CN218523119U - Instant heating electric heating faucet - Google Patents

Abstract

The utility model discloses an instant heating electric heating faucet, which comprises a shell, wherein an electric heating device is arranged in the shell, the electric heating device comprises a heating valve body, a control valve body used for controlling water to enter the heating valve body and carry out heating operation is arranged on the heating valve body, a water outlet bent pipe is arranged on the shell, a water delivery electricity-proof wall component is arranged in the water outlet bent pipe, and the water inlet end of the water delivery electricity-proof wall component is communicated with the water outlet end on the heating valve body; the utility model has the advantages of simple integral structure, adopt the heater strip directly to heat to can step down the electric current of aquatic, add a very big resistance between electric heat tap and human body in other words, make dangerous voltage transformation safe voltage, and then improve the security, and convenient preparation and production can improve heating effect and thermal conversion efficiency.

Description

Instant heating electric heating faucet

Technical Field

The utility model belongs to the technical field of electrical heating tap, specific theory relates to an electrical heating tap.

Background

With the development of society and the improvement of the living standard of people, tap water with natural temperature can not meet the daily life needs of people, and a water supply mode of simultaneously supplying cold water and hot water becomes a real life target pursued by people more and more. However, most living areas do not have hot water supply conditions, or most of the heating devices are electric heating, gas heating and solar heating, such as electric water heaters, gas water heaters, solar water heaters and the like.

In order to solve the technical problem, an instant heating tap has appeared on the market, for CN202220179289.8 as patent application number, disclose an electric heating device of electric heating tap, which comprises a housing, display panel is installed to the left side surface embedding of casing, and the internally mounted of casing has the inner core, the base of intaking is installed to the lower extreme of inner core, the internally mounted of the base of intaking has water flow switch to always hold, and the externally mounted of the base of intaking has the base cushion, the electric wire frame is installed to the below that the outside of the base of intaking is located the base cushion.

Above-mentioned this kind of current electric heat tap's electric heating device can be used for heating cold water and obtain hot water, but this kind of current heating element uses the heating pipe, the overall structure of its heating pipe includes outside tubular metal resonator and inside heater strip, it makes the heating pipe heating to the heater strip circular telegram, but if the heating pipe sand hole appears or when the phenomenon breaks, its water can direct inflow in the heating pipe with the heater strip contact, and then make water electrified, electric leakage phenomenon appears easily, produce the incrustation scale in the working process easily, thereby lead to the thermal efficiency to reduce, power consumption increases, influence the result of use.

And its current electrical heating tap overall structure is complicated, and manufacturing cost is high, and use cost is high to the rivers velocity of water in the tap is fast, causes the heating effect unsatisfactory, and the thermal efficiency is slow, and then reduces the result of use, and this kind of current tap does not have anti-freezing effect, and when not using winter, and cold water stays in the heating intracavity, freezes easily, causes the heating chamber to break, influences life.

SUMMERY OF THE UTILITY MODEL

The to-be-solved main technical problem of the utility model is to provide an overall structure is simple, adopts the heater strip directly to heat to can step down the electric current of aquatic, add a very big resistance between electric heating tap and human body in other words, make dangerous voltage turn into safe voltage, and then improve the security, and make things convenient for preparation and production, can improve heating effect and thermal conversion efficiency, and have the effect of preventing frostbite's instantaneous electric heating tap.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides an instant heating electrical heating tap, includes the shell, installs electric heater unit in the shell, and electric heater unit is including heating the valve body, is provided with the control valve body that is used for controlling water entering heating valve body and carries out the heating operation on the heating valve body, installs out the water return bend on the shell, installs the water delivery in the play water return bend and prevents electric wall subassembly, and the water delivery prevents electric wall subassembly intake end and the heating valve body go up the water outlet end intercommunication.

The following is the utility model discloses to above-mentioned technical scheme's further optimization:

the heating valve body comprises a heating cavity body which is vertically arranged, a water delivery cavity body is integrally connected to one side of the heating cavity body and the position close to the lower end of the heating cavity body, and a water inlet pipe is integrally connected to the lower part of the water delivery cavity body; a first blocking cavity is formed in the heating cavity body and close to the upper position, and a blocking anti-freezing assembly is installed in the first blocking cavity.

And (4) further optimizing: two heating chambers are formed in the heating chamber main body, a partition plate is arranged between the two heating chambers, the same heating wire is installed between the two heating chambers, a corner positioning block is installed at the upper end of the partition plate, the two ends of the heating wire are respectively and electrically connected with a wiring terminal, and the lower end of the wiring terminal penetrates through the heating chamber main body and extends to the outside.

And (4) further optimizing: a water inlet cavity and a hot water output cavity are formed in the water delivery cavity, the water inlet cavity and the hot water output cavity are not communicated with each other, and one ends of the water inlet cavity and the hot water output cavity, which are close to the two heating cavities, respectively penetrate through the heating cavity main body and are communicated with the corresponding heating cavities; the position of the water delivery cavity body close to the hot water output cavity is provided with a temperature measuring hole and a water outlet hole.

Further optimization: the water inlet pipe is arranged below the water delivery cavity, the water inlet pipe is communicated with the water inlet cavity, a first connecting seat is integrally arranged on the water delivery cavity, and a first counter bore is formed in the first connecting seat; the first counter bore and the water inlet pipe are arranged coaxially.

Further optimization: a second connecting seat is integrally installed on the water delivery cavity, a circular sinking groove is formed in the second connecting seat, and an annular bulge is integrally connected to the inner bottom surface of the circular sinking groove; and a second communicating hole is formed in the middle position of the annular bulge on the inner bottom surface of the circular sinking groove and is communicated with the water inlet cavity.

And (4) further optimizing: the control valve body comprises a control valve main body, a fourth connecting seat is integrally connected to the valve manufacturing main body, a second counter bore is formed in the fourth connecting seat and communicated with the first counter bore, a third connecting seat is integrally connected to the valve manufacturing main body and matched with the circular counter bore; the middle part of the third connecting seat is provided with a mounting through hole.

Further optimization: the control valve main body is provided with a water inlet control component for controlling whether the water inlet pipe enters water or not; a heating switch assembly for controlling the heating wire to be started or stopped is arranged on the main body of the control valve at a position close to the mounting through hole; the control shaft is installed on the valve making main body, the control shaft rotates to be provided with three working positions, and the three working positions are respectively a cold water working position, a closing working position and a hot water working position.

Further optimization: the water inlet control assembly comprises a push rod arranged in a second counter bore, the lower end of the push rod extends into the water inlet pipe, a spring is arranged in the second counter bore, and the spring is connected with the push rod in a propping manner; a one-way check valve is arranged in the water inlet pipe below the push rod, the push rod moves downwards to jack the one-way check valve to be opened, and a one-way check valve positioning plug is arranged on the water inlet pipe below the one-way check valve; the middle part of the one-way check valve positioning plug is provided with a small water inlet hole.

Further optimization: the water delivery electricity-proof wall component comprises a water delivery pressure reducing pipe, one end of the water delivery pressure reducing pipe is communicated with the water outlet hole, the other end of the water delivery pressure reducing pipe is connected with a connector, and the connector is positioned and installed at the water outlet end of the water outlet bent pipe through a shaft shoulder.

The utility model adopts the above technical scheme, think about ingenious, rational in infrastructure, can have the function of exporting hot water and cold water according to using the operating mode, and overall structure is simple, the equipment simple to operate, and can prevent to appear the electric leakage phenomenon because of the quality of heating pipe, adopt the heater strip to heat directly, can improve heating efficiency, and can make full use of the relation of voltage and resistance through the water delivery electricity-proof wall subassembly, through prolonging the water course of water delivery electricity-proof wall subassembly, and then lengthen the resistance of water; the anti-electricity-leakage protection device is used on the premise that the total passing voltage is not changed, so that the passing current is reduced to the safe output voltage, the anti-electricity function is realized, the use effect is improved, and the electric leakage phenomenon is avoided.

The plugging anti-freezing component has an anti-freezing effect, when the plugging anti-freezing component is not used for a long time in winter and water in the heating cavity is frozen, the plugging anti-freezing component can self-adapt to volume expansion caused by freezing, the heating cavity is prevented from being frozen, safety is improved, and using effect is improved.

And can reduce the velocity of flow of intaking through one-way check valve location water control subassembly, make the cold water velocity of flow in the heating chamber slow down, and then can improve heating efficiency and heating effect, and then improve the result of use to overall structure is simple, convenient to use, equipment simple to operate, and production and use cost are little, and the security is high.

The present invention will be further explained with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

fig. 2 is a sectional view of the overall structure in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an electric heating device in an embodiment of the present invention;

fig. 4 is a schematic view of another view of the electric heating apparatus according to the embodiment of the present invention;

fig. 5 is a cross-sectional view of an electric heating apparatus according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a heating valve body in an embodiment of the present invention;

fig. 7 is a schematic view of another perspective of the heating valve body according to the embodiment of the present invention;

FIG. 8 is a sectional view of the heating valve body at the water inlet connection cavity in the embodiment of the present invention;

fig. 9 is a sectional view of the heating valve body at the hot water output cavity in the embodiment of the present invention;

fig. 10 is a schematic structural diagram of a control valve body in an embodiment of the present invention;

fig. 11 is a schematic view of another view angle of the control valve body in the embodiment of the present invention;

fig. 12 is a schematic structural diagram of a control valve main body according to an embodiment of the present invention;

FIG. 13 is an enlarged view of a portion of FIG. 2 at A;

FIG. 14 is a schematic structural view of a wafer stopper in an embodiment of the present invention;

fig. 15 is a schematic structural diagram of an expanded silica gel switch according to an embodiment of the present invention;

fig. 16 is a partial cross-sectional view of a switch contact in an embodiment of the invention;

fig. 17 is a partial sectional view of an embodiment of the present invention at the location of an expanding silicone switch;

fig. 18 is a schematic structural view of the switch control shaft in the embodiment of the present invention;

FIG. 19 is a schematic view of the structure of the water-delivery electricity-proof wall assembly in the embodiment of the present invention;

fig. 20 is a schematic structural diagram of the ground bolt according to an embodiment of the present invention.

In the figure: 1-a housing; 101-a clip; 2-heating the valve body; 21-heating chamber body; 211-a heating chamber; 212-a separator; 213-heating wires; 214-corner positioning blocks; 215-a connection terminal; 216-a first occlusion lumen; 217-blocking head; 218-a freeze-protected chamber; 219-first via; 2111-first stopper head; 2112-top spring; 22-a water delivery cavity; 221-water inlet connecting cavity; 222-a hot water output cavity; 223-a second occlusion lumen; 224-a second stopper head; 225-first connection mount; 2251-a first counterbore; 226-a second connection receptacle; 2261-circular sink; 2262-annular projection; 2263-second communication hole; 227-thermometric hole; 228-water outlet; 229-connecting column; 23-a water inlet pipe; 231-one-way check valve; 232-one-way check valve positioning plug; 3-control valve body; 31-a control valve body; 311-positioning guide holes; 32-a fourth connection seat; 321-a second counterbore; 33-a push rod; 331-a roof-grafting part; 332-push rod end; 34-a third connection seat; 341-mounting through holes; 35-an expansion silica gel switch; 351-a body segment; 352-sealing expansion face; 353-a terminating end; 354-sealing ring edge; 36-contact stopper; 361-a stopper body; 362-limit feet; 363-a first restraint slot; 364-a second retaining groove; 365-connecting through holes; 371-switch the movable contact spring; 372-switch fixed contact; 381-moving contact mounting seat; 382-fixed contact mounting seat; 39-a first support; 391-a first support aperture; 30-a second support seat; 301-a second support hole; 4-water outlet elbow pipe; 5-a water delivery electricity-proof wall assembly; 51-water delivery depressurization pipe; 52-a connecting head; 53-a bubbler; 6-switching the control rotating shaft; 61-an annular groove; 62-a connecting shaft; 63-first section; 64-second section; 65-third section; 66-a limiting surface; 7-a switch handle; 8-handle backing plate; 9-bottom end sealing; 10-earth bolt.

Detailed Description

As shown in fig. 1-20, an instant heating electric heating faucet, includes shell 1, installs electric heater unit in the shell 1, electric heater unit is including heating valve body 2, be provided with the control valve body 3 that is used for controlling water entering heating valve body 2 and carries out the heating operation on the heating valve body 2, install out water return bend 4 on the shell 1, install water delivery electricity prevention wall subassembly 5 in the water return bend 4, water delivery electricity prevention wall subassembly 5's the end of intaking and heating valve body 2 go up the water outlet end intercommunication.

As shown in fig. 1 to 9, the heating valve body 2 includes a heating cavity main body 21, a water delivery cavity 22 is integrally connected to one side of the heating cavity main body 21 and a position close to the lower end of the heating cavity main body, and a water inlet pipe 23 is integrally connected to the lower side of the water delivery cavity 22.

The heating cavity main body 21 and the water conveying cavity 22 are vertically arranged.

Two heating cavities 211 which are arranged in parallel are arranged in the heating cavity main body 21, a partition plate 212 is arranged between the two heating cavities 211 in the heating cavity main body 21, and the partition plate 212 is used for separating the two heating cavities 211.

The partition 212 is provided with an opening at an upper end thereof, and the two heating cavities 211 are communicated with each other through the opening at an upper side thereof.

The same heating wire 213 is installed between the two heating cavities 211, and the middle part of the heating wire 213 is bent along the upper end of the partition 212, so that the two ends of the heating wire 213 are respectively arranged in the two heating cavities 211.

By such design, the heating wire 213 can be arranged in the two heating cavities 211 through one heating wire 213, so as to facilitate assembly and installation.

Corner locating piece 214 is installed to the upper end of baffle 212, the upper end of corner locating piece 214 is the arcwall face, can lead the department of buckling of heater strip 213 through the arcwall face, facilitates the use.

The corner positioning block 214 is made of a high-temperature-resistant insulating flame-retardant material, so that the outer surface of the heating wire 213 can be separated from the partition plate 212 and the inner surface of the heating cavity 211 through the corner positioning block 214, the heating wire 213 is prevented from directly contacting the inner surface of the heating cavity 211, and the using effect is improved.

The lower extreme of heating chamber main part 21 and the corresponding position punishment of two heating chambers 211 have seted up the mounting hole respectively, the mounting hole runs through heating chamber main part 21, two mounting holes communicate with corresponding heating chamber 211 respectively.

The two mounting holes are respectively provided with a connecting terminal 215 in a sealing manner, and two ends of the heating wire 213 are respectively electrically connected with the corresponding connecting terminals 215.

The lower end of the connection terminal 215 penetrates through the mounting hole of the heating chamber body 21 and extends to the outside to be electrically connected with an external power line.

After the peripheral power line is connected with the peripheral power supply, the heating wire 213 is powered on to work, and the heating wire 213 is powered on to work to heat the water source flowing through the two heating cavities 211.

A first blocking cavity 216 is formed in the heating cavity main body 21 above the partition plate 212, and a blocking anti-freezing assembly is installed in the first blocking cavity 216.

The plugging anti-freezing component comprises a plugging head 217, the outer surface of the plugging head 217 is matched with the inner surface of the first plugging cavity 216, and the outer surface of the plugging head 217 is connected with the inner surface of the first plugging cavity 216 in a sealing mode through a sealing ring.

A first bolt hole is formed in the heating cavity main body 21 at a position close to the first blocking cavity 216, and a second bolt hole is formed in the blocking head 217 at a position corresponding to the first bolt hole.

After the plugging head 217 is installed in the first plugging chamber 216, the lower end of the plugging head 217 is fixedly installed in the first plugging chamber 216 by inserting the grounding bolt 10 into the first bolt hole and the second bolt hole.

The upper part of the blocking head 217 is provided with two anti-freezing cavities 218 corresponding to the two heating cavities 211, and the lower ends of the two anti-freezing cavities 218 are provided with first communication holes 219.

The lower end of the first communication hole 219 penetrates the lower end of the blocking head 217, and the two anti-freezing cavities 218 are respectively communicated with the corresponding heating cavities 211 through the corresponding first communication holes 219.

The diameter of the inner surface of the first communication hole 219 is smaller than that of the anti-freezing chamber 218.

A first blocking head 2111 is slidably and hermetically installed in the anti-freezing cavity 218, and the first blocking head 2111 can be used for adjusting a water storage cavity of the anti-freezing cavity 218 by sliding in the anti-freezing cavity 218.

The upper end of the first plugging head 2111 is provided with a jacking spring 2112, and the jacking spring 2112 outputs elastic force for jacking the first plugging head 2111 to move towards one side close to the first communication hole 219.

After the heating valve body 2 is installed in the housing 1, the upper end of the butting spring 2112 is butted with the inner surface of the upper end of the housing 1, so that supporting force is provided for the butting spring 2112.

Design like this, when using, when being in the winter, heating chamber 211 content is easily frozen, when the phenomenon of freezing appears in heating chamber 211, the volume increase of this frozen water of back that freezes in the heating chamber 211, during the increase of water volume this moment, water accessible first through-hole 219 is carried to in the chamber 218 prevents frostbite, and the water in the chamber 218 prevents frostbite this moment can push up and move first stopper 2111 and shift up, and first stopper 2111 is used for compressing top connection spring 2112 this moment, and then realizes providing the space to the increase of water back volume that freezes, prevents to heat valve body 2 and the frost crack phenomenon appears, and then improves the result of use.

When the frozen water is melted, the pressure in the anti-freezing cavity 218 is reduced, the propping spring 2112 outputs elastic force to prop the first blocking head 2111 to move towards the side close to the first communication hole 219, so that the use is convenient, the use effect is improved, and the whole service life can be prolonged.

The water delivery cavity 22 and the heating cavity main body 21 are vertically arranged, and the water delivery cavity 22 is arranged on the heating cavity main body 21 and close to the lower end of the heating cavity main body.

The water delivery cavity 22 is internally provided with a water inlet connecting cavity 221 and a hot water output cavity 222, the water inlet connecting cavity 221 and the hot water output cavity 222 are independent cavities respectively, and the water inlet connecting cavity 221 and the hot water output cavity 222 are not communicated with each other.

One ends of the water inlet connection cavity 221 and the hot water outlet cavity 222 close to the two heating cavities 211 respectively penetrate through the heating cavity main body 21 and are communicated with the corresponding heating cavities 211.

The cold water in the water inlet connection cavity 221 firstly enters the corresponding heating cavity 211, at this time, the cold water in the heating cavity 211 flows into the other heating cavity 211 through the upper part of the corner positioning block 214, and at this time, the cold water flowing in the two heating cavities 211 can be heated by the operation of the heating wire 213.

And the cold water heated in the heating cavity 211 is delivered into the hot water output cavity 222, so that the hot water is output, and the use is convenient.

A second blocking cavity 223 is formed in one end, far away from the heating cavity body 21, of the water delivery cavity 22, and the ends, far away from the heating cavity body 21, of the water inlet connecting cavity 221 and the hot water output cavity 222 are communicated with the second blocking cavity 223.

A second blocking head 224 is installed in the second blocking cavity 223, and the second blocking head 224 is used for blocking one ends of the water inlet connection cavity 221 and the hot water output cavity 222, which are far away from the heating cavity main body 21, so that the use is convenient.

The second plugging head 224 is used for plugging the water inlet connection cavity 221 and the hot water output cavity 222 respectively, so that the water inlet connection cavity 221 and the hot water output cavity 222 can be prevented from being communicated at the position, and the using effect is improved.

The water inlet pipe 23 is arranged below the water delivery cavity 22, a through hole is formed in the position, corresponding to the water inlet pipe 23, in the water inlet connecting cavity 221, and one end, close to the water delivery cavity 22, of the water inlet pipe 23 is communicated with the water inlet connecting cavity 221 through the through hole.

The through hole and the water inlet pipe 23 are arranged coaxially.

A first connecting seat 225 is integrally installed on the water delivery cavity 22, the first connecting seat 225 and the water inlet pipe 23 are coaxially arranged, and a first counter bore 2251 is formed in the first connecting seat 225; the first counter bore 2251 is arranged coaxially with the water inlet pipe 23.

The first counterbore 2251 is in communication with the inlet conduit 23.

The water delivery cavity 22 is integrally provided with a second connecting seat 226, the second connecting seat 226 is provided with a circular sinking groove 2261, and the inner bottom surface of the circular sinking groove 2261 is integrally connected with an annular protrusion 2262.

A second communication hole 2263 is formed in the inner bottom surface of the circular sinking groove 2261 and located in the middle of the annular protrusion 2262, and the second communication hole 2263 is communicated with the water inlet connection cavity 221.

Cold water in the water inlet connection chamber 221 can automatically flow into the circular sinking groove 2261 through the second communication hole 2263 under the action of water pressure.

A temperature measuring hole 227 and a water outlet hole 228 are formed in the water delivery cavity 22 at a position close to the hot water output cavity 222, and the temperature measuring hole 227 and the water outlet hole 228 are respectively communicated with the hot water output cavity 222.

With this arrangement, the hot water in the hot water outlet chamber 222 can enter the temperature measuring hole 227 and the water outlet hole 228, and then is output through the water outlet hole 228.

The temperature measuring device is characterized in that a window is formed in the shell 1, a display screen is installed at the window, a temperature measuring sensor is electrically connected to the display screen, a copper tube is sleeved on a temperature measuring end of the temperature measuring sensor, heat conducting glue is filled between the copper tube and the temperature measuring end, and the copper tube is installed in the temperature measuring hole 227 in a sealing mode.

At this time, when the hot water in the hot water output cavity 222 flows through the temperature measuring hole 227, the temperature measuring sensor is used for detecting the temperature of the hot water in the hot water output cavity 222, and a detection signal is sent to the display screen, and the display screen is used for displaying the detection temperature, so that the use is convenient.

The water delivery cavity 22 is integrally connected with a plurality of connecting columns 229, threaded holes are formed in the connecting columns 229, and the connecting columns 229 and the threaded holes are used for positioning and mounting the control valve body 3, so that the use is convenient.

The control valve body 3 comprises a control valve main body 31, and through grooves are respectively formed in the positions, corresponding to the temperature measuring hole 227 and the water outlet hole 228, of the control valve main body 31.

As shown in fig. 3 to 7 and fig. 10 to 18, a fourth connecting seat 32 is integrally connected to a position of the valve making main body 31 corresponding to the first connecting seat 225, a second counter bore 321 is formed in the fourth connecting seat 32, the second counter bore 321 is communicated with the first counter bore 2251, and the second counter bore 321 is coaxially arranged with the first counter bore 2251.

The valve main body 31 is provided with a water inlet control component for controlling the water inlet pipe 23 to feed water, the water inlet control component comprises a push rod 33 installed in a second counter bore 321, and the lower end of the push rod 33 sequentially penetrates through the second counter bore 321, a first counter bore 2251 and a water inlet connecting cavity 221 and extends into the water inlet pipe 23.

A sealing ring is arranged between the first counterbore 2251 and the outer surface of the push rod 33, and the sealing ring is used for sealing the joint between the first counterbore 2251 and the push rod 33, so as to prevent the cold water in the water inlet connection cavity 221 from leaking out at the joint.

And the push rod 33 is in sliding sealing connection with a seal ring in the first counterbore 2251.

An abutting part 331 is integrally connected to the upper end of the push rod 33 above the second counterbore 321.

One end of the push rod 33 located at the water inlet pipe 23 is integrally connected with a push rod end 332.

A spring is installed in the second counter bore 321, and two ends of the spring are respectively abutted with the inner bottom surface of the second counter bore 321 and the lower end surface of the abutting portion 331.

The spring outputs a spring force to push the push rod 33 to move upwards.

One-way check valve 231 is installed below push rod 33 in water inlet pipe 23, and when push rod 33 moved downwards, push rod end 332 pushed one-way check valve 231 open, and at this moment, cold water below water inlet pipe 23 entered water inlet pipe 23 through one-way check valve 231, and then entered water inlet connection cavity 221 and heating cavity 211.

When the push rod 33 moves upward, the push rod end 332 moves away from the check valve 231, and the check valve 231 is automatically closed.

In this embodiment, the one-way check valve 231 may be a one-way valve, and the flow direction of the one-way valve is opposite to the flow direction of the cold water in the water inlet pipe 23.

By such design, when the pushing rod 33 moves downwards when pressure is applied to the abutting part 331, the end 332 of the pushing rod abuts against the one-way check valve 231 to open, and at this time, cold water below the water inlet pipe 23 enters the water inlet pipe 23 through the one-way check valve 231 and then enters the water inlet connecting cavity 221 and the heating cavity 211.

When the pressure on the abutting part 331 disappears, the push rod 33 automatically resets under the action of the spring, at this time, the push rod 33 moves upwards, the push rod 33 drives the end part 332 of the push rod to be far away from the one-way check valve 231, and at this time, the one-way check valve 231 automatically closes.

A one-way check valve positioning plug 232 is arranged on the water inlet pipe 23 and below the one-way check valve 231; the one-way check valve positioning plug 232 is installed below the one-way check valve 231, and the one-way check valve positioning plug 232 positions the position of the one-way check valve 231.

A small water inlet hole is formed in the middle of the one-way check valve positioning plug 232, and the diameter of the small water inlet hole is smaller than that of the water inlet pipe 23.

Design like this, one-way check valve location stopper 232 is installed on inlet tube 23, and then can fix a position one-way check valve 231, facilitate the use to the water source of inlet tube 23 below gets into in the inlet tube 23 through the aperture of intaking at 232 middle part of one-way check valve location stopper, and then can reduce the velocity of flow of intaking through this aperture of intaking, make the cold flow velocity in the heating chamber 211 slow down, and then can improve the heating efficiency of heater strip 213, improve heating effect, and then improve the result of use.

A third connecting seat 34 is integrally connected to a position below the control valve body 31 and close to the second connecting seat 226, and the diameter of the outer surface of the third connecting seat 34 is matched with the diameter of the inner surface of the circular sinking groove 2261.

A mounting through hole 341 is formed in the middle of the third connecting seat 34, and the mounting through hole 341 penetrates through the lower end surface of the third connecting seat 34 and the upper end surface of the control valve main body 31.

The diameter of the inner surface of the mounting through-hole 341 is larger than the diameter of the outer surface of the annular protrusion 2262.

With such a design, when the control valve body 3 is installed on the water delivery cavity 22, the third connecting seat 34 is installed in the circular sunken groove 2261, the outer surface of the third connecting seat 34 is matched with the inner surface of the circular sunken groove 2261, and the installation through hole 341 is sleeved on the outer portion of the annular protrusion 2262.

A heating switch assembly for controlling the heating wire 213 to be turned on or off is installed on the control valve main body 31 at a position near the installation through hole 341.

The heating switch subassembly includes expanded silica gel switch 35, expanded silica gel switch 35 installs in the below of installation through-hole 341, the last position department movable mounting that is close to installation through-hole 341 of control valve body 3 has contact stopper 36, be provided with two switch contacts 37 on the contact stopper 36.

The expansion silica gel switch 35 comprises a main body section 351, a water storage cavity is formed in the middle of the main body section 351, a sealing expansion surface 352 is integrally connected to the upper end of the main body section 351, and a butting end 353 is integrally connected to the middle of the upper portion of the sealing expansion surface 352.

When water is injected into the water storage cavity, the pressure of the water acts on the sealing expansion surface 352, and at the moment, the sealing expansion surface 352 expands upwards to drive the abutting end 353 to move upwards.

The lower end of the water storage cavity in the main body section 351 penetrates through the lower end surface of the main body section 351.

A sealing rim 354 is integrally connected to the outer surface of the body section 351 near the lower end thereof.

The outer surface diameter of the body section 351 is matched with the inner surface diameter of the mounting through hole 341, and the outer surface diameter of the sealing ring edge 354 is matched with the outer surface diameter of the third connecting seat 34.

The diameter of the inner surface of the water storage cavity in the body section 351 matches the diameter of the outer surface of the annular protrusion 2262.

By the design, when the expansion silicone switch 35 is installed, the main body section 351 of the expansion silicone switch 35 is installed in the installation through hole 341 from the lower end of the installation through hole 341, and at this time, the sealing ring edge 354 is in shaft shoulder fit with the lower end of the third connecting seat 34, so as to position the installation position of the expansion silicone switch 35.

Then the third connecting seat 34 is installed in the circular sinking groove 2261, and the outer surface of the third connecting seat 34 is matched with the inner surface of the circular sinking groove 2261, at this time, the sealing ring edge 354 is installed in the cavity between the circular sinking groove 2261 and the annular protrusion 2262, and the outer surface of the annular protrusion 2262 is matched with the inner surface of the water storage cavity.

At this time, after the control valve body 3 is pressed, the connection between the third connecting seat 34 and the circular sinking groove 2261 is sealed by the sealing ring edge 354 of the expanded silica gel switch 35 to prevent water leakage.

When cold water is output from the second communication hole 2263, the cold water enters the water storage cavity in the main body section 351, at this time, the pressure of the water acts on the sealing expansion surface 352, at this time, the sealing expansion surface 352 expands upwards, and the abutting end 353 is driven to move upwards.

The seal expansion surface 352 and the top contact 353 move upwardly to move the contact stopper 36 upwardly.

The expansion silica gel switch 35 is made of silica gel or rubber material.

The contact piece limiting block 36 comprises a limiting block main body 361, and the outer surface of the lower end of the limiting block main body 361 is matched with the inner surface of the installation through hole 341.

The lower end of the stopper body 361 is installed in the installation through-hole 341.

The two sides of the limiting block main body 361 are respectively and integrally connected with limiting pins 362, the control valve main body 31 is provided with positioning guide holes 311 at positions corresponding to the limiting pins 362, and the limiting pins 362 are installed in the corresponding positioning guide holes 311.

The limiting block main body 361 is provided with a first limiting groove 363 and a second limiting groove 364, the first limiting groove 363 and the second limiting groove 364 are communicated with each other, and the opening depth of the first limiting groove 363 is larger than that of the second limiting groove 364.

A connecting through hole 365 is formed in the first limiting groove 363 of the limiting block main body 361, and the connecting through hole 365 penetrates through the lower end face of the limiting block main body 361.

The connecting through hole 365 is matched with the shape of the outer surface of the abutting end 353.

After the contact piece limiting block 36 is installed on the control valve main body 31, the top connection end 353 of the expansion silica gel switch 35 is installed in the connecting through hole 365.

Design like this, expansion silica gel switch 35's top connection 353 is installed in connect the through-hole 365, can improve contact stopper 36's result of use, and then when expansion silica gel switch 35 expanded, can drive contact stopper 36 and remove.

A switch fixed contact piece 372 is installed in the first limit groove 363, a switch movable contact piece 371 is installed in the second limit groove 364, and the switch fixed contact piece 372 and the switch movable contact piece 371 are arranged at intervals in an initial state.

And the opening depth of the first limit groove 363 is greater than the opening depth of the second limit groove 364, so that when the contact piece limit block 36 moves upwards, the top contact switch movable contact piece 371 moves towards the direction close to the switch fixed contact piece 372 through the inner bottom surface of the second limit groove 364.

A movable contact piece mounting seat 381 is integrally connected to the position, close to the switch movable contact piece 371, of the control valve main body 31, and a fixed contact piece mounting seat 382 is integrally connected to the position, close to the switch fixed contact piece 372, of the control valve main body 31.

The ends of the switch movable contact piece 371 and the switch fixed contact piece 372, which are far away from each other, are respectively mounted on the corresponding movable contact piece mounting seat 381 and the fixed contact piece mounting seat 382 through bolts.

The switch movable contact 371 has elasticity itself, and is made of a metal material having elasticity.

By such a design, when the sealing expansion surface 352 and the top contact 353 move upwards to drive the contact stopper 36 to move upwards, the contact stopper 36 can pass through the inner bottom surface of the second stopper groove 364, the top contact switch movable contact 371 moves towards the direction close to the switch fixed contact 372, and the switch movable contact 371 contacts with the switch fixed contact 372 at the moment.

The switch movable contact piece 371 and the switch fixed contact piece 372 are respectively connected in series on a peripheral power line of the heating wire 213, the switch movable contact piece 371 and the switch fixed contact piece 372 play a role of a switch, when the switch movable contact piece 371 and the switch fixed contact piece 372 are in contact, a power supply can be switched on, and when the switch movable contact piece 371 and the switch fixed contact piece 372 are switched off, the power supply can be switched off.

The switch movable contact piece 371 and the switch fixed contact piece 372 contact with an external power line to supply power to the heating wire 213, and at the moment, the heating wire 213 can be used for heating water in the heating cavity 211, so that the use is convenient.

The positions, corresponding to the connecting columns 229, of the control valve body 31 are respectively provided with bolt through holes, the bolt through holes and the threaded holes in the connecting columns 229 can be connected with bolts, and therefore the control valve body 3 is fixedly mounted on the water delivery cavity 22, and the control valve body is convenient to assemble, mount and use.

The control valve main part 31 is integrally connected with a first supporting seat 39 and a second supporting seat 30, the first supporting seat 39 and the second supporting seat 30 are arranged in parallel, and the first supporting seat 39, the second supporting seat 30 and the control valve main part 31 are arranged vertically.

Install on first supporting seat 39 and the second supporting seat 30 on the on-off control pivot 6, on-off control pivot 6 rotates on first supporting seat 39 and second supporting seat 30 and has three work position, and this three work position is cold water work position, closes work position and hot water work position respectively.

The first support seat 39 is provided with a first support hole 391, and the second support seat 30 is provided with a second support hole 301.

Both ends of the switch control rotating shaft 6 are respectively installed on the first supporting hole 391 and the second supporting hole 301.

An annular groove 61 is formed in the position, corresponding to the second support hole 301, of the switch control rotating shaft 6, and a sealing ring is installed in the annular groove 61.

After the end of the switch control rotating shaft 6 is installed in the second supporting hole 301, the outer surface of the sealing ring is in contact with the second supporting hole 301, friction force can be improved through the sealing ring, resistance when the switch control rotating shaft 6 rotates is further improved, and using effect is improved.

The position of the switch control rotating shaft 6 corresponding to the first supporting hole 391 is matched with the inner surface of the first supporting hole 391.

One end of the switch control rotating shaft 6, which is close to the first supporting hole 391, is integrally connected with a connecting shaft 62, and the cross section of the connecting shaft 62 is polygonal.

A first tangent plane 63 is arranged at a position on the switch control rotating shaft 6 corresponding to the push rod 33, and a second tangent plane 64 and a third tangent plane 65 are arranged on the switch control rotating shaft 6 at two sides of the first tangent plane 63.

The second cut surface 64 and the third cut surface 65 are each arranged obliquely with respect to the first cut surface 63.

A position of the switch control rotating shaft 6 corresponding to the contact stopper 36 is provided with a limiting surface 66, and the limiting surface 66 is obliquely arranged relative to the first tangent 63.

In the present embodiment, the first cutting surface 63 and the limiting surface 66 are arranged in a staggered manner.

When in use, the switch control rotating shaft 6 rotates on the first supporting seat 39 and the second supporting seat 30 to have three working positions, which are respectively a closing working position, a cold water working position and a hot water working position.

When the switch control rotating shaft 6 rotates to the closing working position, the first tangent plane 63 and the upper end surface of the abutting portion 331 are arranged in parallel, the first tangent plane 63 and the upper end surface of the fourth connecting seat 32 are arranged at intervals, the push rod 33 moves upwards under the action of the spring at the moment, the first tangent plane 63 is in contact with the abutting portion 331 and used for limiting the moving distance of the push rod 33, the push rod 33 cannot abut against the one-way check valve 231 at the moment, and the outer surface of the switch control rotating shaft 6, close to the limiting surface 66, abuts against the upper end surface of the contact piece limiting block 36 and further limits the contact piece limiting block 36 to move upwards, and the switch control rotating shaft is in the closing state at the moment.

When the switch control rotating shaft 6 rotates to the cold water working position, the second cut surface 64 abuts against the abutting portion 331 of the push rod 33, at this time, the push rod 33 moves downward, and the end 332 of the push rod 33 abuts against the one-way check valve 231, so that the one-way check valve 231 is opened, at this time, the cold water is delivered to the water outlet hole 228 through the water inlet pipe 23, the water inlet connecting cavity 221, the heating cavity 211 and the hot water output cavity 222, and at this time, the water outlet hole 228 outputs the cold water.

And the outer surface of the switch control rotating shaft 6 is abutted against the upper end face of the contact piece limiting piece 36, so that the contact piece limiting piece 36 is limited to move upwards, the switch movable contact piece 371 is not contacted with the switch fixed contact piece 372, and the heating wire 213 does not work at the moment, so that cold water can be output.

When the switch control rotating shaft 6 rotates to the hot water working position, the third cut surface 65 abuts against the abutting part 331 of the push rod 33, at this time, the push rod 33 moves downwards, and the end 332 of the push rod 33 abuts against the one-way check valve 231, so that the one-way check valve 231 is opened.

And the limiting surface 66 of the switch control rotating shaft 6 is arranged corresponding to and spaced from the upper end surface of the contact limiting block 36, and the limiting surface 66 provides a space for the contact limiting block 36 to move upwards.

At this time, cold water enters the water inlet connection chamber 221 and the heating chamber 211 through the water inlet pipe 23, and the cold water in the water inlet connection chamber 221 enters the water storage chamber of the expanded silicone switch 35 through the second communication hole 2263 under the action of water pressure, at this time, the pressure of the water acts on the sealing expansion surface 352 of the expanded silicone switch 35, and at this time, the expanded silicone switch 35 can push the contact stopper 36 to move upward.

The contact stopper 36 moves upwards to drive the switch movable contact 371 to move towards the direction close to the switch fixed contact 372, at this time, the switch movable contact 371 contacts with the switch fixed contact 372, and then the heating wire 213 is started, and the heating wire 213 works to heat the water flowing in the heating cavity 211.

The heated water in the heating chamber 211 enters the hot water output chamber 222, and is discharged through the outlet hole 228, and the outlet hole 228 outputs hot water.

As shown in fig. 1-4, one end of the water outlet elbow 4 close to the housing 1 is movably mounted on the housing 1 through a clamping member 101

The water outlet bent pipe 4 is made of a metal pipe or a plastic pipe, so that the whole structure is more attractive.

As shown in fig. 1-4 and fig. 19, the water delivery electricity-proof wall assembly 5 includes a water delivery pressure-reducing pipe 51, one end of the water delivery pressure-reducing pipe 51 is communicated with the water outlet hole 228, the other end of the water delivery pressure-reducing pipe 51 is connected with a connector 52, and the connector 52 is positioned and installed at the water outlet end of the water outlet elbow 4 through a shaft shoulder.

The water delivery pressure reducing pipe 51 is made of a plastic hose.

The overall length of the water delivery pressure reducing pipe 51 is 197mm-500mm, and the cross section diameter of the water delivery pressure reducing pipe 51 is 6mm.

Design like this, accessible water delivery step-down pipe 51 can reduce the electric energy that heater strip 213 conducted to aquatic, makes power frequency 220V municipal voltage reduce to below the safe voltage of 5V, and then can prevent the electric leakage phenomenon.

In the present embodiment, the voltage and resistance relationship is used to extend the resistance of the water by extending the water passage of the water delivery pressure reducing pipe 51; the device is used on the premise that the total voltage passing through the device is not changed, so that the passing current is reduced, and the electricity-proof function is realized.

One end of the connector 52, which is far away from the water delivery pressure reducing pipe 51, is provided with a bubbler 53, and the bubbler 53 is arranged at the end part of the water outlet bent pipe 4 through a water outlet head.

In this embodiment, the bubbler 53 has resistance, and the resistance acts on the water flow in the water pressure reducing pipe 51, so as to reduce the water flow speed and improve the heating effect in the heating chamber 211.

As shown in fig. 1 to 4, a switch handle 7 is provided on the outside of the housing 1, and the switch handle 7 is connected to a connection shaft 62 of the switch control shaft 6 through a connection groove.

By the design, the switch handle 7 can rotate to drive the switch control rotating shaft 6 to rotate, and then three working positions of the switch control rotating shaft 6 are switched.

A handle base plate 8 is arranged between the shell 1 and the switch handle 7, and the handle base plate 8 is fixedly installed on the shell 1.

Three grooves are formed in the handle backing plate 8 and correspond to a closing working position, a cold water working position and a hot water working position.

Close and install the spring post on the handle 8, close when handle 8 rotates, the spring post switches between three recess, and then reminds the switching of operating personnel work position, facilitates the use.

In this embodiment, the handle backing plate 8 and the spring post are both in the prior art and are not described in detail herein.

The handle 7 is far away from and has been seted up the groove of reducing thinness on the side of shell 1, can conveniently produce handle 7 through the groove of reducing thinness, the gasket is installed to the groove joint of reducing thinness, is used for filling the groove of reducing thinness through the gasket.

A bottom end sealing cover 9 is installed below the shell 1, and the bottom end sealing cover 9 is fixedly connected with the shell 1 through bolts.

The bottom end cover 9 is also used for positioning and installing the electric heating device installed in the shell 1, and is convenient to use.

And a penetrating hole for conveniently penetrating a peripheral power line is formed in the bottom end sealing cover 9, so that the use is convenient.

One end of the grounding bolt 10 close to the water outlet bent pipe 4 is in contact with the outer surface of the water outlet bent pipe 4, and the water outlet bent pipe 4 is a metal pipe.

The grounding bolt 10 is connected with a grounding wire which penetrates out through the through hole.

By the design, the water outlet bent pipe 4 can be grounded through the grounding bolt 10 and the grounding wire, and the safety is further ensured.

Connector 52 is the metalwork, when connector 52 passes through the axle shoulder location and installs the delivery end department at delivery elbow 4, connector 52 and delivery elbow 4 conductive contact.

At this time, the current in the water delivery pressure reducing pipe 51 can be conducted to the water outlet bent pipe 4 through the connector 52, and then the water outlet bent pipe 4 can be grounded through the grounding bolt 10 and the grounding wire, so that the safety is ensured.

In this embodiment, an external thread is provided on the water inlet pipe 23, and the water inlet pipe 23 is connected with the municipal water pipeline through thread matching.

Outside this embodiment, the external screw thread has been seted up on inlet tube 23, inlet tube 23 threaded connection has an external pipe, the upper end and the 9 tops of bottom closing cap that take over externally connect, and then realize fixing a position the installation to bottom closing cap 9.

And the external connecting pipe is a metal pipe, external threads are arranged on the outside of the external connecting pipe, and the external connecting pipe is connected with the municipal water pipeline through thread matching.

Design like this, the accessible is taken over outward and is improved inlet tube 23's overall structure intensity and life to improve inlet tube 23 and municipal water pipeline's joint strength, improve the result of use.

As shown in fig. 1-19, when in use, the water inlet pipe 23 is first connected with the municipal water pipeline through screw thread fit, and then the switch handle 7 is rotated to drive the switch control rotating shaft 6 to rotate, so as to switch the cold water working position, the closed working position and the hot water working position of the switch control rotating shaft 6.

When the switch control rotating shaft 6 rotates to the closed working position, the first tangent plane 63 is arranged in parallel with the upper end surface of the abutting part 331, and the first tangent plane 63 and the upper end surface of the fourth connecting seat 32 are arranged at intervals, at this time, the push rod 33 moves upwards under the action of the spring, and the first tangent plane 63 contacts with the abutting part 331 to limit the moving distance of the push rod 33, at this time, the push rod 33 does not abut against the one-way check valve 231, and the position of the outer surface of the switch control rotating shaft 6, which is close to the limiting surface 66, abuts against the upper end surface of the contact stopper 36 to further limit the contact stopper 36 to move upwards, which is in a closed state.

When the switch-controlled rotating shaft 6 rotates to the cold water working position, the second cutting surface 64 abuts against the abutting portion 331 of the push rod 33, the push rod 33 moves downward, the end portion 332 of the push rod 33 abuts against the one-way check valve 231, the one-way check valve 231 is opened, cold water is delivered to the water outlet hole 228 through the water inlet pipe 23, the water inlet connection cavity 221, the heating cavity 211 and the hot water output cavity 222, and the water outlet hole 228 outputs cold water.

And the outer surface of the switch control rotating shaft 6 is abutted against the upper end surface of the contact limiting piece 36, so that the contact limiting piece 36 is limited to move upwards, the switch movable contact piece 371 is not contacted with the switch fixed contact piece 372, and the heating wire 213 does not work at the moment, so that cold water can be output.

When the switch control rotating shaft 6 rotates to the hot water working position, the third cut surface 65 abuts against the abutting part 331 of the push rod 33, at this time, the push rod 33 moves downwards, and the end 332 of the push rod 33 abuts against the one-way check valve 231, so that the one-way check valve 231 is opened.

And the limiting surface 66 of the switch control rotating shaft 6 is arranged corresponding to and at intervals with the upper end surface of the contact limiting block 36, so that the limiting surface 66 provides space for the contact limiting block 36 to move upwards.

At this time, cold water enters the water inlet connection chamber 221 and the heating chamber 211 through the water inlet pipe 23, and the cold water in the water inlet connection chamber 221 enters the water storage chamber of the expanded silicone switch 35 through the second communication hole 2263 under the action of water pressure, at this time, the pressure of the water acts on the sealing expansion surface 352 of the expanded silicone switch 35, and at this time, the expanded silicone switch 35 can push the contact stopper 36 to move upward.

The contact stopper 36 moves upwards to drive the switch movable contact 371 to move towards the direction close to the switch fixed contact 372, at this time, the switch movable contact 371 contacts with the switch fixed contact 372, and then the heating wire 213 is started, and the heating wire 213 works to heat the water flowing in the heating cavity 211.

The heated water in the heating chamber 211 enters the hot water output chamber 222, and is discharged through the delivery hole 228, and the hot water is output from the delivery hole 228.

For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims (10)

1. An instant heating electric heating faucet, includes shell (1), its characterized in that: the electric heating device is installed in the shell (1) and comprises a heating valve body (2), a control valve body (3) used for controlling water to enter the heating valve body (2) and carrying out heating operation is arranged on the heating valve body (2), a water outlet bent pipe (4) is installed on the shell (1), a water delivery electricity-proof wall component (5) is installed in the water outlet bent pipe (4), and the water inlet end of the water delivery electricity-proof wall component (5) is communicated with the water outlet end of the heating valve body (2).

2. The instant electric heating faucet of claim 1, wherein: the heating valve body (2) comprises a heating cavity main body (21) which is vertically arranged, a water delivery cavity (22) is integrally connected to one side of the heating cavity main body (21) and the position close to the lower end of the heating cavity main body, and a water inlet pipe (23) is integrally connected to the lower part of the water delivery cavity (22); a first blocking cavity (216) is formed in the heating cavity main body (21) and is close to the upper position, and a blocking anti-freezing assembly is installed in the first blocking cavity (216).

3. An instant electric heating faucet as recited in claim 2, wherein: two heating cavities (211) are arranged in the heating cavity main body (21), a partition plate (212) is arranged between the two heating cavities (211), the same heating wire (213) is arranged between the two heating cavities (211), a corner positioning block (214) is arranged at the upper end of the partition plate (212), two ends of the heating wire (213) are respectively and electrically connected with a connecting terminal (215), and the lower end of the connecting terminal (215) penetrates through the heating cavity main body (21) and extends to the outside.

4. An instant electric heating faucet as recited in claim 3, wherein: a water inlet cavity (221) and a hot water output cavity (222) are formed in the water delivery cavity (22), the water inlet cavity (221) and the hot water output cavity (222) are not communicated with each other, and one ends of the water inlet cavity (221) and the hot water output cavity (222) close to the two heating cavities (211) respectively penetrate through the heating cavity body (21) and are communicated with the corresponding heating cavities (211); the position of the water delivery cavity (22) close to the hot water output cavity (222) is provided with a temperature measuring hole (227) and a water outlet hole (228).

5. An instant electric heating faucet as recited in claim 4, wherein: the water inlet pipe (23) is arranged below the water conveying cavity (22), the water inlet pipe (23) is communicated with the water inlet cavity (221), a first connecting seat (225) is integrally installed on the water conveying cavity (22), and a first counter bore (2251) is formed in the first connecting seat (225); the first counter bore (2251) is arranged coaxially with the water inlet pipe (23).

6. An instant electric heating faucet as recited in claim 5, wherein: a second connecting seat (226) is integrally installed on the water delivery cavity (22), a circular sunken groove (2261) is formed in the second connecting seat (226), and an annular bulge (2262) is integrally connected to the inner bottom surface of the circular sunken groove (2261); a second communicating hole (2263) is formed in the middle of the annular protrusion (2262) and on the inner bottom surface of the circular sinking groove (2261), and the second communicating hole (2263) is communicated with the water inlet cavity (221).

7. An instant electric heating faucet as recited in claim 6, wherein: the control valve body (3) comprises a control valve main body (31), a fourth connecting seat (32) is integrally connected to the valve main body (31), a second counter bore (321) is formed in the fourth connecting seat (32), the second counter bore (321) is communicated with the first counter bore (2251), a third connecting seat (34) is integrally connected to the valve main body (31), and the third connecting seat (34) is matched with the circular counter bore (2261); the middle part of the third connecting seat (34) is provided with a mounting through hole (341).

8. An instant electric heating faucet as recited in claim 7, wherein: the control valve main body (31) is provided with a water inlet control component for controlling whether the water inlet pipe (23) enters water or not; a heating switch component for controlling the heating wire (213) to be started or stopped is arranged on the control valve main body (31) at a position close to the mounting through hole (341); the control shaft (6) is installed on the valve making main body (31), the control shaft (6) rotates to be provided with three working positions, and the three working positions are a cold water working position, a closing working position and a hot water working position respectively.

9. An instant electric heating faucet as recited in claim 8, wherein: the water inlet control assembly comprises a push rod (33) arranged in a second counter bore (321), the lower end of the push rod (33) extends into the water inlet pipe (23), a spring is arranged in the second counter bore (321), and the spring is abutted with the push rod (33); a one-way check valve (231) is arranged in the water inlet pipe (23) and is positioned below the push rod (33), the push rod (33) moves downwards to jack the one-way check valve (231) to be opened, and a one-way check valve positioning plug (232) is arranged on the water inlet pipe (23) and is positioned below the one-way check valve (231); the middle part of the one-way check valve positioning plug (232) is provided with a small water inlet hole.

10. An instant electric heating faucet as recited in claim 9, wherein: the water delivery electricity-proof wall component (5) comprises a water delivery pressure reducing pipe (51), one end of the water delivery pressure reducing pipe (51) is communicated with the water outlet hole (228), the other end of the water delivery pressure reducing pipe (51) is connected with a connector (52), and the shaft shoulder of the connector (52) is positioned and installed at the water outlet end of the water outlet bent pipe (4).

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