CN210740746U

CN210740746U - Electric shock prevention device of electric water heater

Info

Publication number: CN210740746U
Application number: CN201921132946.8U
Authority: CN
Inventors: 龚敬强
Original assignee: Zhongshan Jialiqi Electric Appliance Co Ltd
Current assignee: Zhongshan Jialiqi Electric Appliance Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-06-12
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses an electric shock prevention device of an electric water heater, which comprises an electric shock prevention wall device and a cold and hot water valve, the upper end of the anti-electric wall device is sleeved with the water heater, the heat insulation device of the utility model consists of a sleeve joint, a rubber sleeve and a heat insulation sponge, the heat insulation sponge is sleeved on the hot water outlet pipe through the sleeve joint, the rubber sleeve is wrapped outside the heat insulation sponge, the heat insulation sponge prevents a large amount of hot water from seeping in through the rubber sleeve, and the heat insulation sponge is sleeved on the hot water outlet pipe through the elasticity of the rubber sleeve and can not slide down, when the hand touches the hot water outlet pipe by mistake, the heat is blocked by the heat insulation sponge, so that the hand can not be scalded, the beneficial effects are that when the hot water forms water mist, the sight is blurred, the hand touches the hot water outlet pipe by mistake, through the heat degree separation of heat-proof device on with the hot-water line, can not scalded when making the hand touch, can keep warm through heat-proof device, can make the hot water in the hot-water line can not cool off too fast when stopping flowing.

Description

Electric shock prevention device of electric water heater

Technical Field

The utility model belongs to the technical field of electric water heater is relevant, concretely relates to electric water heater protection against electric shock device.

Background

The electric water heater is a water heater which heats by taking electricity as energy. Is one of three water heaters which are parallel to a gas water heater and a solar water heater. The electric water heater can be divided into a water storage type (also called a positive displacement type or a heat storage type), an instant heating type and an instant heating type (also called a semi-water storage type) according to the heating power.

The prior art has the following problems: when hot water in the electric water heater flows out from a hot water outlet, electricity is prevented by the electricity-proof wall device and flows into the hot water pipe, the water temperature is adjusted through the cold and hot water valve for bathing, and the hot water pipe is easy to touch when the cold and hot water valve is operated to scald hands due to the fact that water mist generated during bathing influences the sight.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric water heater prevents electric shock device to solve the hot water that proposes in the above-mentioned background art in the electric water heater and flow out from the hot water export, prevent the electricity back through the electricity-proof wall device, flow into the hot-water line, adjust the temperature through cold and hot water valve and bathe, because produce water smoke when bathing and influence the sight, touch the hot-water line easily when the cold and hot water valve of operation, make the hand scalded problem.

In order to achieve the above object, the utility model provides a following technical scheme:

an electric shock prevention device of an electric water heater comprises an electric-proof wall device and a cold and hot water valve, wherein the upper end of the electric-proof wall device is sleeved with a water heater, the water heater is electrically connected with an external power supply, the lower end of the electric-proof wall device is sleeved with a pressure relief valve, the lower end of the pressure relief valve is sleeved and fixed with a cold water inlet pipe, the cold and hot water valve is fixed on a sleeve machine at the other end of the cold water inlet pipe, an adjusting handle is embedded in the middle of the cold and hot water valve, the right upper end of the adjusting handle is positioned at the right lower end of the cold and hot water valve and welded with a mixed water outlet, the left end of the cold and hot water valve is sleeved and fixed with a hot water outlet pipe, the outer part of the hot water outlet pipe is sleeved and wrapped with a heat insulation device, the heat insulation device comprises a sleeved opening, a heat insulation sponge and a rubber sleeve, the rubber, and the upper end of the anti-electric wall device is fixedly sleeved with a water heater.

Preferably, the electricity-proof wall device comprises an insulating nut, an electricity-proof main body, an early warning mechanism and an alloy interface, wherein the insulating nut is sleeved at the upper end of the electricity-proof main body, the early warning mechanism is embedded in the middle of the electricity-proof main body, and the alloy interface is sleeved at the lower end of the electricity-proof main body.

Preferably, it subtracts electric end and delivery port to prevent that the electricity main part includes solid fixed ring, separates the electric layer pad, spiral, it has separated the electric layer pad to prevent that the middle part inboard of electricity main part from inlaying, it is provided with the spiral and subtracts the electric end to separate electric layer pad inboard to be located and prevent that electricity main part is inside, the spiral subtracts electric end middle part and runs through there is the delivery port, it has solid fixed ring to prevent that electricity main part outer end welding.

Preferably, the electric-proof wall devices are provided with two electric-proof wall devices, and the two electric-proof wall devices are respectively arranged at a hot water outlet and a cold water inlet of the water heater.

Preferably, the hot sponge wraps the hot water outlet pipe for heat insulation, and the rubber sleeve cannot be melted and deformed due to heat insulation of the hot sponge.

Preferably, the electricity-proof main body is made of PBT engineering materials, and has the advantages of high temperature resistance, pressure resistance, bursting resistance, freezing resistance and the like.

Preferably, the insulating layer pad is provided with an inlet at the upper end covering the spiral power reduction end to allow water to flow into the spiral power reduction end to prevent electric leakage.

Preferably, the cold and hot water valve is connected with an external tap water pipe, and the cold and hot water valve is used for supplying water to the water heater for heating.

Compared with the prior art, the utility model provides an electric water heater protection against electric shock device possesses following beneficial effect:

1. the utility model discloses heat-proof device comprises cup joint mouth, rubber sleeve and thermal-insulated sponge, and when hot water formed the water smoke, thermal-insulated sponge cup jointed on the hot water exit tube through the cup joint mouth, and outside parcel has the rubber sleeve, and thermal-insulated sponge prevents a large amount of hot water infiltration through the rubber sleeve and advances, and the elasticity of rethread rubber sleeve makes thermal-insulated sponge cup joint can not glide on the hot water exit tube, when the hot water exit tube was touch to the hand mistake, leads to thermal-insulated sponge with the heat separation, makes the hand can not scalded.

2. The utility model discloses heat-proof device beneficial effect is when hot water forms water smoke, and the sight is fuzzy, and the hot water exit tube is touched to the hand carelessly mistake when the cold and hot valve of touch, through the heat separation of heat-proof device on with the hot-water line, can not scalded when making the hand touch, can keep warm through heat-proof device, can make the hot water in the hot-water line can not cool off too fast when stopping flowing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of an electric shock preventing device of an electric water heater according to the present invention;

fig. 2 is a schematic structural view of a heat insulation device of an electric shock protection device of an electric water heater according to the present invention;

fig. 3 is a schematic structural view of an electric shock preventing wall device of an electric water heater;

FIG. 4 is a schematic view of the cross-sectional view of an anti-electric shock device for an electric water heater;

in the figure: 1. a water heater; 2. an electricity-proof wall device; 3. a pressure relief safety valve; 4. a cold water inlet pipe; 5. a mixing water outlet; 6. an adjusting handle; 7. a cold and hot water valve; 8. a hot water outlet pipe; 9. a thermal insulation device; 21. an insulating nut; 22. an electricity-proof body; 23. an early warning mechanism; 24. an alloy interface; 91. a socket; 92. a heat insulating sponge; 93. a rubber sleeve; 221. a fixing ring; 222. an insulating layer pad; 223. a spiral power reduction end; 224. and (7) a water outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

an electric shock preventing device of an electric water heater comprises an electric-proof wall device 2 and a cold and hot water valve 7, wherein the electric-proof wall device 2 is provided with two, and the two electric-proof wall devices 2 are respectively arranged at a hot water outlet and a cold water inlet of the water heater 1, wherein the two electric-proof wall devices 2 are used for preventing the hot water outlet and the cold water inlet of the water heater 1 from electric shock and preventing a user from electric shock, the electric-proof wall device 2 comprises an insulating nut 21, an electric-proof main body 22, an early warning mechanism 23 and an alloy interface 24, the electric-proof main body 22 is made of PBT engineering materials, and has the advantages of high temperature resistance, pressure resistance, bursting resistance, freezing resistance and the like, wherein the electric current of the water heater 1 is intercepted through the electric-proof main body 22, so that the current cannot flow out of the water heater 1, the electric-proof main body 22 comprises a fixing ring 221, an electric-proof layer pad 222, a spiral electricity reducing end 223 and a water outlet 224, the electric-proof layer pad 222 is embedded on the inner side, the hot water containing electricity flows into the electricity-proof main body 22 to be isolated through the electricity-proof layer pad 222, the spiral electricity-reducing end 223 is arranged inside the electricity-proof main body 22 and positioned on the inner side of the electricity-proof layer pad 222, the water outlet 224 penetrates through the middle of the spiral electricity-reducing end 223, the fixing ring 221 is welded at the outer end of the electricity-proof main body 22, the hot water containing electricity flows into the spiral electricity-reducing end 223 along the water flowing port on the electricity-proof layer pad 222 and flows to attenuate the resistance of the hot water to achieve the purpose of isolating electricity along the bolt, the insulating nut 21 is sleeved at the upper end of the electricity-proof main body 22, the early warning mechanism 23 is embedded in the middle of the electricity-proof main body 22, the alloy interface 24 is sleeved at the lower end of the electricity-proof main body 22, the electricity-proof main body 22 is connected to the hot water outlet of the water heater 1 through the.

An electric shock prevention device of an electric water heater comprises a water heater 1 sleeved at the upper end of an electric protection wall device 2, the water heater 1 is electrically connected with an external power supply, a pressure relief safety valve 3 sleeved at the lower end of the electric protection wall device 2, a cold water inlet pipe 4 is sleeved and fixed at the lower end of the pressure relief safety valve 3, a cold and hot water valve 7 is fixed at the other end of the cold water inlet pipe 4, the cold and hot water valve 7 is connected with an external tap water pipe, the water heater 1 is heated by the cold and hot water valve 7, cold water is conveyed to the water heater 1 through the cold water inlet pipe 4 by the cold and hot water valve 7, the cold water flows into the cold water inlet pipe 4, enters the pressure relief safety valve 3 from the cold water inlet pipe 4 and enters the water heater 1 through the electric protection wall device 2, the water heater 1 heats the cold water into hot water, an adjusting handle 6 is embedded in the middle part of the cold and, the left end of the cold and hot water valve 7 is fixedly sleeved with a hot water outlet pipe 8.

The utility model provides an electric water heater protection against electric shock device, the outside that includes hot water exit tube 8 cup joints the parcel has heat-proof device 9, heat-proof device 9 is including cup joint 91, thermal-insulated sponge 92 and thermal-insulated sponge 93, thermal-insulated sponge 92 insulates against heat with hot water exit tube 8 parcel, and it makes thermal-insulated sponge 93 can not melt the deformation to insulate against heat through thermal-insulated sponge 92, wherein thermal-insulated sponge 92 prevents a large amount of hot water infiltration through rubber sleeve 93 and advances, the elasticity of rethread rubber sleeve 93 makes thermal-insulated sponge 92 cup joint can not glide on hot water exit tube 8, thermal-insulated sponge 93 has been cup jointed in the thermal-insulated sponge 92 outside, thermal-insulated sponge 92 middle part has been run through and has been cup jointed mouth 91, anti-electric wall device 2 has been cup jointed to.

The utility model discloses a theory of operation and use flow: after the utility model is installed, firstly the water heater 1 is powered on, cold water is conveyed to the water heater 1 through the cold and hot water valve 7 through the cold water inlet pipe 4, cold water flows into the cold water inlet pipe 4, then the cold water enters the pressure relief safety valve 3 from the cold water inlet pipe 4, and then the cold water enters the water heater 1 through the electricity-proof wall device 2, the water heater 1 heats the cold water into hot water, a user begins to take a bath, the user can grab the adjusting handle 6 of the cold and hot water valve 7 by hand to move upwards, then the adjusting handle 6 is rotated leftwards, at the moment, the hot water flows into the electricity-proof wall device 2 from the water heater 1, the electricity-proof main body 22 is connected to the hot water outlet of the water heater 1 through the insulating nut 21, the hot water enters the hot water outlet, when the water is powered on, the lamp on the early warning mechanism 23 is turned on, the electricity-proof main body 22 is fixed through the bolt fixing ring 221, the hot water containing electricity flows into the electricity-, the purpose of isolating electricity is achieved by attenuating the resistance of hot water along the bolt, the hot water flows out of a water outlet 224 of the electricity-proof main body 22 and flows into a hot water outlet pipe 8 through an alloy connector 24, flows into a cold water inlet pipe 4 through the hot water outlet pipe 8, and then flows to a spray head from a mixed water outlet 5 for spray bathing, when the hot water forms water mist, hands are prevented from being scalded through a heat insulation device 9, a heat insulation sponge 92 is sleeved on the hot water outlet pipe 8 through a sleeved opening 91, a rubber sleeve 93 is wrapped outside, the heat insulation sponge 92 prevents a large amount of hot water from seeping through the rubber sleeve 93, the heat insulation sponge 92 is sleeved on the hot water outlet pipe 8 through the elasticity of the rubber sleeve 93 and cannot slide downwards, when the internal water pressure is too high, pressure is relieved through a pressure relief safety valve 3, and finally, after the water is sucked, the cold and hot.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric water heater protection against electric shock device, includes electricity-proof wall device (2) and cold and hot water valve (7), its characterized in that: the water heater (1) is sleeved at the upper end of the anti-electric wall device (2), the water heater (1) is electrically connected with an external power supply, the pressure relief safety valve (3) is sleeved at the lower end of the anti-electric wall device (2), the cold water inlet pipe (4) is fixedly sleeved at the lower end of the pressure relief safety valve (3), the cold water inlet pipe (4) is fixedly sleeved at the other end of the cold water inlet pipe (7), the cold water outlet valve (7) is embedded in the middle of the cold water outlet valve (7) and is provided with an adjusting handle (6), the right upper end of the adjusting handle (6) is positioned at the right lower end of the cold water outlet valve (7) and is welded with a mixed water outlet (5), the hot water outlet pipe (8) is fixedly sleeved at the left end of the cold water outlet valve (7), the heat insulation device (9) is wrapped at the outer part of the hot water outlet pipe (8), and the heat, rubber sleeve (93) have been cup jointed in thermal-insulated sponge (92) outside, thermal-insulated sponge (92) middle part is run through and is had socket joint mouth (91), the upper end of hot water exit tube (8) has cup jointed electricity-proof wall device (2), electricity-proof wall device (2) upper end cup joints and is fixed with water heater (1).

2. The electric shock preventing device of the electric water heater according to claim 1, wherein: prevent electric wall device (2) including insulating nut (21), prevent electric main part (22), early warning mechanism (23) and alloy interface (24), prevent that electric main part (22) upper end has cup jointed insulating nut (21), it has early warning mechanism (23) to prevent to inlay in the middle part of electric main part (22), prevent that electric main part (22) lower extreme has cup jointed alloy interface (24).

3. The electric shock preventing device of the electric water heater according to claim 2, wherein: it reduces electric end (223) and delivery port (224) including fixed ring (221), electricity insulation layer pad (222), spiral to prevent electric main part (22), the middle part inboard of preventing electric main part (22) is inlayed and is had electricity insulation layer pad (222), electricity insulation layer pad (222) inboard is located and prevents that electric main part (22) is inside to be provided with spiral and reduces electric end (223), spiral reduces electric end (223) middle part and runs through delivery port (224), prevent that the welding of electric main part (22) outer end has fixed ring (221).

4. The electric shock preventing device of the electric water heater according to claim 1, wherein: the anti-electric wall device (2) is provided with two, and the two anti-electric wall devices (2) are respectively arranged at a hot water outlet and a cold water inlet of the water heater (1).

5. The electric shock preventing device of the electric water heater according to claim 2, wherein: the hot water outlet pipe (8) is wrapped by the heat insulation sponge (92) for heat insulation, and the rubber sleeve (93) cannot be melted and deformed due to heat insulation of the heat insulation sponge (92).

6. The electric shock preventing device of the electric water heater according to claim 3, wherein: the electricity-proof main body (22) is made of PBT engineering material, and has the advantages of high temperature resistance, pressure resistance, bursting resistance, freezing resistance and the like.

7. The electric shock preventing device of the electric water heater according to claim 3, wherein: the upper end of the spiral power reduction end (223) covered by the electric insulation layer pad (222) is provided with an inflow port so that water flows into the spiral power reduction end (223) to prevent electric leakage.

8. The electric shock preventing device of the electric water heater according to claim 1, wherein: the cold and hot water valve (7) is connected with an external tap water pipe, and the cold and hot water valve (7) is used for supplying water to the water heater (1) for heating.