Portable wireless hair straightener

Abstract

The utility model discloses a portable wireless hair straightener which comprises a body, the body comprises two clamping seats and a power supply circuit, each clamping seat comprises a half shell and a heating assembly, the heating assembly is installed in an installation groove in the front portion of the half shell, the rear ends of the two half shells are hinged, the heating assembly comprises clamping plates, and the clamping plates of the two heating assemblies are oppositely arranged; the back of the clamping plate comprises an insulating layer, and the back of the insulating layer comprises a heating slurry printed circuit serving as a heating piece. The insulating layer is coated on the back surface of the clamping plate, the heating slurry printed circuit serving as a heating element is printed on the back surface of the insulating layer, no gap exists between the insulating layer and the heating slurry printed circuit, the heat-conducting property is good, and the heat loss of the heating plate is small.

Description

[TECHNICAL FIELD]

[0001] The utility model relates to a straightening iron, especially to a portable wireless straightening iron. [BACKGROUND]

[0002] A straightening iron is an electrical device used for hair styling, mainly for straightening curly or wavy hair by heating, making the hair smooth and straight. The working principle of a straightening iron is usually to heat two metal plates (or ceramic plates), then clamp the hair and apply heat, so that the structure of the hair changes, achieving the effect of straightening.

[0003] The utility model discloses a portable intelligent wireless straightening iron, including upper clamping seat, lower clamping seat and heating assembly, the lower clamping seat with upper clamping seat upside down opposite setting, and the right end of lower clamping seat with the right end of upper clamping seat rotation connection, the heating assembly includes upper heating plate, lower heating plate and heating piece, the upper heating plate sets up in the left end of the lower surface of upper clamping seat, the lower heating plate sets up in the left end of the upper surface of lower clamping seat, and the heating piece sets up in upper clamping seat and lower clamping seat, is used for heating upper heating plate and lower heating plate. The upper heating plate and the lower heating plate of the utility model all include heat conduction plate and clamping plate, and the heat conduction plate is connected with the heating piece, and the clamping plate is connected with the heat conduction plate. But there is a gap between the clamping plate and the heat conduction plate, and the heat conduction performance is not good, and the heat loss is big. [SUMMARY]

[0004] The utility model wants to solve the technical problem of providing a portable wireless straightening iron with good heat conduction performance between the heating piece and the clamping plate and small heat loss of the heating plate.

[0005] In order to solve the above technical problem, the utility model adopts the technical scheme, a portable wireless straightening iron, including body, the body includes two clamping seats and power supply circuit, the clamping seat includes half shell and heating assembly, the heating assembly is installed in the mounting groove of half shell front part, and the rear end of two half shells is hinged, and the heating assembly includes a clamping plate, and the clamping plates of two heating assemblies are oppositely arranged. The back of the clamping plate includes an insulating layer, and the back of the insulating layer includes a heating paste printed circuit as a heating piece.

[0006] The portable wireless hair straightener described above includes a heating element comprising a heat insulation sheet, a clamping plate bracket, a plurality of elastic pads, and a heating element bracket. The clamping plate bracket includes a support plate, a plurality of guide posts, and corresponding limiting screws. The plurality of guide posts are fixed to the back of the support plate, and the clamping plate is fixed to the front of the support plate. A heat insulation sheet is arranged between the heating paste printed circuit of the clamping plate and the support plate. An elastic pad is fitted over the guide posts of the clamping plate bracket. The heating component bracket includes stepped holes corresponding to the guide posts. The stepped holes facing the front are large holes, and the holes facing the back are small holes. The small holes of the stepped holes are guide holes. The guide posts of the clamping plate bracket are inserted into the corresponding guide holes, and the two slide in fit. The rear part of the elastic pad is inserted into the large hole of the stepped hole. The rear end face of the elastic pad, i.e., the back of the elastic pad, abuts against the bottom surface of the large hole of the stepped hole, and the front end face of the elastic pad, i.e., the front of the elastic pad, abuts against the back of the support plate of the clamping plate bracket. A gap is left between the back of the support plate of the clamping plate bracket and the front of the heating component bracket. The rear end of the guide post includes an axial threaded hole. The limiting screw is screwed into the threaded hole of the corresponding guide post. The diameter of the head of the limiting screw is larger than the diameter of the guide hole.

[0007] The portable wireless hair straightener described above has a clamp plate comprising four side plates, and a support plate of the clamp plate bracket entering a groove formed by the four side plates of the clamp plate; the rear end of the side plates of the clamp plate includes a plurality of buckles, which are bent and hooked onto the edge of the back of the support plate; the periphery of the heating component bracket includes an annular protrusion, and the four side plates of the clamp plate enter a groove formed by the annular protrusion, with a heat insulation gap between the four side plates of the clamp plate and the annular protrusion; the front edge of the heating component bracket engages with the front inner edge of the half-shell mounting groove, and the edges on both sides of the heating component bracket engage with the inner edges on both sides of the half-shell mounting groove.

[0008] The portable wireless hair straightener described above has an elastic pad comprising a cylindrical rubber ring and two radial wing plates connected to the cylindrical rubber ring. The two radial wing plates are arranged at both ends of the cylindrical rubber ring in the diameter direction. The shape of the stepped hole is adapted to the shape of the elastic pad. The long axis of the elastic pad is orthogonal to the long axis of the heating component bracket.

[0009] The portable wireless hair straightener described above has a silicone pad as its elastic pad, and a radial wing plate that includes a radial groove communicating with the inner hole of a cylindrical rubber ring. Both sides of the cylindrical rubber ring and the radial wing plate include multiple small holes to increase the compressibility of the elastic pad.

[0010] The portable wireless hair straightener described above has multiple protrusions on the back of the clamp bracket support plate and in contact with the elastic pad cylindrical rubber ring and the wing plate. The back of the clamp bracket support plate makes multiple contacts with the front of the elastic pad cylindrical rubber ring and the wing plate.

[0011] The portable wireless straightening device has a clamping seat including a half-shell cover plate, a rear edge of the half-shell cover plate is clamped with a rear inner edge of a half-shell mounting groove, and edges on both sides of the half-shell cover plate are clamped with inner edges on both sides of the half-shell mounting groove; a front edge of the first half-shell cover plate is pressed on a rear edge of the first heating assembly support, and a front end of the second half-shell cover plate is connected with a rear end of the second heating assembly support.

[0012] The portable wireless straightening device has a second half-shell cover plate, a middle part of the second half-shell cover plate protrudes outward, a battery cavity is formed between the second half-shell cover plate and a rear part of the second half-shell, and a battery of the power supply circuit is mounted in the battery cavity; a middle part of the first half-shell cover plate is recessed inward, a circuit cavity is formed between the first half-shell cover plate and a rear part of the first half-shell, a circuit board of the power supply circuit is arranged in the circuit cavity, and a heating paste printed circuit and the battery are respectively connected with the circuit board; the circuit board includes a power supply switch, a switch button is mounted on the rear part of the first half-shell, and the power supply switch faces the switch button.

[0013] The portable wireless straightening device has a heat insulation sleeve, the heat insulation sleeve is sleeved on a front part of the body; an outer surface of the heat insulation sleeve is wrapped with a heat insulation layer, an outer surface of the rear part of the half-shell is covered with the heat insulation layer, and outer surfaces of the heat insulation sleeve and the heat insulation layer of the rear part of the half-shell are respectively covered with a decorative layer.

[0014] The portable wireless straightening device has a decorative layer which is a man-made diamond layer.

[0015] The insulating layer of the portable wireless straightening device heating assembly clamping plate is coated on the back of the clamping plate, the heating paste printed circuit serving as a heating element is printed on the back of the insulating layer, and there is no gap between the insulating layer and the heating paste printed circuit, so that the heat conduction performance is good, and the heat loss of the heating plate is small. [SUMMARY]

[0016] The utility model makes further detailed instructions in combination with the drawings and specific embodiment.

[0017] Figure 1 Is the utility model example portable wireless straightening device heat insulation sleeve and the body's exploded view.

[0018] Figure 2 Is the utility model example portable wireless straightening device body's perspective drawing.

[0019] Figure 3 Is the utility model example portable wireless straightening device's exploded view.

[0020] Figure 4 Is the utility model example portable wireless straightening device's plan view.

[0021] Figure 5 Is Figure 4 A-A sectional view in.

[0022] Figure 6 is the cross-sectional view of the front part of the portable wireless straightening iron according to the embodiment of the present application.

[0023] Figure 7 is Figure 4 the B-B cross-sectional view in the figure.

[0024] Figure 8 is Figure 7 the partial enlarged view of the I part in the figure.

[0025] Figure 9 is Figure 4 the C-C cross-sectional view in the figure.

[0026] Figure 10 is the exploded view of the heating assembly according to the embodiment of the present application.

[0027] Figure 11 is the perspective view of the elastic pad according to the embodiment of the present application.

[0028] Figure 12 is the perspective view of the clamping plate according to the embodiment of the present application.

[0029] Figure 13 is the perspective view of the clamping plate support according to the embodiment of the present application. [DETAILED DESCRIPTION]

[0030] The structure of the portable wireless straightening iron according to the embodiment of the present application is shown in the figure. Figures 1 to 13 The body 100 includes two clamping seats 100A and a power supply circuit, the clamping seat 100A includes a half shell 10, a half shell cover plate 12 and a heating assembly 20, the heating assembly 20 is installed in the mounting groove 11 in the front part of the half shell 10, the rear ends of the two half shells 10 are hinged through a hinge shaft 01,

[0031] The heating assembly 20 comprises a clamping plate 21 made of steel plate, a mica heat insulation sheet 22, a clamping plate support 23, two silica gel elastic pads 24 and a heating assembly support 25. The clamping plates 21 of the heating assembly 20 are oppositely arranged. The back surface of the clamping plate 21 is coated with an insulating layer 211, and the back surface of the insulating layer 211 is printed with a heating paste printed circuit 212 as a heating element. The clamping plate support 23 comprises a support plate 231, two guide columns 232 and limiting screws 233 corresponding to the guide columns 232. The two guide columns 232 are fixed on the back surface of the support plate 231, and the clamping plate 21 is fixed on the front surface of the support plate 231. The mica heat insulation sheet 22 is arranged between the heating paste printed circuit 212 of the clamping plate and the support plate 231. The back surface of the clamping plate 21 is coated with an insulating layer 211, and the back surface of the insulating layer 211 is printed with a heating paste printed circuit 212 as a heating element, which eliminates the gap between the heating element and the clamping plate, has good heat conduction performance, small heat loss and fast heating speed of the clamping plate. The heating paste printed circuit adopts a heating paste containing conductive material and insulating substrate, which can generate heat when current passes through, thereby realizing the heating function. In the embodiment of the utility model, the graphene heating paste is used to make the printed circuit on the back surface of the clamping plate 21, and the graphene electrothermal film is formed as the heating element of the clamping plate 21.

[0032] The silica gel elastic pad 24 is sleeved outside the guide column 232 of the clamping plate support 23. The heating assembly support 25 has stepped holes 251 corresponding to the two guide columns 232, and the stepped holes 251 have large holes facing the front surface and small holes facing the back surface. The small holes of the stepped holes 251 are guide holes, the guide column 232 of the clamping plate support 23 is inserted into the corresponding guide hole of the heating assembly support 25, and the guide column 232 and the guide hole are in sliding fit. The rear part of the silica gel elastic pad 24 is inserted into the large hole of the stepped hole 251, the rear end surface of the silica gel elastic pad 24, i.e. the back surface of the silica gel elastic pad 24, is placed on the bottom surface of the large hole of the stepped hole 251, and the front end surface of the silica gel elastic pad 24, i.e. the front surface of the silica gel elastic pad 24, is placed on the back surface of the support plate 231 of the clamping plate support 23. There is a gap Δ between the back surface of the support plate 231 of the clamping plate support 23 and the front surface of the heating assembly support 25. The rear end of the guide column 232 has an axial threaded hole, and the limiting screw 233 is screwed into the threaded hole corresponding to the guide column 232, and the diameter of the head of the limiting screw 233 is larger than the diameter of the small hole of the stepped hole 251.

[0033] In order to fix the clamp plate 21, the four side plates 213 of the clamp plate 21 are inserted into the recess formed by the four side plates 213 of the clamp plate 21, and the support plate 231 of the clamp holder 23 is inserted into the recess formed by the four side plates 213 of the clamp plate 21. The rear end of the side plate 213 of the clamp plate 21 includes a plurality of buckles 214, which are hooked on the edge of the back of the support plate 231 after being bent. The periphery of the heating assembly holder 25 has an annular protrusion 252, and the four side plates 213 of the clamp plate 21 are inserted into the recess formed by the annular protrusion 252. There is a heat insulation gap δ between the four side plates 213 of the clamp plate 21 and the annular protrusion 252. The front edge 253 of the heating assembly holder 25 is clamped with the front inner edge of the mounting groove 11 of the half shell 10, and the edges 254 on both sides of the heating assembly holder 25 are clamped with the inner edges on both sides of the mounting groove 11 of the half shell 10.

[0034] The silicone elastic pad 24 is a silicone pad, including a cylindrical rubber ring 241 and two radial wings 242 connected to the cylindrical rubber ring 241, and the two radial wings 242 are arranged at the two ends of the cylindrical rubber ring 241 in the diameter direction. The large hole of the stepped hole 251 of the heating assembly holder 25 is in the shape of a Chinese character, which is matched with the shape of the silicone elastic pad 24. The long axis direction of the silicone elastic pad 24 is orthogonal to the long axis direction of the heating assembly holder 25.

[0035] The radial wing 242 of the silicone elastic pad 24 has a radial groove 243 communicating with the inner hole of the cylindrical rubber ring 241. The two side surfaces of the cylindrical rubber ring 241 and the radial wing 242 each include a plurality of small holes 244 for increasing the compressibility of the silicone elastic pad 24.

[0036] The back surface of the support plate 231 of the clamp holder 23, which contacts the cylindrical rubber ring 241 and the wings 242 of the silicone elastic pad 24, includes a plurality of protrusions 234, respectively. The back surface of the support plate 231 of the clamp holder 23 is in multiple-point contact with the front surface of the cylindrical rubber ring 241 and the wings 242 of the silicone elastic pad 24, respectively.

[0037] The heating assembly 20 adopts the elastic structure of the silicone elastic pad, and the clamp plate can be easily compressed, and the springback effect is good. When the straightening iron is used to pull the hair, it has good compression elasticity, which can avoid the hair from being clamped too tightly and clamped, improve the smoothness of pulling the hair.

[0038] The guide sliding structure is adopted between the clamp holder 23 and the heating assembly holder 25. There is a gap Δ between the back surface of the support plate 231 of the clamp holder 23 and the front surface of the heating assembly holder 25, and the gap is limited by the limiting screw 233. The elastic stroke of the two heating assemblies can be effectively controlled.

[0039] There is a heat insulation gap δ between the four side plates 213 of the clamp plate 21 and the annular protrusion 252 of the heating assembly holder 25, which can prevent the high temperature of the heating assembly from being conducted to the half shell 10 through the heating assembly holder 25, and avoid the half shell 10 from being too hot to hurt people.

[0040] The rear edge 121 of the half-shell cover plate 12 is clamped with the rear inner edge of the half-shell 10 mounting groove 11, and the edges 122 on both sides of the half-shell cover plate 12 are clamped with the inner edges on both sides of the half-shell 10 mounting groove 11. The front edge 123 of the first half-shell cover plate 12A is pressed on the rear edge of the first heating assembly support 25, and the front end of the second half-shell cover plate 12B is connected with the rear end of the second heating assembly support 25.

[0041] The middle part of the second half-shell cover plate 12B protrudes outward, and the battery cavity 13 is formed between the second half-shell cover plate 12B and the rear part of the second half-shell 10, in which the battery 14 of the power supply circuit is installed. The middle part of the first half-shell cover plate 12A is recessed inward, and the circuit cavity 15 is formed between the first half-shell cover plate 12A and the rear part of the first half-shell 10A, in which the circuit board 16 of the power supply circuit is arranged, and the heating paste printed circuit 212 and the battery 14 are respectively connected with the circuit board 16. The circuit board 16 includes a power supply switch 17, and the rear part of the first half-shell 10A is provided with a switch button 18, and the power supply switch 17 is directed to the switch button 18.

[0042] The heat insulation sleeve 90 is sleeved on the front part of the body 100; the outer surface of the heat insulation sleeve 90 is wrapped with a heat insulation layer 91, the outer surface of the rear part of the half-shell 10 is covered with a heat insulation layer 19, and the outer surfaces of the heat insulation layer 91 of the heat insulation sleeve 90 and the heat insulation layer 19 of the rear part of the half-shell 10 are respectively covered with a decorative layer 92. The decorative layer 92 is a layer of artificial diamond.

[0043] The heat insulation sleeve 90 can play a role in heat insulation and safety protection. The portable straightening iron is often used outdoors, and the temperature of the heated area of the clamp plate is still very high after use. The heat insulation sleeve can play a role in heat insulation and safety protection for the clamp part of the straightening iron.

Claims

1. A portable wireless hair straightener, comprising a main body, the main body including two clamps and a power supply circuit, each clamp including a half-shell and a heating assembly, the heating assembly being installed in a mounting groove at the front of the half-shell, the rear ends of the two half-shells being hinged together, the heating assembly including clamping plates, the clamping plates of the two heating assemblies being arranged opposite to each other; characterized in that, The back of the clamping plate comprises an insulating layer, and the back of the insulating layer comprises a heating paste printed circuit as a heating element.

2. The portable wireless straightening iron of claim 1, wherein, The heating assembly comprises a heat insulation sheet, a clamping plate support, a plurality of elastic pads and a heating assembly support, the clamping plate support comprises a support plate, a plurality of guide columns and limiting screws corresponding to the guide columns, the plurality of guide columns are fixed on the back of the support plate, the clamping plate is fixed on the front of the support plate, and the heat insulation sheet is arranged between the heating paste printed circuit of the clamping plate and the support plate; the elastic pads are sleeved outside the guide columns of the clamping plate support, the heating assembly support comprises stepped holes corresponding to the guide columns, the stepped holes are large holes towards the front and small holes towards the back; the small holes of the stepped holes are guide holes, the guide columns of the clamping plate support are inserted into the corresponding guide holes, and the two are in sliding fit; the rear part of the elastic pad is inserted into the large hole of the stepped hole, the rear end surface of the elastic pad, i.e. the back of the elastic pad, is supported on the bottom surface of the large hole of the stepped hole, and the front end surface of the elastic pad, i.e. the front of the elastic pad, is supported on the back of the support plate of the clamping plate support; a gap is left between the back of the support plate of the clamping plate support and the front of the heating assembly support, the rear end of the guide column comprises an axial threaded hole, the limiting screw is screwed into the threaded hole corresponding to the guide column, and the diameter of the head of the limiting screw is larger than that of the guide hole.

3. The portable wireless straightening iron of claim 2, wherein, The clamping plate comprises four side plates, and the support plate of the clamping plate support enters a groove surrounded by the four side plates of the clamping plate; the rear end of the side plate of the clamping plate comprises a plurality of buckles, the plurality of buckles are hooked on the edge of the back of the support plate after being bent; the periphery of the heating assembly support comprises an annular protrusion, the four side plates of the clamping plate enter a groove surrounded by the annular protrusion, and a heat insulation gap is left between the four side plates of the clamping plate and the annular protrusion; the front edge of the heating assembly support is clamped with the front inner edge of the half-shell mounting groove, and the edges on both sides of the heating assembly support are clamped with the inner edges on both sides of the half-shell mounting groove.

4. The portable wireless straightening iron of claim 2, wherein, The elastic pad comprises a cylindrical rubber ring and two radial wing plates connected with the cylindrical rubber ring, the two radial wing plates are arranged at two ends in the diameter direction of the cylindrical rubber ring, and the shape of the large hole of the stepped hole is matched with the shape of the elastic pad; the long axis direction of the elastic pad is orthogonal to the long axis direction of the heating assembly support.

5. The portable wireless straightening iron of claim 2, wherein, The elastic pad is a silica gel pad, the radial wing plate comprises a radial groove in communication with the inner hole of the cylindrical rubber ring; the two side surfaces of the cylindrical rubber ring and the radial wing plate each comprise a plurality of small holes for increasing the compressibility of the elastic pad.

6. The portable wireless straightening iron of claim 1, wherein, The contact parts of the back of the support plate of the clamping plate support and the cylindrical rubber ring and the wing plate of the elastic pad each comprise a plurality of protrusions, and the back of the support plate of the clamping plate support is in multi-point contact with the front of the cylindrical rubber ring and the wing plate of the elastic pad respectively.

7. The portable wireless straightening iron of claim 1, wherein, The clamping seat comprises a half-shell cover plate, the rear edge of the half-shell cover plate is clamped with the rear inner edge of the half-shell mounting groove, and the edges on both sides of the half-shell cover plate are clamped with the inner edges on both sides of the half-shell mounting groove; the front edge of the first half-shell cover plate is pressed on the rear edge of the first heating assembly support, and the front end of the second half-shell cover plate is connected with the rear end of the second heating assembly support.

8. The portable wireless straightening iron of claim 7, wherein, The middle part of the second half shell cover plate protrudes outward, and a battery cavity is formed between the second half shell cover plate and the rear part of the second half shell, in which a battery of the power supply circuit is installed; the middle part of the first half shell cover plate is recessed inward, and a circuit cavity is formed between the first half shell cover plate and the rear part of the first half shell, in which a circuit board of the power supply circuit is arranged, and the printed circuit of the heating paste and the battery are respectively connected with the circuit board; the circuit board comprises a power supply switch, the rear part of the first half shell is provided with a switch button, and the power supply switch faces the switch button.

9. The portable wireless straightening iron of claim 1, wherein, The heat insulation sleeve is sleeved on the front part of the body; the outer surface of the heat insulation sleeve is wrapped with a heat insulation layer, the outer surface of the rear part of the half shell is covered with a heat insulation layer, and the outer surfaces of the heat insulation sleeve and the heat insulation layer of the rear part of the half shell are respectively covered with a decorative layer.

10. The portable wireless straightening iron of claim 9, wherein, The decorative layer is a man-made diamond layer.

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