Hair care appliance

Abstract

The utility model provides a hair care appliance, and relates to the technical field of hairdressing tools. The first shell is provided with a backflow part used for airflow backflow, the backflow part is arranged below the second shell, the first shell is provided with a first baffle, the first baffle is located above the ventilation hole, and the first baffle extends from the inner wall of the first shell to the second shell. And air flow entering the first channel enters the second shell under the action of the first baffle and the backflow part. Through the arrangement, a backflow channel can be formed in the shell, so that airflow at the airflow inlet is driven to flow, and the effect of increasing the air volume is achieved; the ventilation hole is located below the heating unit, after the airflow enters the shell, the airflow which is not heated by the heating unit enters the first channel through the ventilation hole, the normal-temperature airflow flows on the outer sides of the heating unit and the fan unit, and the temperature rise of the handle can also be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of hairdressing tools, in particular to a hair care appliance. Background Art

[0002] As people's pursuit of hairstyling efficiency and hair care results continues to increase, hair care appliances are becoming increasingly popular in the market. Hair care appliances are tools that deliver airflow or heat while styling hair. Combining the styling functions of a traditional styler with the drying capabilities of a hair dryer, they allow users to simultaneously style and dry their hair, significantly improving hairstyling efficiency.

[0003] For hair care devices that can be heated, the fan unit is located below the heating unit, the air outlet is located above the heating unit, and the air duct runs through the body. Because the heating unit is located within the handle, it generates heat when it is in operation, causing the temperature of the handle grip to rise. The fan unit also generates some heat when it is in operation. Therefore, the grip of the hair care device can easily become hot after prolonged use. Utility Model Content

[0004] In order to solve the technical problem in the prior art that the holding position of hair care devices becomes hot due to prolonged use, the utility model provides a hair care device. By adding an opening upstream of the heating unit and a return flow structure at the tail end of the handle shell, part of the airflow in the main air duct is used for heat dissipation and can flow back into the main air duct, thereby achieving the effect of increasing the air intake volume, and at the same time using part of the airflow to cool the holding position of the device body.

[0005] A hair care appliance comprises a handle and a blowing part, a fan unit and a heating unit connected to the handle, wherein the handle is provided with an air flow inlet, the blowing part has an air flow outlet, the handle comprises a first shell and a second shell, the fan unit is arranged inside the second shell, and when the fan unit operates, external air flows from the air flow inlet into the second shell, passes through the fan unit and the heating unit in sequence, and is discharged from the air flow outlet, a first channel is formed between the first shell and the second shell, a ventilation hole is provided on the second shell, the ventilation hole is located below the heating unit, and part of the air flow entering the second shell enters the first channel through the ventilation hole.

[0006] In which, the first shell is provided with a reflux portion for air flow reflux, and the reflux portion is provided below the second shell. The first shell is provided with a first baffle, and the first baffle is located above the ventilation hole. The first baffle extends from the inner wall of the first shell to the second shell. The airflow entering the first channel enters the interior of the second shell under the action of the first baffle and the reflux portion.

[0007] The advantage is that such a setting forms a reflux path, and the air flows into the first path from the ventilation hole, and flows back into the second shell under the action of the reflux part, driving the air flow at the air inlet, thereby achieving the effect of increasing the air volume; and the ventilation hole is located below the heating unit. After the air flow enters the inside of the shell, the air flow that has not been heated by the heating unit enters the first channel through the ventilation hole, so that the normal temperature air flow flows on the outside of the heating unit and the fan unit, which can also reduce the temperature rise of the handle.

[0008] Preferably, the heating unit includes a heating portion and a bracket portion connected to the heating portion, and the first baffle is located below the heating portion.

[0009] The advantage is that the heat from the heating element will heat up the second and first housings. If the airflow in the first channel heats up and flows back into the second housing, the hot airflow will damage the motor and shorten its lifespan. This arrangement prevents heat from the heating element from entering the first channel, thereby preventing the heated airflow from flowing back into the second housing, thus extending the lifespan of the motor.

[0010] Preferably, the fan unit is located between the first baffle and the return portion, and the fan unit is located below the ventilation hole.

[0011] The advantage is that such a setting can make the return air flow flow to the ventilation hole again under the action of the fan unit, accelerate the air flow circulation in the return path, reduce the temperature rise of the fan unit when it is working, and extend the life of the fan unit.

[0012] Preferably, the reflux portion is integrally formed with the first shell, and the reflux portion extends from the first shell in a direction perpendicular to the axis of the handle, extends to the bottom of the second shell and then extends upward, and the end of the reflux portion away from the side wall of the first shell intersects with the second shell.

[0013] The advantage is that the return part is integrally formed with the first shell, which can reduce the difficulty of assembly and improve assembly efficiency; the return part intersects with the second shell, ensuring that the airflow in the first channel can enter the second shell and merge into the main air duct (the channel defined by the second shell).

[0014] Preferably, the first baffle is integrally formed with the first shell, the first baffle abuts against the side wall of the second shell, the first shell, the second shell, and the first baffle define the first channel, and the first channel is located below the first baffle.

[0015] The advantage is that the first baffle and the return part are integrally formed, which can reduce the difficulty of assembly and improve the assembly efficiency; the first baffle is abutted against the side wall of the second shell, and the airflow enters the first channel from the ventilation hole, and flows back to the return part under the action of the first baffle, and then enters the interior of the second shell. The trajectory of the airflow is the path of the return channel. Such a setting can accelerate the airflow circulation in the first channel, ensure heat dissipation while increasing the air volume of the main air duct.

[0016] Preferably, a second channel is formed between the first shell and the second shell, the second channel is located above the first baffle and extends along the longitudinal axis of the handle, and an air hole is provided on the first baffle, and part of the airflow of the first channel enters the second channel through the air hole.

[0017] The advantage is that the second channel is a heat-insulating channel, and part of the airflow in the first channel enters the second channel. The part of the airflow is the airflow that has not been heated by the heating part. Therefore, part of the airflow enters the second channel, which can reduce the temperature of the surface of the first shell, that is, reduce the temperature rise of the surface of the first shell caused by the heating unit, and improve the user experience.

[0018] Preferably, the second shell includes an inclined portion, the ventilation hole is provided on the inclined portion, and the inclined portion is in a gradually shrinking trumpet shape along the direction of airflow.

[0019] The advantage is that by making the inclined portion gradually shrink in the direction of air flow, the flow rate of the air flow in the second shell is increased; by arranging the ventilation holes on the aforementioned inclined portion, the wind resistance is reduced, thereby reducing the air volume loss.

[0020] Preferably, the second shell includes a heat insulation section and an air inlet section, the heat insulation section is located above the air inlet section, the heating unit and part of the fan unit are located in the heat insulation section, and the other part of the fan unit is located in the air inlet section. A first clip is provided on one of the heat insulation section and the air inlet section, and a first slot matching the first clip is provided on the other. The first clip is located at the lower end of the heat insulation section.

[0021] The advantage is that the heat-insulating section and the connecting section are fastened together by snaps, which is beneficial to the tightness of the structure.

[0022] Preferably, a third shell is provided in the blowing part, and part of the third shell extends into the first shell and wraps the second shell. The wrapped part of the second shell is a connecting section, and the connecting section is integrally connected to the insulation section. The connecting section is located at the upper part of the insulation section.

[0023] The advantage is that such a setting can achieve a reliable connection between the handle and the blowing part. The third shell is inserted into the interior of the first shell, and the connecting section and the inner side wall of the third shell are interference fit, abutting against each other and restricting each other, thereby increasing the force area between the handle and the blowing part, ensuring a stable connection, and avoiding the phenomenon of easy falling off between the handle and the blowing part.

[0024] Preferably, the handle further includes an air inlet cover, the air flow inlet is arranged on the air inlet cover, the air inlet cover is detachably connected to the first shell, and the return portion is located above the air inlet cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the hair care appliance of the present invention.

[0026] Figure 2 It is a cross-sectional view of the entire hair care device of the present invention.

[0027] Figure 3 It is an exploded view of the hair care appliance of the present invention.

[0028] Figure 4 This is an axial cross-sectional view of the handle of the hair care device of the present invention.

[0029] Figure 5 It is a structural schematic diagram of the second shell of the hair care device of the present invention.

[0030] Figure 6 This is the AA cross-section view.

[0031] 100. Handle; 101. Blowing part; 1. First shell; 1101. First left shell; 1102. First right shell; 2. Second shell; 201. Heat insulation section; 202. Air inlet section; 203. Connecting section; 3. Fan unit; 4. Heating unit; 401. Heating part; 402. Bracket; 5. Air inlet; 6. Air outlet; 7. First channel; 8. Ventilation hole; 9. Return part; 10. First baffle; 11. Second channel; 12. Air hole; 13. Slant part; 1401. First buckle; 1402. First slot; 15. Third shell; 1601. Second buckle; 1602. Second slot; 17. Air inlet cover. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0034] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0035] like Figure 1-6 As shown, a hair care appliance includes a handle 100 and a blowing part 101 connected to the handle, a fan unit 3 and a heating unit 4. The handle 100 is provided with an air flow inlet 5, and the blowing part 2 has an air flow outlet 6. The handle 1 includes a first shell 1 and a second shell 2. The fan unit 3 is arranged inside the second shell 2. When the fan unit 3 works, external air flows from the air flow inlet 5 into the second shell 2, passes through the fan unit 3 and the heating unit 4 in sequence, and is discharged from the air flow outlet 6. A first channel 7 is formed between the first shell 1 and the second shell 2. A ventilation hole 8 is provided on the second shell 2. The ventilation hole 8 is located below the heating unit 4. Part of the air flow entering the second shell 2 enters the first channel 7 through the ventilation hole 8.

[0036] In which, the first shell 1 is provided with a reflux portion 9 for air flow reflux, and the reflux portion is arranged below the second shell 2. The first shell 1 is provided with a first baffle 10, and the first baffle 10 is located above the ventilation hole 8. The first baffle 10 extends from the inner wall of the first shell 1 to the second shell 2. The airflow entering the first channel 7 enters the interior of the second shell 2 under the action of the first baffle 10 and the reflux portion 9.

[0037] In the above technical solution, if Figure 2 、 4As shown, the air flow enters the first channel 7 from the ventilation hole 8, flows back to the reflux portion 9 under the action of the first baffle 10, and then enters the interior of the second shell 2, driving the air flow at the air flow inlet 5. The trajectory of the air flow is the path of the reflux channel. Such a setting can increase the air duct circulation in the reflux channel, thereby increasing the air volume; and the ventilation hole 8 is located below the heating unit 4. After the air flow enters the interior of the shell, the air flow that has not been heated by the heating unit 4 enters the first channel 7 through the ventilation hole 8, so that the normal temperature air flow flows on the outside of the heating unit 4 and the fan unit 3, which can also reduce the temperature rise of the handle.

[0038] Further, such as Figure 2 、 4 As shown, the return portion 9 is integrally formed with the first housing 1. It extends from the first housing 1 in a direction perpendicular to the axis of the handle 100, extends below the second housing 2, and then extends upward. The end of the return portion 9 away from the side wall of the first housing 1 intersects with the second housing 2. This integral formation of the return portion 9 with the first housing 1 reduces assembly difficulty and improves assembly efficiency. Furthermore, the intersection of the return portion 9 with the second housing 2 ensures that the airflow from the first channel 7 can enter the second housing 2 and merge into the main air duct (the channel defined by the second housing 2).

[0039] Further, such as Figure 2 、 4 As shown, the first baffle 10 is integrally formed with the first shell 1, and the first baffle 10 abuts against the side wall of the second shell 2. The first shell 1, the second shell 2, and the first baffle 10 define the first channel 7, and the first channel 7 is located below the first baffle 10. The first baffle 10 is integrally formed with the first shell 1. This arrangement facilitates assembly and improves the assembly rate. In addition, the first baffle abuts against the side wall of the second shell 2. Airflow enters the first channel 7 from the ventilation hole 8, flows back to the return portion 9 under the action of the first baffle 10, and then enters the second shell 2 and merges into the main air duct. This arrangement can accelerate the airflow circulation in the first channel 7, ensuring heat dissipation while increasing the air volume in the main air duct.

[0040] It can be understood that there is a certain gap between the first baffle 10 and the side wall of the second shell 2. When the airflow enters the second channel 11, a part of it is blocked and flows back.

[0041] Further, such as Figure 2 、 4As shown, a second channel 11 is formed between the first shell 1 and the second shell 2. The second channel 11 is located above the first baffle 10 and extends along the longitudinal axis of the handle 100. An air hole 12 is provided on the first baffle 10. Part of the airflow of the first channel 7 enters the second channel 11 through the air hole 12.

[0042] Furthermore, the second channel 11 is a heat-insulating channel. The airflow that is not heated by the heating part enters the second channel 11, which can reduce the temperature of the surface of the first shell 1 and increase the service life of the hair care appliance.

[0043] like Figure 2 、 3 As shown, the heating unit 4 includes a heating portion 401 and a bracket portion 402 connected to the heating portion 401. The first baffle 10 is located below the heating portion 401. This arrangement can isolate the heat generated by the heating portion 401 and prevent the heat generated by the heating portion 401 from entering the first channel 7, thereby preventing the heated air flow from flowing back to the second channel 11 and causing damage to the motor, thereby delaying the service life of the motor.

[0044] Furthermore, the bracket portion 402 is located between the heating portion 401 and the fan unit 3 .

[0045] Furthermore, the fan unit 3 is located between the first baffle 10 and the return portion 9 , and the fan unit 3 is located below the ventilation hole 8 .

[0046] Such an arrangement enables the reflux airflow to flow to the ventilation hole 8 again under the action of the fan unit 3, accelerates the airflow circulation in the reflux path, reduces the temperature rise of the fan unit 3 during operation, and extends the service life of the fan unit 3.

[0047] like Figure 2 、 4 The second shell includes an inclined portion 13, and the ventilation hole 8 is provided on the inclined portion 13. The inclined portion 13 gradually approaches the longitudinal axis of the handle 100 along the direction of airflow and presents a gradually shrinking trumpet shape.

[0048] By so configuring, the inclined portion 13 is formed into a gradually shrinking trumpet shape along the direction of the airflow, thereby increasing the velocity of the airflow in the second shell 2; and the ventilation holes 8 are provided on the aforementioned inclined portion 13, thereby reducing wind resistance and thereby reducing air volume loss.

[0049] like Figure 2 、 4As shown in Figure 5, the second shell 2 includes a heat insulation section 201 and an air inlet section 202, the heat insulation section 201 is located above the air inlet section 202, the heating unit 4 and part of the fan unit 3 are located in the heat insulation section 201, and the other part of the fan unit 3 is located in the air inlet section 202. A first clip 1401 is provided on one of the heat insulation section 201 and the air inlet section 202, and a first slot 1402 matching the first clip 1401 is provided on the other. The first clip 1401 is located at the lower end of the heat insulation section 201.

[0050] As can be understood, the first buckle 1401 on the heat-insulating section 201 cooperates with the first slot 1402 on the air inlet section 202. This arrangement ensures that the heat-insulating section 201 and the air inlet section 202 are fixedly connected and assembled reliably. Furthermore, there are multiple first buckles 1401 and first slots 1402, each of which is provided at the connection between the heat-insulating section 401 and the air inlet section 402.

[0051] like Figure 2 As shown, a third shell 15 is provided in the blowing part 101, and part of the third shell 15 extends into the first shell 1 and wraps the second shell 2. The wrapped part of the second shell 2 is a connecting section 203, and the connecting section 203 is integrally connected to the insulation section 201. The connecting section 203 is located at the upper part of the insulation section 201.

[0052] Furthermore, the third shell 15 is inserted into the interior of the first shell 1, and the connecting section 203 is interference fit with the inner side wall of the third shell 15, abutting against each other and restricting each other. Such a setting can increase the force area between the handle 100 and the blowing part 101, ensure a stable connection, and avoid the handle 100 and the blowing part 101 from easily falling off.

[0053] Furthermore, the handle 100 is fixedly connected to the blowing part 101. The handle 100 and the blowing part 101 are connected by screws, or other connection methods. Such a setting can increase the tightness of the structure and ensure that the handle 100 and the blowing part 101 are stably connected.

[0054] Further, such as Figure 1 、 2 As shown, the first shell 1 is composed of a first left shell 1101 and a first right shell 1102. One of the first left shell 1101 and the first right shell 1102 is provided with a second clip 1601, and the other is provided with a second slot 1602 that matches it. Such a setting can increase the structural tightness. Furthermore, there are multiple second clips 1601 and second clips 1602, which are respectively located on both sides of the handle 100.

[0055] The handle further includes an air inlet cover 17 , the air flow inlet 5 is provided on the air inlet cover 17 , the air inlet cover 17 is detachably connected to the first shell 1 , and the return flow portion 9 is located above the air inlet cover 17 .

[0056] The present application has been described above in conjunction with preferred embodiments, but these embodiments are merely exemplary and serve only as an illustrative example. On this basis, various replacements and improvements can be made to the present application, all of which fall within the scope of protection of the present application.

Claims

1. A hair care device, comprising a handle, a blowing portion connected to the handle, a fan unit, and a heating unit, wherein the handle is provided with an air inlet, the blowing portion has an air outlet, the handle comprises a first shell and a second shell, the fan unit is disposed within the second shell, and when the fan unit operates, external air flows from the air inlet into the second shell, passes through the fan unit and the heating unit in sequence, and is then discharged from the air outlet, a first channel is formed between the first shell and the second shell, a ventilation hole is provided in the second shell, the ventilation hole being located below the heating unit, and a portion of the air flow entering the second shell enters the first channel through the ventilation hole. It is characterized by: The first shell is provided with a reflux portion for air flow reflux, and the reflux portion is provided below the second shell. The first shell is provided with a first baffle, and the first baffle is located above the ventilation hole. The first baffle extends from the inner wall of the first shell to the second shell. The airflow entering the first channel enters the interior of the second shell under the action of the first baffle and the reflux portion.

2. A hair care appliance according to claim 1, characterized in that: The heating unit includes a heating portion and a bracket portion connected to the heating portion, and the first baffle is located below the heating portion.

3. A hair care appliance according to claim 2, characterized in that: The fan unit is located between the first baffle and the return portion, and the fan unit is located below the ventilation hole.

4. A hair care appliance according to claim 1, characterized in that: The reflux portion is integrally formed with the first shell, and extends from the first shell in a direction perpendicular to the axis of the handle, extends to the bottom of the second shell, and then extends upward. The end of the reflux portion away from the side wall of the first shell intersects with the second shell.

5. The hair care appliance according to claim 1, characterized in that: The first baffle is integrally formed with the first shell, and the first baffle abuts against the side wall of the second shell. The first shell, the second shell, and the first baffle define the first channel, and the first channel is located below the first baffle.

6. A hair care appliance according to claim 5, characterized in that: A second channel is formed between the first shell and the second shell. The second channel is located above the first baffle and extends along the longitudinal axis of the handle. An air hole is provided on the first baffle, and part of the airflow of the first channel enters the second channel through the air hole.

7. A hair care appliance according to claim 2, characterized in that: The second shell includes an inclined surface portion, the ventilation hole is provided on the inclined surface portion, and the inclined surface portion is in a gradually shrinking trumpet shape along the direction of air flow.

8. The hair care appliance according to claim 1, characterized in that: The second shell includes a heat insulation section and an air inlet section, the heat insulation section is located above the air inlet section, the heating unit and part of the fan unit are located in the heat insulation section, and the other part of the fan unit is located in the air inlet section. A first clip is provided on one of the heat insulation section and the air inlet section, and a first slot matching the first clip is provided on the other. The first clip is located at the lower end of the heat insulation section.

9. A hair care appliance according to claim 8, characterized in that: A third shell is provided in the blowing part, and a portion of the third shell extends into the first shell and wraps the second shell. The second wrapped portion is a connecting section, which is integrally connected to the insulation section and is located at the upper part of the insulation section.

10. A hair care appliance according to any one of claims 1 to 9, characterized in that: The handle further includes an air inlet cover, the air flow inlet is arranged on the air inlet cover, the air inlet cover is detachably connected to the first shell, and the return portion is located above the air inlet cover.

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