WO2023201856A1

WO2023201856A1 - Hair straightener

Info

Publication number: WO2023201856A1
Application number: PCT/CN2022/097066
Authority: WO
Inventors: 冯业
Original assignee: 深圳市乐美科技有限公司
Priority date: 2022-04-18
Filing date: 2022-06-06
Publication date: 2023-10-26
Also published as: CN114698913A

Abstract

Disclosed in the present application is a hair straightener, comprising a hair straightener body and a protective part. The hair straightener body is provided with two heating plates arranged oppositely, the hair straightener body having an open state, in which the two heating plates are separated from each other, and a closed state, in which the two heating plates are adjacent to each other. The hair straightener is also provided with a rechargeable battery, heating assemblies, an electric control apparatus and a control switch, the heating assemblies, the rechargeable battery and the control switch all being electrically connected to the electric control apparatus, and the heating assemblies being installed on inner sides of the heating plates. The protective part is provided with a trigger structure, and the protective part detachably sleeves the hair straightener body. When the protective part sleeves the hair straightener body, the trigger structure fits with the control switch. The control switch is configured to break a control circuit of the heating assemblies when the trigger structure fits with the control switch. The technical solution of the present application can prevent the situation in which when being carried, the hair straightener is started by a touch by mistake.

Description

hair straightener

This application claims priority to the Chinese patent application filed with the China Patent Office on April 18, 2022, with the application number 202210414060.2 and the invention name "Hair Straightener", the entire content of which is incorporated into this application by reference.

Technical field

The present application relates to the technical field of hair styling tools, and in particular to a hair straightener.

Background technique

Hair straighteners, also called electric splints, are hairstyling tools used to quickly straighten hair. At present, in order to facilitate use in outdoor environments or places without power supply, some hair straighteners are equipped with rechargeable batteries, and the rechargeable batteries provide power to the hair straighteners. However, when this kind of hair straightener with a rechargeable battery is carried in a bag, it is easy to accidentally touch the control button on the hair straightener, causing the hair straightener to start up accidentally in the bag. This not only causes the battery to run out, but also easily If the temperature rises and damages the luggage and other items inside, it may even cause a fire, posing a serious safety hazard.

technical problem

The main purpose of this application is to propose a hair straightener that is designed to prevent the hair straightener from being accidentally activated when being carried.

Technical solutions

In order to achieve the above object, the hair straightener proposed in this application includes a hair straightener main body and a protective piece. The hair straightener main body is provided with two opposite heating plates. The hair straightener main body has two heating plates. The open state of the two heating plates is spaced apart from each other and the closed state of the two heating plates adjacent to each other; the main body of the hair straightener is also provided with a rechargeable battery, a heating component, an electronic control device and a control switch. The heating component, the The rechargeable battery and the control switch are both electrically connected to the electronic control device, and the heating component is installed inside the heating plate; the protective piece is provided with a triggering structure, and the protective piece is detachably set on the In the main body of the hair straightener, when the protective piece is set on the main body of the hair straightener, the triggering structure cooperates with the control switch; the control switch is configured to connect the triggering structure and the control switch. When mated, the control circuit of the heating component is disconnected.

beneficial effects

The hair straightener of the technical solution of the present application includes a hair straightener main body and a protective piece that can be placed on the hair straightener main body. By setting a control switch on the hair straightener main body and a triggering structure on the protective piece, the protective piece is set on When the hair straightener body is connected, the triggering structure cooperates with the control switch. Since the control switch is configured to disconnect the control circuit of the heating component when the triggering structure cooperates with the control switch, when the protective piece is placed on the hair straightener body, it can be Make the heating component in a power-off state. That is to say, when the protective piece is correctly placed on the main body of the hair straightener and the triggering structure cooperates with the control switch, even if the key component of the hair straightener is accidentally touched, the heating component will not be activated, thus preventing the key component of the hair straightener from being accidentally touched. The heating component is activated by accidental touch, which prevents the hair straightener from being activated by accidental touch while being carried, improving the safety of use.

Description of the drawings

In order to explain the embodiments of the present application or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of an embodiment of the hair straightener of the present application. Figure 2 is a schematic view of the hair straightener body and the protective piece in Figure 1 after they are separated, in which the hair straightener body is in a closed state. Figure 3 is a schematic structural diagram of the hair straightener body in Figure 2 when it is in an open state. Figure 4 is an exploded view of the main body of the hair straightener in Figure 2. Figure 5 is a cross-sectional view of the main body of the hair straightener in Figure 2 . Figure 6 is an enlarged view of point A in Figure 5. Figure 7 is a schematic structural diagram of the protective component in Figure 2 from another angle. Figure 8 is another cross-sectional view of the main body of the hair straightener in Figure 2 . Figure 9 is an enlarged view of point B in Figure 8.

The realization of the purpose, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings.

Embodiments of the invention

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application. In addition, the technical solutions in various embodiments can be combined with each other, but it must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that such a combination of technical solutions does not exist. , nor is it within the scope of protection required by this application.

This application proposes a hair straightener.

In the embodiment of the present application, please refer to FIGS. 1 to 9 . The hair straightener includes a hair straightener body 100 and a protective member 900 . The hair straightener body 100 is provided with two opposite heating plates 80 . 100 has an open state in which two heating plates 80 are spaced apart from each other and a closed state in which the two heating plates 80 are adjacent; the main body 100 of the hair straightener is also provided with a rechargeable battery 30, a heating component 40, an electric control device 50 and a control switch. 60. The heating component 40, the rechargeable battery 30 and the control switch 60 are all electrically connected to the electronic control device 50. The heating component 40 is installed inside the heating plate 80.

The protective piece 900 is provided with a triggering structure. The protective piece 900 is detachably sleeved on the hair straightener body 100. When the protective piece 900 is sleeved on the hair straightener body 100, the triggering structure cooperates with the control switch 60. The control switch 60 is configured to disconnect the control circuit of the heating component 40 when the triggering structure cooperates with the control switch 60 .

In this embodiment, a heating component 40 is provided on the inside of each heating plate 80 (the side facing away from the other heating plate 80 ). The heating component 40 is used to heat the heating plate 80 . In the closed state, the two heating plates 80 They can be close to or contact each other in parallel so as to clamp the hair together. In the open state, the two heating plates 80 are spaced apart, so that the gap between the two heating plates 80 is increased to facilitate pulling out hair or putting hair between the two heating plates 80 .

When the protective member 900 is not placed on the hair straightener body 100 , the control switch 60 is in a conductive state, that is, the heating component 40 can be normally powered by the rechargeable battery 30 at this time, and can be controlled by the button assembly 52 of the hair straightener. The hair straightener main body 100 is in operation. When the protective member 900 is set on the hair straightener body 100 and the triggering structure cooperates with the control switch 60, the control circuit of the heating component 40 can be disconnected, thereby preventing the heating component 40 from being activated.

There are many ways to implement this function. For example, in one embodiment, the control switch 60 is set as a mechanical on-off switch, that is, when the protective member 900 is not placed on the hair straightener body 100, the control switch 60 is in the conductive state. state, when the protective piece 900 is set on the hair straightener body 100 and the triggering structure cooperates with the control switch 60, the control switch 60 opens the circuit. In another embodiment, the control switch 60 is configured to send a power-off signal to the controller of the electric control device 50 when the triggering structure cooperates with the control switch 60, and the controller cuts off the control circuit of the heating component 40.

It should be noted that the control circuit of the heating component 40 includes a circuit that controls the activation of the heating component 40 and a power supply circuit of the heating component 40 . That is to say, there are many specific ways to implement the control circuit of the heating component 40 of the control switch 60. For example, in one embodiment, the control switch 60 is provided on the power supply circuit between the rechargeable battery 30 and the electronic control device 50. The switch 60 is configured to disconnect the power supply circuit between the rechargeable battery 30 and the electronic control device 50 when the trigger structure cooperates with the control switch 60, thereby preventing the heating component 40 from being powered on.

In another embodiment, the control switch 60 is provided on the electric control device 50 , and the control switch 60 is configured to disconnect the power supply circuit between the electric control device 50 and the heating component 40 when the triggering structure cooperates with the control switch 60 , such as a hair straightener. The power module is electrically connected, and the control switch 60 is configured to disconnect the circuit between the power module and the heating component 40 when the trigger structure cooperates with the control switch 60, thereby preventing the heating component 40 from being powered on.

In other embodiments, the electric control device 50 includes an electric control board 51 and a key assembly 52. The control switch 60 is provided on the electric control board 51. The control switch 60 is configured to disconnect the key assembly 52 and the key assembly 52 when the triggering structure cooperates with the control switch 60. The circuit between the electric control boards 51 prevents the key assembly 52 from generating a start or control signal when it is pressed, thereby preventing the heating component 40 from being powered on.

The protective member 900 may have various shapes. For example, in one embodiment, the protective member 900 is in the shape of a sleeve to cover part of the hair straightener body 100 or the entire hair straightener body 100 . In another embodiment, the protective member 900 is in an annular shape and is mounted on the outside of the hair straightener body 100 . In other embodiments, the protective member 900 is strip-shaped and has a deformation structure that can be deformed into a ring shape or a spiral shape.

The protective piece 900 can be made of various materials. For example, in one embodiment, the protective piece 900 is made of silicone, that is, the protective piece 900 is made of silicone, so that the protective piece 900 is softer and reduces the number of the protective piece 900 and the hair straightener body. The wear between 100 and 100 can also reduce the risk of rupture of the protective piece 900 . In another embodiment, the protective member 900 is made of rubber material or plastic material such as polyester plastic, PC plastic, or the like. In other embodiments, the protective member 900 may also be made of cloth or the like.

The hair straightener of the technical solution of the present application includes a hair straightener body 100 and a protective member 900 that can be placed on the hair straightener body 100. By setting a control switch 60 on the hair straightener body 100 and a triggering structure on the protective member 900, When the protective piece 900 is placed on the hair straightener body 100, the trigger structure cooperates with the control switch 60. Since the control switch 60 is configured to disconnect the control circuit of the heating component 40 when the trigger structure cooperates with the control switch 60, When the protective piece 900 is placed on the hair straightener body 100, the heating component 40 can be in a power-off state. That is to say, when the protective piece 900 is correctly placed on the hair straightener body 100 and the triggering structure cooperates with the control switch 60, even if the button assembly 52 of the hair straightener is accidentally touched, the heating assembly 40 will not be activated, thus avoiding the risk of hair straightening. When the button assembly 52 of the hair straightener is accidentally touched, the heating component 40 is activated, which avoids the situation where the hair straightener is accidentally triggered when being carried, thereby improving the safety of use.

In one embodiment, the control switch 60 is a Hall switch, and the triggering structure includes a magnet. When the magnet cooperates with the Hall switch, the Hall switch disconnects the power supply circuit between the rechargeable battery 30 and the heating component 40 . When the control switch 60 adopts a Hall switch, direct contact between the Hall switch and the triggering structure can be avoided, and wear and tear caused by direct contact friction between the control switch 60 and the triggering structure can be prevented. The control switch 60 can also be sealed inside the hair straightener body 100, and the magnet can also be sealed inside the protective member 900 to prevent the control switch 60 and the magnet from being exposed. While improving the reliability of the control switch 60, it can also facilitate the improvement of the straightener. The sealing property of the hair straightener body 100 is beneficial to the waterproof performance of the stand-in hair straightener body 100 . In addition, in other embodiments, the control switch 60 is a micro switch, and the triggering structure is provided with a trigger protrusion. When the protective member 900 is set on the hair straightener body 100, the trigger protrusion triggers the micro switch.

In one embodiment, the protective member 900 has a sleeve-like structure, and one end of the protective member is provided with an opening. In the closed state, the protective member 900 is sleeved on one end of the hair straightener body 100 where the heating plate 80 is provided. The protective member 900 can be placed on one end of the hair straightener body 100 where the heating plate 80 is located through the open end, and the protective member 900 covers the heating plate 80 inside. Such arrangement can make the size of the protective piece 900 smaller, reduce the matching area between the protective piece 900 and the hair straightener main body 100, and facilitate disassembly and assembly. In addition, when the protective member 900 covers the heating plate 80, it can effectively protect the heating plate 80 and prevent the heating plate 80 from being directly exposed, thereby effectively preventing the heating plate 80 from being scratched and damaged by other items in the bag during carrying.

In one embodiment, the protective member 900 is provided with a through hole 901, which penetrates the outer surface of the protective member 900 and communicates with the inner cavity of the protective member 900. When the protective member 900 is sleeved on the hair straightener body 100, the through hole 901 passes through the protective member 900. The hole 901 corresponds to a position between the two heating plates 80 . Specifically, after using the hair straightener body 100 to straighten hair, the user may not have time to wait for the heating plate 80 to cool down completely, and needs to put the hair straightener into a bag and take it away. By providing the through hole 901 on the protective member 900, the heat dissipation of the heating plate 80 is facilitated. Optionally, the protective member 900 is provided with a plurality of through holes 901 , and the plurality of through holes 901 are spaced apart in the length direction of the protective member 900 to increase the heat dissipation area.

In one embodiment, a plurality of through holes 901 are provided on opposite sides of the protective member 900. When the protective member 900 is sleeved on the hair straightener body 100, the through holes 901 on both sides of the protective member 900 are located in two corresponding positions. between the heating plates 80. Multiple through holes 901 on the same side of the protective member 900 are spaced apart in the length direction of the protective member 900, which can increase the heat dissipation area, improve air circulation in the protective member 900, and improve the heat dissipation effect of the heating plate 80.

In one embodiment, the hair straightener body 100 includes a first clamp arm 10 and a second clamp arm 20 , and the first clamp arm 10 and the second clamp arm 20 are coupled together at their hinge ends to allow the first clamp arm 10 to The second clamp arm 20 moves between the open state and the closed state, wherein one heating plate 80 is provided at the free end of the first clamp arm 10 and the other heating plate 80 is provided at the free end of the second clamp arm 20 . Specifically, one end of the first clamp arm 10 and one end of the second clamp arm 20 are hinged. The heating plate 80 at the free end of the first clamp arm 10 is located on the side of the first clamp arm 10 facing the free end of the second clamp arm 20. The heating plate 80 at the free end of the clamp arm 20 is located on the side of the second clamp arm 20 facing the free end of the first clamp arm 10 . When the free ends of the first clamp arm 10 and the second clamp arm 20 move closer to each other until the two heating plates 80 are adjacent, the hair straightener body 100 is in a closed state. When the free ends of the second clamp arm 20 and the second clamp arm 20 move away from each other until the two heating plates 80 are spaced apart, the hair straightener main body 100 is in an open state. When this type of hair straightener body 100 is used, the opening angle of the hair straightener body 100 can be larger, making it easier to straighten hair.

The protective piece 900 is sleeved on the free end of the first clamp arm 10 and the free end of the second clamp arm 20 to keep the hair straightener body 100 in a closed state, so that the hair straightener can take up less space when being carried. Easy to carry.

Of course, in another embodiment, the hair straightener body 100 includes a holding part and two mounting parts fixed on the same end of the holding part, the two mounting parts are spaced apart, and each mounting part is provided with a heating plate 80, and At least one heating plate 80 is movably mounted on the corresponding mounting portion, so that the two heating plates 80 can move toward and away from each other. In addition, in other embodiments, the hair straightener body 100 includes a first body and a second body. The first body includes a gripping part and a mounting part connected to one end of the gripping part. The second body is hingedly connected to the gripping part and the mounting part. position between them, and can move toward the mounting part, wherein one heating plate 80 is provided on the second body, and the other heating plate 80 is provided on the installing part.

In one embodiment, the first clamp arm 10 is provided with a convex bump 121 on one side facing the second clamp arm 20 , the second clamp arm 20 is provided with an avoidance groove 21 at a position corresponding to the convex bump 121 , and the rechargeable battery 30 is provided on the convex bump 121 . Inside the package 121, in the closed state, part of the convex package 121 extends into the avoidance groove 21. Specifically, the side surface of the convex bump 121 is spaced apart from the outer surface of the first clamp arm 10 , which is equivalent to the side of the first clamp arm 10 facing the second clamp arm 20 being partially convex towards the second clamp arm 20 to avoid the groove. The edge of the notch 21 is spaced apart from the outer surface of the second clamping arm 20 . The arrangement of the convex hull 121 can make the space for installing the rechargeable battery 30 in the first clamp arm 10 larger, increase the battery capacity of the rechargeable battery 30, and improve the endurance of the hair straightener. The setting of the avoidance groove 21 can avoid the situation where the gap between the two heating plates 80 increases due to the convex bump 121 abutting the second clamping arm 20 after the convex bump 121 is provided, and can ensure that the hair straightener body 100 can Better closure holds hair.

Of course, in other embodiments, the convex bump 121 may not be provided. For example, the first clamping arm 10 and the second clamping arm 20 are each provided with a rechargeable battery 30. The rechargeable battery 30 on the first clamping arm 10 and the second The rechargeable batteries 30 on the clamping arm 20 are arranged in parallel.

In one embodiment, the electronic control device 50 includes a button assembly 52 , and the button assembly 52 is disposed on the side of the convex bump 121 . Specifically, the electronic control device 50 also includes an electronic control board 51 , the key assembly 52 is electrically connected to the electronic control board 51 , and the heating component 40 and the rechargeable battery 30 are both electrically connected to the electronic control board 51 . By arranging the key assembly 52 on the side of the convex bump 121 , the key assembly 52 can be prevented from protruding from the outer surface of the first clamping arm 10 , thereby reducing the risk of the key assembly 52 being accidentally touched.

The key assembly 52 has various specific structures. For example, in one embodiment, the key assembly 52 includes a power button, and the power button is electrically connected to the electric control board 51 . In one embodiment, the key assembly 52 includes a power key and at least one temperature adjustment key. The power key and the temperature adjustment key are both electrically connected to the electric control board 51 . The temperature adjustment key is configured to adjust the temperature of the heating component 40 . Of course, in other embodiments, the hair straightener main body 100 may not be provided with the button assembly 52. For example, the electronic control device 50 includes a wireless module to control the hair straightener main body 100 through a terminal device such as a mobile phone.

In one embodiment, the control switch 60 is provided at the convex bump 121, and a mounting convex portion 902 is provided on the inside of the protective member 900. The mounting convex portion 902 protrudes toward the convex bump 121, and the mounting convex portion 902 is provided with a triggering structure. When the component 900 is sleeved on the hair straightener body 100, the mounting protrusion 902 is located between the first clamp arm 10 and the second clamp arm 20. Specifically, the open end of the protective member 900 extends at least partially to the side of the convex protrusion 121. When the protective member 900 is placed on the hair straightener body 100, the mounting protrusion 902 is gradually inserted into the first clamp arm 10 and the second clamp. between arms 20. With this arrangement, on the one hand, the trigger structure can be placed close to the convex bump 121 (control switch 60 ) to ensure reliable cooperation between the control switch 60 and the trigger structure. On the other hand, the trigger structure and the control switch 60 can be positioned for cooperation by installing the convex portion 902 , so that the trigger structure and the control switch 60 can be accurately aligned and matched.

In one embodiment, the protective member 900 is provided with mounting protrusions 902 on opposite sides. When the protective member 900 is sleeved on the hair straightener body 100, each mounting protrusion 902 is located between the first clamp arm 10 and the second clamp arm 10. Between the clamping arms 20, at least one side of the mounting protrusion 902 is provided with a triggering structure. With this arrangement, when the protective piece 900 is placed on the hair straightener body 100, the two mounting protrusions 902 are provided on opposite sides of the protrusion 121, and are located between the first clamp arm 10 and the second clamp arm 20. In this way, the limiting area between the protective piece 900 and the hair straightener body 100 can be increased, the protective piece 900 can be better positioned, assembled and limited, and the protective piece 900 can be better prevented from falling off.

In one embodiment, the mounting protrusions 902 on both sides of the protective piece 900 are provided with trigger structures. In this way, when the protective piece 900 is set, the mounting protrusions 902 on either side are located at a portion of the convex bump 121 where the control switch 60 is provided. The control switch 60 can be triggered by the triggering structure when it is on the side, which avoids the need to distinguish between the front and back installation of the protective piece 900 and is convenient for users.

In one embodiment, the mounting protrusion 902 is in the shape of a strip extending along the length direction of the hair straightener. With this arrangement, the limiting area between the mounting protrusion 902 and the hair straightener body 100 can be increased, the structural strength of the mounting protrusion 902 can be increased, and the risk of breakage of the mounting protrusion 902 can be reduced. Of course, in other embodiments, the mounting protrusion 902 may also be in a cylindrical shape, a square shape, or the like.

The first clamp arm 10 includes a first housing 11, a second housing 12 and a first sealing ring 171. The heating plate 80 is disposed on the first housing 11, and is enclosed between the second housing 12 and the first housing 11. The electronic control cavity 101 is formed. The second housing 12 and the heating plate 80 are distributed along the length direction of the first clamp arm 10 . The first sealing ring 171 is provided between the first housing 11 and the second housing 12 and surrounds the electric control chamber 101 . The control cavity 101 is provided, and the rechargeable battery 30 and the electric control device 50 are arranged in the electric control cavity 101 .

Specifically, the first housing 11 and the second housing 12 are arranged in separate bodies. The first housing 11 is arranged in a strip shape. The first housing 11 is provided with a first groove 111 and a second groove 113. The groove 111 and the second groove 113 are distributed along the length direction of the first housing 11 . The heating plate 80 and the heating component 40 are located in the first groove 111 . The second housing 12 covers the second groove 113 to connect with the first housing 11 . The first housing 11 encloses an electronic control chamber 101 . The portion of the first sealing ring 171 close to the first groove 111 is provided with a first wire passing hole, and the connecting wire between the electronic control device 50 and the heating component 40 passes through the first wire passing hole. By disposing the first sealing ring 171 between the first housing 11 and the second housing 12 , the sealing performance of the electronic control chamber 101 can be improved, and dust and water can be effectively prevented from entering the electronic control chamber 101 . In one embodiment, the second housing 12 is formed with a convex hull 121 . Optionally, the first housing 11 and the second housing 12 are detachably connected for disassembly and assembly.

In one embodiment, the heating component 40 includes a graphene heating structure located on a side of the heating plate 80 facing away from the other heating plate 80 . The graphene heating structure is electrically connected to the electric control device 50 . Specifically, the graphene heating structure contains graphene material. The superconducting principle of graphene material is used to increase the electrical conductivity of the graphene heating structure and speed up the heating speed, which can make the heat conversion efficiency of the graphene heating structure higher. Under low voltage, it can respond quickly to electric heating and heat up quickly. Moreover, the graphene heating structure doped with graphene material has a uniform heating temperature and has the purpose of protecting and caring for hair. Compared with the traditional PTC heating method, this greatly improves the heating efficiency and increases the heating speed of the heating plate 80 .

The graphene heating structure and the heating plate 80 can be installed in various ways. For example, in one embodiment, the graphene heating structure and the heating plate 80 are sintered into one body. The raw material doped with graphene can be sintered on the heating plate 80 through a sintering process at high temperature. Such an arrangement can make the connection between the graphene heating structure and the heating plate 80 more stable and reliable, ensuring a high heat conduction efficiency between the graphene heating structure and the heating plate 80 . Of course, in other embodiments, the graphene heating structure can be bonded to the heating plate 80; or the graphene heating structure can be pressed against the heating plate 80 through a mounting bracket.

In one embodiment, the heating plate 80 is made of stainless steel. This arrangement can make the melting point of the heating plate 80 higher and the heat conduction performance of the heating plate 80 better, while ensuring that the graphene heating structure and the heating plate 80 are sintered. At the same time, it improves heat conduction efficiency. Of course, in other embodiments, the heating plate 80 can also be made of aluminum or aluminum alloy (such as aluminum-magnesium alloy), etc., so that the heat conduction efficiency of the heating plate 80 is better (that is, the material of the heating plate 80 can be stainless steel, aluminum, etc.). or aluminum alloy). The heating plate 80 can also be made of other alloys and the like.

In one embodiment, the first clamp arm 10 includes a first housing 11 and a second housing 12. The free end of the first housing 11 is provided with a first groove 111. The second housing 12 is installed on the first housing. The side of the body 11 faces the second clamp arm 20 and is located on the side of the first groove 111 facing the hinge end. The first groove 111 is provided with a catch groove 112 on the side wall of the groove away from the second housing 12 .

The first clamp arm 10 also includes a first support frame 13. The first support frame 13 is installed in the first groove 111. The heating plate 80 is installed in the first support frame 13. The heating component 40 is installed in the first support frame 13 and the heating plate. 80 between between the housing 12 and the first housing 11 .

In this embodiment, the first housing 11 is also provided with a second groove 113. The second groove 113 is located on the side of the first groove 111 facing the hinge end and is connected with the first groove 111. The second housing 12 Covering the second groove 113 , the second protrusion 132 extends into the second groove 113 and is restricted on the side of the second housing 12 facing into the second groove 113 . The hinge end of the first clamp arm 10 is opposite to the free end provided with the first support frame 13 , and the second housing 12 is located on the side of the first housing 11 facing the second clamp arm 20 .

The hinge end of the first clamping arm 10 may be composed of only the end of the first housing 11 , or may be composed of both the end of the first housing 11 and the end of the second housing 12 . Of course, in other embodiments, the second groove 113 may not be provided, that is, the part of the first housing 11 located between the first groove 111 and the hinge end may be provided in a plate shape.

The first groove 111 and the second groove 113 are sequentially distributed in the length direction of the first housing 11 . The first groove 111 is away from the hinge end of the first clamp arm 10 relative to the second groove 113 . The first clamp arm 10 The notch of the first groove 111 and the notch of the second groove 113 are both disposed toward the second clamp arm 20 . The first groove 111 is far away from the groove side wall of the second groove 113, that is, the groove side wall of the first groove 111 and the second groove 113 is opposite. A blocking groove 112 is provided on the groove side wall. When the first protrusion 131 extends When inserted into the card slot 112 , the first support frame 13 can be restricted from moving outward through the notch of the first groove 111 . Similarly, the second protrusion 132 extends into the second groove 113 and is limited to the side of the second housing 12 facing the second groove 113 . The second protrusion 132 can abut against the second housing 12 Towards the side inside the second groove 113, the first support frame 13 and the heating plate 80 on the first support frame 13 are restricted from moving outward through the notch of the first groove 111, thereby limiting the first support frame 13 and the heating plate 80 on the first support frame 13. The heating plate 80 on the first support frame 13 protrudes from the notch of the first groove 111 .

Optionally, the second clamp arm 20 includes a third shell and a fourth shell, the free end of the third shell is provided with a third groove, and the fourth shell is installed on the third shell toward the second clamp arm 20 and is located on the side of the third groove facing the hinge end. The third groove is provided with a catch groove 112 on the side wall of the groove away from the fourth housing. The second clamp arm 20 also includes a second support frame installed in the third groove. The heating plate 80 is installed on the second support frame. One end of the second support frame is provided with a third protrusion and the other end is provided with a fourth protrusion. , the third protrusion extends into the slot 112, and the fourth protrusion is limited between the fourth housing and the third housing.

In this embodiment, the third housing is further provided with a fourth groove. The fourth groove is located between the third groove and the hinge end of the second clamp arm 20 and is connected with the third groove. The fourth housing Covering the fourth groove, the second protrusion 132 extends into the fourth groove and is restricted on the side of the fourth housing facing the fourth groove. The hinge end of the second clamp arm 20 is opposite to the free end provided with the second support frame, and the fourth housing is located on the side of the third housing facing the second clamp arm 20 .

In addition, when the first clamp arm 10 includes a first housing 11 and a second housing 12, the first clamp arm 10 and the second clamp arm 20 can have various hinge positions. For example, in one embodiment, the second housing 12 A hinge structure is provided on an end away from the first groove 111 to be hinged with the second clamp arm 20 . In one embodiment, the end of the first housing 11 away from the first groove 111 is provided with a hinge structure to be hinged with the second clamp arm 20 .

The first clamping arm 10 adopts a first housing 11 and a second housing 12, and the free end of the first housing 11 is provided with a first groove 111. The second housing 12 is installed on the first housing 11 toward the second housing 11. One side of the two clamping arms 20 is located on the side of the first groove 111 facing the hinge end. The first groove 111 is provided with a clamping groove 112 on the side wall of the groove away from the second housing 12 . A first protrusion 131 is provided at one end of the first support frame 13 and a second protrusion 132 is provided at the other end. When the first support frame 13 is installed in the first groove 111, the first protrusion 131 extends into the slot. 112, the second protrusion 132 is limited between the second housing 12 and the first housing 11. Equivalently, when the first housing 11 and the second housing 12 are installed together, the first support frame 13 can be limited in the first groove 111 of the first housing 11 to realize the heating and cooling of the first support frame 13 The installation of the plate 80 can avoid additional installation and fixing operations of the first support frame 13 and the heating plate 80 . It can not only reduce the assembly process of the hair straightener, but also reduce the number of parts of the hair straightener, simplify the structure of the hair straightener, and help reduce the production cost of the hair straightener.

The heating plate 80 is made of metal material, such as stainless steel, aluminum, aluminum alloy and other metals. The heating structure can use a graphene heating structure or a PTC heating structure, etc. Of course, the present application is not limited to this, and the heating plate 80 can also be made of other thermally conductive materials (such as ceramics, etc.). In addition, in other embodiments, the first convex portion 131 and the second convex portion 132 can also be directly provided on the heating plate 80 .

In one embodiment, the first groove 111 has an activity space for the first support frame 13 to move inward. The first clamp arm 10 also includes at least one elastic return member 15. The elastic return member 15 is provided on the first support frame. 13 and the bottom wall of the first groove 111. In one embodiment, the slot 112 has an movable space for the first protrusion 131 to move toward the first groove 111 along with the first support frame 13 . In another embodiment, the second groove 113 has an activity space for the second protrusion 132 to move toward the first groove 111 along with the first support frame 13 . In yet another embodiment, the slot 112 has an movable space for the first protrusion 131 to move toward the first groove 111 along with the first support frame 13 , and the second groove 113 has an activity space for the second protrusion 132 to move along with the first support frame 13 . The movement space when the support frame 13 moves toward the first groove 111 .

That is to say, only the slot 112 may have an activity space for the first protrusion 131 to move into the first groove 111 along with the first support frame 13 , while the second protrusion 132 is fixed between the second housing 12 and the first groove 111 . between one housing 11. Alternatively, only the second groove 113 has an movable space for the second protrusion 132 to move toward the first groove 111 along with the first support frame 13 , and the first protrusion 131 is fixed in the latching groove 112 . Alternatively, the slot 112 has an movable space for the first protrusion 131 to move toward the first groove 111 along with the first support frame 13 , and the second groove 113 has an activity space for the second protrusion 132 to move with the first support frame 13 . The movement space when moving into the first groove 111.

With this arrangement, when the hair is clamped by the hair straightener and the clamping force reaches a certain value, the first support frame 13 can overcome the elastic force of the elastic return member 15 and move toward the first groove 111 , thereby avoiding the first When the support frame 13 clamps the hair excessively, it avoids causing greater squeezing force on the hair. After the first clamp arm 10 and the second clamp arm 20 are opened, the first support frame 13 can be reset under the action of the elastic return member 15 . Of course, in other embodiments, the first support frame 13 can also be fixed (immobile) in the first groove 111 .

The number of elastic return members 15 may be one or more (at least two). When the number of elastic return members 15 is multiple, the plurality of elastic return members 15 may be distributed at intervals in the length direction of the hair clip plate assembly.

The elastic return member 15 may have various structures. For example, in one embodiment, the elastic return member 15 is an elastomer such as silicone or rubber. In another embodiment, the elastic return member 15 is an elastic structure such as a compression spring or elasticity.

In one embodiment, the first clamping arm 10 further includes a second sealing ring 172 , and the second sealing ring 172 is disposed between the peripheral portion of the heating plate 80 and the first support frame 13 . Specifically, the second sealing ring 172 is corresponding to the peripheral portion of the heating plate 80 , and the second sealing ring 172 surrounds the space between the heating plate 80 and the first support frame 13 . With this arrangement, the gap between the first support frame 13 and the peripheral portion of the heating plate 80 can be sealed by the second sealing ring 172 , which can reduce water or dust from entering the gap between the first support frame 13 and the peripheral portion of the heating plate 80 to generate heat. Risks to the space where component 40 is located.

In one embodiment, the heating plate 80 includes a plate body 81 and a surrounding plate 82 surrounding the edge of the plate body 81 . The second sealing ring 172 is provided with a mounting groove, and the mounting groove extends circumferentially along the second sealing ring 172 . Annular, the enclosure plate 82 is correspondingly inserted into the installation groove. Specifically, the part of the enclosure 82 away from the board body 81 is correspondingly inserted into the installation groove. When the heating plate 80 and the first support frame 13 are installed together, the second sealing ring 172 is located between the enclosure 82 and the first support frame 13 between. Such arrangement can make the contact area between the heating plate 80 and the second sealing ring 172 larger, thereby improving the sealing effect. At the same time, the second sealing ring 172 can be better positioned and installed on the heating plate 80 to avoid additional installation. The fixed structure of the second sealing ring 172. Of course, in other embodiments, the second sealing ring 172 may also be in the shape of a flat ring.

There are various ways of connecting the heating plate 80 and the first support frame 13. For example, in one embodiment, the heating plate 80 is provided with a limiting bar extending toward the first supporting frame 13. When installed, the limiting bar It is deformed to a limiting state abutting the side of the first support frame 13 away from the heating plate 80 . In this way, the structures of the heating plate 80 and the first support frame 13 are simple, and the installation process is simple. In another embodiment, the first support frame 13 and the heating plate 80 are connected by screws.

In one embodiment, the first clamp arm 10 includes a first housing 11, a second housing 12 and a mounting base 16. The second housing 12 and the first housing 11 are enclosed to form an electronic control chamber 101. One end of the second housing 12 and the side away from the first housing 11 is provided with a mounting port 122. The mounting seat 16 is located in the electronic control cavity 101 and seals the cover mounting port 122. The mounting seat 16 connects the mounting port 122 and the electrical control chamber. The control chamber 101 is sealed and separated.

One end of the second clamping arm 20 is provided with a hinge portion 22 , and the hinge portion 22 is hinged to the mounting base 16 through the mounting opening 122 . One of the heating plates 80 is disposed at an end of the first housing 11 away from the installation groove 163 , and the other heating plate 80 is disposed at an end of the second clamp arm 20 away from the hinge portion 22 .

Optionally, the mounting base 16 is provided with a second wire passing hole, and the connecting wire between the heating plate 80 and the electric control device 50 on the second clamp arm 20 passes through the second wire passing hole, and the connecting wire is connected to the second wire passing hole. The sealing between the wire holes can be achieved by interference fit, sealant, or sealing ring.

By providing an installation opening 122 at one end of the second housing 12 and on the side away from the first housing 11 , the installation base 16 is disposed in the electronic control cavity 101 , and the cover installation opening 122 is sealed, so that the installation base 16 The installation port 122 and the electrical control cavity 101 are sealed and separated. The hinge portion 22 at one end of the second clamp arm 20 is hinged to the mounting base 16 through the mounting opening 122 . Such an arrangement can separate the hinge structure of the first clamp arm 10 and the second clamp arm 20 from the electrical control cavity 101 of the hair straightener body 100, thereby effectively preventing external dust and water from entering the electrical appliance from the hinge structure. The situation in the control cavity 101 improves the sealing and waterproof performance of the hair straightener body 100 and reduces the risk of malfunction of the electronic control device 50 in the electrical control cavity 101 of the hair straightener body 100 due to water intrusion or dust. Moreover, when the mounting base 16 is disposed in the electric control cavity 101, the hinged structure of the first clamp arm 10 and the second clamp arm 20 can be hidden inside, thereby improving the concealment and making full use of the space of the electric control cavity 101. Providing a hinged structure is beneficial to improving the structural compactness of the hair straightener body 100 .

In one embodiment, the second housing 12 and the mounting base 16 are arranged separately. The second housing 12 is provided with a mounting slot 163. The mounting slot 163 is connected with the mounting port 122. The hinge portion 22 is hinged in the mounting slot 163. A third sealing ring 173 is provided between the second housing 12 and the mounting base 16 , and the third sealing ring 173 is arranged around the mounting opening 122 . By arranging the second housing 12 and the mounting base 16 separately, the structure of the second housing 12 can be simplified, the difficulty of molding the second housing 12 can be reduced, and the production cost can be reduced. At the same time, when the second housing 12 and the mounting base 16 are sealed by the third sealing ring 173, the sealing effect is good and the structure is relatively simple, which is conducive to simplifying the structure of the hair straightener body 100. Optionally, the second housing 12 and the mounting base 16 are detachably connected. For example, the second housing 12 and the mounting base 16 are fixed by screws or by a snap-in structure to simplify the installation process and structure. Among them, the third sealing ring 173 can be made of rubber or silicone material. In addition, in other embodiments, the second housing 12 and the mounting base 16 are integrally formed or the second housing 12 and the mounting base 16 are bonded together.

In one embodiment, the end of the second clamp arm 20 with the hinge portion 22 is also provided with a cover portion 23. The hinge portion 22 is located on the side of the cover portion 23 facing the first clamp arm 10. The cover portion 23 covers The second housing 12 is provided with a mounting opening 122 . That is, the hinge part 22 is located inside the cover part 23. When the hinge part 22 is hinged to the mounting base 16, the cover part 23 covers the part of the second housing 12 with the installation opening 122, so that installation can be avoided. The opening 122 is exposed to the outside, thereby reducing the risk of water or dust entering the installation opening 122.

In one embodiment, one end of the second housing 12 provided with the installation opening 122 has opposite first and second sides. The first side is provided with a first assembly opening 123 . The hair straightener body 100 further includes a display assembly 72 , the display component 72 is installed in the first assembly port 123, and the display component 72 and the first assembly port 123 are sealed. Specifically, the display component 72 is electrically connected to the electronic control device 50. The display component 72 is located on one side of the mounting base 16. The display component 72 is configured to display status information of the hair straightener body 100, such as but not limited to temperature information, usage time and The power information of the rechargeable battery 30 and so on. The display assembly 72 includes a display screen and a see-through panel. The display screen is installed in the first assembly opening 123 . The see-through panel covers the first assembly opening 123 and is sealed with the edge of the first assembly opening 123 (for example, by bonding). sealed or sealed by a sealing ring).

Since the portion of the installation cavity where the mounting base 16 is located has occupied a large space, it is difficult to install the main control board or battery of the control device there. The display assembly 72 is relatively small, so it is difficult to install the display assembly 72 there. When installed in the space on the side of the mounting base 16, this part of the space can be fully utilized to improve the structural compactness of the hair straightener main body 100. At the same time, when the display component 72 and the first assembly port 123 are sealed, water or dust can be prevented from entering the interior of the hair straightener body 100 from between the display component 72 and the first assembly port 123, thereby improving the sealing performance of the hair straightener body 100. .

In one embodiment, the hair straightener main body 100 includes a connected electronic control device 50, a rechargeable battery 30 and a charging connector. The electronic control device 50 and the rechargeable battery 30 are both located in the electronic control cavity 101. The second housing 12 is provided with One end with the installation port 122 has opposite first and second sides. The second side is provided with a second assembly port, and the charging connector is sealed and installed in the second assembly port. Specifically, a seal is provided between the charging connector and the second assembly port (for example, sealed by a sealant or a sealing ring) to prevent water or dust from entering the interior of the hair straightener body 100 from between the charging connector and the second assembly port. Since the part of the installation cavity where the mounting base 16 is located has already occupied a large space by the mounting base 16, it is difficult to install the main control board or the battery of the control device here, and the charging connector is relatively small in size, so it is difficult to install the charging connector in When using the space on the side of the mounting base 16, this part of the space can be fully utilized to improve the structural compactness of the hair straightener main body 100. Moreover, when the display assembly 72 is installed on the first side, the display assembly 72 and the charging connector are arranged on opposite sides of the mounting base 16 , which improves the structural compactness of the hair straightener body 100 and avoids the need for the display assembly 72 and the charging connector. The joints interfere with each other. Among them, the charging connector can specifically be a MicroUSB interface, TypeC interface, Lightning interface, etc.

In one embodiment, the second side is also provided with an assembly groove, and the second adapter port is provided in the assembly groove. The hair straightener body 100 also includes a protective cover, which is movably installed on the second side and has a sealing cover. Suitable for the sealing state of the assembly groove. That is, when the rechargeable battery 30 needs to be charged, the protective cover can be opened so that the charging connector is exposed for the charging cable to be connected. After charging is completed, just close the protective cover to the assembly slot. In this way, water or dust can be prevented from entering the charging connector when the hair straightener body 100 is being carried or left idle, thereby improving the dust resistance of the hair straightener body 100. Waterproof effect.

The above are only preferred embodiments of the present application, and do not limit the patent scope of the present application. Under the inventive concept of the present application, equivalent structural transformations made by using the contents of the description and drawings of the present application, or direct/indirect application Other related technical fields are included in the patent protection scope of this application.

Claims

A hair straightener, which includes a hair straightener main body and a protective piece. The hair straightener main body is provided with two opposite heating plates. The hair straightener main body has two heating plates spaced apart from each other. The open state and the closed state in which the two heating plates are adjacent; the main body of the hair straightener is provided with a rechargeable battery, a heating component, an electronic control device and a control switch, and the heating component, the rechargeable battery and the The control switches are all electrically connected to the electric control device, and the heating component is installed inside the heating plate; the protective piece is provided with a triggering structure, and the protective piece is detachably set on the main body of the hair straightener. , when the protective piece is set on the main body of the hair straightener, the triggering structure cooperates with the control switch; the control switch is configured to disconnect the triggering structure when the control switch cooperates with the control switch. Describe the control circuit of the heating component.
The hair straightener of claim 1, wherein the control switch is a Hall switch, the triggering structure includes a magnet, and when the magnet cooperates with the Hall switch, the Hall switch turns off the Describe the control circuit of the heating component.
The hair straightener according to claim 1, wherein the protective member has a sleeve-like structure, and one end of the protective member is provided with an opening, and in the closed state, the protective member is sleeved on the hair straightener. One end of the heating plate is provided on the main body of the device.
The hair straightener according to claim 3, wherein the protective member is provided with a through hole, the through hole penetrates the outer surface of the protective member and communicates with the inner cavity of the protective member, and when the protective member When being sleeved on the main body of the hair straightener, the through hole is correspondingly located between the two heating plates.
The hair straightener according to claim 1, wherein the hair straightener body includes a first clamp arm and a second clamp arm, and the first clamp arm and the second clamp arm are coupled together at their hinge ends. , to allow the first clamp arm and the second clamp arm to move between the open state and the closed state, wherein one of the heating plates is provided at the free end of the first clamp arm, and the other The heating plate is located at the free end of the second clamp arm.
The hair straightener according to claim 5, wherein the first clamp arm is provided with a convex bump on a side facing the second clamp arm, and the second clamp arm is provided with an avoidance position corresponding to the convex bump. Groove, the rechargeable battery is arranged in the convex bulge, and in the closed state, the convex bulge partially extends into the avoidance groove.
The hair straightener according to claim 6, wherein the control switch is provided at the convex bump, and a mounting protrusion is provided on the inside of the protective member, and the installation protrusion protrudes toward the convex bump, The mounting protrusion is provided with the triggering structure. When the protective piece is sleeved on the hair straightener body, the mounting protrusion is located between the first clamp arm and the second clamp arm.
The hair straightener according to claim 7, wherein the mounting protrusions are provided on opposite sides of the protective piece, and when the protective piece is sleeved on the hair straightener body, each of the mounting protrusions The protrusions are located between the first clamping arm and the second clamping arm, and the mounting protrusion on at least one side is provided with the triggering structure.
The hair straightener according to claim 7, wherein the mounting protrusion is in the shape of a strip extending along the length direction of the hair straightener.
The hair straightener according to claim 6, wherein the electronic control device includes a button assembly, and the button assembly is provided on the side of the convex hull.
The hair straightener of claim 5, wherein the first clamp arm includes a first housing, a second housing and a first sealing ring, the heating plate is provided on the first housing, and the The second housing and the first housing are enclosed to form an electronic control cavity. The second housing and the heating plate are distributed along the length direction of the first clamp arm. The first sealing ring is Between the first housing and the second housing and surrounding the electronic control cavity, the rechargeable battery and the electronic control device are located in the electronic control cavity.
The hair straightener of claim 5, wherein the first clamping arm includes a first housing and a second housing, the free end of the first housing is provided with a first groove, and the second The housing is installed on the side of the first housing facing the second clamp arm, and is located on the side of the first groove facing the hinge end, and the first groove is away from the second housing. The side wall of the groove is provided with a card slot; the first clamp arm also includes a first support frame, the first support frame is installed in the first groove, and the heating plate is installed in the first support frame, The heating component is arranged between the first support frame and the heating plate. One end of the first support frame is provided with a first convex part, and the other end is provided with a second convex part. The first convex part Extending into the slot, the second protrusion is limited between the second housing and the first housing.
The hair straightener according to claim 12, wherein the first housing is further provided with a second groove, the second groove is located on a side of the first groove facing the hinge end and is connected with the first groove. The first grooves are connected, the second housing is covered with the second groove, the second protrusion extends into the second groove, and is restricted in the direction in which the second housing faces One side inside the second groove.
The hair straightener according to claim 12, wherein the first groove has an activity space for the first support frame to move inward, and the slot has a space for the first protrusion to move along with the The activity space when the first support frame moves toward the first groove; the first clamp arm includes at least one elastic return member, and the elastic return member is provided between the first support frame and the first recess. between the bottom walls of the tank.
The hair straightener of claim 13, wherein the first groove has an activity space for the first support frame to move inward, and the slot has a space for the first protrusion to move along with the There is an activity space when the first support frame moves toward the first groove, and the second groove has a space for the second protrusion to move toward the first groove along with the first support frame. In the movable space, the first clamp arm includes at least one elastic return member, and the elastic return member is provided between the first support frame and the bottom wall of the first groove.
The hair straightener according to claim 5, wherein the first clamp arm includes a first housing, a second housing and a mounting base, and the second housing is enclosed with the first housing. An electronic control cavity is formed, and the rechargeable battery and the electronic control device are located in the electronic control cavity. An installation port is provided at one end of the second housing and on the side away from the first housing, and the The mounting seat is located in the electrical control cavity and seals the mounting opening. The mounting seat seals the mounting opening and the electrical control cavity. One end of the second clamping arm is provided with a hinge. part, and the hinge part passes through the installation opening and is hingedly connected to the installation base.
The hair straightener according to claim 16, wherein the second housing and the mounting base are provided separately, the second housing is provided with a mounting slot, and the mounting slot is connected with the mounting port, The hinge part is hinged in the installation groove, a third sealing ring is provided between the second housing and the installation seat, and the third sealing ring is arranged around the installation opening.
The hair straightener of claim 1, wherein the heating component includes a graphene heating structure located on a side of the heating plate facing away from the other heating plate, and the graphene heating structure is connected to the electric heating plate. The control device is electrically connected; the heating plate is made of stainless steel, aluminum or aluminum-magnesium alloy; the graphene heating structure and the heating plate are sintered into one body.