CN212378254U - Electric shock prevention device of electric water heater - Google Patents

Abstract

An electric shock prevention device of an electric water heater comprises a water collecting tank, a water storage tank, a water collecting tank drain valve and a water storage tank drain valve, wherein the water collecting tank and the water storage tank are made of insulating materials; when the water storage tank is used, a person stands on the upper insulated water collection tank for bathing, the water collection tank water drain valve is used for discharging the bathing water in the water collection tank to the water storage tank, the bathing water is temporarily stored in the water storage tank, and after bathing is finished, the water storage tank water drain valve is used for discharging the bathing water in the water collection tank; the bathing water is prevented from becoming an electric conductor for human body electric shock, so that the human body is insulated from the ground, and in case of electric leakage of the electric water heater, a loop for human body electric shock is cut off, thereby reducing or avoiding the damage of the electric leakage to the human body.

Description

Electric shock prevention device of electric water heater

Technical Field

The utility model relates to an electric shock prevention device, especially an electric water heater electric shock prevention device.

Background

At present, an electric water heater used by people often leaks electricity due to various reasons, and when people take a bath, an electric shock loop is formed by bath water of a human body, so that electric shock accidents are caused; an electric shock prevention device for an electric water heater, which reduces or prevents electric shock accidents of the electric water heater, has become the need of electric shock prevention in life of people.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and providing an electric shock prevention device of an electric water heater, which is used for reducing or preventing the electric shock accidents of the electric water heater when people take a bath.

The technical proposal adopted by the utility model is that: an electric shock prevention device of an electric water heater comprises a water collecting tank, a water storage tank, a water collecting tank drain valve and a water storage tank drain valve, wherein the water collecting tank and the water storage tank are made of insulating materials, the water collecting tank 1 is positioned above the water storage tank, the water collecting tank drain valve and the water storage tank drain valve are arranged on the water collecting tank and the water storage tank, and the water collecting tank is connected with the water storage tank; when the water storage tank is used, a person stands on the upper insulated water collection tank for bathing, the water collection tank water drain valve is used for discharging the bathing water in the water collection tank to the water storage tank, the bathing water is temporarily stored in the water storage tank, and after bathing is finished, the water storage tank water drain valve is used for discharging the bathing water in the water collection tank; the bathing water is prevented from becoming an electric conductor for human body electric shock, so that the human body is insulated from the ground, and in case of electric leakage of the electric water heater, a circuit for human body electric shock is cut off, so that the damage of the electric leakage to the human body is reduced or avoided; the water collecting tank is provided with a water collecting plate and a water stop plate, the water collecting plate is positioned above the water stop plate, the water collecting plate is provided with a water collecting through hole, and the water stop plate separates the water collecting tank from the water storage tank; the water collecting plate is provided with a first upper mounting hole and a second upper mounting hole, the water-stop plate is provided with a first middle mounting hole and a second middle mounting hole, and the bottom plate of the water storage tank is provided with a second lower mounting hole; the water collecting tank drain valve comprises a first piston cylinder, a first piston rod, a first button and a first spring, and the first piston cylinder, the first piston rod and the first button are made of insulating materials; the first piston cylinder is provided with a first piston cylinder inner cavity, a first water inlet hole and a first water outlet hole, and the first water inlet hole is communicated with the first water outlet hole through the first piston cylinder inner cavity; the first piston is provided with a first piston inner cavity, a first water inlet hole and a first drainage hole, and the first water inlet hole is communicated with the first drainage hole through the piston inner cavity; the first piston cylinder is connected with a first upper mounting hole of the water collecting plate and a first middle mounting hole of the water-stop plate, the first piston is movably matched in the first piston cylinder and is connected with the first piston cylinder in a sealing manner, the first spring is arranged in a first cylinder bottom of the first piston cylinder and is positioned above the first spring, the first button is connected with the first piston rod, and the first piston rod is connected with the first piston; a first water inlet hole of the first piston cylinder is positioned in the water collecting tank, and a first water outlet hole of the first piston cylinder is positioned in the water storage tank; the water drain valve of the water storage tank comprises a second piston cylinder, a second piston rod, a second button and a second spring, and the second piston cylinder, the second piston rod and the second button are made of insulating materials; the second piston cylinder is provided with a second piston cylinder inner cavity, a second water inlet hole and a second water outlet hole, and the second water inlet hole is communicated with the second water outlet hole through the second piston cylinder inner cavity; the second piston is provided with a second piston inner cavity, a second water inlet hole and a second water drain hole, and the second water inlet hole is communicated with the second water drain hole through the piston inner cavity; the second piston cylinder is connected with a second upper mounting hole of the water collecting plate, a second middle mounting hole of the water-stop plate and a second lower mounting hole of the water storage tank, the second piston is in movable fit in the second piston cylinder and is in sealed connection with the second piston cylinder, the second spring is arranged in a second cylinder bottom of the second piston cylinder and is positioned above the second spring, the second button is connected with a second piston rod, and the second piston rod is connected with the second piston; the second water inlet hole of the second piston cylinder is located in the water storage tank, and the second water outlet hole of the second piston cylinder is located outside the water collection tank and the water storage tank.

When bathing, the bath water in the water collecting tank is prevented from flowing into the water storage tank, and the bath water in the water storage tank is prevented from flowing to the floor of a bathroom; the initial state of the water drain valve of the water collecting tank is as follows: the first piston is positioned at a position for sealing a first water inlet hole of the first piston cylinder, the first water inlet hole of the first piston cylinder is not communicated with the first water outlet hole, and the water drain valve of the water collecting tank is in a closed state; the initial state of the water discharging valve of the water storage tank is as follows: the second piston is located at a position for sealing a second water inlet hole of the second piston cylinder, the second water inlet hole of the second piston cylinder is not communicated with the second water outlet hole, and the water storage tank water drain valve is in a closed state.

The electric water heater electric shock preventing device has the use method as follows: when bathing, a person stands on a water collecting plate of the water collecting tank and keeps human body not in contact with the floor and the wall of the bathroom, shower water flows into the insulated water collecting tank from the water collecting plate through the water collecting through hole, the shower water flow is prevented from being directly in contact with the floor of the bathroom, and in case of electric leakage of the electric water heater, current is blocked to form an electric shock loop through the water flow and the floor by the human body; when bathing, when the water collecting tank needs to be discharged to the water storage tank, a first button of a water discharging valve of the water collecting tank is stepped down by feet, the elastic force of a first spring is overcome to drive a first piston to move downwards along the inner wall of a first piston cylinder, the water discharging valve of the water collecting tank is opened, the first piston of the water discharging valve of the water collecting tank is positioned at the position which does not seal a first water inlet hole of the first piston cylinder, the first water inlet hole of the first piston cylinder is communicated with a first water outlet hole, bathing water of the water collecting tank flows into an insulated water storage tank from the first water inlet hole of the first piston cylinder through the first water outlet hole, direct contact of the bathing water flow with the ground of a bathroom is avoided, and in case of electric leakage of an electric water heater, electric current is blocked, and an electric; after the bathing water in the water collecting tank flows to the water storage tank, the first button is loosened by feet, the first piston cylinder moves upwards along the inner wall of the first piston cylinder under the action of the elastic force of the first spring, so that the water drain valve of the water collecting tank is reset to an initial state, the first water inlet hole and the first water outlet hole of the first piston cylinder are not communicated, the bathing water in the water collecting tank and the bathing water in the water storage tank are isolated by the first piston, and a circuit for conducting the bathing water in the water collecting tank and the bathing water in the water storage tank is blocked; when bathing, when the bathing water in the water storage tank needs to be drained, a second button of a water storage tank water drain valve is stepped down by feet, the second piston is driven to move downwards along the inner wall of a second piston cylinder by overcoming the elastic force of a second spring, the water storage tank water drain valve is opened, the second piston of the water storage tank water drain valve is positioned at the position of a second water inlet hole of the second piston cylinder in a non-sealing manner, a second water inlet hole of the second piston cylinder is communicated with a second water outlet hole, the bathing water in the water storage tank flows out of the bathroom ground from the second water inlet hole of the second piston cylinder through the second water outlet hole, the bathing water in the water collection tank is isolated from the bathing water in the water storage tank by the first piston, the water collection tank is insulated from the water storage tank, the first piston cylinder is insulated from the second piston cylinder, the shower water flow in contact with a human body is effectively prevented from being in direct contact with the bathroom ground, and in case of electric water leakage, an electric, meanwhile, the bath water in the water storage tank can be drained, so that the accident of bath electric shock is reduced or avoided; after the bath water in the water storage tank is drained away, the second button is loosened by the foot, the second piston moves upwards along the inner wall of the second piston cylinder under the action of the elastic force of the second spring, the water storage tank drain valve is reset to the initial state, the second water inlet hole of the second piston cylinder is not communicated with the second water outlet hole, the bath water in the water storage tank is isolated by the second piston, and the bath water in the water storage tank and the bathroom ground conductive circuit are blocked.

The utility model has the advantages that: an electric shock prevention device of an electric water heater comprises a water collecting tank, a water storage tank, a water collecting tank drain valve and a water storage tank drain valve, wherein the water collecting tank and the water storage tank are made of insulating materials; when the water storage tank is used, a person stands on the upper insulated water collection tank for bathing, the water collection tank water drain valve is used for discharging the bathing water in the water collection tank to the water storage tank, the bathing water is temporarily stored in the water storage tank, and after bathing is finished, the water storage tank water drain valve is used for discharging the bathing water in the water collection tank; the bathing water is prevented from becoming an electric conductor for human body electric shock, so that the human body is insulated from the ground, and in case of electric leakage of the electric water heater, a loop for human body electric shock is cut off, thereby reducing or avoiding the damage of the electric leakage to the human body.

Drawings

FIG. 1 is a schematic diagram of an electric shock protection device for an electric water heater;

FIG. 2 is a schematic view of the sump drain valve open;

figure 3 is a schematic view of the reservoir discharge valve open configuration.

Detailed Description

The invention will be further described with reference to the following detailed description of embodiments and with reference to the accompanying drawings:

fig. 1 is a schematic structural view of an electric shock prevention device of an electric water heater, fig. 2 is a schematic structural view of an opening of a drain valve of a water collection tank, and fig. 3 is a schematic structural view of an opening of a drain valve of a water storage tank; an electric shock prevention device of an electric water heater comprises a water collecting tank 1, a water storage tank 2, a water collecting tank drain valve 3 and a water storage tank drain valve 4, wherein the water collecting tank 1 and the water storage tank 2 are made of insulating materials, the water collecting tank 1 is positioned above the water storage tank 2, the water collecting tank drain valve 3 and the water storage tank drain valve 4 are arranged on the water collecting tank 1 and the water storage tank 2, and the water collecting tank 1 is connected with the water storage tank 2; when the water storage tank is used, a person stands on the upper insulated water collection tank 1 for bathing, the water collection tank water discharge valve 3 is used for discharging the bathing water in the water collection tank 1 to the water storage tank 2, the bathing water is temporarily stored in the water storage tank 2, and after bathing is finished, the water storage tank water discharge valve 4 is used for discharging the bathing water in the water collection tank 1; the bathing water is prevented from becoming an electric conductor for human body electric shock, so that the human body is insulated from the ground, and in case of electric leakage of the electric water heater, a circuit for human body electric shock is cut off, so that the damage of the electric leakage to the human body is reduced or avoided; the water collecting tank 1 is provided with a water collecting plate 5 and a water-stop plate 6, the water collecting plate 5 is positioned above the water-stop plate 6, the water collecting plate 5 is provided with a plurality of water collecting through holes 7, the water-stop plate 6 separates the water collecting tank 1 from the water storage tank 2, and the water-stop plate 6 is provided with permeable sponge for preventing bath water from splashing; the water collecting plate 5 is provided with a first upper mounting hole 8 and a second upper mounting hole 9, the water-stop plate 6 is provided with a first middle mounting hole 10 and a second middle mounting hole 11, and the bottom plate 40 of the water storage tank 2 is provided with a second lower mounting hole 12; the water collecting tank drain valve 3 comprises a first piston cylinder 13, a first piston 14, a first piston rod 15, a first button 16 and a first spring 17, wherein the first piston cylinder 13, the first piston 14, the first piston rod 15 and the first button 16 are made of insulating materials; the first piston cylinder 13 is provided with a first piston cylinder inner cavity 18, a plurality of first water inlet holes 19 and a plurality of first water outlet holes 20, and the first water inlet holes 19 are communicated with the first water outlet holes 20 through the first piston cylinder inner cavity 18; the first piston 14 is provided with a first piston inner cavity 21, a plurality of first water inlet holes 22 and a plurality of first water drainage holes 23, and the first water inlet holes 22 are communicated with the first water drainage holes 23 through the piston inner cavity 21; the first piston cylinder 13 is connected with the first upper mounting hole 8 of the water collecting plate 5 and the first middle mounting hole 10 of the water baffle plate 6, the first piston 14 is movably matched in the first piston cylinder 13, the first piston 14 is connected with the first piston cylinder 13 in a sealing mode, the first spring 17 is arranged in a first cylinder bottom 24 of the first piston cylinder 13, the first piston 14 is located above the first spring 17, the first button 16 is connected with the first piston rod 15, and the first piston rod 15 is connected with the first piston 14; the first water inlet hole 19 of the first piston cylinder 13 is positioned in the water collecting tank 1, and the first water outlet hole 20 of the first piston cylinder 13 is positioned in the water storage tank 2; the water storage tank water drain valve 4 comprises a second piston cylinder 25, a second piston 26, a second piston rod 27, a second button 28 and a second spring 29, wherein the second piston cylinder 25, the second piston 26, the second piston rod 27 and the second button 28 are made of insulating materials; the second piston cylinder 25 is provided with a second piston cylinder inner cavity 30, a second water inlet hole 31 and a second water outlet hole 32, and the second water inlet hole 31 is communicated with the second water outlet hole 32 through the second piston cylinder inner cavity 30; the second piston 26 is provided with a second piston inner cavity 33, a second water inlet hole 34 and a second water drain hole 35, and the second water inlet hole 34 is communicated with the second water drain hole 35 through the second piston inner cavity 33; the second piston cylinder 25 is connected with the second upper mounting hole 9 of the water collecting plate 5, the second middle mounting hole 11 of the water baffle plate 6 and the second lower mounting hole 12 of the water storage tank 2, the second piston 26 is movably matched in the second piston cylinder 25, the second piston 26 is hermetically connected with the second piston cylinder 25, the second spring 29 is arranged in a second cylinder bottom 36 of the second piston cylinder 25, the second piston 26 is positioned above the second spring 29, the second button 28 is connected with a second piston rod 27, and the second piston rod 27 is connected with the second piston 26; the second inlet hole 31 of the second piston cylinder 25 is located in the water storage tank 2, and the second outlet hole 32 of the second piston cylinder 25 is located outside the water collection tank 1 and the water storage tank 2.

When bathing, in order to control the bath water in the water collecting tank 1 to flow into the water storage tank 2 and control the bath water in the water storage tank 2 to flow to the floor of the bathroom; the initial state of the water collecting tank drain valve 3 is as follows: the first piston 14 is positioned at a position for sealing the first water inlet hole 19 of the first piston cylinder 13, the first water inlet hole 19 of the first piston cylinder 13 is not communicated with the first water outlet hole 20, and the water collecting tank water drain valve 3 is in a closed state; the initial state of the water tank drain valve 4 is as follows: the second piston 26 is located at a position for sealing the second water inlet hole 31 of the second piston cylinder 25, the second water inlet hole 31 of the second piston cylinder 25 is not communicated with the second water outlet hole 32, and the water storage tank water drain valve 4 is in a closed state.

The electric water heater electric shock preventing device has the use method as follows: when bathing, a person stands on the water collecting plate 5 of the water collecting tank 1 and keeps human body not in contact with the floor and the wall of the bathroom, shower water flows into the insulated water collecting tank 1 from the water collecting plate 5 through the water collecting through hole 7, so that direct contact between shower water flow and the floor of the bathroom is avoided, and in case of electric water heater leakage, current is blocked to form an electric shock loop by the human body through the water flow and the floor; when bathing, when the water collecting tank 1 needs to be discharged to the water storage tank 2, a first button 16 of a water collecting tank water discharge valve 3 is stepped by feet, the first piston 14 is driven to move downwards along the inner wall of the first piston cylinder 13 by overcoming the elastic force of a first spring 17, the water collecting tank water discharge valve 3 is opened, the first piston 14 of the water collecting tank water discharge valve 3 is positioned at a position which does not seal a first water inlet hole 19 of the first piston cylinder 13, the first water inlet hole 19 of the first piston cylinder 13 is communicated with a first water outlet hole 20, and the bathing water of the water collecting tank 1 flows into the insulated water storage tank 2 from the first water inlet hole 19 of the first piston cylinder 13 through the first water outlet hole 20, so that the bathing water flow is prevented from directly contacting with the bathroom ground, and in case of electric leakage of an electric water heater, electric current is blocked, and an electric shock loop is formed; after the bathing water in the water collecting tank 1 flows to the water storing tank 2, the first button 16 is loosened by feet, the first piston cylinder 13 moves upwards along the inner wall of the first piston cylinder 13 under the action of the elastic force of the first spring 17, so that the water discharging valve 3 of the water collecting tank is reset to the initial state, the first water inlet hole 19 of the first piston cylinder 13 is not communicated with the first water outlet hole 20, the bathing water in the water collecting tank 1 is isolated from the bathing water in the water storing tank 2 by the first piston 14, and the circuit for conducting the bathing water in the water collecting tank 1 and the bathing water in the water storing tank 2 is blocked; when bathing needs to be drained, the second button 28 of the water storage tank water drain valve 4 is stepped down by feet, the second piston 26 is driven to move downwards along the inner wall of the second piston cylinder 25 by overcoming the elastic force of the second spring 29, the water storage tank water drain valve 4 is opened, the second piston 26 of the water storage tank water drain valve 4 is positioned at the position of a second water inlet hole 31 of the second piston cylinder 25, the second water inlet hole 31 and the second water outlet hole 32 of the second piston cylinder 25 are communicated, the bathing water of the water storage tank 2 flows out of the bathroom ground from the second water inlet hole 31 of the second piston cylinder 25 through the second water outlet hole 32, because the bathing water of the water collection tank 1 is isolated from the bathing water in the water storage tank 2 by the first piston 14, the water collection tank 1 is insulated from the water storage tank 2, and the first piston cylinder 13 is insulated from the second piston cylinder 25, the direct contact of the bathing water stream contacting with the bathroom ground is effectively avoided, in case of electric leakage of the electric water heater, the electric current is blocked to form an electric shock loop by the water flow of a human body and the ground, and meanwhile, the bath water in the water storage tank 2 can be drained, so that the bath electric shock accident is reduced or avoided; after the bath water in the water storage tank 2 is drained, the second button 28 is loosened by feet, the second piston 26 moves upwards along the inner wall of the second piston cylinder 25 under the action of the elastic force of the second spring 29, so that the water storage tank water drain valve 4 is reset to the initial state, the second water inlet hole 31 of the second piston cylinder 25 is not communicated with the second water outlet hole 32, the bath water in the water storage tank 2 is isolated by the second piston 26, and the bath water in the water storage tank 2 and a circuit conducting on the ground of a bathroom are blocked.

In order to install the water collecting tank drain valve 3 and the water storage tank drain valve 4 on the water collecting tank 1 and the water storage tank 2; the axis of the first upper mounting hole 8 of the water collection plate 5 is the same as the axis of the first middle mounting hole 10 of the water stop plate 6; the axis of the second upper mounting hole 9 of the water collection sheet 5 is the same as the axis of the second middle mounting hole 11 of the water stop sheet 6 and the axis of the second lower mounting hole 12 of the water storage tank 2.

When bathing, the bathing water in the water collecting tank 1 is prevented from directly flowing into the water storage tank 2, the bathing water in the water storage tank 2 is prevented from directly flowing to the ground of a bathroom, and the bathing water flow is prevented from forming an electric shock loop; the water-stop sheet 6 of the water collection tank 1 is provided with a first sealing ring 37, a first sealing ring 38 and a second sealing ring 39, and the bottom plate 40 of the water storage tank 2 is provided with a third sealing ring 41; the water stop plate 6 is connected with the inner wall of the water collecting tank 1 in a sealing mode through a first sealing ring 37, the water stop plate 6 is connected with the outer wall of a first piston cylinder 13 of the water collecting tank water drain valve 3 in a sealing mode through a first sealing ring 38, the water stop plate 6 is connected with the outer wall of a second piston cylinder 25 of the water storage tank water drain valve 4 in a sealing mode through a second sealing ring 39, and a bottom plate 40 of the water storage tank 2 is connected with the outer wall of the second piston cylinder 25 in a sealing mode through a third sealing ring 41;

in order to implement the mutual sealing connection between the first piston cylinder 13 and the first piston 14, the first piston 14 is provided with a first inner sealing ring 42, the first inner sealing ring 42 is installed on the first piston 14, the first piston 14 is connected with the inner wall of the first piston cylinder 13 in a sealing way through the first inner sealing ring 42, the first water inlet hole 22 and the first water outlet hole 23 of the first piston 14 are positioned above the first inner sealing ring 42, and the first water inlet hole 22 is positioned above the first water outlet hole 23; the initial state of the first piston 14 is: the first piston 14 is supported in the first piston cylinder 13 by the first spring 17, the first water inlet hole 22 of the first piston 14 is not communicated with the first water inlet hole 19 of the first piston cylinder 13, and the first water outlet hole 23 of the first piston 14 is not communicated with the first water outlet hole 20 of the first piston cylinder 13.

When the electric shock preventing device of the electric water heater is used, when bath water in a water collecting tank 1 is full, a first button 16 is stepped down by feet, so that the first button 16 is contacted with a water collecting plate 5, a first piston 14 is driven by a first piston rod 15 to move downwards to a lower limit position along a first piston cylinder inner cavity 18 of a first piston cylinder 13 by overcoming the elastic force of a first spring 17, a first water inlet hole 19 of the first piston cylinder 13 is communicated with a first water inlet hole 22 of the first piston 14, and a first water outlet hole 23 of the first piston 14 is communicated with a first water outlet hole 20 of the first piston cylinder 13; the bath water in the water collecting tank 1 enters the first piston cylinder inner cavity 18 of the first piston 14 through the first water inlet hole 19 and the first water inlet hole 22, and is discharged into the water storing tank 2 through the first water discharging hole 23 and the first water outlet hole 20 from the first piston cylinder inner cavity 18; when the first button 16 is stepped down by feet, the water drain valve 4 of the water storage tank is maintained in an initial state, so that the shower water contacting with a human body is effectively prevented from directly contacting with the floor of the bathroom.

In order to implement the sealing connection between the second piston cylinder 25 and the second piston 26, the second piston 26 is provided with a second inner sealing ring 43, the second inner sealing ring 43 is mounted on the second piston 26, the second piston 26 is connected with the inner wall of the second piston cylinder 25 in a sealing way through the second inner sealing ring 43, the second water inlet hole 34 and the second water outlet hole 35 of the second piston 26 are positioned above the second inner sealing ring 43, and the second water inlet hole 34 is positioned above the second water outlet hole 35; the initial state of the second piston 26 is: the second piston 26 is supported in the second piston cylinder 25 by the second spring 29, the second water inlet hole 34 of the second piston 26 is not communicated with the second water inlet hole 31 of the second piston cylinder 25, and the second water outlet hole 35 of the second piston 26 is not communicated with the second water outlet hole 32 of the second piston cylinder 25.

When the electric shock preventing device of the electric water heater is used and bath water in the water storage tank 2 is full, the second button 28 is stepped down by feet to enable the second button 28 to be in contact with the water collecting plate 5, the second piston 26 is driven by the second piston rod 27 to overcome the elastic force of the second spring 29 and move downwards to a lower limiting position along the inner cavity 30 of the second piston cylinder 25, the second water inlet hole 31 of the second piston cylinder 25 is communicated with the second water inlet hole 34 of the second piston 26, and the second water outlet hole 35 of the second piston 26 is communicated with the second water outlet hole 32 of the second piston cylinder 25; the bath water in the water storage tank 2 enters the second piston cylinder inner cavity 30 of the second piston 26 through the second water inlet hole 31 and the second water inlet hole 34, and is discharged to the bathroom ground through the second piston cylinder inner cavity 30 via the second water discharge hole 35 and the second water outlet hole 32; when the second button 28 is stepped down by foot, the water collecting tank drain valve 3 is maintained in the initial state, so that the shower water contacting with the human body is effectively prevented from directly contacting with the bathroom floor.

In order to avoid that the water collecting tank drain valve 3 and the water storage tank drain valve 4 are opened simultaneously, the water collecting plate 5 is provided with a locking device 44, the locking device 44 comprises a guide sleeve 45, a locking buckle 46 and a third spring 47, the locking device 44 is arranged between the water collecting tank drain valve 3 and the water storage tank drain valve 4, the guide sleeve 45 is fixedly connected with the water collecting plate 5, and the locking buckle 46 is movably matched and connected with the guide sleeve 45; the first piston rod 15 of the water collecting tank water discharging valve 3 is provided with an inclined track 48, and the second piston rod 27 of the water storing tank water discharging valve 4 is provided with a lock hole 49; the initial state of the locker 44 is: under the elastic force of the third spring 47, the left end 50 of the lock catch 46 contacts the inclined track 48 of the first piston rod 15, the right end 51 of the lock catch 46 is located opposite to the lock hole 49, and the right end 51 of the lock catch 46 is aligned with the lock hole 49.

When the electric water heater anti-electric shock device is used, the water collecting tank water discharging valve 3 is opened, and the water collecting tank water discharging valve 3 is used for locking the water storing tank water discharging valve 4; when the first button 16 is stepped down by foot, the inclined track 48 of the first piston rod 15 moves downwards and rightwards, the latch 46 is driven to move by overcoming the elastic force of the third spring 47 of the latch device 44, the right end 51 of the latch 46 is inserted into the lock hole 49 of the second piston rod 27, the second piston rod 27 cannot move downwards, the water collecting tank water discharging valve 3 and the water storage tank water discharging valve 4 are prevented from being opened simultaneously, the bath water of the water collecting tank 1 and the water storage tank 2 is prevented from contacting with the ground simultaneously, and the formation of an electric shock loop is avoided.

After the first button 16 of the water collecting tank discharging valve 3 is released, the latch 46 of the latch 44 moves leftwards to be reset under the elastic force of the third spring 47, the right end 51 of the latch 46 leaves the lock hole 49 of the second piston rod 27, and the latch 44 is reset to the initial state.

When the reservoir discharge valve 4 is not opened, the center line of the lock hole 49 of the second piston rod 27 of the reservoir discharge valve 4 is the same as the axis of the lock catch 46 of the lock catch device 44, the axis of the lock catch 46 is parallel to the horizontal line, and the axis of the second piston rod 27 is perpendicular to the center line of the lock hole 49.

In order to open the water collecting tank drain valve 3 and open the water storage tank drain valve 4; the distance from the axis of the first water inlet hole 19 of the first piston cylinder 13 to the axis of the first water outlet hole 20 is equal to the distance from the axis of the first water inlet hole 22 of the first piston 14 to the axis of the first water outlet hole 23; the distance from the axis of the second water inlet hole 31 of the second piston cylinder 25 to the axis of the second water outlet hole 32 is equal to the distance from the axis of the second water inlet hole 34 of the second piston 26 to the axis of the second water outlet hole 35; when the water collecting tank drain valve 3 is in an initial state: the first water inlet hole 19 of the first piston cylinder 13 is communicated with the first water outlet hole 23 of the first piston 14; when the water storage tank drain valve 4 is in an initial state: the second water inlet hole 31 of the second piston cylinder 25 communicates with the second water discharge hole 35 of the second piston 26.

When the water collecting tank drain valve 3 is opened, the downward movement stroke of the first piston 14 is equal to the distance from the axis of the first water inlet hole 19 of the first piston cylinder 13 to the axis of the first water outlet hole 20, and the downward movement stroke of the first water inlet hole 22 and the first water outlet hole 23 of the first piston 14 is equal to the distance from the axis of the first water inlet hole 19 of the first piston cylinder 13 to the axis of the first water outlet hole 20; when the water storage tank water discharge valve 4 is opened, the downward movement stroke of the second piston 26 is equal to the distance from the axis of the second inlet hole 31 to the axis of the second outlet hole 32, and the downward movement stroke of the second inlet hole 34 and the second drain hole 35 of the second piston 26 is equal to the distance from the axis of the second inlet hole 31 to the axis of the second outlet hole 32.

Detecting the height of the bath water in the water collection tank 1 to avoid the bath water in the water collection tank 1 from overflowing; the water collecting tank 1 is provided with a buoy device 52, the buoy device 52 comprises a floating ball 53, a scale 54 and a scale sleeve 55, the scale sleeve 55 is fixedly connected with the water collecting plate 5 of the water collecting tank 1, the floating ball 53 is fixedly connected with the scale 54, the scale 54 is movably matched and connected with the scale sleeve 55, the floating ball 53 is positioned in the water collecting tank 1, the floating ball 53 is positioned below the scale sleeve 55, and the central line of the scale sleeve 55 is vertical to the horizontal line.

When a human body stands on the water collecting plate 5 of the water collecting tank 1 for bathing, the bathing water continuously flows into the water collecting tank 1 from the water collecting through holes 7 of the water collecting plate 5, the water level of the water collecting tank 1 is continuously raised along with the floating ball 53 in the water collecting tank 1, the scale 54 is continuously raised along with the floating ball 53 along with the scale sleeve 55, the water level of the water collecting tank 1 is detected by the scale 54, when the scale 54 indicates that the water level of the water collecting tank 1 reaches the controlled water level, the first button 16 of the water collecting tank water drain valve 3 is stepped by feet, the water collecting tank water drain valve 3 is opened, and the water collecting tank 1 is placed in the water storing.

When the water level of the water collecting tank 1 is indicated by the scale 54 to reach the controlled water level, the water discharging valve 3 of the water collecting tank is opened; after the water collecting tank water discharging valve 3 is opened, the scale 54 does not descend along with the opening of the water collecting tank water discharging valve 3, and the bath water in the water collecting tank 1 cannot flow into the water storage tank 2, which indicates that the bath water in the water storage tank 2 is full; after the bath water in the water storage tank 2 is full, a second button 28 of the water storage tank water drain valve 4 is stepped down by feet, the water storage tank water drain valve 4 is opened, and the bath water in the water storage tank 2 is drained away; after the bath water in the water storage tank 2 is drained, the first button 16 of the water collecting tank drain valve 3 is stepped, the water collecting tank drain valve 3 is opened, and the bath water in the water collecting tank 1 is placed in the water storage tank 2; and the process is continuously circulated.

In order to improve the insulating properties of the water collection sump 1; the edge of the water collecting tank 1 is provided with the annular water retaining sloping plate 56, so that the bath water cannot be sprayed to the position of the inner annular wall 57 of the water retaining sloping plate 56, the inner annular wall 57 of the water retaining sloping plate 56 is kept dry, the outer tank wall 58 of the water collecting tank 1 is reduced or prevented from being wetted by the bath water, and the insulating property of the water collecting tank 1 is improved.

In order to hang the water collecting tank 1 and the water storage tank 2 on the wall 59 of the bathroom, the electric shock preventing device of the electric water heater is provided with an elastic buckle 60 and a connecting seat 61, the elastic buckle 60 and the connecting seat 61 are fixedly connected with the wall 59, and the water collecting tank 1 is hinged with the connecting seat 61; after bathing is finished and the bathing water in the water collecting tank 1 and the water storage tank 2 is drained, the water collecting tank 1 and the water storage tank 2 on the bathroom floor are turned over by 90 degrees, so that the water collecting tank 1 and the water storage tank 2 lean against the wall 59, and the edge of the water retaining sloping plate 56 of the water collecting tank 1 is buckled by the elastic buckle 60; during the use, open elasticity and detain 60, with water catch bowl 1 and 2 opposite direction upsets 90, with water catch bowl 1 and 2 swings subaerial.

Claims (10)

1. An electric shock prevention device of an electric water heater is characterized in that: the electric shock prevention device of the electric water heater comprises a water collection tank (1), a water storage tank (2), a water collection tank drain valve (3) and a water storage tank drain valve (4), wherein the water collection tank (1) and the water storage tank (2) are made of insulating materials, the water collection tank (1) is positioned above the water storage tank (2), and the water collection tank drain valve (3) and the water storage tank drain valve (4) are arranged on the water collection tank (1) and the water storage tank (2); the water collecting tank (1) is provided with a water collecting plate (5) and a water stop plate (6), the water collecting plate (5) is positioned above the water stop plate (6), the water collecting plate (5) is provided with a water collecting through hole (7), and the water stop plate (6) separates the water collecting tank (1) from the water storage tank (2); the water collecting plate (5) is provided with a first upper mounting hole (8) and a second upper mounting hole (9), the water-stop plate (6) is provided with a first middle mounting hole (10) and a second middle mounting hole (11), and the water storage tank (2) is provided with a second lower mounting hole (12); the water collecting tank drain valve (3) comprises a first piston cylinder (13), a first piston (14), a first piston rod (15), a first button (16) and a first spring (17), and the first piston cylinder (13) is made of insulating materials; the first piston cylinder (13) is provided with a first piston cylinder inner cavity (18), a first water inlet hole (19) and a first water outlet hole (20), and the first water inlet hole (19) is communicated with the first water outlet hole (20) through the first piston cylinder inner cavity (18); the first piston (14) is provided with a first piston inner cavity (21), a first water inlet hole (22) and a first drainage hole (23), and the first water inlet hole (22) is communicated with the first drainage hole (23) through the piston inner cavity (21); the first piston cylinder (13) is connected with a first upper mounting hole (8) of the water collecting plate (5) and a first middle mounting hole (10) of the water stop plate (6), the first piston (14) is movably matched in the first piston cylinder (13), the first spring (17) is arranged in a first cylinder bottom (24) of the first piston cylinder (13), the first piston (14) is positioned above the first spring (17), the first button (16) is connected with the first piston rod (15), and the first piston rod (15) is connected with the first piston (14); a first water inlet hole (19) of the first piston cylinder (13) is positioned in the water collecting tank (1), and a first water outlet hole (20) of the first piston cylinder (13) is positioned in the water storage tank (2); the water storage tank drain valve (4) comprises a second piston cylinder (25), a second piston (26), a second piston rod (27), a second button (28) and a second spring (29), and the second piston cylinder (25) is made of insulating materials; the second piston cylinder (25) is provided with a second piston cylinder inner cavity (30), a second water inlet hole (31) and a second water outlet hole (32), and the second water inlet hole (31) is communicated with the second water outlet hole (32) through the second piston cylinder inner cavity (30); the second piston (26) is provided with a second piston inner cavity (33), a second water inlet hole (34) and a second water drainage hole (35), and the second water inlet hole (34) is communicated with the second water drainage hole (35) through the second piston inner cavity (33); the second piston cylinder (25) is connected with the second upper mounting hole (9) of the water collecting plate (5), the second middle mounting hole (11) of the water stop plate (6) and the second lower mounting hole (12) of the water storage tank (2), the second piston (26) is movably matched in the second piston cylinder (25), the second spring (29) is arranged in the second cylinder bottom (36) of the second piston cylinder (25), the second piston (26) is positioned above the second spring (29), the second button (28) is connected with the second piston rod (27), and the second piston rod (27) is connected with the second piston (26); a second water inlet hole (31) of the second piston cylinder (25) is positioned in the water storage tank (2), and a second water outlet hole (32) of the second piston cylinder (25) is positioned outside the water storage tank (2).

2. The electric shock preventing device of the electric water heater according to claim 1, wherein: the axis of the first upper mounting hole (8) of the water collection plate (5) is the same as the axis of the first middle mounting hole (10) of the water stop plate (6); the axis of the second upper mounting hole (9) of the water collecting plate (5) is the same as the axis of the second middle mounting hole (11) of the water stop plate (6) and the axis of the second lower mounting hole (12) of the water storage tank (2).

3. The electric shock preventing device of the electric water heater according to claim 2, wherein: a water-stop plate (6) of the water collecting tank (1) is provided with a first sealing ring (37), a first sealing ring (38) and a second sealing ring (39), and a bottom plate (40) of the water storing tank (2) is provided with a third sealing ring (41); the water stop plate (6) is in sealing connection with the water collection tank (1) through a first sealing ring (37), the water stop plate (6) is in sealing connection with a first piston cylinder (13) of the water collection tank water drain valve (3) through a first sealing ring (38), the water stop plate (6) is in sealing connection with a second piston cylinder (25) of the water storage tank water drain valve (4) through a second sealing ring (39), and a bottom plate (40) of the water storage tank (2) is in sealing connection with the second piston cylinder (25) through a third sealing ring (41).

4. The electric shock preventing device of the electric water heater according to claim 3, wherein: first piston (14) be equipped with first inner seal circle (42), first inner seal circle (42) are installed on first piston (14), first piston (14) are through first inner seal circle (42) and first piston cylinder (13) sealing connection, first inlet opening (22) and first drainage hole (23) of first piston (14) are located the top of first inner seal circle (42), first inlet opening (22) are located the top of first drainage hole (23).

5. The electric shock preventing device of the electric water heater according to claim 4, wherein: the second piston (26) is provided with a second inner sealing ring (43), the second inner sealing ring (43) is installed on the second piston (26), the second piston (26) is in sealing connection with the second piston cylinder (25) through the second inner sealing ring (43), a second water inlet hole (34) and a second water drainage hole (35) of the second piston (26) are located above the second inner sealing ring (43), and the second water inlet hole (34) is located above the second water drainage hole (35).

6. The electric shock preventing device of the electric water heater according to claim 5, wherein: the water collecting plate (5) is provided with a locking device (44), the locking device (44) comprises a guide sleeve (45), a lock catch (46) and a third spring (47), the locking device (44) is arranged between the water collecting tank water drain valve (3) and the water storage tank water drain valve (4), the guide sleeve (45) is fixedly connected with the water collecting plate (5), and the lock catch (46) is movably matched and connected with the guide sleeve (45); a first piston rod (15) of the water collecting tank water discharging valve (3) is provided with an inclined track (48), and a second piston rod (27) of the water storage tank water discharging valve (4) is provided with a lock hole (49).

7. The electric shock preventing device of the electric water heater according to claim 6, wherein: the initial state of the locking device (44) is as follows: under the action of the elastic force of the third spring (47), the left end (50) of the lock catch (46) is in contact with the inclined track (48) of the first piston rod (15), the right end (51) of the lock catch (46) is located opposite to the lock hole (49), and the right end (51) of the lock catch (46) is aligned with the lock hole (49).

8. The electric shock preventing device of the electric water heater according to claim 7, wherein: the distance from the axis of the first water inlet hole (19) of the first piston cylinder (13) to the axis of the first water outlet hole (20) is equal to the distance from the axis of the first water inlet hole (22) of the first piston (14) to the axis of the first water outlet hole (23); the distance from the axis of the second water inlet hole (31) of the second piston cylinder (25) to the axis of the second water outlet hole (32) is equal to the distance from the axis of the second water inlet hole (34) of the second piston (26) to the axis of the second water outlet hole (35).

9. The electric shock preventing device of the electric water heater according to claim 8, wherein: water catch bowl (1) be equipped with buoy device (52), buoy device (52) including floater (53), scale (54) and scale cover (55), scale cover (55) and water catch sheet (5) fixed connection of water catch bowl (1), floater (53) and scale (54) fixed connection, scale (54) and scale cover (55) movable fit are connected, floater (53) are located water catch bowl (1), floater (53) are located the below of scale cover (55), the central line of scale cover (55) is perpendicular with the water flat line.

10. The electric shock preventing device of the electric water heater according to claim 9, wherein: the edge of the water collecting tank (1) is provided with an annular water-retaining sloping plate (56), so that the bath water cannot be sprayed to the position of an inner annular wall (57) of the water-retaining sloping plate (56), and the inner annular wall (57) of the water-retaining sloping plate (56) is kept dry.

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