airflow in a preset direction. Furthermore, the air outlet holes or air guide nozzles can form equally divided bundles of airflow, resulting in better comfort when blowing onto the hair. An air guide section is provided at the inlet end to guide the airflow from the shell cavity... The airflow entering the cavity through the air inlet is guided towards the inner wall of the cavity, causing the airflow to flow along the inner wall of the cavity and converge at the edge area of ​​the nozzle cover before flowing towards the center area of ​​the nozzle cover. By converging the airflow at the edge area of ​​the nozzle cover, when the airflow around the nozzle cover reaches a certain amount, the airflow around the periphery can flow evenly towards the center area, allowing the airflow to better cover both the edge and center areas of the nozzle cover, resulting in a more uniform airflow distribution. Therefore, airflow can flow out from the air outlets in each area of ​​the nozzle cover, resulting in more uniform airflow and a better hair drying experience for the user. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0022] Figure 1 A schematic diagram of an embodiment of the nozzle structure provided by this utility model;

[0023] Figure 2 for Figure 1 Another structural diagram of the nozzle structure described above;

[0024] Figure 3 for Figure 1 An exploded structural diagram of the nozzle structure described above;

[0025] Figure 4 for Figure 1 A cross-sectional structural diagram of the nozzle structure described herein;

[0026] Figure 5 for Figure 4 A magnified structural diagram of detail A.

[0027] Explanation of icon numbers:

[0028] 100-Air nozzle structure; 1-Shell body; 11-Shell cavity; 12-Outer shell; 121-Air inlet; 122-Air guide ring; 123-Connecting rib; 124-Snap-fit ​​protrusion; 13-Inner shell; 14-Reinforcing rib; 2-Air nozzle cover plate; 21-Connecting part; 211-Snap-fit ​​groove; 22-Air outlet; 221-Air outlet; 222-Air guide nozzle; 3-Air guide part; 31-Air guide plate.

[0029] The realization of the purpose, functional characteristics and excellent effects of this utility model will be further explained below in conjunction with specific embodiments and accompanying drawings. DETAILED DESCRIPTION

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] It should be noted that if the embodiments of this utility model involve directional indication, the directional indication is only used to explain the relative positional relationship and movement of each component in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0032] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0033] This utility model provides a nozzle structure 100, which is applicable to hair care devices. These devices can be used, but are not limited to, for drying, conditioning, or aromatherapy of human or animal hair. For ease of explanation, the following description uses a hair care device for blow-drying hair as an example. The airflow in the nozzle structure 100 originates from the main unit of the hair care device. After the airflow is generated by the main unit and enters the nozzle structure 100, it forms an airflow in a preset direction to blow onto the hair.

[0034] Specifically, please refer to Figures 1 to 2 In this embodiment, the nozzle structure 100 includes a shell body 1, a nozzle cover plate 2, and an air guide 3. The shell body 1 is annular with an inner cavity forming a shell cavity 11. The two ends of the shell cavity 11 along its axial direction are an air inlet and an air outlet, respectively. The nozzle cover plate 2 is placed on the air outlet of the shell cavity 11 and is adapted to connect the shell cavity 11 with the outside. The air guide 3 is disposed at the air inlet of the shell cavity 11. The air guide 3 is used to guide the airflow entering the shell cavity 11 from the air inlet towards the inner wall of the shell cavity 11, so that the airflow flows along the inner wall of the shell cavity 11 and gathers at the edge area of ​​the nozzle cover plate 2 before flowing towards the center area of ​​the nozzle cover plate 2.

[0035] In this embodiment, a shell cavity 11 is formed within the shell body 1. Airflow entering through the air inlet of the shell cavity 11 can flow within the shell cavity 11 and then flow out through the air outlet of the shell cavity 11, blowing onto the hair. The air outlet of the shell cavity 11 is covered by the nozzle cover plate 2, and air outlet holes 221 or air guides 222 are provided on the nozzle cover plate 2 so that the airflow can flow out according to the arrangement of the air outlet holes 221 to form an airflow in a preset direction. Moreover, the air outlet holes 221 or air guides 222 can form the airflow into equally divided bundles of airflow, resulting in better comfort when blowing onto the hair. Furthermore, an air guide section 3 is provided at the air inlet, which is used to guide the airflow from the shell cavity 11... The airflow entering the cavity 11 from the air inlet is guided toward the inner wall of the cavity 11, so that the airflow flows along the inner wall of the cavity 11 and gathers at the edge area of ​​the nozzle cover 2, and then flows toward the center area of ​​the nozzle cover 2. By allowing the airflow to gather at the edge area of ​​the nozzle cover 2, when the airflow around the nozzle cover 2 reaches a certain amount, the airflow around the periphery can flow toward the center area, so that the airflow can better cover the edge area and the center area of ​​the nozzle cover 2, and the airflow distribution is more uniform. Therefore, the air outlets 221 on each area of ​​the nozzle cover 2 can all have airflow, so that the airflow is more uniform and the user's hair drying experience is better.

[0036] Among them, such as Figure 1 and Figure 3As shown, the shell body 1 is generally bowl-shaped, with its smaller end forming an air inlet. An air inlet hole 121 is provided at the air inlet end of the shell body 1, and its larger end forming an air outlet. Specifically, the shell body 1 includes a connected outer shell 12 and an inner shell 13, and multiple reinforcing ribs 14 protruding from the outer side of the inner shell 13. The shapes of the outer shell 12 and the inner shell 13 are adapted to each other and are both generally bowl-shaped. The inner shell 13 is located inside the outer shell 12 and forms a sandwich between them. The multiple reinforcing ribs 14 are located within the sandwich, and the inner side of the inner shell 13 forms the shell cavity 11. It should be noted that the outer and inner sides here are relative to the shell body 1 itself; the center of the shell body 1 is considered the inner side, and the direction from the center to the edge area is considered the outer side. By forming a double-layer structure between the outer shell 12 and the inner shell 13, the strength of the shell body 1 is improved. Furthermore, the hollow interlayer between the outer shell 12 and the inner shell 13 reduces the weight of the shell body 1 and isolates heat from the outer shell 12, preventing it from overheating. The air inlet 121 is located on the outer shell 12, and the nozzle cover 2 covers the air inlet ends of the inner shell 13 and the outer shell 12, effectively sealing the interlayer to prevent debris from entering. Multiple reinforcing ribs 14 are located within the interlayer between the outer shell 12 and the inner shell 13, abutting against them. While ensuring better strength and lighter weight for the shell body 1, the multiple reinforcing ribs 14 further enhance its strength, thus ensuring better quality of the nozzle structure 100.

[0037] The outer shell 12 and the inner shell 13 are fixedly connected relative to each other. Preferably, a protruding post is provided on one side of the air inlet 121 of the outer shell 12, and a slot is provided at the end of the air inlet of the inner shell 13. The outer shell 12 and the inner shell 13 are fixedly connected by the engagement of the protruding post and the slot, which makes it easier to assemble and disassemble the outer shell 12 and the inner shell 13.

[0038] In other embodiments, the plurality of reinforcing ribs 14 may also be a single component, abutting between the outer shell 12 and the inner shell 13. Alternatively, the plurality of reinforcing ribs 14 may protrude from the inner side of the outer shell 12, similarly abutting between the outer shell 12 and the inner shell 13, to enhance the strength of the outer shell 12 and the inner shell 13.

[0039] The air guide 3 is mainly used to guide the airflow entering from the air inlet towards the inner wall of the cavity 11, so that the airflow can be better concentrated in the edge area of ​​the nozzle cover 2. Preferably, it is combined with Figures 2 to 4As shown, the air guide 3 is located at one end of the air inlet 121 near the cavity 11, and the shape of the air guide 3 is adapted to the shape of the inner wall of the cavity 11. This allows the airflow, after entering through the air inlet 121, to change its direction of entry into the cavity 11 at the end of the air inlet 121 via the air guide 3, so that the airflow can flow along the air guide 3 towards the inner wall of the cavity 11. Furthermore, the adaptation of the air guide 3 to the shape of the inner wall of the cavity 11 allows the airflow to flow more effectively along the inner wall of the cavity 11 after reaching it.

[0040] Furthermore, such as Figure 2 and Figure 3 As shown, an air guide ring 122 is provided inside the air inlet 121. The gap between the air guide ring 122 and the air inlet 121 forms an air passage. The air guide part 3 is located downstream of the air guide ring 122. The air guide ring 122 is annularly arranged, located inside the air inlet 121, and coaxially arranged with the air inlet 121. The air guide ring 122 can be connected to the main unit of the hair care device, combined with... Figure 4 As shown, Figure 4 The dashed arrows represent the airflow direction. The airflow generated by the main unit can enter the shell cavity 11 through the air passage between the air guide ring 122 and the air inlet 121. In the direction of airflow, the air guide 3 is located downstream of the air guide ring 122, so that after the airflow passes through the air guide ring 122, it can flow to the inner wall of the shell cavity 11 under the guidance of the air guide 3, and flow along the inner wall of the shell cavity 11 towards the edge area of ​​the nozzle cover plate 2. Under the action of airflow concentration, the airflow can flow towards the middle area of ​​the nozzle cover plate 2, and the airflow can be better distributed in all parts of the nozzle cover plate 2, thereby making the exhaust more uniform.

[0041] Furthermore, such as Figure 2As shown, the air guide ring 122 is connected to the air inlet 121 via multiple connecting ribs 123. The multiple connecting ribs 123 are spaced apart circumferentially along the air inlet 121 to ensure a reliable and stable connection between the air guide ring 122 and the air inlet 121. The air guide section 3 includes multiple air guide vanes 31, which are sequentially spaced apart from the multiple connecting ribs 123 circumferentially along the air inlet 121. The inner wall of the cavity 11 is arc-shaped, and each air guide vane 31 is arc-shaped to match the inner wall of the cavity 11, allowing the airflow to flow better along the inner wall after reaching it. The multiple connecting ribs 123 divide the air passage into multiple air inlet areas. Therefore, the air guide vanes 31 are arranged corresponding to multiple air inlet areas to ensure that the airflow flows evenly towards the inner wall of the cavity 11, resulting in a more uniform airflow distribution. The length of each air guide 31 can be adapted to the length of the shell body 1, and is not specifically limited here.

[0042] The nozzle cover 2 is used to seal the cavity 11 and define the air outlet position. Preferably, as follows: Figure 4 As shown, the nozzle cover 2 is recessed into the cavity 11 at least on one side. This allows airflow to better exit from the edge of the nozzle cover 2 into the central area of ​​the nozzle cover 2, ensuring a more uniform airflow throughout the nozzle cover 2, resulting in more even airflow.

[0043] Furthermore, preferably, the outer shape of the nozzle cover 2 is the same as the inner shape, and the entire nozzle cover 2 is generally concave, so that the airflow has a better converging effect when it flows out from the outer side of the nozzle cover 2.

[0044] Among them, such as Figure 4 As shown, the nozzle cover 2 includes a connecting portion 21 and an air outlet portion 22. The connecting portion 21 is located on the outer periphery of the air outlet portion 22 and is connected to the housing body 1. The air outlet portion 22 is arc-shaped and recessed towards the housing cavity 11. Multiple air outlet holes 221 are provided on the air outlet portion 22 to ensure a larger air outlet area and more uniform air outlet. The nozzle cover 2 can be fixed to the housing body 1 through the connecting portion 21. Specifically, combined with Figure 4 and Figure 5As shown, a snap-fit ​​protrusion 124 is provided on the inner sidewall of the outer shell 12. The snap-fit ​​protrusion 124 is located near the end of the air outlet of the outer shell 12. The connecting part 21 includes a first connecting section and a second connecting section connected to each other. The first connecting section is connected to the air outlet 22 and is pressed against the end of the air outlet of the inner shell 13. The second connecting section extends outward from the first connecting section to cover the end of the air outlet of the outer shell 12. A snap-fit ​​groove 211 is provided on the second connecting section. The snap-fit ​​protrusion 124 and the snap-fit ​​groove 211 engage with each other, thereby fixing the nozzle cover 2 to the outer shell 12 and simultaneously sealing the interlayer between the outer shell 12 and the inner shell 13. The assembly of the entire nozzle structure 100 does not require screw connection and fixation, making assembly more convenient and reducing costs.

[0045] The air outlets 221 located on the same annular surface are grouped together. The multiple groups of air outlets 221 are arranged in a ring shape and are arranged sequentially from the center of the air outlet 22 towards the edge. The arrangement of the multiple air outlets 221 is more uniform, resulting in more uniform airflow.

[0046] Furthermore, a plurality of air guide nozzles 222 are protruding from the side of the connecting part 21 facing away from the shell cavity 11. The plurality of air guide nozzles 222 are all connected to the shell cavity 11 and are all extended along the axial direction of the shell cavity 11. The air volume of each air guide nozzle 222 is greater than the air volume of each air outlet 221. A larger airflow can be formed through the plurality of air guide nozzles 222. Thus, by the cross arrangement of large and small air volumes, turbulence is formed. The airflow can blow into the depths of the hair, making the hair more fluffy, while the airflow is more even and the hair drying effect is better.

[0047] Furthermore, such as Figure 1 As shown, multiple air guide nozzles 222 on the same annular surface form a group, each air guide nozzle 222 is provided with an opening, and the openings on two adjacent groups of air guide nozzles 222 are arranged opposite to each other so that the airflow formed in all directions of the circumference is more consistent.

[0048] This utility model also provides a hair care device, which can be configured as a hair dryer, hair care machine, or hair oil aromatherapy diffuser, or a multi-functional hair care machine that can dry, condition, and diffuse. The hair care device includes a main unit and the aforementioned nozzle structure 100 detachably connected to the main unit. The main unit generates airflow, which can carry essential oils or aromatherapy products, allowing the airflow to be better directed onto the hair by the nozzle structure 100, thus drying and conditioning the hair simultaneously. Depending on the user's needs, each main unit can be equipped with multiple nozzle structures 100. By varying the position and number of different air outlets 221 or air guides 222 on each nozzle structure 100, the airflow or direction can be changed, making the hair care device more versatile and able to meet the needs of more users.

[0049] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structure made using the contents of the present utility model specification and drawings, or directly or indirectly applied to other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A nozzle structure, characterized in that, include: The shell body is annular with an inner cavity forming a shell cavity. The two ends of the shell cavity along its axial direction are an air inlet and an air outlet, respectively. An air inlet hole is provided at the air inlet end of the shell body. An air guide ring is provided on the inner side of the air inlet hole. The air guide ring is connected to the air inlet hole by multiple connecting ribs. The multiple connecting ribs are arranged at intervals along the circumference of the air inlet hole. A nozzle cover is provided on the air outlet end of the housing cavity and is adapted to connect the housing cavity with the outside. An air guide is provided at the air inlet end of the shell cavity. The air guide is used to guide the airflow entering the shell cavity from the air inlet end of the shell cavity toward the inner wall of the shell cavity, so that the airflow flows along the inner wall of the shell cavity and gathers at the edge area of ​​the air nozzle cover plate and then flows toward the center area of ​​the air nozzle cover plate. The air guide section includes multiple air guide vanes, and the multiple air guide vanes and multiple connecting ribs are arranged sequentially at intervals along the circumference of the air inlet hole to ensure that the airflow can flow evenly toward the inner wall of the shell cavity.

2. The nozzle structure as described in claim 1, characterized in that, The air guide is located at one end of the air inlet near the cavity, and the shape of the air guide is adapted to the shape of the inner wall of the cavity.

3. The nozzle structure as described in claim 2, characterized in that, The gap between the air guide ring and the air inlet hole forms an air passage, and the air guide part is located downstream of the air guide ring.

4. The nozzle structure as described in claim 3, characterized in that, The inner wall of the shell cavity is arc-shaped, and each of the air guide vanes is arc-shaped to match the inner wall of the shell cavity.

5. The nozzle structure as described in claim 2, characterized in that, The shell body includes an outer shell and an inner shell connected together, and a plurality of reinforcing ribs protruding from the outer side of the inner shell. The air inlet is provided on the outer shell. The plurality of reinforcing ribs are located in the interlayer between the outer shell and the inner shell and abut against the outer shell and the inner shell. The air nozzle cover is provided on the air outlet end of the inner shell and the outer shell and closes the interlayer.

6. The nozzle structure as described in claim 1, characterized in that, The nozzle cover is recessed into the cavity on at least one side facing the cavity.

7. The nozzle structure as described in claim 1, characterized in that, The nozzle cover includes a connecting part and an air outlet part. The connecting part is located on the outer periphery of the air outlet part and is connected to the shell body. The air outlet part is arc-shaped and recessed towards the shell cavity.

8. The nozzle structure as described in claim 7, characterized in that, The connecting part is provided with multiple air outlets. The air outlets on the same annular surface are grouped together. The multiple groups of air outlets are arranged in a ring shape and are arranged sequentially from the center of the air outlet part to the edge.

9. The nozzle structure as described in claim 7, characterized in that, The connecting portion protrudes from the side opposite to the shell cavity and is provided with multiple air guide nozzles, all of which are connected to the shell cavity and extend along the axial direction of the shell cavity; and / or, Multiple air guide nozzles located on the same annular surface form a group, each air guide nozzle having an opening, and the openings on adjacent groups of air guide nozzles are arranged opposite to each other.

10. A hair care device, characterized in that, Includes the nozzle structure as described in any one of claims 1 to 9.

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