CN208381445U - The effluent control device and electric heater of electric heater - Google Patents

Abstract

The utility model discloses the effluent control device and electric heater of a kind of electric heater, wherein, the effluent control device of electric heater includes outlet pipe component, the outlet pipe component includes water outlet connector and outlet pipe, water outlet connector connect to form exhalant canal with outlet pipe, and the outer peripheral surface of water outlet connector is equipped with the connecting hole being connected to exhalant canal；And electromagnetic valve component, it is sealingly mounted at connection hole, on-off of the electromagnetic valve component to control exhalant canal and atmosphere.The effluent control device of the utility model electric heater on outlet pipe component by being arranged on-off of the electromagnetic valve component to control exhalant canal and atmosphere, so, outlet pipe component and electromagnetic valve component form integrated structure, the socket node of pipeline is few, is serially connected on outlet pipe it is not necessary that intake valve is additionally arranged, i.e., reliability that is convenient for assembly and can guarantee connection, when blowdown, exhalant canal can be made to be communicated with the atmosphere, so that water outlet is more smooth, realize rapid pollution discharging.

Description

The effluent control device and electric heater of electric heater

Technical field

The utility model relates to electric heater technical field, in particular to the effluent control device and electricity of a kind of electric heater Water heater.

Background technique

Currently on the market mostly based on storage-type electric water heater, in the use process of storage-type electric water heater, in Gallbladder is chronically at water-filled state.Due to the difference of various regions water quality, it is easy to sink inside the liner of the storage-type electric water heater Shallow lake dirt, not only influences water quality, also affects the thermal efficiency of internal heating element.Therefore, which is using Need timing that the sewage in its liner is discharged and is cleaned in the process, when cleaning needs to close water inlet, and sewage can be It being discharged under the action of gravity by outlet pipe, due to there is no air entrance, it may appear that water stops the phenomenon that air inlet for a moment for a moment, so that Draining has some setbacks very much, and the water in the liner of electric heater is also difficult to be completely exhausted out.In the prior art, usually by intake valve It is mounted on the top of liner, since the position of intake valve is too high, so that it is very inconvenient to operate.

Utility model content

The main purpose of the utility model is the effluent control device for proposing a kind of electric heater, it is intended to solve electric heater Inlet duct operating difficulties and the low technical problem of connection reliability.

To achieve the above object, the utility model proposes electric heater effluent control device, including outlet pipe component, Including water outlet connector and outlet pipe, the water outlet connector connect to form exhalant canal with outlet pipe, the periphery of the water outlet connector Face is equipped with the connecting hole being connected to the exhalant canal；And electromagnetic valve component, it is sealingly mounted at the connection hole, the electricity On-off of the electromagnetic valve component to control the exhalant canal and atmosphere.

Preferably, the utility model proposes the effluent control device of electric heater further include connecting tube, the solenoid valve Component includes valve body, and the valve body has the valve chamber communicated with atmosphere, wherein one end sealing of the connecting tube is embedded in described Connecting hole, the other end are sealedly attached to the valve body, and the lumen of the connecting tube is connected to the valve chamber.

Preferably, the outer peripheral surface of the valve body offers the fixation hole being connected with the valve chamber, the connection seal of tube It is embedded in the fixation hole.

Preferably, the electromagnetic valve component further includes core assembly and electromagnet, and the valve outer surface offers and institute The inlet channel that valve chamber communicates is stated, the electromagnet is to drive the core assembly to open or close the inlet channel.

Preferably, the core assembly includes the first gasket, mandril and elastic component, and first gasket is set to described One end for leaning against the nearly inlet channel of mandril, when the electromagnet powers on, driving of the mandril in the electromagnet Lower that first gasket is driven to open the inlet channel, when the electromagnet removes electricity, the elastic component is described to make Mandril resets and first gasket seals the inlet channel.

Preferably, the end face that first gasket connects with the mandril offers the first mounting groove, and the mandril is close Envelope is embedded in first mounting groove.

Preferably, the inlet channel is provided with an end face of the valve body, the valve body further include be set to it is described into The annular convex shoulder of the junction of gas vias inner walls face and the valve chamber inner wall, the annular convex shoulder along the inlet channel into Gas direction extends, and first gasket is greater than the section face of the annular convex shoulder towards the face area of the inlet channel Product, first gasket are abutted with the end face of the annular convex shoulder to seal the inlet channel.

Preferably, the valve body end face opposite with the entrance of the inlet channel opens up fluted, the groove and institute Inlet channel connection is stated, the electromagnet is sealedly attached to the end face that the valve body is provided with the groove, and the mandril is placed in institute It states in electromagnet and the end face that the valve chamber seals the annular convex shoulder is protruded by the groove.

Preferably, the central axis of the connecting tube and the exhalant canal central axis upright；The inlet channel The central axis upright of central axis and the connecting tube.

The utility model also proposes that a kind of electric heater, including effluent control device, electric heater go out water management dress It sets including outlet pipe component, including water outlet connector and outlet pipe, the water outlet connector connect to form exhalant canal with outlet pipe, institute The outer peripheral surface for stating water outlet connector is equipped with the connecting hole being connected to the exhalant canal；And electromagnetic valve component, it is sealingly mounted at institute State connection hole, on-off of the electromagnetic valve component to control the exhalant canal and atmosphere.

The effluent control device of the utility model electric heater by outlet pipe component be arranged electromagnetic valve component to The on-off of exhalant canal and atmosphere is controlled, in this way, outlet pipe component and electromagnetic valve component form integrated structure, the socket of pipeline Node is few, is serially connected on outlet pipe it is not necessary that intake valve is additionally arranged, reliability that is not only convenient for assembly but also can guarantee connection, while It avoids the setting intake valve at the top of liner and causes inconvenient problem.When blowdown, electromagnetic valve component is opened, so that Atmosphere enters exhalant canal, and then enters the liner of electric heater, so that water outlet is more smooth, realizes rapid pollution discharging.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of effluent control device of the utility model electric heater；

Fig. 2 is the partial enlarged view in Fig. 1 at A.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of effluent control devices of electric heater.

In the utility model embodiment, as shown in Figures 1 and 2, the effluent control device of the electric heater includes water outlet Tube assembly 1, including water outlet connector 11 and outlet pipe 12, water outlet connector 11 connect to form exhalant canal 13 with outlet pipe 12, water outlet The outer peripheral surface of connector 11 is equipped with the connecting hole 111 being connected to exhalant canal 13；And electromagnetic valve component 2, it is sealingly mounted at connection At hole 111, on-off of the electromagnetic valve component 2 to control exhalant canal 13 Yu atmosphere.

In the present embodiment, it is to be understood that the water outlet on 11 one end of water outlet connector and inner container of electric water heater seals This one end of water outlet connector 11 is stretched out in one end of docking, outlet pipe 12, to protrude into liner, water flow is from outlet pipe 12 by being discharged It flows out in channel 13；The other end of water outlet connector 11 is connect with outlet pipeline.It is understood that exhalant canal 13 can completely by The inner cavity of outlet pipe 12 is constituted, and can also be made of with one section the inner cavity of outlet pipe 12, another section then by the inner cavity of water outlet connector 11 It constitutes.In one embodiment, water outlet connector 11 offers the spliced eye 112 for penetrating through its both ends, and outlet pipe 12 is from water outlet connector 11 One end be inserted in spliced eye 112 and extend to the other end of water outlet connector 11, i.e., outlet pipe 12 run through entire water outlet connector 11 And the end face of water outlet connector 11 is stretched out, in this way, a connector and water outlet need not in addition be arranged in the end face of water outlet connector 11 Pipeline connects, and simplifies the structure of whole device.

It is understood that electromagnetic valve component 2 can be set protrusion or directly seal interlocking connection with connecting hole 111, It can also be attached by connector, in order to guarantee that atmosphere is connected to exhalant canal 13, outlet pipe 12 is corresponding with connecting hole 111 Position offer via hole 121, when water outlet connector 11 is connected with electromagnetic valve component 2 or connector, electromagnetic valve component 2 or Connector is abutted to 121 outer peripheral surface of via hole, and such outlet pipe 12 can also play the role of positioning.

Direct-acting electromagnetic valve or guide electromagnetic valve etc. can be used in electromagnetic valve component 2, as long as can be by automatically controlled Mode automatic switching on or partition atmosphere and exhalant canal 13.In order to realize sealing, electromagnetic valve component 2 and connecting hole 111 Connection can be to be threadedly coupled or by interference fit connection.By the way that electromagnetic valve component 2 is arranged on outlet pipe component 1, The on-off of automatic control exhalant canal 13 and atmosphere may be implemented.Under normality, 2 no power of electromagnetic valve component, solenoid valve is in normal Closed state, water flow by exhalant canal 13 flow out water heater, can prevent water flow from flowing out from electromagnetic valve component 2, when occur into When water pipe is closed, when such as cutting off the water or need blowdown, especially when blowdown, electromagnetic valve component 2 is powered, Electromagnetic valve component 2 works, and passes air through electromagnetic valve component 2 and enters exhalant canal 13, and travel further into liner, so that interior The opposite increase of pressure in gallbladder, to realize rapid pollution discharging.

Further, the effluent control device of the utility model electric heater further includes connecting tube 3, and electromagnetic valve component 2 wraps Valve body 21 is included, the valve body 21 has the valve chamber 211 communicated with atmosphere, wherein one end sealing of connecting tube 3 is embedded in connecting hole 111, the other end is sealedly attached to the valve body 21, and the lumen of the connecting tube 3 is connected to the valve chamber 211.

In the present embodiment, without limitation, the shape in section can be square the shape of valve chamber 211, rectangle or Person's circle etc., valve chamber 211 can also be communicated in a manner of open at one end with extraneous atmosphere aperture.The one of connecting tube 3 End can be bonded in connecting hole 111 in by interference interlocking, screw thread interlocking or by glue, only need the end of connecting tube 3 with The sealing interlocking of connecting hole 111.Preferably, the end face at the end of connecting tube 3 abuts 121 outer peripheral surface of via hole of outlet pipe 12, Such outlet pipe 12 can also play the role of the pipe 3 that is located by connecting.The other end of connecting tube 3 can be matched with valve body 21 by interference Connection is closed or be threadedly engaged, the lumen of protrusion sealing insertion connecting tube 3 can be set on valve body 21, it can also be in valve body 21 The connection seal of tube is directly embedded in valve body 21 by outer surface aperture.

Further, the outer peripheral surface of valve body 21 offers the fixation hole 212 being connected with valve chamber 211, and connecting tube 3 seals embedding It is connected to fixation hole 212.

In the present embodiment, connecting tube 3 can be bonded in fixation hole 212 by interference interlocking, glue, in this way, can be to prevent Sealing stream is revealed from the junction of connecting tube 3 and valve body 21.When electromagnetic valve component 2 controls the connection of exhalant canal 13 and atmosphere, Atmosphere enters valve chamber 211 by the external world, then enters exhalant canal 13 by connecting tube 3.In one embodiment, the one of connecting tube 3 Outer peripheral surface is held to be equipped with external screw thread, 212 inner wall of fixation hole is equipped with internal screw thread, and connecting tube 3 is equipped with the externally threaded end and fixation 212 screw thread tight fit connection of hole；It uses more economical while being threaded in satisfaction connection and seal request and to install It is more convenient.

Further, electromagnetic valve component 2 further includes core assembly 22 and electromagnet 23, and 21 outer surface of valve body offers and valve The inlet channel 213 that chamber 211 communicates, electromagnet 23 is to drive core assembly 2 to open or close inlet channel 213.

In the present embodiment, the shape of inlet channel 213 be through state or bending-like or indentation all can, air inlet is logical The cross sectional shape in road 213 can be round or polygon, it is not limited here, it is only necessary to the inlet channel 213 and valve chamber 211 Connection, the preferably cross sectional shape of inlet channel 213 are circle.By electromagnet 23 drive core assembly 22 open or Close inlet channel 213, so that it may so that atmosphere enters exhalant canal 13 or atmosphere is prevented to enter exhalant canal 13.Work as electromagnetism Iron 23 removes electricity, and since the flow velocity of 13 water flow of exhalant canal is fast, thus the pressure of its water flow is less than atmospheric pressure, so that Atmosphere enters exhalant canal 13 by inlet channel 213, and then enters the liner of electric heater, so that draining is more smooth.

Further, core assembly 22 includes the first gasket 221, mandril 222 and elastic component 223, the first gasket 221 Set on one end of the close inlet channel 213 of mandril 222, when electromagnet 23 powers on, mandril 222 is under the driving of electromagnet 23 Drive the first gasket 221 open inlet channel 213, when electromagnet 23 removes electricity, elastic component to make mandril 222 reset and First gasket 221 seals inlet channel 213.

In the present embodiment, the sectional area of the first gasket 221 can be greater than the sectional area of inlet channel 213 to cover The port of inlet channel 213, it is also possible that the section of the first gasket 221 is adapted with the section of inlet channel 213, even if The edge for obtaining the first gasket 221 abuts 213 inner wall of inlet channel, and sealing inlet channel 213 is to prevent atmosphere from entering water outlet Channel 13.First gasket 221 can be wholely set with mandril 222 to need to meet rigid want with split settings, mandril 222 It asks, and the first gasket 221 needs to meet sealing demand, generallys use soft material such as rubber material or silica gel, therefore mandril 222 is generally different from the material of the first gasket 221.In this way, preferably being set using the first gasket 221 is seperated with mandril 222 It sets.First gasket 221 can be by being threadedly engaged or by interference fit connection with being connected for mandril 222.Electromagnet 23 When energization, electromagnet 23 is attracted, and mandril 222 drives the first gasket 221 is mobile simultaneously to open inlet channel 213 so that atmosphere according to It is secondary by inlet channel 213, valve chamber 211, connecting tube 3 lumen, finally enter exhalant canal 13；Elastic component 223 is preferably Compressed spring, when electromagnet 23 removes electricity, compressed spring resets mandril 222, drives the first gasket 221 to close air inlet logical Road 213, so that atmosphere be blocked to enter exhalant canal 13.

Further, the end face that the first gasket 221 connects with mandril 222 offers the first mounting groove 300, mandril 222 Sealing is embedded in the first mounting groove 300.

In the present embodiment, opening up the first mounting groove 300 makes mandril 222 and the connection of the first gasket 221 more square Just and fast.Specifically, the position outer peripheral surface that mandril 222 is embedded in the first mounting groove 300 offers the limiting slot 400 of annular, The position of the corresponding limiting slot 400 of first mounting groove 300 is convexly equipped with limiting section 310, in this way, mandril 222 is made to be connected to the first peace In tankage 300, it can prevent mandril 222 from causing to be detached from since pulling force is excessive with the first gasket 221.Preferably, first The wall surface of mounting groove 300 opens up cavity, in this way, the first gasket 221 seals inlet channel 213 when electromagnet 23 removes electricity Deformation it is more abundant so that the sealing effect of the first gasket 221 is more preferable.

Further, inlet channel 213 is provided with an end face of valve body 21, and valve body 21 further includes being set to inlet channel The annular convex shoulder 215 of the junction of 213 inner walls and 211 inner wall of valve chamber, air inlet of the annular convex shoulder 215 along inlet channel 213 Direction extend, the first gasket 221 towards inlet channel 213 face area be greater than annular convex shoulder 215 area of section, first Gasket 221 is abutted with the end face of annular convex shoulder 215 to seal inlet channel 213.

In the present embodiment, when closing inlet channel 213, as long as the first gasket 221 abuts the end of annular convex shoulder 215 Face, so that the contact area of the first gasket 221 and valve body 21 is smaller.Specifically, the periphery of annular convex shoulder 215 is formed For the avoiding space of the first gasket 221 deformation, the position recess that the first gasket 221 is contacted with annular convex shoulder 215 is deeper, such as This can more structurally sound closing inlet channel 213.When opening inlet channel 213, because of the first gasket 221 and convex annular The end face of shoulder 215 contacts, and contact area is small, smaller forming vacuum suction and generating resistance between the two, thus first Gasket 221 is able to more separate with the end face of annular convex shoulder 215 easily, leads to realize and quickly and reliably open air inlet Road 213.

Further, the end face opposite with the entrance of inlet channel 213 of valve body 21 opens up fluted 214, groove 214 with into Gas channel 213 is connected to, and electromagnet 23 is sealedly attached to the end face that valve body 21 is provided with groove 214, and mandril 22 is placed in electromagnet 23 And the end face that valve chamber 211 abuts annular convex shoulder 215 is protruded by groove 214.

In the present embodiment, it is to be understood that electromagnet 23 has the accommodating space for accommodating mandril 222, and mandril 222 is set In the accommodating space, so that the end face of mandril 222 and the end face of annular convex shoulder 215 are oppositely arranged.When electromagnet 23 removes electricity, top Bar 222 protrudes into the end face that valve chamber 211 abuts annular convex shoulder 215 by groove 214, in this way, the more convenient touching of the first gasket 221 And the end face of annular convex shoulder 215, to be easier to closing inlet channel 213.Preferably, the central axis of mandril 222 and air inlet are logical The central axis in road 213 is overlapped, in this way, making being more uniformly stressed for the first gasket 221, sealing effect is more preferable.

In one embodiment, electromagnetic valve component 2 further includes gland 24, and gland 24 includes cover board 241, from 241 edge of cover board Deviate from the air inlet side of inlet channel 213 along the guide cylinder 242 of the airintake direction extension of inlet channel 213 and from 241 edge of cover board To the annular flange 243 of extension；Specifically, the area of section of groove 214 is greater than the section face of inlet channel 213 and valve chamber 211 Product, and groove 214 and valve chamber 211 are formed with the step surface 100 in the same direction with the airintake direction of inlet channel 213.

Step surface 100 offers the second mounting groove 200 of annular, and core assembly 22 further includes the second gasket 224, and second The edge seal of gasket 224 is embedded in the second mounting groove 200, and annular flange 243 is embedded in the second mounting groove 200 and compresses Second gasket 224；Mandril 222 up and down can be installed on guide cylinder 242.

Specifically, in closing setting, guide cylinder 242 includes stack shell and closing cylinder for the one end of guide cylinder 242 far from cover board 241 The bottom wall of body one end, elastic component 223 are set between bottom wall and mandril 222；Bottom wall is equipped with guide post 500, and elastic component 223 is arranged In guide post 500.This end of setting closed at one end by guide cylinder 242 far from cover board 241, guide cylinder 242 just will form bottom wall, So, it will be able to guide post 500 be set on bottom wall, and then elastic component 223 is sheathed on guide post 500, so that elastic component 223 It is in guide cylinder 242 simultaneously with mandril 222, facilitates elastic component 223 that mandril 222 is driven to reset.

In the present embodiment, it can prevent atmosphere from passing through in groove 214 using 224 sealing gland 24 of the second gasket The joint face of annular flange 243 and 214 wall surface of groove is revealed, simultaneously because the guiding role of guide cylinder 242, so that mandril 222 movement is more accurate；Interval between 241 downside of cover board and the end face of annular convex shoulder 215 is greater than the first gasket 221 Thickness, with formed the first gasket 221 it is mobile when required space.In this way, electromagnet 23 is attracted when electromagnet 23 is powered So that mandril 222 drives the first gasket 221 to move along the airintake direction of inlet channel 213, it is moved to the first sealing always Pad 221 abuts the position of the downside of cover board 241, so that inlet channel 213 is opened, so that atmosphere is sequentially entered from inlet channel Valve chamber 211,3 lumen of connecting tube, exhalant canal 13, finally enter the liner of water heater.

Further, 13 central axis upright of central axis Yu the exhalant canal setting of connecting tube 3；Inlet channel 213 Central axis and the central axis upright of connecting tube 3 are arranged.

In the present embodiment, 13 central axis upright of central axis Yu the exhalant canal setting of connecting tube 3 can be one Determine reduction water flow in degree and enter connecting tube 3, while making processing technology simple but also connecting tube 3 is installed to water outlet connector 11 It is upper more convenient.The central axis of inlet channel 213 and the central axis upright of connecting tube 3 are arranged simultaneously, in this way, solenoid valve Component 2 and the central axis of outlet pipe component 1 are set in parallel, and electromagnetic valve component 2 and connecting tube 3 are preferably abutted setting, It so can not only shorten the length of connecting tube 3, but also the structure of entire effluent control device is more compact.In order to enable going out More convenient and whole structure is more unified when water controller is installed on water heater, the end face of electromagnet 23 with The end face of water outlet connector 11 is concordant.

The utility model also proposes a kind of electric heater, which includes effluent control device, the electric heater The specific structure of effluent control device is referring to above-described embodiment, since this electric heater uses the whole of above-mentioned all embodiments Technical solution, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, no longer go to live in the household of one's in-laws on getting married one by one herein It states.

In the present embodiment, the effluent control device is connected with the apopore on inner container of electric water heater, passes through control Water is flowed out from electromagnetic valve component 2 when the closing of inlet channel 213 can prevent from just commonly using water；By controlling inlet channel 213 unlatching can make air enter exhalant canal, enter liner later, so that electric heater goes out when blowdown Water is more smooth, realizes rapid pollution discharging.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of effluent control device of electric heater characterized by comprising

Outlet pipe component, including water outlet connector and outlet pipe, the water outlet connector connect to form exhalant canal with outlet pipe, described The outer peripheral surface of water outlet connector is equipped with the connecting hole being connected to the exhalant canal；And

Electromagnetic valve component, is sealingly mounted at the connection hole, and the electromagnetic valve component is to control the exhalant canal and big The on-off of gas.

2. the effluent control device of electric heater as described in claim 1, which is characterized in that it further include connecting tube, the electricity Electromagnetic valve component includes valve body, and the valve body has the valve chamber communicated with atmosphere, wherein

One end sealing of the connecting tube is embedded in the connecting hole, and the other end is sealedly attached to the valve body, the connecting tube Lumen be connected to the valve chamber.

3. the effluent control device of electric heater as claimed in claim 2, which is characterized in that the outer peripheral surface of the valve body opens up There is the fixation hole being connected with the valve chamber, the connection seal of tube is embedded in the fixation hole.

4. the effluent control device of electric heater as claimed in claim 2 or claim 3, which is characterized in that the electromagnetic valve component is also Including core assembly and electromagnet, the valve outer surface offers the inlet channel communicated with the valve chamber, the electromagnet To drive the core assembly to open or close the inlet channel.

5. the effluent control device of electric heater as claimed in claim 4, which is characterized in that the core assembly includes first Gasket, mandril and elastic component, first gasket is set to one end close to the inlet channel of the mandril, described When electromagnet powers on, the mandril drives first gasket to open the inlet channel under the driving of the electromagnet, When the electromagnet removes electricity, to make, the mandril resets the elastic component and first gasket seals the air inlet Channel.

6. the effluent control device of electric heater as claimed in claim 5, which is characterized in that first gasket with it is described The end face that mandril connects offers the first mounting groove, and the mandril sealing is embedded in first mounting groove.

7. the effluent control device of electric heater as claimed in claim 5, which is characterized in that the inlet channel is provided with institute An end face of valve body is stated, the valve body further includes set on the junction of the inlet channel inner wall and the valve chamber inner wall Annular convex shoulder, the annular convex shoulder extends along the airintake direction of the inlet channel, first gasket towards it is described into The face area in gas channel is greater than the area of section of the annular convex shoulder, the end face of first gasket and the annular convex shoulder It abuts to seal the inlet channel.

8. the effluent control device of electric heater as claimed in claim 7, which is characterized in that the valve body and the air inlet are logical The opposite end face of the entrance in road opens up fluted, and the groove is connected to the inlet channel, and the electromagnet is sealedly attached to The valve body is provided with the end face of the groove, and the mandril is placed in the electromagnet and protrudes into the valve chamber by the groove Abut the end face of the annular convex shoulder.

9. the effluent control device of electric heater as claimed in claim 4, which is characterized in that the central axis of the connecting tube It is arranged with the exhalant canal central axis upright；The central axis of the inlet channel and the central axis of the connecting tube hang down Straight setting.

10. a kind of electric heater, which is characterized in that go out water control including such as described in any item electric heaters of claim 1-9 Device processed.