Hair straightening device

Abstract

The hair straightening equipment comprises a shell, a heating assembly, a comb tooth assembly and a locking assembly, the shell is provided with a containing cavity and an opening, the heating assembly is arranged in the containing cavity, the comb tooth assembly is located at the opening and connected with the heating assembly, and the comb tooth assembly is detachably connected with the shell; the locking assembly is arranged on the shell, the locking assembly is movably connected with the shell, and one end of the locking assembly is detachably connected with the comb tooth assembly; wherein the locking assembly is switched between a closed state and an open state, and when the locking assembly is in the closed state, one end of the locking assembly abuts against the comb tooth assembly; when the locking assembly is in the opening state, one end of the locking assembly is separated from the comb tooth assembly. According to the hair straightening equipment, the comb tooth assembly is detachable, a user can conveniently clean the comb tooth assembly in time, the cleanliness of the comb tooth assembly is guaranteed, and therefore the use experience of the user can be improved.

Description

Technical Field

[0001] This utility model relates to the field of hair straightening equipment technology, and in particular to a hair straightening device. Background Technology

[0002] Hair straightening devices use electric heating to style hair. Specifically, a heating plate is installed inside the device. During the straightening process, electricity is supplied to the heating plate to make it heat up. The heat is then transferred to the comb teeth of the device, which clamp the hair and pull the device to achieve straight or curly hair.

[0003] In related technologies, the comb teeth of hair straightening devices are fixed in place, meaning they cannot be disassembled. After prolonged use, hair strands or dirt can get trapped between the comb teeth, causing them to become dirty and severely impacting the user experience. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. Therefore, one objective of this invention is to provide a hair straightening device that features a detachable comb assembly, allowing users to clean the comb assembly promptly and ensuring its cleanliness, thereby improving the user experience.

[0005] A hair straightening device includes: a housing having a receiving cavity and an opening communicating with the receiving cavity; a heating element disposed within the receiving cavity; a comb assembly extending at least partially into the receiving cavity through the opening, the comb assembly being connected to the heating element and detachably connected to the housing; and a locking assembly disposed on the housing and movably connected to the housing, one end of the locking assembly being detachably connected to the comb assembly; wherein the locking assembly switches between a closed state and an open state; when the locking assembly is in the closed state, one end of the locking assembly abuts against the comb assembly; and when the locking assembly is in the open state, one end of the locking assembly is separated from the comb assembly.

[0006] When the locking component is in the closed state, one end of the locking component engages with one end of the comb component to abut against it, and the end of the comb component away from the locking component is engaged with the inner wall of the housing. The comb component is fixed at both ends along its length, so that it is securely fixed at the opening. Users can use the hair straightener normally without worrying about the comb component falling off during use.

[0007] When the comb assembly needs cleaning, the user can push the locking component downwards. The locking component rotates inside the housing, switching it from the closed to the open state. This releases the locking component from the comb assembly, separating them. At this point, the end of the comb assembly closest to the locking component can move using the other end along its length as a fulcrum. The comb assembly can then be pulled away from the housing to disassemble it. The user can then clean the comb assembly to ensure it is clean, or replace it with a new one.

[0008] In some embodiments, the locking assembly is rotatably connected to the housing.

[0009] In some embodiments, the comb assembly has a limiting rib at one end away from the locking assembly, and the housing has a limiting groove adapted to the limiting rib. The limiting groove is opened in the housing at the opening and is located away from the locking assembly.

[0010] In some embodiments, the comb assembly has a snap-fit ​​groove at one end near the locking assembly, and when the locking assembly is in the closed state, one end of the locking assembly is at least partially located within the snap-fit ​​groove.

[0011] In some embodiments, the locking assembly includes a fastening member, an elastic member, and a rotating shaft. The two ends of the rotating shaft are respectively inserted into the housing. The fastening member is disposed on the rotating shaft and can rotate relative to the rotating shaft. When the locking assembly is in the closed state, one end of the fastening member abuts against the comb tooth assembly, one end of the elastic member abuts against the other end of the fastening member, and the other end of the elastic member abuts against the housing.

[0012] In some embodiments, the fastening member includes a snap-fit ​​portion, a rotating portion, and a pushing portion. The snap-fit ​​portion and the pushing portion are respectively disposed at both ends of the rotating portion. When the locking assembly is in the closed state, the snap-fit ​​portion abuts against the comb tooth assembly. The rotating shaft is inserted into the rotating portion. One end of the elastic member abuts against the pushing portion, and the other end of the elastic member abuts against the housing.

[0013] In some embodiments, a pressing member is also included, which is disposed on the housing and extends at least partially through a mounting opening in the housing into the receiving cavity and abuts against the locking assembly.

[0014] In some embodiments, the comb assembly includes anti-scalding comb teeth and heat-conducting comb teeth. The anti-scalding comb teeth are sleeved on the heat-conducting comb teeth and connected to the heating component. Limiting ribs and limiting grooves are respectively provided at both ends of the anti-scalding comb teeth. The limiting ribs and the limiting grooves are respectively engaged and connected to the housing and the locking component.

[0015] In some embodiments, the heating component includes: a power supply; a circuit board connected to the power supply; and a heating element connected to the circuit board, the heating element being located between the circuit board and the comb assembly.

[0016] In some embodiments, the housing includes: a first housing having the opening formed thereon, one side of the first housing being open; a second housing detachably disposed on the open side of the first housing, the second housing and the first housing together defining the receiving cavity; an inner housing disposed on the first housing and / or the second housing, the inner housing being located within the receiving cavity, the locking assembly being at least partially disposed on the inner housing, the locking assembly being rotatable relative to the inner housing.

[0017] Additional aspects and advantages of this 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

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of a hair straightening device according to an embodiment of the present utility model;

[0020] Figure 2 This is a cross-sectional view of a hair straightening device according to an embodiment of the present utility model;

[0021] Figure 3 This is an exploded view of a hair straightening device according to an embodiment of the present utility model;

[0022] Figure 4 yes Figure 2 Enlarged view of A in the middle;

[0023] Figure 5 yes Figure 2 Enlarged view of B in the middle;

[0024] Figure 6 It is a locking component according to an embodiment of the present utility model.

[0025] Figure label:

[0026] 10 Housing; 11 First housing; 12 Second housing; 13 Inner housing; 1011 Opening; 1012 Limiting groove;

[0027] 20: Heating element; 201: Power supply component; 202: Circuit board; 203: Heating element;

[0028] 30: Comb teeth assembly; 311 limiting rib; 301 fastening groove; 31 anti-scalding comb teeth; 32 heat-conducting comb teeth;

[0029] 40: Locking assembly; 41: Fastening element; 42: Elastic element; 43: Rotating shaft; 411: Snap-fit ​​part; 412: Rotating part; 413: Pushing part;

[0030] 50 Pressing parts. Detailed Implementation

[0031] The following is for reference. Figures 1-6 Describes a hair straightening device according to an embodiment of the present invention.

[0032] like Figures 1-3 As shown, the hair straightening device according to an embodiment of the present invention includes: a housing 10, a heating element 20, a comb assembly 30, and a locking assembly 40.

[0033] Specifically, the housing 10 has a receiving cavity and an opening 1011, the opening 1011 is connected to the receiving cavity, the heating element 20 is disposed in the receiving cavity, the lower base side of the comb assembly 30 extends into the receiving cavity through the opening 1011 and is connected to the heating element 20, the lower base of the comb assembly 30 is detachably connected to the inner wall of the housing 10, and the locking element 40 is disposed on the head end of the housing 10 and is detachably connected to one end of the comb assembly 30.

[0034] The locking component 40 switches between a closed state and an open state. When the locking component 40 is in the closed state, both ends of the locking component 40 abut against the inner wall of the housing 10 and the other end of the comb assembly 30, respectively. When the locking component 40 is in the open state, both ends of the locking component 40 are separated from the inner wall of the housing 10 and the other end of the comb assembly 30, respectively.

[0035] For example, in Figures 1-2In the example, an opening 1011 is formed on one side of the housing 10 in the thickness direction, and the opening 1011 is located at one end of the housing 10 in the length direction. The base end of the comb assembly 30 extends into the opening 1011 and is connected to the heating assembly 20. The comb teeth of the comb assembly 30 are located outside the housing 10, which facilitates contact between the comb assembly 30 and the user's hair. The locking assembly 40 can be disposed between the ends of the comb assembly 30 and the housing 10. When the hair straightening device 100 is working, the heating assembly 20 is energized and generates heat, which can be transferred to the comb assembly 30. The comb assembly 30 contacts the user's hair, and heat can be transferred to the hair. By pulling the hair straightening device 100, a straightening effect is achieved.

[0036] The locking component 40 is located within the receiving cavity and is rotatably connected to the housing 10. When the locking component 40 is in the closed state, one end of the locking component 40 engages with one end of the comb component 30 for a stop, and the end of the comb component 30 away from the locking component 40 engages with the inner wall of the housing 10. The comb component 30 is fixed at both ends along its length, thus securing it securely at the opening 1011. Users can use the hair straightener 100 normally without worrying about the comb component 30 falling off during use.

[0037] When the comb assembly 30 needs to be cleaned, the user can push the locking component 40 downwards. The locking component 40 rotates within the housing 10, switching from the closed state to the open state. The locking component 40 releases its engagement with the comb assembly 30, meaning the locking component 40 separates from the comb assembly 30. At this point, the end of the comb assembly 30 closest to the locking component 40 can move using the other end along its length as a fulcrum. The comb assembly 30 can then be pulled out away from the housing 10 to disassemble it. The user can then clean the comb assembly 30 to achieve a better level of cleanliness, or replace it with a new one.

[0038] According to some embodiments of this utility model, refer to Figures 1-5 The comb assembly 30 has a limiting rib 311 on one end away from the locking assembly 40 in the length direction. The housing 10 has a limiting groove 1012 adapted to the limiting rib 311 on the inner wall of the opening 1011. The limiting rib 311 can be inserted into the limiting groove 1012 to limit the end of the comb assembly 30.

[0039] By creating a limiting groove 1012 on the inner wall of the opening 1011 near the handle, the limiting rib 311 at the end of the comb assembly 30 can be inserted into it. In this case, the comb assembly 30 can serve as a stable lifting fulcrum during installation or disassembly, preventing the comb assembly 30 from falling directly to the ground and being damaged during installation or disassembly, thus improving the durability and user experience of the hair straightening device.

[0040] like Figures 1-5 As shown, the other end of the comb assembly 30 along its length is provided with a latching groove 301 that is adapted to the locking assembly 40. By pushing the locking assembly 40, one end of the locking assembly 40 can extend into or away from the latching groove 301, thereby realizing the latching and unlocking of the locking assembly 40 to the comb assembly 30. This latching and unlocking method is simple and labor-saving, improving the user's installation and disassembly experience.

[0041] Furthermore, such as Figure 6 As shown, the locking assembly 40 includes a fastening member 41, an elastic member 42, and a rotating shaft 43. The two ends of the rotating shaft 43 are respectively inserted into the housing 10. The fastening member 41 is disposed on the rotating shaft 43 and can rotate relative to the rotating shaft 43. When the locking assembly 40 is in the closed state, one end of the fastening member 41 abuts against the comb assembly 30, one end of the elastic member 42 abuts against the other end of the fastening member 41, and the other end of the elastic member 42 abuts against the housing 10.

[0042] The fastening component 41 also includes a snap-fit ​​part 411, a rotating part 412 and a pushing part 413. When the locking component 40 is in the closed state, the snap-fit ​​part 411 abuts against the comb tooth assembly 30, the rotating shaft 43 is inserted on the rotating part 412, one end of the elastic member 42 abuts against the pushing part 413, and the other end of the elastic member 42 abuts against the housing 10.

[0043] In other words, the locking component 40 engages and disengages the comb assembly 30 through the snap-fit ​​portion 411 of the fastening member 41. The rotating portion 412 passes through the middle of the rotating shaft 43, and both ends of the rotating shaft 43 are mounted inside the housing. Thus, the rotating portion 412 can drive the snap-fit ​​portion 411 to rotate back and forth. One end of the elastic member 42 abuts against the pushing portion 413, and the other end abuts against the housing 10. The user can push the pushing portion 413 in the direction of squeezing the elastic member 42 to separate the snap-fit ​​portion 411 from the comb assembly 30. When the user releases the pushing portion 413, the elastic potential energy of the elastic member 42 acts on the pushing portion 413, causing the pushing portion 413 to return to its original position.

[0044] Furthermore, such as Figure 2 and Figure 3 As shown, the direct hair device also includes a pressing member 50, which is disposed on the housing 10. The pressing member 50 extends at least partially through the mounting opening in the housing 10 into the receiving cavity and abuts against the locking assembly 40.

[0045] Specifically, when the hair straightener is not under force, one end of the pressing member 50 extends into the receiving cavity and abuts against the pushing part 413, while the other end is flush with the outer wall of the housing 10, thereby facilitating the user to push the locking component 40 and improving the user experience.

[0046] like Figure 2 As shown, the comb assembly 30 includes anti-scalding comb teeth 31 and heat-conducting comb teeth 32. The anti-scalding comb teeth 31 are fitted onto the heat-conducting comb teeth 32, which are connected to the heating element 20. Limiting ribs 311 and limiting grooves 1012 are respectively provided at both ends of the anti-scalding comb teeth 31, and these ribs and grooves are engaged with the housing 10 and the locking assembly 40, respectively. The heat-conducting comb teeth 32 have good thermal conductivity and, when connected to the heating element 20, can effectively conduct heat to each comb tooth. The high-temperature comb teeth contacting the hair achieve a straightening effect. By fitting an anti-scalding comb tooth 31 onto the heat-conducting comb teeth 32, the anti-scalding comb tooth 31 can cover the exposed edges and tops of each comb tooth, thus preventing the heat-conducting comb teeth 32 from directly contacting the user's skin and causing harm. This improves the safety of using the hair straightening device.

[0047] Optionally, the anti-scalding comb teeth 31 can be made of high-temperature resistant materials, such as PA46 (poly(dibutyl adipamide), a new type of polyamide resin with high melting point and high crystallinity) and PA66 (polyamide, a general term for polymers containing amide groups in the main chain repeating units of macromolecules). But it is not limited to these.

[0048] The thermally conductive comb teeth 32 can be made of aluminum or aluminum alloy with good thermal conductivity.

[0049] In some optional embodiments, a waterproof element (not shown) is provided between the outer wall of the heat-conducting comb teeth 32 and the inner wall of the opening 1011. In this way, the gap between the outer wall of the heat-conducting comb teeth 32 and the inner wall of the opening 1011 can be filled by the waterproof element, preventing external liquid from entering the containment, thereby preventing short circuits inside the housing 10.

[0050] In some alternative embodiments, the locking component 40 may be equipped with a microswitch for power failure protection.

[0051] According to some embodiments of this utility model, such as Figure 3As shown, the heating component 20 includes a power supply 201, a circuit board 202, and a heating element 203. The circuit board 202 is connected to the power supply 201, and the heating element 203 is connected to the circuit board 202. The heating element 203 is located between the circuit board 202 and the comb assembly 30. The power supply 201 and the comb assembly 30 are spaced apart along the length of the housing 10. The comb assembly 301, the heat-conducting component 305, the heating element 203, and the circuit board 202 are stacked sequentially along the thickness of the housing 10, so that the circuit board 202 and the power supply 201 are spaced apart along the length of the housing 10. A power button is provided on the housing 10, and the power button is electrically connected to the circuit board 202. When the user presses the power button, the circuit board 202 receives the signal and causes the power supply component 201 to supply power to the heating component 203. That is, the heating component 203 is powered on and generates heat. The heat from the heating component 203 is transferred to the comb teeth through the heat-conducting comb teeth 32. When the comb teeth come into contact with the user's hair, the heat can be transferred to the hair, and then the straightening device is pulled to achieve the straightening effect.

[0052] The power supply unit 201 can be a battery pack, which can be equipped with an adapter and charging cable, enabling the direct-power device to be used while charging; alternatively, the power supply unit 201 can provide power via AC power. The circuit board 202 can be a PCB (Printed Circuit Board 202). The heating element 203 is not limited to PTC (Positive Temperature Coefficient, a type of semiconductor heating ceramic whose resistance decreases as the ambient temperature decreases, resulting in a corresponding increase in heat generation), MCH (Metal Ceramics Heater, a ceramic heating element made by printing tungsten or molybdenum manganese paste onto a ceramic casting, hot-pressing and stacking, and then sintering the ceramic and metal together under a hydrogen atmosphere at 1600℃), graphene, thick film heating, thin film heating technology, etc.

[0053] According to some embodiments of this utility model, such as Figures 1-3 As shown, the housing 10 includes a first housing 11 with an opening and one side of the first housing being open; a second housing 12, which is detachably disposed on the open side of the first housing 11, and the second housing and the first housing together define a receiving cavity; a pressing member 50 is disposed on the second housing 12; and an inner housing 13, which can be disposed on either the first housing 11 or the second housing 12, and is located within the receiving cavity; a rotating shaft 43 is disposed on the inner housing 13, so that the fastening member 41 can rotate relative to the inner housing 13.

[0054] Other components and operations of the hair straightening device according to the embodiments of this utility model are known to those skilled in the art and will not be described in detail here.

[0055] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "axial", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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 utility model.

[0056] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0057] In the description of this specification, the 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.

[0058] Although embodiments of the present 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 present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A hair straightening device, characterized in that, include: A housing (10) having a receiving cavity and an opening (1011) communicating with the receiving cavity; A heating element (20) is disposed within the receiving cavity; A comb assembly (30) extends at least partially into the receiving cavity through the opening (1011), the comb assembly (30) is connected to the heating element (20), and the comb assembly (30) is detachably connected to the housing (10); Locking assembly (40), the locking assembly (40) is disposed on the housing, the locking assembly (40) is movably connected to the housing (10), and one end of the locking assembly (40) is detachably connected to the comb assembly (30); The locking component (40) switches between a closed state and an open state. When the locking component (40) is in the closed state, one end of the locking component (40) abuts against the comb component (30). When the locking component (40) is in the open state, one end of the locking component (40) is separated from the comb component (30).

2. The hair straightening device according to claim 1, characterized in that, The locking assembly (40) is rotatably connected to the housing (10).

3. The hair straightening device according to claim 1, characterized in that, The comb assembly (30) has a limiting rib (311) at one end away from the locking assembly (40), and the housing (10) has a limiting groove (1012) that is adapted to the limiting rib (311). The limiting groove (1012) is opened in the housing (10) at the opening (1011) and is located away from the locking assembly (40).

4. The hair straightening device according to claim 1 or 3, characterized in that, The comb assembly (30) has a fastening groove (301) on one end near the locking assembly (40). When the locking assembly (40) is in the closed state, at least one end of the locking assembly (40) is located in the fastening groove (301).

5. The hair straightening device according to claim 1, characterized in that, The locking assembly (40) includes a fastening member (41), an elastic member (42), and a rotating shaft (43). The two ends of the rotating shaft (43) are respectively inserted into the housing (10). The fastening member (41) is disposed on the rotating shaft (43). The fastening member (41) can rotate relative to the rotating shaft (43). When the locking assembly (40) is in the closed state, one end of the fastening member (41) abuts against the comb assembly (30), one end of the elastic member (42) abuts against the other end of the fastening member (41), and the other end of the elastic member (42) abuts against the housing (10).

6. The hair straightening device according to claim 5, characterized in that, The fastening member (41) includes a snap-fit ​​part (411), a rotating part (412), and a pushing part (413). The snap-fit ​​part (411) and the pushing part (413) are respectively disposed at both ends of the rotating part (412). When the locking assembly (40) is in the closed state, the snap-fit ​​part (411) abuts against the comb assembly (30), the rotating shaft (43) is inserted into the rotating part (412), one end of the elastic member (42) abuts against the pushing part (413), and the other end of the elastic member (42) abuts against the housing (10).

7. The hair straightening device according to any one of claims 1, 2, 3, 5, and 6, characterized in that, It also includes a pressing member (50) disposed on the housing (10), the pressing member (50) extending at least partially through a mounting opening in the housing (10) into the receiving cavity and abutting against the locking assembly (40).

8. The hair straightening device according to any one of claims 1, 2, 3, 5, and 6, characterized in that, The comb assembly (30) includes anti-scalding comb teeth (31) and heat-conducting comb teeth (32). The anti-scalding comb teeth (31) are sleeved on the heat-conducting comb teeth (32). The heat-conducting comb teeth (32) are connected to the heating component (20). Limiting ribs (311) and limiting grooves (1012) are respectively provided on both ends of the anti-scalding comb teeth (31). The limiting ribs (311) and the limiting grooves (1012) are respectively engaged and connected to the housing (10) and the locking component (40).

9. The hair straightening device according to any one of claims 1, 2, 3, 5, and 6, characterized in that, The heating component (20) includes: Power supply component (201); Circuit board (202), said circuit board (202) is connected to the power supply unit (201); A heating element (203) is connected to the circuit board (202) and is located between the circuit board (202) and the comb assembly (30).

10. The hair straightening device according to claim 1, characterized in that, The housing (10) includes: A first housing (11) having the opening formed thereon, with one side of the first housing (11) being open; A second housing (12) is detachably disposed on the open side of the first housing, and the second housing (12) and the first housing (11) together define the receiving cavity; An inner housing (13) is disposed on the first housing (11) and / or the second housing (12), the inner housing (13) is located within the receiving cavity, and the locking assembly (40) is at least partially disposed on the inner housing (13), the locking assembly (40) being rotatable relative to the inner housing (13).

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