Electricity leakage prevention steam brush

Abstract

The utility model relates to a steam brush of anti -electric leakage, including a brush head, the inside of brush head is equipped with steam generator, and brush head casing includes brush head upper shell and lower shell, brush head lower shell, steam generator is fixedly connected on lower shell, be equipped with a fusible link on lower shell, be equipped with a bimetallic strip on steam generator lower end surface, bimetallic strip root and steam generator abut heat conduction, and the head of bimetallic strip is aligned fusible link, and the head of bimetallic strip reaches early warning temperature and will be curved down and press on fusible link.The utility model has the advantages of: steam generator is metal material, when steam brush ageing or malfunction, the current of fusible link will make steam generator electrified to produce the safety hidden danger of electric shock. And adopt the way of bimetallic strip bridging heat conduction, and fusible link and steam generator realize not contact physical isolation, effectively avoid the problem of steam generator's electric leakage, guarantee the use safety of user.

Description

Technical Field

[0001] This utility model relates to a steam brush, and in particular to an improvement in its fuse structure. Background Technology

[0002] Handheld steam brushes typically heat water in a tank using an internal steam generator. Once the water reaches its boiling point, it produces high-temperature steam. This steam is then transported from the generator to the nozzle and evenly sprayed out. The high-temperature steam softens and expands the fabric fibers, allowing for easy removal of wrinkles when combined with stretching and smoothing motions.

[0003] In existing evaporators, the fuse is fixed to the surface of the steam generator. Since the steam generator is made of metal, when the steam brush ages, the terminals on both sides of the fuse can easily become electrically connected to the steam generator, leading to leakage of the steam brush and causing a safety accident.

[0004] Furthermore, this type of electrical leakage can interfere with the normal operation of the steam brush circuit, causing instability in the heating function of the steam generator. This may result in problems such as fluctuating steam output and inaccurate temperature control, affecting ironing results and reducing the user experience. Utility Model Content

[0005] To overcome the shortcomings of current steam brush fuse structures that are prone to leakage, this utility model provides a steam brush that is leak-proof.

[0006] The technical solution of this utility model to solve its technical problem is as follows: a steam brush for preventing electric leakage, including a brush head, a steam nozzle on the brush head, a steam generator on the inner side of the brush head, and the steam outlet of the steam generator connected to the steam nozzle; the brush head housing includes an upper shell, a lower shell, and a lower shell, the steam generator being located between the upper shell and the lower shell, the upper shell and the lower shell being fastened together; the lower shell is fixedly connected to the lower shell, and the steam generator is fixedly connected to the lower shell; a fuse mounting platform is provided on the lower shell, a fuse fixing groove is provided on the fuse mounting platform, and a fuse is provided in the fuse fixing groove; a bimetallic strip is provided on the lower end face of the steam generator, the root of the bimetallic strip abuts against the steam generator for heat conduction, the head of the bimetallic strip is aligned with the fuse, and the head of the bimetallic strip will bend downward and press against the fuse after reaching the warning temperature.

[0007] In order to increase the thermally conductive contact area between the bimetallic strip and the fuse after overheating and bending, the head of the bimetallic strip is provided with an arc-shaped head to increase the contact area.

[0008] A preferred method for connecting a bimetallic strip to a steam generator is provided, wherein the bimetallic strip has a mounting hole at its tail end, the steam generator has a fixing screw hole on its lower surface, and the bimetallic strip is fixed to the fixing screw hole by a fixing screw.

[0009] To facilitate precise positioning of the bimetallic strip, the lower surface of the steam generator is provided with protective strips on both sides of the fixing screw hole, and the bimetallic strip is located between the protective strips.

[0010] To prevent overheating and melting, the lower shell is made of heat-resistant and flame-retardant plastic material, and the fuse mounting base is integrally formed on the lower shell.

[0011] A preferred embodiment of the bimetallic strip is a nickel-iron-copper-nickel bimetallic strip, with the copper-nickel side facing up.

[0012] To facilitate manufacturing, the lower shell is recessed with a through groove on the underside of the fuse mounting platform.

[0013] To facilitate the positioning and installation of the fuse, the fuse mounting platform has recessed wire grooves on both sides for fixing the fuse leads.

[0014] To facilitate wiring, the fuse mounting platform is provided with wiring holes on both sides.

[0015] A preferred method for fixing the lower shell and the brush head lower shell includes connecting ears on both sides of the lower shell, ear holes on the connecting ears, and a lower shell fixing screw on the ear hole to fix the lower shell to the brush head lower shell.

[0016] This utility model also includes the following additional technical features: a temperature controller is also installed on the steam generator, and a corresponding temperature controller clearance groove is provided on the lower shell.

[0017] When in normal use, this invention is similar to the existing steam brush. When the steam brush malfunctions and overheats, the head of the bimetallic strip will bend and rest on the fuse, and the fuse will melt due to heat, thus providing a preventative function.

[0018] The beneficial effects of this utility model are as follows: 1. The steam generator is made of metal. When the steam brush ages or malfunctions, the current from the fuse can cause the steam generator to become energized, creating a safety hazard of electric shock. However, by using a bimetallic strip for bridging heat conduction, the fuse and steam generator achieve non-contact physical isolation, effectively avoiding leakage problems caused by the steam generator and ensuring user safety. 2. The presence of the lower shell facilitates the installation of the fuse and the fixing of the steam generator, while also providing a certain degree of insulation. Attached Figure Description

[0019] Figure 1This is a schematic diagram of the brush head of this utility model.

[0020] Figure 2 This is a diagram showing the brush head after the lower casing has been removed.

[0021] Figure 3 This is an exploded view of the brush head of this utility model.

[0022] Figure 4 This is a schematic diagram of the lower shell of this utility model.

[0023] Figure 5 This is a cross-sectional schematic diagram of the brush head of this utility model. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0025] Example 1 Combined with appendix Figures 1 to 5 A leak-proof steam brush includes a brush head 1 with steam nozzles 2 and a steam generator 3 inside the brush head 1, the steam generator 3 having its outlet connected to the steam nozzles 2. The brush head housing includes an upper shell 4, a lower shell 5, and a lower shell 6. The steam generator 3 is located between the upper shell 4 and the lower shell 5. The upper shell 4 and the lower shell 6 are fastened together. The lower shell 5 is fixedly connected to the lower shell 6, and the steam generator 3 is fixedly connected to the lower shell 5. A fuse mounting platform 7 is provided on the lower shell 5. The fuse mounting platform 7 is provided with a fuse fixing groove 8, and a fuse 9 is provided in the fuse fixing groove 8; a bimetallic strip 10 is provided on the lower end face of the steam generator 3, the root of the bimetallic strip 10 abuts against the steam generator 3 for heat conduction, the head of the bimetallic strip 10 is aligned with the fuse 9, and the head of the bimetallic strip 10 will bend downward and press on the fuse 9 after reaching the warning temperature.

[0026] In order to increase the thermally conductive contact area between the bimetallic strip 10 and the fuse 9 after overheating and bending, the head of the bimetallic strip 10 is provided with an arc-shaped head 11 to increase the contact area.

[0027] A preferred method for connecting a bimetallic strip 10 to a steam generator 3 is provided, wherein the bimetallic strip 10 has a mounting hole 12 at its tail end, and the steam generator 3 has a fixing screw hole 13 on its lower surface, and the bimetallic strip 10 is fixed to the fixing screw hole 13 by a fixing screw 14.

[0028] To facilitate precise positioning of the bimetallic strip 10, a protective strip 15 is protruding on the lower surface of the steam generator 3 on both sides of the fixing screw hole 13, and the bimetallic strip 10 is located between the protective strips 15.

[0029] To prevent overheating and melting, the lower shell 5 is made of heat-resistant and flame-retardant plastic material, and the fuse mounting platform 7 is integrally formed on the lower shell 5.

[0030] A preferred embodiment of the bimetallic strip 10 is a nickel-iron-copper-nickel bimetallic strip, with the copper-nickel side facing up.

[0031] To facilitate manufacturing, the lower shell subshell 5 has a through groove 16 recessed on the underside of the fuse mounting platform 7.

[0032] To facilitate the positioning and installation of the fuse 9, the fuse mounting platform 7 has recessed wire grooves on both sides, which are used to fix the fuse leads 17.

[0033] To facilitate wire routing, the fuse mounting base 7 has wire-passing holes 18 on both sides. The wire-passing holes are used for wire leads to pass through.

[0034] A preferred method for fixing the lower shell 5 and the brush head lower shell 6 is provided, wherein the lower shell 5 is provided with connecting ears 19 on both sides, the connecting ears 19 are provided with ear holes 20, and the ear holes 20 are provided with a lower shell fixing screw to fix the lower shell 5 to the brush head lower shell 6.

[0035] The steam generator 3 is also equipped with a temperature controller 21, and the lower shell 5 is provided with a corresponding temperature controller clearance groove 22.

[0036] In this embodiment, the steam brush is the same as that of the prior art when it is in normal use. When the steam brush fails and overheats, the head of the bimetallic strip 10 will bend and rest on the fuse 9. The fuse 9 will melt due to heat, which can play a preventive role.

[0037] The beneficial effects of this utility model are as follows: 1. The steam generator is made of metal. When the steam brush ages or malfunctions, the current from the fuse can cause the steam generator to become energized, creating a safety hazard of electric shock. However, by using a bimetallic strip for bridging heat conduction, the fuse and steam generator achieve non-contact physical isolation, effectively avoiding leakage problems caused by the steam generator and ensuring user safety. 2. The presence of the lower shell facilitates the installation of the fuse and the fixing of the steam generator, while also providing a certain degree of insulation.

Claims

1. A steam brush for preventing electric leakage, comprising a brush head, wherein the brush head is provided with a steam nozzle, and a steam generator is provided inside the brush head, wherein the steam outlet of the steam generator is connected to the steam nozzle; characterized in that: The brush head housing includes an upper brush head shell, a lower brush head sub-shell, and a lower brush head shell. The steam generator is located between the upper brush head shell and the lower brush head sub-shell. The upper brush head shell and the lower brush head shell are fastened together. The lower brush head sub-shell is fixedly connected to the lower brush head shell, and the steam generator is fixedly connected to the lower brush head sub-shell. A fuse mounting platform is provided on the lower brush head sub-shell. A fuse fixing groove is provided on the fuse mounting platform, and a fuse is provided in the fuse fixing groove. A bimetallic strip is provided on the lower end face of the steam generator. The root of the bimetallic strip abuts against the steam generator for heat conduction. The head of the bimetallic strip is aligned with the fuse, and the head of the bimetallic strip will bend downward and press against the fuse after the warning temperature is reached.

2. The anti-leakage steam brush according to claim 1, characterized in that: The bimetallic strip head is provided with an arc-shaped head to increase the contact area.

3. The anti-leakage steam brush according to claim 1, characterized in that: The bimetallic strip has a mounting hole at its tail end, and the steam generator has a fixing screw hole on its lower surface. The bimetallic strip is fixed to the fixing screw hole by a fixing screw.

4. The anti-leakage steam brush according to claim 3, characterized in that: The lower surface of the steam generator is provided with protective strips on both sides of the fixing screw hole, and the bimetallic strip is located between the protective strips.

5. The anti-leakage steam brush according to claim 1, characterized in that: The lower shell is made of heat-resistant and flame-retardant plastic material, and the fuse mounting platform is integrally formed on the lower shell.

6. The anti-leakage steam brush according to claim 1, characterized in that: The bimetallic strip is a nickel-iron-copper-nickel bimetallic strip, with the copper-nickel side facing up.

7. The anti-leakage steam brush according to claim 5, characterized in that: The lower shell has a recessed through groove on the underside of the fuse mounting platform.

8. The anti-leakage steam brush according to claim 5, characterized in that: The fuse mounting platform has recessed wire grooves on both sides.

9. The anti-leakage steam brush according to claim 5, characterized in that: The fuse mounting platform has wire passage holes on both sides.

10. The anti-leakage steam brush according to claim 1, characterized in that: The lower shell has connecting ears on both sides, and each connecting ear has an ear hole. The ear hole has a fixing screw to fix the lower shell to the brush head lower shell.

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