CN207763240U - A kind of electric heater - Google Patents

Abstract

The utility model provides a kind of electric heater, the electric heater is allowed hand over into water and pre-washing function, wherein water inlet component includes water inlet pipe, inlet opening and flushing hole are offered on water inlet pipe, electric heater further includes the isolation cover being arranged in liner at the bottom, and isolation cover is sleeved on outside water inlet pipe, and liner is divided into inhalant region and rinsing area, wherein inlet opening is connected to inhalant region, and flushing hole is connected to rinsing area, and inlet opening or flushing hole is connected in water inlet pipe in a manner of selecting one.The utility model may be used on household appliance technical field, separate liner formation inhalant region and rinsing area by the way that isolation cover is arranged, and the inlet opening being connected to inhalant region and the flushing hole being connected to rinsing area are set on water inlet pipe, the dirt of liner is separated with water inlet, dirt agitation is reduced, keeps the water quality into water flow more preferable；And isolation cover helps to increase rinsing area, can be rinsed to the region of the bigger of liner, flushing effect is more preferably.

Description

A kind of electric heater

Technical field

The utility model is related to household appliance technical field more particularly to a kind of electric heaters.

Background technology

Existing electric heater takes the dirt of liner at the bottom, impurity out of liner generally by dismantling sewage draining exit, with flow, then Liner is rinsed from water inlet water inlet tube.But the method for the flushing liner has as a drawback that：

1, it is limited by water inlet pipe and water blocking cap structure, flow can only wash away liner at the bottom water inlet pipe near zone, cause It rinses insufficient；

2, for flow by water stopping cap structure barrier, impulse force is small, causes dirt, the impurity residual of liner at the bottom；

3, enter the bottom of the water impact liner of liner by water inlet so that the impurity of liner at the bottom is stired and make muddy, liner In water quality condition it is more muddy.

Utility model content

The utility model provides a kind of can expand and rinses the good electric heater of region, flush efficiency.

In order to solve the above technical problems, the utility model adopts the following technical solution：

The embodiments of the present invention provide a kind of electric heater, and the electric heater includes liner and is mounted on liner Upper water assembly, the water inlet component include water inlet pipe, and the water inlet pipe is equipped with inlet opening and flushing hole；

The electric heater further includes isolation cover, and the isolation cover is sleeved on outside the water inlet pipe, all inlet openings and flushing Hole；It states isolation cover and the liner is divided into inhalant region and rinsing area；

The inlet opening is connected to the inhalant region, and the flushing hole is connected to the rinsing area, and the water inlet pipe is to select a side The inlet opening or the flushing hole is connected in formula.

Isolation cover is arranged using in liner at the bottom in electric heater provided in this embodiment, and isolation cover is by the space in liner It is separated to form inhalant region and rinsing area, water inlet pipe is equipped with inlet opening and flushing hole, and inlet opening and flushing hole are respectively at inhalant region It is connected to rinsing area, and water inlet pipe can select one mode and inlet opening or flushing hole is connected, when the conducting of the inlet opening of water inlet pipe, Inlet opening is connected to inhalant region to realize inlet function, and electric heater can work normally at this time；When needing to rinse liner, will intake The flushing hole of pipe is connected, and flushing hole is connected to rinsing area, and water can enter from flushing hole with rinsing area, realize the function of rinsing liner.

The technical solution of the present embodiment, isolation cover can separate inhalant region and rinsing area so that the dirt in liner It is separated with water inlet, reduces dirt agitation when water inlet, keep water quality more preferable；And the setting of isolation cover, help to increase rinsing area, energy Enough to be rinsed to the region of the bigger of liner, flushing effect is more preferably.

Optionally, the isolation cover extends along the length direction of the liner, and the isolation cover in the width direction Section is middle part cambered surface protruding upward.

Isolation cover extends along the length direction of liner, and such isolation cover can draw the flushing water stream entered from flushing hole It leads, so that flushing flow is flowed along the length direction of liner, to rinse the more multizone of liner；Isolation cover is in the width direction Section is the upward convex cambered surface in middle part, when flow below isolation cover into fashionable, the cambered surface of isolation cover can be in width direction On package action is played to flow, make flow more along the length direction of isolation cover flow, in this way when the flow be for rushing When the flushing flow washed, it can be flushed to the more multizone of liner, improve the flushing effect of liner；In addition, the cambered surface can be with The shape that the water blocking cap structure being arc-shaped in the bottom on water inlet pipe top is arranged matches, and is conducive to guiding from isolation cover and gear The route that the flow flowed out at water inlet pipe between water cap is limited along water stopping cap and isolation cover surround water stopping cap surrounding from each side To at the uniform velocity flowing out, when the flow is water inlet flow when electric heater works normally, the flow velocity of flow in all directions is equal, Be conducive to form stable laminar flow in liner, the hot water on liner top is smoothly extruded from outlet component.

Optionally, the liner at the bottom offers sewage draining exit, and one end of the isolation cover extends to and the sewage draining exit phase It is corresponding.

Sewage outfalls setting is conducive to all drain the water in liner in liner at the bottom, so convenient for will rinse flow with Liner is all discharged in dirt；One end of isolation cover extend to it is corresponding with sewage draining exit, when rinse flow from isolation cover top enter When, rinsing after flow rinses out the dirt of the upper surface of isolation cover to be directly discharged from sewage draining exit；When rinsing flow from isolation Lower part is covered into fashionable, and water inlet flow when electric heater works normally enters from isolation cover top, the dirt of isolation cover upper surface After being washed away by water inlet flow, deposit to liner at the bottom, be eventually collected in water inlet flow punching below isolation cover less than position, work as punching Wash water stream below the isolation cover into fashionable, rinse flow it is flushable fall isolation cover below liner on dirt, then from blowdown Mouth discharge.

Optionally, the side far from the sewage draining exit of the isolation cover is equipped with water retaining ribs.

The side of the separate sewage draining exit of isolation cover is equipped with water retaining ribs, which can stop flow, rinses flow It can reversely be rebounded by blocking when bumping against at water retaining ribs, the flow of water retaining ribs position is made because rinsing flow concussion and momentum superposition With, make toward the other side (towards the side of sewage draining exit) flushing impulsive force increase, eroding velocity increase so that rinse flow Flushing effect is good, can rinse out more dirts, then rinses flow and dirt and is discharged together from the sewage draining exit of the other side.Water blocking The setting of muscle improves the flushing effect for rinsing flow, realizes cleaning down liner at the bottom purpose.

Optionally, the isolation cover is installed on the lower part of the liner, the lower end of the isolation cover under the liner The distance between wall surface is 5mm-10mm.

The distance between the lower end of isolation cover and the lower wall surface of liner are 5mm-10mm so that the lower end of isolation cover and liner It does not contact, rubs with liner after avoiding isolation cover from shaking under water impact.

Optionally, the inlet opening is located at the top of the flushing hole, the isolation cover be located at the inlet opening with it is described Between flushing hole；

Alternatively, the flushing hole is located at the top of the inlet opening, the isolation cover is located at the inlet opening and the punching Between hole flushing.

It should be noted that inlet opening described herein and the upper and lower position of flushing hole can arbitrarily replace setting, definition and position Set unrelated, when inlet opening is located above isolation cover, flushing hole is located at isolation cover lower section, the space in liner above isolation cover is Inhalant region so that inlet opening is connected to inhalant region, and the space in liner below isolation cover is rinsing area so that flushing hole and flushing Area is connected to, to realize the function of water inlet above isolation cover, lower section flushing；Conversely, when inlet opening is located at isolation cover lower section, flushing hole When above isolation cover, space in liner below isolation cover is inhalant region, and the space in liner above isolation cover is to rinse Area, to realize the function of water inlet below isolation cover, top flushing.

Optionally, the lower face of the isolation cover is equipped with support column, offers mounting hole on the support column, it is described into Water pipe passes through the mounting hole, under the underlying flushing hole of evacuation is further opened on the side wall of the support column or is located at The avoid holes of the inlet opening of side；

The isolation cover is further opened with through-hole, and the electric heater further includes outlet component, and the outlet component passes through institute State through-hole.

Isolation cover is sleeved on by support column mounting hole on water inlet component, and is sleeved on outlet component by the through-hole on isolation cover On, can isolation cover be subjected to installation positioning, be conducive to the fixation of isolation cover；Offer avoid holes on support column side wall, ensure from The flow that flushing hole or inlet opening below isolation cover enter is unobstructed, optionally, when support column is arranged in through hole, nothing Avoid holes need to be set.

Optionally, the electric heater further includes：

Flush pipe, the flush pipe are equipped with the first intercommunicating pore, and the flush pipe is located in the water inlet pipe；With

Switch assembly, the switch assembly drive the flush pipe or the water inlet pipe, make the flush pipe It can be moved relative to the water inlet pipe, so that the inlet opening is connected to first intercommunicating pore, or make the inlet opening and institute The dislocation of the first intercommunicating pore is stated to be closed.

Flush pipe is equipped in water inlet pipe, and switch assembly can drive flush pipe or water inlet pipe to move, and enable flush pipe It is moved relative to water inlet pipe, when moving into water state, inlet opening is connected to the first intercommunicating pore in flush pipe, in this way from punching Washing the water inlet flow of pipe entrance can be flowed out by the first intercommunicating pore and inlet opening；When moving to flushing state, inlet opening and punching The first intercommunicating pore washed on pipe is misplaced, is closed so that inlet opening can not be connected, at this time the flushing hole conducting on water inlet pipe, from punching Washing the flushing flow of pipe entrance can be flowed out by flushing hole.

Optionally, it is additionally provided with the second intercommunicating pore in the flush pipe；

The switch assembly includes valve seat, spool and fixing nut；

The valve seat is fixed with the liner, and mounting hole is equipped in the valve seat, and the valve seat is equipped with jointing, institute It states and offers intake tunnel in jointing；

The spool is mounted in the mounting hole, is equipped with communicating passage in the spool, and the spool is equipped with the The communicating passage is connected to by tee joint hole, the third connecting hole with the intake tunnel；

The fixing nut connects the spool with the valve seat, and makes the spool that can turn relative to the valve seat It is dynamic；

The spool is connected with the flush pipe, and the communicating passage is connected to the flush pipe, and the spool can It drives the flush pipe to rotate, so that the inlet opening is connected to first intercommunicating pore, or makes the flushing hole and described the Two intercommunicating pores are connected to.

In the present embodiment, rotating switch component can drive flush pipe to rotate, to realize the switching of water inlet and pre-washing function.

Specifically, if inlet opening is located above flushing hole, the first intercommunicating pore that can be connected to inlet opening is located at can be with punching The top of second intercommunicating pore of hole flushing connection, rotation switch assembly make the first intercommunicating pore in flush pipe and water inlet pipe top Inlet opening connection, the flushing hole dislocation below the second intercommunicating pore and water inlet pipe at this time is closed；Flow is from flush pipe stream after water flowing Enter, the first intercommunicating pore through conducting enters inhalant region with inlet opening, and into water state, flow spreads and squeezes from bottom to top The hot water in portion makes hot water be discharged from outlet component；Rotation switch assembly makes the second intercommunicating pore and water inlet pipe in flush pipe The flushing hole of lower section is connected to, and the first intercommunicating pore is closed with the inlet opening dislocation above water inlet pipe at this time, sewage draining exit is opened, after water flowing Water flows through flush pipe, the second intercommunicating pore of conducting and flushing hole and enters rinsing area, into the state of flushing, rinses liner at the bottom dirt And it is discharged from sewage draining exit.

If flushing hole is located above inlet opening, the second intercommunicating pore that can be connected to flushing hole, which is located at, to be connected to inlet opening The first intercommunicating pore top, rotation switch assembly makes the second intercommunicating pore in flush pipe and the flushing hole above water inlet pipe Connection, at this time the inlet opening dislocation below the first intercommunicating pore and water inlet pipe are closed, and open sewage draining exit, and flow is from flush pipe after water flowing It flows into, the second intercommunicating pore through conducting enters rinsing area with flushing hole, into the state of flushing, rinses flow and is discharged from sewage draining exit； Rotation switch assembly makes the first intercommunicating pore in flush pipe be connected to the inlet opening of water inlet pipe lower part, at this time the second intercommunicating pore It misplaces and is closed with the flushing hole above water inlet pipe, flow is flowed into from flush pipe after water flowing, the first intercommunicating pore through conducting and water inlet Hole enters inhalant region, and into water state, flow spreads and squeeze the hot water on top from bottom to top, and hot water is made to be arranged from outlet component Go out.

In switch assembly, valve seat is fixed with liner, and spool is connect by fixing nut with valve seat, is opened to convert It closes in component integral installation to liner；Spool is connect with flush pipe and spool can be rotated relative to valve seat, and such rotational valve core can Flush pipe rotation is driven, so that flush pipe is rotated relative to water inlet pipe, carries out the water inlet of electric heater and the switching of pre-washing function.

Specifically, when normal water inlet, the first intercommunicating pore is connected to inlet opening on water inlet pipe in flush pipe；When flushing, beat Sewage draining exit is opened, Spool rotating certain angle makes the second intercommunicating pore in flush pipe be connected to flushing hole on water inlet pipe, at this point, water flowing is Flushable liner.

Optionally, the switch assembly includes fixing nut, the fixing nut by the flush pipe removably It is connected in the water inlet pipe；

When the water inlet pipe and the flush pipe are fixed, the inlet opening is connected to first intercommunicating pore；When removing When the fixing nut, the flush pipe moves down, and the flushing hole is made to be connected to first intercommunicating pore.

When flush pipe is removably attachable in water inlet pipe using fixing nut, pass through upper and lower pull flush pipe, control The first intercommunicating pore of flush pipe processed on water inlet pipe inlet opening or flushing hole be connected to or misplace closure, intake and rinse work(to realize The switching of energy.When water inlet pipe and flush pipe are fixed, inlet opening is connected to the first intercommunicating pore, into water state；It is solid when removing When determining nut, flush pipe moves down, and flushing hole is made to be connected to the first intercommunicating pore, into the state of flushing.

The technical solution of the utility model has the advantages that compared with prior art：

The electric heater that the embodiments of the present invention provide separates liner formation inhalant region and punching by the way that isolation cover is arranged Area is washed, and the inlet opening being connected to inhalant region and the flushing hole being connected to rinsing area are set on water inlet pipe, by the dirt of liner It is separated with water inlet, reduces dirt agitation, keep the water quality into water flow more preferable；And isolation cover helps to increase rinsing area, it can be right The region of the bigger of liner is rinsed, and flushing effect is more preferably.

Other features and advantages of the utility model will illustrate in the following description, also, partly from specification In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages can pass through Specifically noted structure is realized and is obtained in specification, claims and attached drawing.

Description of the drawings

Attached drawing is used for providing further understanding technical solutions of the utility model, and a part for constitution instruction, With for explaining the technical solution of the utility model, do not constituted to technical solutions of the utility model together with embodiments herein Limitation.

Fig. 1 a and Fig. 1 b are the structural schematic diagram according to the electric heater of the utility model embodiment one, in wherein Fig. 1 a In into water state, flushing state is in Fig. 1 b；

Fig. 2 is the portions the A structure enlargement diagram of electric heater shown in FIG. 1；

Fig. 3 is the portions the B structure enlargement diagram of electric heater shown in FIG. 1；

Fig. 4 is the schematic cross-sectional view of isolation cover in Fig. 1；

Fig. 5 is the dimensional structure diagram of isolation cover shown in Fig. 4；

Fig. 6 is the schematic cross-sectional view of isolation cover shown in Fig. 4；

Fig. 7 is the partial structural diagram of isolation cover and water stopping cap cooperation on water inlet component；

Fig. 8 is the structural schematic diagram of the water inlet pipe of water inlet component shown in Fig. 1；

Fig. 9 is the present invention looks up structural representation of water inlet pipe in Fig. 8；

Figure 10 is the structural schematic diagram of the flush pipe of water inlet component shown in Fig. 1；

Figure 11 is the present invention looks up structural representation of flush pipe in Figure 10；

Figure 12 is the structural schematic diagram of switch assembly shown in Fig. 1；

Figure 13 is the schematic cross-sectional view of switch assembly shown in Figure 12；

Figure 14 is the structural schematic diagram of valve seat in Figure 12；

Figure 15 is the schematic cross-sectional view of valve seat shown in Figure 14；

Figure 16 is the structural schematic diagram of spool in Figure 12；

Figure 17 is the structural schematic diagram according to the electric heater of the utility model embodiment two；

Figure 18 is the portions C structure enlargement diagram when electric heater shown in Figure 17 is in into water state；

Figure 19 is the portions C structure enlargement diagram when electric heater shown in Figure 17 is in flushing state；

Figure 20 a and Figure 20 b are the assembling structure cutaway enlargement diagram of the water inlet component and switch assembly in Figure 17, In into water state in wherein Figure 20 a, flushing state is in Figure 20 b；

Figure 21 a- Figure 21 c are the structural schematic diagram of water inlet pipe, are main structure diagram in wherein Figure 21 a, Figure 21 b are vertical Body structural schematic diagram, Figure 21 c are overlooking structure diagram；

Figure 22 is the structural schematic diagram of flush pipe；

Figure 23 is the schematic cross-sectional view of the flush pipe in Figure 22.

Wherein, the relationship in Fig. 1-Figure 23 between reference numeral and component names is：

1 liner, 2 water inlet components, 21 water inlet pipes, 210 flushing holes, 211 inlet openings, 212 limited posts, 213 heavy platforms, 214 cards Button, 22 flush pipes, 221 first intercommunicating pores, 222 second intercommunicating pores, 223 arc grooves, 224 positioning grooves, 225 flanges, 3 water blocking Cap, 4 isolation covers, 40 through-holes, 41 shims, 42 support columns, 43 water retaining ribs, 5 outlet components, 6 switch assemblies, 61 valve seats, 611 jointings, 612 sealing rings, 62 spools, 621 third connecting holes, 622 positioning protrusion, 623 handles, 63 fixing nuts, 9 Sewage draining exit, 2 ' water inlet components, 21 ' water inlet pipes, 210 ' flushing holes, 211 ' inlet openings, 212 ' limiting slots, 213 ' flanges, 214 ' limits Position buckle, 215 ' limit holes, 22 ' flush pipes, 221 ' first intercommunicating pores, 222 ' flanges, 223 ' limit ribs, 224 ' guide rods, 225 ' Guide rod limiting stand, 226 ' fixing nuts, 6 ' switch assemblies, 61 ' fixing nuts, 62 ' fixing nuts, 63 ' gaskets.

Specific implementation mode

To make the purpose of this utility model, technical solution and advantage be more clearly understood, below in conjunction with attached drawing to this The embodiment of utility model is described in detail.It should be noted that in the absence of conflict, embodiment in the application and Feature in embodiment mutually can be combined arbitrarily.

Embodiment one：

As illustrated in figs. 1A and ib, the embodiments of the present invention provide a kind of electric heater, allow hand over into water and Pre-washing function.Electric heater include liner and be mounted on 1 upper water assembly 2 of liner, wherein water inlet component 2 include water inlet pipe 21.

As shown in figure 8, water inlet pipe 21 is equipped with inlet opening 211 and flushing hole 210.

Further, electric heater further includes the isolation cover 4 being arranged in liner at the bottom, is sleeved on outside water inlet pipe 21, will be interior Courage 1 is divided into inhalant region and rinsing area；Inlet opening 211 is connected to inhalant region, and flushing hole 210 is connected to rinsing area, and water inlet pipe 21 is to select Inlet opening 211 or flushing hole 210 is connected in one mode.

Electric heater provided in this embodiment is used is arranged isolation cover 4 in 1 bottom of liner, and 1 bottom of liner is separated to form Inlet opening 211 or flushing hole 210 is connected in inhalant region and rinsing area (as shown in Figures 2 and 3), water inlet pipe 21 in a manner of selecting one, when When the inlet opening 211 of water inlet pipe 21 is connected, inlet opening 211 is connected to inhalant region and realizes inlet function, and electric heater can be normal at this time Work；When needing to rinse liner 1, the flushing hole 210 of water inlet pipe 21 is connected, flushing hole 210 is connected to rinsing area and realizes flushing Function.

The technical solution of the present embodiment, isolation cover 4 can separate the dirt of 1 bottom of liner with water inlet, reduce dirt and stir It is dynamic, keep water quality more preferable；And the setting of isolation cover 4, help to increase rinsing area, the region of the bigger of liner 1 can be rushed It washes, flushing effect is more preferably.

Optionally, in the present embodiment, inlet opening 211 is located at the top of flushing hole 210, and isolation cover 4 is located at inlet opening 211 Between flushing hole 210.

As shown in Figures 2 and 3, it is interior when inlet opening 211 is located at 4 top of isolation cover, flushing hole 210 is located at 4 lower section of isolation cover The space of 4 top of isolation cover is inhalant region in courage 1 so that inlet opening 211 is connected to inhalant region, 4 lower section of isolation cover in liner 1 Space be rinsing area so that flushing hole 210 is connected to rinsing area.When top inlet opening 211 is connected in water inlet pipe 21, in realization Square inlet function (state as shown in Figure 2), water inlet flow enter from 4 top of isolation cover and are flowed along the upper surface of isolation cover 4, After the dirt of 4 upper surface of isolation cover is washed away by water inlet flow, deposit to 1 bottom of liner, be eventually collected in the lower section of isolation cover 4 into Water flow punching less than position (such as rinsing area)；When lower section flushing hole 210 is connected in water inlet pipe 21, lower section pre-washing function is realized (state as shown in Figure 3) rinse flow and enter from the lower section of isolation cover 4, it is flushable fall 4 lower section of isolation cover be deposited on liner 1 On dirt, then from the sewage draining exit 9 of 1 bottom of liner be discharged.

Optionally, as shown in Fig. 1 a, Fig. 1 b and Fig. 4, isolation cover 4 includes shim 41, length of the shim 41 along liner 1 It spends direction to extend so that the rinsing area for being located at 41 lower section of shim increases, 41 upper surface of shim that flow of intaking in this way is washed out Dirt can deposit and be gathered in rinsing area, reduce the agitation of dirt, keep the water quality into water flow more preferable；In addition, shim The 41 flushing water streams that can enter to flushing hole 210 from below guide, and make length direction stream of the flushing flow along liner 1 It is dynamic, to rinse the more multizone of liner 1, promote flushing effect.

Optionally, the section in the width direction of shim 41 is middle part cambered surface protruding upward.

As shown in Figure 6 and Figure 7, the arc section shape design that shim 41 uses middle part protruding upward, when flushing flow From the lower section of shim 41 into fashionable, the cambered surface of shim 41 wash water stream that can liquidate in the direction of the width plays package action, Flushing flow is set more to be flowed along the length direction of shim 41, so as to the more multizone of liner 1 is flushed to, in improvement The flushing effect of courage；In addition, the cambered surface can with 3 structure of water stopping cap being arc-shaped in the bottom on 2 top of water inlet component is set Shape matches, and is conducive to the route for guiding the water inlet flow flowed out from inlet opening 211 to be limited along water stopping cap 3 and shim 41, It is at the uniform velocity flowed out from all directions around 3 surrounding of water stopping cap, the flow velocity of water inlet flow in all directions is equal, is conducive in liner 1 It is interior to form stable laminar flow, the hot water on 1 top of liner is smoothly extruded from outlet component 5, avoids forming turbulent flow in liner, Hot water effluent's non-uniform temperature caused by making hot and cold water mix.

Further, as illustrated in figs. 1A and ib, one end of shim 41 extends to 9 phase of sewage draining exit with 1 bottom of liner It is corresponding.When electric heater works normally, water inlet flow enters from 41 top of shim, the dirt of 41 upper surface of shim by into After water flow washes away, deposit to 1 bottom of liner, be eventually collected in the punching of the lower section of shim 41 water inlet flow less than rinsing area；When When rinsing liner 1, rinse flow and enter from the lower section of shim 41, rinse flow it is flushable fall 41 lower section of shim liner 1 on Dirt, then from sewage draining exit 9 be discharged.

Optionally, in order to ensure that best flushing effect, the side of the separate sewage draining exit 9 of shim 41 are equipped with water retaining ribs 42, The water retaining ribs 42 wash water stream that can liquidate is stopped that rinsing can reversely be rebounded when flow bumps against at water retaining ribs 42 by blocking, gear The flushing flow of 42 position of water muscle makes because of flow concussion and momentum superposition toward the other side (towards the side of sewage draining exit 9) It rinses impulsive force to increase, eroding velocity increases so that the flushing effect for rinsing flow is good, can rinse out more dirts, so Backlash wash water stream and dirt are discharged from the sewage draining exit of the other side 9 together.The setting of water retaining ribs 42 improves the flushing for rinsing flow Effect realizes 1 bottom purpose of cleaning down liner.

Optionally, isolation cover 4 is installed on the lower part of liner 1, lower end (the i.e. lower end of shim 41 and the water blocking of isolation cover 4 The lower end of muscle 42) with the distance between the lower wall surface of liner 1 it is 5mm-10mm.The lower end of isolation cover 4 is not contacted with liner 1, is kept away Exempt to rub with liner 1 after isolation cover 4 shakes under the impact of water inlet flow or flushing flow.

Optionally, as shown in figure 5, the lower face of shim 41 is equipped with support column 42, installation is offered on support column 42 Hole, water inlet pipe 21 passes through mounting hole, so that isolation cover 4 to be sleeved on water inlet pipe 21.

Further, as shown in figure 5, shim 41 is further opened with through-hole 40, electric heater further includes outlet component 5, water outlet Component 6 passes through through-hole 40, realizes and isolation cover 4 is sleeved on outlet component 5.

Isolation cover 4 is sleeved on water inlet pipe 21 and outlet component 5, can isolation cover 4 be carried out installation positioning, is conducive to isolation cover 4 fixation.

Optionally, as shown in figure 5, being further opened with the avoid holes of evacuation flushing hole on the side wall of support column 42, ensure to rinse Flow is unobstructed, optionally, when support column 42 is arranged at through-hole 40, it is not necessary that avoid holes are arranged.

Optionally, electric heater further includes flush pipe 22 and switch assembly 6.

Wherein, as shown in Figure 10, flush pipe 22 is equipped with the first intercommunicating pore 221 and the second intercommunicating pore 222, flush pipe 22 It is located in water inlet pipe 21；

Switch assembly 6 drives the flush pipe 22 or water inlet pipe 21, and flush pipe 22 is enable to be transported relative to water inlet pipe 21 Dynamic, so that inlet opening 211 is connected to the first intercommunicating pore 221, flushing hole 210 and the dislocation of the second intercommunicating pore 222 are closed, or are made into water Hole 211 and the dislocation of the first intercommunicating pore 221 are closed, and flushing hole 210 is connected to the second intercommunicating pore 222.

Specifically, switch assembly 6 drives flush pipe 22 or water inlet pipe 21 to move, and makes first in flush pipe 22 to be connected to Hole 221 is connected to the inlet opening 211 of 21 top of water inlet pipe, at this time the flushing hole 210 of the second intercommunicating pore 222 and 21 lower section of water inlet pipe Dislocation is closed；Flow of intaking after water flowing is flowed into from flush pipe 22, the first intercommunicating pore 221 through conducting and inlet opening 211 enter into Pool, into water state (state as shown in Figure 2)；Rotation switch assembly 6 moves flush pipe 22 or water inlet pipe 21 moves, So that the second intercommunicating pore 222 in flush pipe 22 and the flushing hole 210 of 21 lower section of water inlet pipe be connected to, at this time the second intercommunicating pore 222 and The dislocation of flushing hole 210 of 21 lower section of water inlet pipe is closed, and opens sewage draining exit 9, water flowing backlash wash water flows through the second intercommunicating pore of conducting 222 with flushing hole 210 enter rinsing area, into rinse state (state as shown in Figure 4), rinse 1 bottom dirt of liner and from Sewage draining exit 9 is discharged.

Specifically, in the present embodiment, as shown in figures 12-16, switch assembly 6 includes valve seat 61,62 and of spool Fixing nut 63.Wherein, Figure 12 and Figure 13 is the assembling structure schematic diagram and its cross-sectional view of switch assembly 6, Figure 14 and Figure 15 is the structural schematic diagram and its cross-sectional view of valve seat 61, and Figure 16 is the structural schematic diagram of spool 62.

Wherein, valve seat 61 is fixed with liner 1, and mounting hole is equipped in valve seat 61, and valve seat 61 is equipped with jointing 611, even Intake tunnel is offered in connector 611；

Spool 62 is mounted in mounting hole, communicating passage is equipped in spool 62, and spool 62 is equipped with third connecting hole 621, communicating passage is connected to by third connecting hole 621 with intake tunnel；

Fixing nut 63 connects spool 62 and valve seat 61, and makes spool 62 that can be rotated relative to valve seat 61；

Spool 62 is connected with flush pipe 22, and communicating passage is connected to the inside of flush pipe 22, and spool 62 can drive punching The rotation of pipe 22 is washed, so that inlet opening 211 is connected to the first intercommunicating pore 221, or flushing hole 210 and the second intercommunicating pore 222 is made to connect It is logical.

Next, the operation principle of switch assembly 6 is specifically described in combination schematic diagram, the switch assembly In 6, valve seat 61 and liner 1 are fixed, and spool 62 is connect by fixing nut 63 with valve seat 61, so as to by switch assembly 6 In integral installation to liner 1；Spool 62 connect with flush pipe 22 and is connected to 22 inside of flush pipe, and spool 62 can be relative to valve seat 61 rotations, rotational valve core 62 can drive flush pipe 22 to rotate, and flush pipe 22 is enable to be rotated relative to water inlet pipe 21, carry out electric hot water The water inlet of device and the switching of pre-washing function.

Specifically, when normal water inlet, rotary spool 62 keeps the first intercommunicating pore 221 and water inlet pipe 21 in flush pipe 22 enterprising Water hole 211 is connected to (state as shown in Figure 2)；When flushing, sewage draining exit 9 is opened, spool 62, which rotates by a certain angle, makes rotation flush pipe Second intercommunicating pore 222 is connected to (state as shown in Figure 3) with flushing hole 210 on water inlet pipe 21 on 22, water flowing, that is, flushable liner 1 Bottom dirt is simultaneously discharged from sewage draining exit 9.

Optionally, one in spool 62 and flush pipe 22, which is equipped with, is used for circumferentially positioned positioning protrusion 622, another It is equipped with and 622 matched positioning groove 224 of positioning protrusion.Specifically, in the present embodiment, as shown in figure 16, spool 62 Upper surface be equipped with two positioning protrusion 622；As shown in figure 12, the lower face of flush pipe 22 is equipped with two positioning grooves 224.It is fixed Position protrusion 622 and the cooperation of positioning groove 224 can make spool 62 and flush pipe 22 circumferentially fixed, and punching is driven when being rotated so as to spool 62 Wash the rotation of pipe 22.

Optionally, as shown in Figure 13 and Figure 16, the lower end of spool 62 is equipped with handle 623, and handle 623 is located at electric heater Except body, will pass through manual operation rotating handle 623, to drive spool 62 to rotate.Third connecting hole 621 ensures spool 62 No matter turn to where, spool 62 is tended to remain on jointing 611.

In order to limit the rotational angle of flush pipe 22, so that inlet opening 211 to be connected to or rinse with the first intercommunicating pore 221 Hole 210 is connected to the second intercommunicating pore 222, and position-limit mechanism is arranged between flush pipe 22 and water inlet pipe 21 and carrys out limiting rotating angle.Tool Body, as shown in Figure 8 and Figure 9, the lower end of water inlet pipe 21 is provided with heavy platform 213, limit is equipped on the lower face of heavy platform 213 Column 212；As shown in Figure 10 and Figure 11, it is equipped with flange 225 on the lower face of flush pipe 22, arc groove is offered on flange 225 223.After flush pipe 22 is sleeved in water inlet pipe 21, flange 225 is assemblied in heavy platform 213, and limited post 212 stretches into arc groove In 223.When flush pipe 22 is rotated relative to water inlet pipe 21, the sliding in arc groove 223 of limited post 212, and work as limited post 212 When offseting with one end of arc groove 223, flush pipe 22 stops operating, and inlet opening 211 is connected to the first intercommunicating pore 221 at this time, punching Hole flushing 210 and the second intercommunicating pore 222 are closed；When flush pipe 22 is rotated backward relative to water inlet pipe 21, limited post 212 is in circular arc It is slided round about in slot 223, and when the other end of limited post 212 and arc groove 223 offsets, flush pipe 22 stops turning Dynamic, flushing hole at this time 210 is connected to the second intercommunicating pore 222, and inlet opening 211 and the first intercommunicating pore 221 are closed；Preferably, heavy platform 213 depth is more than the height of flange 225, and flange 225 is avoided to influence sealing effect higher than heavy platform 213.

Embodiment two：

Present embodiments provide a kind of electric heater, with embodiment one the difference is that：Flush pipe relative into The motion mode of water pipe.

In the present embodiment, flush pipe 22 ' can be relative to moving down by the control of switch assembly 6 ' on water inlet pipe 21 ' It is dynamic, to realize the switching of water inlet and pre-washing function.Specifically, as shown in Figure 20 a and Figure 20 b, water inlet pipe 21 ' passes through fixing nut 61 ' are fixed on the water inlet tap of liner 1, and switch assembly includes fixing nut 62 ', and fixing nut 62 ' can by flush pipe 22 ' It is releasably connected in water inlet pipe 21 ', and fixing nut 61 ' and 62 ' is equipped with gasket 63 ', by water inlet pipe 21 ' and flush pipe 22 ' sealings.

As shown in fig. 21 a, water inlet pipe 21 ' is equipped with inlet opening 211 ' and flushing hole 210 ', and inlet opening 211 ' is located at punching The top of hole flushing 210 '；As shown in Figure 22 and Figure 23, the first intercommunicating pore 221 ' in flush pipe 22 '.

When water inlet pipe 21 ' and flush pipe 22 ' fixed (as illustrated in fig. 20), the first intercommunicating pore in flush pipe 22 ' 221 ' are connected to inlet opening 211 ', realize inlet function (as shown in figure 18)；When removing fixing nut 7 ', flush pipe 22 ' to Lower movement (as shown in fig. 20b), at this time the first intercommunicating pore 221 ' in flush pipe 22 ' be connected to flushing hole 210 ', realize rinse Function (as shown in figure 19).

Further, position-limit mechanism is additionally provided on water inlet pipe 21 ', position-limit mechanism limits moving up and down for flush pipe 22 ' Position, makes flush pipe 22 ' be moved to setting position, so as to the first intercommunicating pore 221 ' in flush pipe 22 ' and inlet opening on water inlet pipe 21 ' 211 ' or flushing hole 210 ' be connected to, carry out water inlet and pre-washing function switching.

Specifically, as shown in Figure 21 a- Figure 23, the position-limit mechanism in the present embodiment includes being located at 21 ' upper surface of water inlet pipe Limit fastener 214 ' and limit hole 215 ', flush pipe 22 ' are equipped with guide rod 224 ' and its guide rod limiting stand 225 ' on top, guide rod 224 ' are inserted into from the limit hole 215 ' of water inlet pipe 21 ', coordinate the 226 ' fixing lock of fixing nut at 22 ' upper end inner surface of flush pipe Tightly, fixing nut 226 ' point is welded in flush pipe 22 '.

When removing fixing nut 62 ', when flush pipe 22 ' moves down, guide rod 224 ' is moved down in 215 ' introversion of limit hole It is dynamic, to be oriented to the movement of flush pipe；It is connected to the first intercommunicating pore 221 ' when flush pipe 22 ' is moved to flushing hole 210 ' When, guide rod limiting stand 225 ' is against 214 ' upper end of limit fastener just, prevents flush pipe 22 ' from continuing to move down, makes flushing hole 210 ' Connected state is kept with the first intercommunicating pore 221 ', uses pre-washing function.

Optionally, position-limit mechanism further includes：The limiting slot 212 ' being located on water inlet pipe 21 ', as shown in fig. 21b；Flush pipe 22 ' are equipped with limit rib 223 ', as shown in figure 22.Limit rib 223 ' in flush pipe 22 ' and the limiting slot on water inlet pipe 21 ' 212 ' cooperation progress are circumferentially fixed, and limit rib 223 ' can be up and down in limiting slot 212 ', and the outer diameter of limit rib 223 ' is answered More than the internal diameter of water inlet pipe 21 ', with ensure flush pipe 22 ' assembly direction (such as circumferential position) it is accurate, make inlet opening 211 ', Flushing hole 210 ' can be connected to the first intercommunicating pore 221 '.

Optionally, the lower end of water inlet pipe 21 ' is equipped with flange 213 ', as shown in fig. 21b；The lower end of flush pipe 22 ' is equipped with convex Edge 222 ', as shown in figure 22.The setting of flange 213 ' and flange 222 ', convenient for water inlet pipe 21 ' and 22 ' compress gasket of flush pipe 63 ', water inlet pipe 21 ' and flush pipe 22 ' are sealed.

Shown in Figure 17-Figure 23, the electric heater of the present embodiment is illustrated.

The water inlet component 2 ' of the present embodiment includes：Water inlet pipe 21 ' and flush pipe 22 ', flush pipe 22 ' are sleeved on water inlet pipe 21 ' It is interior.

Water inlet pipe 21 ' includes：Inlet opening 211 ', flushing hole 210 ', limiting slot 212 ', flange 213 ', limit fastener 214 ', Limit hole 215 '；

Flush pipe 22 ' includes：First intercommunicating pore 221 ', flange 222 ', limit rib 223 ", guide rod 224 ', guide rod limiting stand 225 ', fixing nut 226 '；

Switch assembly 6 ' includes fixing nut 62 ', gasket 63 '.

Flush pipe 22 ' is inserted into 21 ' inside of water inlet pipe, and limiting slot 212 ' is made to coordinate with limit rib 223 '；By guide rod 224 ' are inserted into limit hole 215 ' from top to bottom, and the lower end of guide rod 224 ' is connect with fixing nut 226 ', then with fixed spiral shell Mother 62 ' fixes flush pipe 22 ' and the lower end of water inlet pipe 21 '.

The operation principle of the electric heater of the present embodiment is as follows.

When using inlet function, fixing nut 62 ' fixes flush pipe 22 ' and the lower end of water inlet pipe 21 ', at this time water inlet pipe Inlet opening 211 ' on 21 ' is connected to the first intercommunicating pore 211 ', and flushing hole 210 ' is closed, and water flowing can be realized into water；Use punching When washing function, fixing nut 62 ' is removed, drop-down flush pipe 22 ' drives guide rod 224 ' to be moved down in limit hole 215 ', when leading Bar limiting stand 225 ' moves down when offseting with limit fastener 214 ', and flush pipe 22 ' can not continue to move down, prevent flush pipe 22 ' It is drawn out, the inlet opening 211 ' on water inlet pipe 21 ' is closed at this time, and flushing hole 210 ' is connected to the first intercommunicating pore 211 ', the row of opening Flushing can be realized in dirty mouth 9, water flowing.

It should be noted that, although above-mentioned two embodiment describes some embodiments of the utility model, but originally Utility model is not limited to above-described embodiment, can also there is other realization methods, such as：On water inlet pipe, flushing hole is located at water inlet The top in hole, isolation cover is between inlet opening and flushing hole, i.e. flushing hole is located above isolation cover, and inlet opening is located at isolation cover Lower section, the space in the liner above isolation cover is rinsing area at this time, and the space in liner below isolation cover is inhalant region, with Just inlet opening is connected to respectively at inhalant region with rinsing area with flushing hole, when the flushing hole of water inlet pipe conducting top, realizes top Pre-washing function realizes lower section inlet function when the inlet opening of water inlet pipe conducting lower section；Also for example：Isolation cover is not necessarily located in Between inlet opening and flushing hole, at this point, water inlet pipe is equipped with flushing hole and inlet opening, the upper and lower position of inlet opening and flushing hole can It is arbitrary to be arranged, it is not provided with flush pipe in water inlet pipe, water inlet pipe can move up and down, when water inlet pipe moves up, the water inlet of top Hole or flushing hole are moved to above isolation cover and are connected, and the flushing hole of lower section or inlet opening are isolated the interior of the support column on cover Wall surface seals, and when water inlet pipe moves down, the internal face that the inlet opening of top or flushing hole are isolated the support column on cover is close Envelope, the flushing hole of lower section or inlet opening conducting etc..

Although the embodiment disclosed by the utility model is as above, the content only the utility model for ease of understanding And the embodiment used, it is not limited to the utility model.Technical staff in any the utility model fields, Under the premise of not departing from the spirit and scope disclosed by the utility model, it can be carried out in the form and details of implementation any Modification and variation, but the scope of patent protection of the utility model, the appended claims that must still be subject to are defined.

Claims (10)

1. a kind of electric heater, including liner and water inlet component, which is characterized in that

The water inlet component includes water inlet pipe, and the water inlet pipe is equipped with inlet opening and flushing hole；

The electric heater further includes：

Isolation cover, the isolation cover are sleeved on outside the water inlet pipe, and the liner is divided into inhalant region and flushing by the isolation cover Area；

The inlet opening is connected to the inhalant region, and the flushing hole is connected to the rinsing area, and the water inlet pipe is led in a manner of selecting one Lead to the inlet opening or the flushing hole.

2. electric heater according to claim 1, which is characterized in that

The isolation cover along the liner length direction extend, and the section in the width direction of the isolation cover be middle part to The cambered surface protruded above.

3. electric heater according to claim 2, which is characterized in that

The liner at the bottom offers sewage draining exit, and one end of the isolation cover extends to corresponding with the sewage draining exit.

4. electric heater according to claim 3, which is characterized in that

The side far from the sewage draining exit of the isolation cover is equipped with water retaining ribs.

5. electric heater according to claim 1, which is characterized in that

The isolation cover is installed on the lower part of the liner, between the lower end of the isolation cover and the lower wall surface of the liner away from From for 5mm-10mm.

6. electric heater according to any one of claims 1-5, which is characterized in that

The inlet opening is located at the top of the flushing hole, and the isolation cover is between the inlet opening and the flushing hole；

Alternatively, the flushing hole is located at the top of the inlet opening, the isolation cover is located at the inlet opening and the flushing hole Between.

7. electric heater according to claim 6, which is characterized in that

The lower face of the isolation cover is equipped with support column, and mounting hole is offered on the support column, and the water inlet pipe passes through institute State mounting hole, be further opened on the side wall of the support column the underlying flushing hole of evacuation or it is underlying it is described into The avoid holes in water hole；

The isolation cover is further opened with through-hole, and the electric heater further includes outlet component, and the outlet component passes through described logical Hole.

8. electric heater according to any one of claims 1-5, which is characterized in that the electric heater further includes：

Flush pipe, the flush pipe are equipped with the first intercommunicating pore, and the flush pipe is located in the water inlet pipe；With

Switch assembly, the switch assembly drive the flush pipe or the water inlet pipe, enable the flush pipe phase The water inlet pipe is moved, so that the inlet opening is connected to first intercommunicating pore, or makes the inlet opening and described the The dislocation of one intercommunicating pore is closed.

9. electric heater according to claim 8, which is characterized in that

The second intercommunicating pore is additionally provided in the flush pipe；

The switch assembly includes valve seat, spool and fixing nut；

The valve seat is fixed with the liner, and mounting hole is equipped in the valve seat, and the valve seat is equipped with jointing, the company Intake tunnel is offered in connector；

The spool is mounted in the mounting hole, communicating passage is equipped in the spool, and the spool connects equipped with third Through-hole,

The communicating passage is connected to by the third connecting hole with the intake tunnel；

The fixing nut connects the spool with the valve seat, and makes the spool that can be rotated relative to the valve seat；

The spool is connected with the flush pipe, and the communicating passage is connected to the flush pipe, and the spool can drive The flush pipe rotation, so that the inlet opening is connected to first intercommunicating pore, or makes the flushing hole connect with described second Through-hole is connected to.

10. electric heater according to claim 8, which is characterized in that

The switch assembly includes fixing nut, the fixing nut by the flush pipe be removably attachable to it is described into In water pipe；When the water inlet pipe and the flush pipe are fixed, the inlet opening is connected to first intercommunicating pore；When removing When stating fixing nut, the flush pipe moves down, and the flushing hole is made to be connected to first intercommunicating pore.