Hair straightening and curling device and method of use

Abstract

This invention discloses a dual-purpose straightening and curling hair styling iron and its usage method. It includes a clamping handle comprising a first clamping plate and a second clamping plate. The first and second clamping plates can be positioned close to or far apart, allowing the clamping handle to switch between an open and closed state. The clamping handle has a fixed heating plate, with a movable heating plate hinged to one end of the fixed heating plate. The inner sides of the fixed and movable heating plates have opposing curling surfaces, and the outer sides of the fixed and movable heating plates have opposing curling arc surfaces. A switching locking mechanism is provided between the movable heating plate and the second clamping plate, and between the movable heating plate and the fixed heating plate. The movable heating plate is locked in place with either the fixed heating plate or the second clamping plate through the switching locking mechanism. This design offers safe and convenient use.

Description

Technical Field

[0001] This invention relates to the field of hair curling iron technology, and in particular to a dual-purpose hair straightener and curler and its usage method. Background Technology

[0002] A Chinese patent with publication number CN212661323U discloses a two-in-one hair straightener and curler, comprising a handheld part, a circuit board assembly disposed within the handheld part, and a first clamping plate and a second clamping plate located at the front end of the handheld part. Both the first and second clamping plates contain heating elements. The first clamping plate has a first curling plane and a first curling arc surface, and the second clamping plate has a second curling plane and a second curling arc surface. It also includes a curling sleeve, which is fitted over the first and second clamping plates and detachably connected to the handheld part. The first clamping plate is rotatably connected to the second clamping plate via a hinge. A rotating motor is also disposed within the handheld part and is drively connected to the hinge. The hinge includes a fixed part disposed within the handheld part and a rotating part extending beyond the handheld part. The inner end of the rotating part is hinged to the fixed part via a pivot, and the outer end of the rotating part extends beyond the handheld part to form an operating part. The fixed part is fixedly connected to the first clamping plate, and the rotating part is fixedly connected to the second clamping plate.

[0003] However, the hair styling tool mentioned above has the following drawbacks: when curling hair, the operating part of its second clamp plate rotates synchronously with the hinge seat, which greatly affects the user's ease of operation. In addition, the hair styling tool lacks an external protective shell, which poses a risk of burns during use. Furthermore, its curling sleeve is external, which may cause clothing to be rolled up during use, resulting in safety hazards and unnecessary property damage. It is not safe enough and urgently needs improvement. Summary of the Invention

[0004] The purpose of this invention is to provide a dual-purpose hair straightener and curler and its usage method, which is safe to use and easy to operate.

[0005] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a hair straightener and curler combo, comprising a clamping handle, the clamping handle comprising a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate being able to move closer or further apart, so that the clamping handle can switch between an open state and a closed state, the clamping handle being provided with a fixed heating plate, a movable heating plate being hinged to one end of the fixed heating plate, the inner sides of the fixed heating plate and the movable heating plate being provided with a curling plane facing each other, the outer sides of the fixed heating plate and the movable heating plate being provided with a curling arc surface facing each other, a switching locking mechanism being provided between the movable heating plate and the second clamping plate, and between the movable heating plate and the fixed heating plate, the movable heating plate being locked in cooperation with the fixed heating plate or the second clamping plate through the switching locking mechanism;

[0006] When the movable ironing plate is locked to the fixed ironing plate by the switching locking mechanism, the movable ironing plate and the fixed ironing plate are tightly fitted together to curl the hair; when the movable ironing plate is locked to the second clamping plate by the switching locking mechanism, the clamping handle opens and closes to drive the movable ironing plate to switch between an open state and a closed state relative to the fixed ironing plate to straighten the hair.

[0007] An elastic buffer structure is provided between the movable ironing plate and the second clamping plate. When the clamping handle is opened and closed to straighten hair, the elastic buffer structure always has a tendency to drive the movable ironing plate and the second clamping plate to maintain a locked state through the switching locking mechanism.

[0008] By adopting the above technical solution, when curling hair is required, the locking mechanism of the movable ironing plate is rotated to a position where it locks with the fixed ironing plate, so that the curling surfaces of the movable and fixed ironing plates are in close contact. At this time, the curling arc surfaces on the outer sides of the movable and fixed ironing plates work together to form a cylindrical surface for curling hair. Hair is wrapped around this cylindrical surface to achieve the curling function. When straightening hair is required, the locking mechanism on the movable ironing plate is rotated to unlock it from the fixed ironing plate. Then, the unlocked movable ironing plate is moved to one end that is close to the second clamping plate. The locking mechanism is then rotated again to lock it with the second clamping plate. At this time, the curling arc surfaces on the outer sides of the movable and fixed ironing plates are respectively attached to and hidden in the corresponding first clamping plates. On the first and second clamping plates, the clamping handles allow the first and second clamping plates to switch between open and closed states, causing the movable heating plate to switch between open and closed states relative to the fixed heating plate. The straightening function is achieved using the inner curing surfaces of the movable and fixed heating plates. Furthermore, the invention includes an elastic buffer structure between the second locking component and the second clamping plate. During the opening and closing process of the movable heating plate relative to the fixed heating plate, the elastic buffer structure maintains the locking component and the second clamping plate in a locked state, effectively preventing accidental disengagement and unlocking. This design ensures safe and convenient operation.

[0009] A further configuration of the present invention is as follows: the switching locking mechanism includes a locking member, a first locking engagement component and a second locking engagement component that lock and engage with the locking member, the locking member being rotatably disposed on the movable heating plate, the first locking engagement component being fixedly disposed on the fixed heating plate, and the second locking engagement component being disposed on the second clamping plate.

[0010] By adopting the above technical solution, when curling is required, the locking member of the movable ironing plate is rotated to a position where it locks with the first locking engagement member of the fixed ironing plate, so that the inner surfaces of the movable ironing plate and the fixed ironing plate are pressed tightly together, and the outer surfaces of the movable ironing plate and the fixed ironing plate are used to achieve the curling function; when straightening is required, the locking member on the movable ironing plate is rotated to unlock the locking member from the first locking engagement member, and then the unlocked movable ironing plate is moved to one end that is pressed against the second clamping plate. Then the locking member is rotated to lock the locking member to the second locking engagement member. By opening and closing the clamping handle, the second clamping plate drives the movable ironing plate to open and close relative to the fixed ironing plate to achieve the straightening function.

[0011] A further configuration of the present invention is as follows: the locking member is rotatably mounted on the movable heating plate via a rotating shaft; the locking member is provided with a first locking hook and a second locking hook at circumferential intervals along the rotating shaft; the first locking engagement component has a first locking groove corresponding to the first locking hook, and the first locking hook is locked in engagement with the first locking groove; the second locking engagement component has a second locking groove corresponding to the second locking hook, and the second locking hook is locked in engagement with the second locking groove.

[0012] By adopting the above technical solution, rotating the locking member to lock its first or second locking hook with the corresponding first or second locking groove can realize the quick switching between the straightening and curling functions of the present invention.

[0013] A further configuration of the present invention is as follows: the clamping handle is provided with a drive control module and a connector fixedly connected to the first clamping plate; the fixed heating plate is fixedly connected to the connector; a hair curling sleeve is movably sleeved on the connector; and the hair curling sleeve is connected to the drive control module via a transmission component.

[0014] By adopting the above technical solution, when hair needs to be curled, the hair curling sleeve can be driven to rotate by the drive control module to achieve the purpose of automatic hair curling, thereby improving the ease of operation of the present invention when curling hair.

[0015] A further feature of the present invention is that the side wall of the locking member extends to provide a toggle portion, and the toggle portion extends in the opposite direction along the center line of the fan-shaped angle α formed between the first locking hook and the second locking hook.

[0016] By adopting the above technical solution, the addition of the toggle part improves the user's ease of operation. The user can push the toggle part in the forward or reverse direction to drive the locking part to rotate in the forward or reverse direction, thereby unlocking or locking with the first locking engagement part or the second locking engagement part. In addition, when the hair styling stick is in use, the surface temperature of the toggle part located at the distal end is much lower than that of the movable heating plate, which can effectively prevent the user from being burned when pushing the toggle plate.

[0017] A further feature of the present invention is that: an insulating component is fixedly provided at the end of the movable heating plate, the insulating component is provided with a positioning protrusion, and the locking component is provided with a plurality of positioning grooves corresponding to the positioning protrusion. When the first locking hook and the second locking hook of the locking component are locked and fixed with the corresponding first locking groove and the second locking groove, the positioning protrusion and the positioning groove are positioned and engaged.

[0018] By adopting the above technical solution, the heat insulation component can isolate the temperature between the movable heating plate and the locking component, preventing the temperature of the movable heating plate from being transferred to the locking component and causing the surface temperature of the locking component to be too high, which could result in burns when the user rotates the locking component. In addition, when the locking component is locked with the first locking engagement component or the second locking engagement component, the positioning protrusion on the heat insulation component and the corresponding positioning groove on the locking component are locked together, which can effectively prevent the locking component from being accidentally rotated and unlocked during use of the hair styling iron.

[0019] A further configuration of the present invention is as follows: the second clamping plate has a sliding cavity, the second locking engagement component is movably disposed in the sliding cavity, and the second locking engagement component has a slide rail, the second clamping plate has a slide groove corresponding to the slide rail that communicates with the sliding cavity, and the slide rail and the slide groove are guided and engaged.

[0020] By adopting the above technical solution, the second locking engagement component is guided and slidably disposed in the sliding cavity. The sliding cavity can effectively prevent the second locking engagement component from disengaging from the second clamping plate. The guiding engagement of the slide rail and the slide groove can ensure that the sliding direction of the second locking engagement component in the sliding cavity is more consistent, thereby improving the smoothness of the sliding of the second locking engagement component relative to the second clamping plate.

[0021] A further feature of the present invention is that the elastic buffer structure is configured as a first reset spring, which is elastically disposed between the second clamping plate and the second locking engagement component and located within the sliding cavity.

[0022] By adopting the above technical solution, during the straightening process, when the clamping handle is closed, the movable heating plate pushes the second locking engagement component to compress the first return spring. At this time, the first return spring is compressed and accumulates elastic potential energy. The elastic force of the first return spring acts on the second locking engagement component to firmly lock the locking member. When the clamping handle is opened, the first return spring releases elastic potential energy to push the second locking engagement component to abut against the locking member, so that the locking member and the second locking engagement component always remain locked, preventing the locking member and the second locking engagement component from accidentally disengaging when the clamping handle is opened and closed during the straightening process of this invention.

[0023] A further feature of the present invention is that a second reset spring is provided between the first clamping plate and the second clamping plate, and the second reset spring always has a tendency to drive the first clamping plate and the second clamping plate to open relative to each other.

[0024] By adopting the above technical solution, when the user presses the clamping handle to close it, the second return spring is compressed. When the user releases the pressure on the clamping handle, the second return spring can automatically push the clamping handle from the closed state to the open state.

[0025] Another technical objective of this invention is to provide a method for using a dual-purpose straightening and curling hair styling iron, comprising the following steps:

[0026] S1: Perming and Curling: When the locking part at the end of the movable perming plate is locked to the fixed perming plate by switching the locking mechanism, the perming plane of the movable perming plate and the fixed perming plate are in close contact. At this time, the perming arc surface located on the outside of the movable perming plate and the fixed perming plate cooperates to form a cylindrical surface for perming and curling. Then, the hair is coiled on the cylindrical surface to achieve the perming and curling function.

[0027] S2: Unlock: Rotate the locking piece to unlock it from the fixed heating plate, and push the movable heating plate to bring it close to the second clamping plate and make it fit tightly against it;

[0028] S3: Locking: Rotate the locking member to lock and fix it with the second clamping plate. At this time, the hair-curling arc surface located on the outside of the movable ironing plate and the fixed ironing plate is hidden in the corresponding first clamping plate and second clamping plate side.

[0029] S4: Hair straightening: When the locking member is locked and fixed with the second clamping plate, the first clamping plate and the second clamping plate are switched between open and closed states by opening and closing the clamping handle. At the same time, the movable heating plate is switched between open and closed states relative to the fixed heating plate. A hair-accommodating space is formed between the movable heating plate and the fixed heating plate. The hair straightening function is realized by using the hair-curing plane located on the inner side of the movable heating plate and the fixed heating plate.

[0030] S5: Buffer: When the clamping handle is opened and closed for straightening, the elastic buffering force of the elastic buffer structure is used to keep the movable ironing plate and the second clamping plate locked by the switching locking mechanism.

[0031] In summary, the present invention has the following beneficial effects:

[0032] 1. A fixed ironing plate is set on the first clamping plate, and a movable ironing plate is hinged to the fixed ironing plate. The output end of the drive motor is connected to the connecting member. A curling sleeve is fixedly installed on the connecting member. The clamping handle includes an openable and closable first clamping plate and a second clamping plate. When curling is required, the locking member is rotated to a position where it is locked with the first locking engagement component of the fixed ironing plate. The first locking groove of the first locking engagement component and the first locking hook of the locking member are locked together to achieve fixation. At this time, the drive motor drives the curling sleeve to rotate relative to the movable ironing plate and the fixed ironing plate to achieve curling. When straightening is required, the locking member is rotated to a position where it is locked with the second locking engagement component. The second locking groove of the second locking engagement component and the second locking hook of the locking member are locked together to achieve fixation. At this time, opening and closing the clamping handle can drive the movable ironing plate to open and close relative to the fixed ironing plate to achieve the purpose of straightening.

[0033] 2. The invention employs a method where a second locking engagement component is slidably mounted on a second clamping plate, and an elastic buffer structure is provided between the second locking engagement component and the second clamping plate. Utilizing the elastic buffering force of this structure, the second locking engagement component slides back and forth along the length of the second clamping plate during the opening and closing of the movable ironing plate relative to the fixed ironing plate. This prevents the movable ironing plate from jamming relative to the clamping handle during the hair straightening process. Simultaneously, the elastic buffer structure ensures that the locking component remains locked to the second locking engagement component, preventing the locking component from disengaging from the second locking engagement component during the opening and closing of the clamping handle. This method offers the advantages of secure locking, safe use, and convenient operation. Attached Figure Description

[0034] Figure 1 This is a structural diagram of the present invention in the state of hair curling, with the clamping handle in the open state.

[0035] Figure 2 This is the present invention. Figure 1 A longitudinal sectional view.

[0036] Figure 3 This is the present invention. Figure 2 A magnified view of a portion of region A in the middle.

[0037] Figure 4 This is the present invention. Figure 2 A magnified view of a portion of region B in the middle.

[0038] Figure 5 This is a structural diagram of the present invention in the state of straightening hair, with the clamping handle in the open state.

[0039] Figure 6 This is an exploded view of the present invention.

[0040] Figure 7 This is an exploded view of the hair curler and drive motor of the present invention.

[0041] Figure 8 This is the present invention. Figure 6 A longitudinal sectional view.

[0042] Figure 9 This is the present invention. Figure 8 A magnified view of a portion of region C.

[0043] Figure 10 This is a structural diagram of the present invention in the state of straightening hair, with the clamping handle in the closed state.

[0044] Figure 11 This is the present invention. Figure 10 A longitudinal sectional view.

[0045] Figure 12 This is the present invention. Figure 11 A magnified view of a portion of region D.

[0046] In the diagram: a) Perming plane; b) Perming curved surface; 1) Clamping handle; 1a) Charging interface; 11) First clamping plate; 12) Second clamping plate; 12a) Sliding cavity; 12b) Sliding groove; 2) Connector; 21) Fixed perming plate; 22) Movable perming plate; 221) Heat insulation component; 221a) Mounting groove; 2210) Limiting part; 2211) Positioning protrusion; 3) Curling sleeve; 31) Inner tooth ring; 4) Locking mechanism Components; 4a, positioning groove; 40, rotating shaft; 41, first locking hook; 42, second locking hook; 43, actuating part; 5, first locking engagement component; 5a, first locking groove; 6, second locking engagement component; 6a, second locking groove; 61, slide rail; 71, first return spring; 72, second return spring; 81, control board; 82, drive motor; 820, motor mounting base; 821, gear; 83, battery module. Detailed Implementation

[0047] The invention will now be further described with reference to the accompanying drawings.

[0048] A 2-in-1 hair straightener and curler, such as Figure 1-7As shown, the device includes a clamping handle 1 and a drive control module. The clamping handle 1 has a battery module 83 corresponding to the drive control module, and a charging interface 1a corresponding to the battery module 83, which can be used to charge the battery module 83. The clamping handle 1 includes a first clamping plate 11 and a second clamping plate 12. One end of the first clamping plate 11 and the second clamping plate 12 are hinged together by a pin. The second clamping plate 12 can open and close relative to the first clamping plate 11 along the pin, allowing the clamping handle 1 to switch between an open and closed state. A connecting member 2 is fixedly provided on the clamping handle 1, and a fixed heating plate 21 is fixedly provided on the connecting member 2. A movable heating plate 22 is hinged to the fixed heating plate 21, allowing the movable heating plate 22 to move relative to the fixed heating plate 21. The device flips between an open and closed state; a switching locking mechanism is provided between the clamping handle 1 and the movable heating plate 22. The switching locking mechanism includes a locking member 4, a first locking engagement component 5 and a second locking engagement component 6 that lock and engage with the locking member 4. The locking member 4 is rotatably mounted on the movable heating plate 22, the first locking engagement component 5 is fixedly mounted on the fixed heating plate 21, and the second locking engagement component 6 is slidably mounted on the second clamping plate 12. An elastic buffer structure is provided between the second locking engagement component 6 and the second clamping plate 12. The elastic buffer structure always has a tendency to drive the locking member 4 and the second locking engagement component 6 to maintain the locked state. A connecting member 2 is fixedly connected to the first clamping plate 11, and the fixed heating plate 21 is fixedly connected to the connecting member 2. 2. An outer movable sleeve 3 is provided. The curling sleeve 3 is connected to the drive control module via a transmission component. The transmission component includes an internal gear ring 31 and a gear 821. The drive control module includes a control board 81 and a drive motor 82 electrically connected to the control board 81. The drive motor 82 is fixedly mounted on the clamping handle 1 via a motor mounting base 820. The motor mounting base 820 is fixedly connected to the connector 2. The gear 821 is coaxially fixed on the output shaft of the drive motor 82. The internal gear ring 31 is coaxially fixedly connected to the curling sleeve 3. Gaps for hair to be inserted are left between the curling sleeve 3 and the fixed heating plate 21, and between the curling sleeve 3 and the movable heating plate 22. The inner sides of the fixed heating plate 21 and the movable heating plate 22 are provided with a perming plane a. The outer side of the heating plate 22 is provided with a hair-curling arc surface b. The end of the movable heating plate 22 is fixed with a heat insulation component 221. The heat insulation component 221 is provided with an installation groove 221a corresponding to the locking component 4. The locking component 4 is rotatably disposed in the installation groove 221a. The heat insulation component 221 can isolate the temperature between the movable heating plate 22 and the locking component 4, preventing the temperature of the movable heating plate 22 from being transferred to the locking component 4, causing the surface temperature of the locking component 4 to be too high, resulting in burns when the user rotates the locking component 4. When curling hair, the meshing of the gear 821 and the inner gear ring 31 is used to drive the drive motor 82 to drive the inner gear ring 31 to rotate, thereby causing the inner gear ring 31 to drive the curling sleeve 3 to rotate relative to the fixed heating plate 21 and the movable heating plate 22 to achieve the hair-curling function.

[0049] like Figure 3-4 and Figure 8-12 As shown, the locking member 4 is rotatably mounted on the movable heating plate 22 via a rotating shaft 40. The locking member 4 has a first locking hook 41 and a second locking hook 42 spaced apart along the circumference of the rotating shaft 40. A first locking engagement component 5 has a first locking groove 5a corresponding to the first locking hook 41, and the first locking hook 41 locks into the first locking groove 5a. A second locking engagement component 6 has a second locking groove 6a corresponding to the second locking hook 42, and the second locking hook 42 locks into the second locking groove 6a. Rotating the locking member 4 causes its first locking hook 41 or second locking hook 42 to engage with the corresponding... The first locking groove 5a or the second locking groove 6a locks and fixes the device, enabling quick switching between the straightening and curling functions of this invention. A toggle part 43 extends from the side wall of the locking member 4, and the toggle part 43 extends in the opposite direction along the central ray of the fan-shaped angle α between the first locking hook 41 and the second locking hook 42. In this embodiment, the fan-shaped angle α is set to 90 degrees. The addition of the toggle part 43 improves the user's ease of operation. The user can push the toggle part 43 forward or backward to rotate the locking member 4 in both directions, thus achieving the desired engagement with the first locking hook. The unlocking or locking mechanism between hook 41 and the second hook 42 is also provided. Furthermore, when the hair styling tool is in use, the surface temperature of the distal end of the actuating part 43 is much lower than that of the movable heating plate 22, effectively preventing burns when the user pushes the actuating plate. The movable heating plate 22 has a limiting part 2210 corresponding to the locking member 4. In this embodiment, the limiting part 2210 is located on the heat insulation member 221. The locking member 4 cooperates with the limiting part 2210 in its rotation path, and the limiting part 2210 can limit the rotation angle of the locking member 4, preventing burns. To prevent the present invention from jamming due to excessive rotation of the locking member 4 when switching between the perming and straightening functions, the heat insulation member 221 has a positioning protrusion 2211 on the inner wall of the mounting groove 221a. The locking member 4 has two positioning grooves 4a corresponding to the positioning protrusion 2211. When the first locking hook 41 and the second locking hook 42 of the locking member 4 are locked and fixed with the corresponding first locking groove 5a and the second locking groove 6a, the positioning protrusion 2211 is engaged in the corresponding positioning groove 4a for locking and positioning.

[0050] like Figure 3 , Figure 6-7 , Figure 9 and Figure 12As shown, the second clamping plate 12 has a sliding cavity 12a, and the second locking engagement component 6 is movably disposed within the sliding cavity 12a. The second locking engagement component 6 has a slide rail 61, and the second clamping plate 12 has a groove 12b corresponding to the slide rail 61, communicating with the sliding cavity 12a. The slide rail 61 and the groove 12b are guided together, allowing the second locking engagement component 6 to slide smoothly within the sliding cavity 12a. The sliding cavity 12a effectively prevents the second locking engagement component from detaching from the second clamping plate 12. The guiding engagement between the slide rail 61 and the groove 12b ensures that the second locking engagement component 6 slides in a more consistent direction within the sliding cavity 12a, improving the smoothness of the sliding of the second locking engagement component 6 relative to the second clamping plate 12. The elastic buffer structure is a first return spring 71. The return spring 71 is elastically disposed between the first clamping plate 11 and the second locking engagement component 6 and located in the sliding cavity 12a. During the straightening process, when the clamping handle 1 is closed, the movable straightening plate 22 pushes the second locking engagement component 6 to compress the first return spring 71. At this time, the first return spring 71 is compressed and accumulates elastic potential energy. The elastic force of the first return spring 71 acts on the second locking engagement component 6 to firmly lock the locking member 4. When the clamping handle 1 is opened, the first return spring 71 releases elastic potential energy to push the second locking engagement component 6 to abut against the locking member 4, so that the locking member 4 and the second locking engagement component 6 always remain locked, preventing the locking member 4 from accidentally disengaging from the second locking engagement component 6 when the clamping handle 1 is opened and closed during the straightening process of this invention.

[0051] like Figure 2 , Figure 4 , Figure 6-9 and Figure 11-12 As shown, a second return spring 72 is provided between the first clamping plate 11 and the second clamping plate 12. The second return spring 72 always has a tendency to drive the first clamping plate 11 and the second clamping plate 12 to open relative to each other. When the user presses the clamping handle 1 to put it in the closed state, the second return spring 72 is in the compressed state. When the pressing force on the clamping handle 1 is released, the second return spring 72 can make the clamping handle 1 automatically open from the closed state to the open state.

[0052] The basic working principle of this invention is as follows: The clamping handle 1 includes an openable first clamping plate 11 and a second clamping plate 12. A fixed ironing plate 21 is fixedly mounted on the first clamping plate 11 through a connecting member 2. A curling sleeve 3 is movably sleeved on the connecting member 2. A movable ironing plate 22 is hinged to the fixed ironing plate 21. The output end of the drive motor 82 is connected to the curling sleeve 3 through a transmission assembly. When curling is required, the locking member 4 is rotated to a position where it is locked to the first locking engagement member 5 of the fixed ironing plate 21. The first locking groove 5a of the first locking engagement member 5 and the first locking hook 41 of the locking member 4 are locked together to achieve fixation. At this time, the drive motor 82 drives the curling sleeve 3 to rotate relative to the movable ironing plate 22 and the fixed ironing plate 21 to achieve curling. When straightening is required, the locking member 4 is rotated to a position where it is locked to the second locking engagement member 6. The second locking groove 6a of the second locking engagement member 6 and the second locking hook 42 of the locking member 4 are locked together to achieve straightening. When fixed, the movable ironing plate 22 can be opened and closed relative to the fixed ironing plate 21 by opening and closing the clamping handle 1, and the purpose of straightening hair is achieved by using the fixed ironing plate 21 and the movable ironing plate 22. In addition, the second locking engagement component 6 of the present invention is slidably disposed on the second clamping plate 12, and an elastic buffer structure is provided between the second locking engagement component 6 and the second clamping plate 12. The elastic buffering force of the elastic buffer structure allows the second locking engagement component 6 to slide back and forth along the length direction of the second clamping plate 12 during the opening and closing of the movable ironing plate 22 relative to the fixed ironing plate 21, preventing the movable ironing plate 22 from jamming relative to the clamping handle 1 during the straightening process of the present invention. At the same time, the elastic buffer structure can keep the locking component 4 locked with the second locking engagement component 6 at all times, preventing the locking component 4 from disengaging from the second locking engagement component 6 when the clamping handle 1 is opened and closed during the straightening process, which has the effect of safe use and convenient operation.

[0053] Another technical objective of this invention is to provide a method for using a dual-purpose straightening and curling hair styling iron, comprising the following steps:

[0054] S1: Perming and Curling: When the locking part at the end of the movable perming plate is locked to the fixed perming plate through the switching locking mechanism, the perming plane of the movable perming plate and the fixed perming plate are in close contact. At this time, the perming arc surface located on the outside of the movable perming plate and the fixed perming plate cooperates to form a cylindrical surface for perming and curling. Then, the hair is coiled on the cylindrical surface through the gap between the fixed perming plate and the curling sleeve to achieve the perming and curling function.

[0055] S2: Unlock: Rotate the locking piece to unlock it from the fixed heating plate, and push the movable heating plate to bring it close to the second clamping plate and make it fit tightly against it;

[0056] S3: Locking: Rotate the locking member to lock and fix it with the second clamping plate. At this time, the hair-curling arc surface located on the outside of the movable ironing plate and the fixed ironing plate is hidden in the corresponding first clamping plate and second clamping plate side.

[0057] S4: Hair straightening: When the locking member is locked and fixed with the second clamping plate, the first clamping plate and the second clamping plate are switched between open and closed states by opening and closing the clamping handle. At the same time, the movable heating plate is switched between open and closed states relative to the fixed heating plate. A hair-accommodating space is formed between the movable heating plate and the fixed heating plate. The hair straightening function is realized by using the hair-curing plane located on the inner side of the movable heating plate and the fixed heating plate.

[0058] S5: Buffer: When the clamping handle is opened and closed for straightening, the elastic buffering force of the elastic buffer structure is used to keep the movable ironing plate and the second clamping plate locked by the switching locking mechanism.

[0059] The above description is only a preferred embodiment of the present invention. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of this patent application are included in the scope of this patent application.

Claims

1. A hair straightener and curler combo, comprising a clamping handle (1), wherein the clamping handle (1) includes a first clamping plate (11) and a second clamping plate (12), the first clamping plate (11) and the second clamping plate (12) being able to move closer or further apart, thereby allowing the clamping handle (1) to switch between an open state and a closed state, characterized in that: The clamping handle (1) is provided with a fixed hot plate (21), and a movable hot plate (22) is hinged to one end of the fixed hot plate (21). The inner sides of the fixed hot plate (21) and the movable hot plate (22) are provided with a hair perming plane (a) and the outer sides of the fixed hot plate (21) and the movable hot plate (22) are provided with a hair perming arc surface (b). A switching locking mechanism is provided between the movable hot plate (22) and the second clamping plate (12) and between the movable hot plate (22) and the fixed hot plate (21). The movable hot plate (22) is locked to the fixed hot plate (21) or the second clamping plate (12) through the switching locking mechanism. When the movable ironing plate (22) is locked to the fixed ironing plate (21) through the switching locking mechanism, the movable ironing plate (22) and the fixed ironing plate (21) are tightly fitted together for curling hair; when the movable ironing plate (22) is locked to the second clamping plate (12) through the switching locking mechanism, the clamping handle (1) opens and closes to drive the movable ironing plate (22) to switch between an open state and a closed state relative to the fixed ironing plate (21) for straightening hair; An elastic buffer structure is provided between the movable ironing plate (22) and the second clamping plate (12). When the clamping handle (1) is opened and closed to straighten hair, the elastic buffer structure always has a tendency to drive the movable ironing plate (22) and the second clamping plate (12) to maintain a locked state through the switching locking mechanism.

2. A straightening and curling combination styling rod according to claim 1, characterised in that: The switching locking mechanism includes a locking member (4), a first locking engagement component (5) and a second locking engagement component (6) that lock and engage with the locking member (4). The locking member (4) is rotatably mounted on the movable heating plate (22), the first locking engagement component (5) is fixedly mounted on the fixed heating plate (21), and the second locking engagement component (6) is mounted on the second clamping plate (12).

3. The dual-purpose straightening and curling hair styling iron according to claim 2, characterized in that: The locking member (4) is rotatably mounted on the movable heating plate (22) via a rotating shaft (40). The locking member (4) is provided with a first locking hook (41) and a second locking hook (42) at intervals along the circumference of the rotating shaft (40). The first locking engagement component (5) has a first locking groove (5a) corresponding to the first locking hook (41), and the first locking hook (41) is locked in place with the first locking groove (5a). The second locking engagement component (6) has a second locking groove (6a) corresponding to the second locking hook (42), and the second locking hook (42) is locked in place with the second locking groove (6a).

4. The dual-purpose straightening and curling hair styling iron according to claim 2, characterized in that: The clamping handle (1) is provided with a drive control module and a connector (2) fixedly connected to the first clamping plate (11). The fixed heating plate (21) is fixedly connected to the connector (2). A hair curling sleeve (3) is movably sleeved on the connector (2). The hair curling sleeve (3) is connected to the drive control module through a transmission component.

5. The dual-purpose straightening and curling hair styling iron according to claim 3, characterized in that: The locking member (4) has a toggle part (43) extending from its side wall, and the toggle part (43) extends in the opposite direction along the center line of the fan-shaped angle α formed between the first locking hook (41) and the second locking hook (42).

6. The dual-purpose straightening and curling hair styling iron according to claim 5, characterized in that: The end of the movable heating plate (22) is fixed with a heat insulation component (221), the heat insulation component (221) is provided with a positioning protrusion (2211), and the locking component (4) is provided with a plurality of positioning grooves (4a) corresponding to the positioning protrusion (2211). When the first locking hook (41) and the second locking hook (42) of the locking component (4) are locked and fixed with the corresponding first locking groove (5a) and the second locking groove (6a), the positioning protrusion (2211) and the positioning groove (4a) are positioned and engaged.

7. The dual-purpose straightening and curling hair styling iron according to claim 2, characterized in that: The second clamping plate (12) has a sliding cavity (12a), the second locking engagement component (6) is movably disposed in the sliding cavity (12a), and the second locking engagement component (6) has a slide rail (61). The second clamping plate (12) has a slide groove (12b) corresponding to the slide rail (61) that communicates with the sliding cavity (12a). The slide rail (61) and the slide groove (12b) are guided and engaged.

8. The dual-purpose straightening and curling hair styling iron according to claim 7, characterized in that: The elastic buffer structure is configured as a first return spring (71), which is elastically disposed between the second clamping plate (12) and the second locking engagement component (6) and located within the sliding cavity (12a).

9. The dual-purpose straightening and curling hair styling iron according to claim 1, characterized in that: A second return spring (72) is provided between the first clamping plate (11) and the second clamping plate (12). The second return spring (72) always has a tendency to drive the first clamping plate (11) and the second clamping plate (12) to open relative to each other.

10. A method of using a dual-purpose straightening and curling hair styling iron as described in any one of claims 2-8, characterized in that, Includes the following steps: S1: Perming and Curling: When the locking part at the end of the movable perming plate is locked to the fixed perming plate by switching the locking mechanism, the perming plane of the movable perming plate and the fixed perming plate are in close contact. At this time, the perming arc surface located on the outside of the movable perming plate and the fixed perming plate cooperates to form a cylindrical surface for perming and curling. Then, the hair is coiled on the cylindrical surface to achieve the perming and curling function. S2: Unlock: Rotate the locking piece to unlock it from the fixed heating plate, and push the movable heating plate to bring it close to the second clamping plate and make it fit tightly against it; S3: Locking: Rotate the locking member to lock and fix it with the second clamping plate. At this time, the hair-curling arc surface located on the outside of the movable ironing plate and the fixed ironing plate is hidden in the corresponding first clamping plate and second clamping plate side. S4: Hair straightening: When the locking member is locked and fixed with the second clamping plate, the first clamping plate and the second clamping plate are switched between open and closed states by opening and closing the clamping handle. At the same time, the movable heating plate is switched between open and closed states relative to the fixed heating plate. A hair-accommodating space is formed between the movable heating plate and the fixed heating plate. The hair straightening function is realized by using the hair-curing plane located on the inner side of the movable heating plate and the fixed heating plate. S5: Buffer: When the clamping handle is opened and closed for straightening, the elastic buffering force of the elastic buffer structure is used to keep the movable ironing plate and the second clamping plate locked by the switching locking mechanism.

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