CN208332691U - Water heater liner component and electric heater - Google Patents

Abstract

The utility model discloses a kind of water heater liner component and electric heater, wherein water heater liner component, comprising: the first liner and the second liner；First liner has opposite facing outside wall surface and inner wall；The part outside wall surface or the part inner wall form the first platform；First platform is equipped with the first opening communicated with second liner；First liner is mutually welded by first platform with second liner.Water heater liner component and electric heater provided by the utility model are conducive to shorten the spacing distance between the first liner and the second liner; so as to improve the enamel effect of the first platform and second liner junction; enhance junction current potential protection; resistance to corrosion is promoted, and reduces the volume of entire liner component.

Description

Water heater liner component and electric heater

Technical field

The utility model relates to hot water apparatus field more particularly to a kind of water heater liner component and electric heaters.

Background technique

Currently, the kind of electric heater and style are more and more on the market, function is also not quite similar.Existing electric heater In, enamel inner container is widely promoted the use of because having many advantages, such as excellent corrosion resistance and long service life.

To reduce enamel inner container diameter, achieve the purpose that reducing electric heater volume and thickness, enamel inner container generally uses Double inner-tube structure designs, two small-diameter circular tubular liners are concatenated.Nowadays, it is common to use one of tandem at two It is docked and connected among small cylindrical shape liner using the connecting tube of two stud forms, is connected and fixed by outside weldings.

There are the following problems for the existing liner connection type using stud docking form:

1, the length at stud position is longer between two liners, be easy to cause enamel it is not in place, lack porcelain, may cause liner The consequences such as corrosion.

2, the length at stud position is longer between two liners, and current potential protects difficulty big.

3, the docking pressure and welding stress generated in stud docking operation, which to dock around stud, is easy to produce fine fisssure Line may cause the consequences such as liner corrosion.

4, welding procedure is complicated, and welding difficulty is larger, low efficiency, higher cost.

Utility model content

In view of the deficiencies in the prior art, the purpose of the utility model is to provide a kind of water heater liner components and electric hot water Device, with solve the problems, such as it is above at least one.

The technical solution of the utility model is as follows:

A kind of water heater liner component, comprising: the first liner and the second liner；

First liner has opposite facing outside wall surface and inner wall；The part outside wall surface or the part inner wall Form the first platform；First platform is equipped with the first opening communicated with second liner；First liner passes through First platform is mutually fixedly connected with second liner.

A kind of water heater liner component, comprising: the first liner and the second liner；

First liner has the first platform with its gallbladder wall integral structure；First platform is equipped with and described the The first opening that two liners communicate；First liner is mutually fixedly connected by first platform with second liner；Institute State the thickness that the first platform is greater than the first liner gallbladder wall along the radial width of the opening.

A kind of water heater liner component, comprising: the first liner and the second liner；

There is interval gap between first liner and second liner；First liner has and its gallbladder wall one First platform of body structure；First platform is equipped with the first opening communicated with second liner；First liner It is mutually fixedly connected by first platform with second liner.

A kind of water heater liner component, comprising: the first liner and the second liner；

First liner has the first platform with its gallbladder wall integral structure；First platform is equipped with and described the The first opening that two liners communicate；First liner is mutually fixedly connected by first platform with second liner；Institute Stating the second liner has the curved surface being mutually fixedly connected with first platform.

Preferably, described to be fixedly connected including welding or riveting.

Preferably, first platform is stamped and formed out by the part gallbladder wall of first liner.

Preferably, the first platform is parallel with the length direction of the first liner.

Preferably, it is spatially located in the gallbladder of first liner back to the side of first platform.

Preferably, the gallbladder wall of part first liner is stamped and formed out the first bulge-structure；First platform is located at institute It states on the first bulge-structure.

Preferably, first bulge-structure is along far from the direction protrusion inside first liner.

Preferably, first bulge-structure is along raised towards the direction inside first liner.

Preferably, first bulge-structure forms described first to contract far from the end inside first liner Platform and first opening.

Preferably, first bulge-structure is tube structure, is formed by flange；First protrusion of tube structure The end face of structure forms first platform.

Preferably, second liner is equipped with the second bulge-structure；Second bulge-structure is equipped with and opens with described first The second opening that mouth communicates；First platform is connected with second bulge-structure.

Preferably, the gallbladder wall of second bulge-structure and second liner is structure as a whole.

Preferably, second bulge-structure is that the part gallbladder wall of second liner is stamped and formed out.

Preferably, second bulge-structure is equipped with second platform parallel with first platform, and described second is flat Platform is connected with first platform.

Preferably, second bulge-structure is to far from the second liner internal direction protrusion.

Preferably, second bulge-structure forms described second to contract far from the end inside second liner Platform and second opening.

Preferably, second platform is equipped with welding bulge loop；First liner and the second liner pass through first platform It is welded with the welding bulge loop of the second platform.

Preferably, second bulge-structure is tube structure, is formed by flange.

Preferably, the top of second bulge-structure is mutually welded with first platform.

Preferably, second bulge-structure is towards the second liner internal protrusion.

Preferably, second bulge-structure of tube structure is sheathed on outside first bulge-structure of tube structure； It mutually welds the end face of first bulge-structure of the side wall and tube structure of second bulge-structure of tube structure.

Preferably, the gallbladder wall of second liner is equipped with the second platform parallel with first platform；Described second is flat Platform is equipped with the second opening communicated with first opening；First platform is connected with second platform.

Preferably, first platform and second platform fit welding.

Preferably, it is connected between first platform and second platform by connection ring；The one of the connection ring End is connected by welding with first platform, and the other end is by being welded to connect second platform.

Preferably, first platform welding has the first connection ring；Second platform welding has the second connection ring；It is described First connection ring is mutually welded with second connection ring.

Preferably, first platform is mutually welded with second bulge-structure by electric resistance welding.

Preferably, first platform and second platform pass through electric resistance welding respectively and are connected with the connection ring.

Preferably, first connection ring is mutually welded by electric resistance welding with first platform；Second connection ring is logical Electric resistance welding is crossed mutually to weld with second platform；First connection ring is connected with second connection ring by electric resistance welding.

Preferably, first platform is connect with second platform by Laser Welding or arc welding.

Preferably, the first opening and the second opening are arranged concentrically.

Preferably, the largest interval distance between first liner and second liner is less than 20mm.

Preferably, third platform is additionally provided on first liner.

Preferably, the gallbladder wall of part first liner forms the third platform.

A kind of electric heater, comprising: as above any water heater liner component.

The utility model has the advantages that

Water heater in the utility model with liner component by being equipped with the first platform of integral structure on the first liner, And directly can mutually be welded with the second liner using the first platform, to be conducive to shorten between the first liner and the second liner Spacing distance reduces the volume of entire liner component, also, the first liner passes through with the second liner in the junction of the first opening Anode stub current potential is protected more preferably.It is convenient in first by shortening docking director's degree between the first liner and the second liner The protection of all or part of enamel is formed at the docking of gallbladder and the second liner, promotes the first liner and the second liner docking location Enamel quality of protection.

It is connect in addition, the first liner may not need when directly mutually being welded with the second liner by the first platform using stud etc. Pipe carries out transition connection, thoroughly eliminates enamel micro-crack brought by stud butt welding, is easy to produce the problems such as corrosion, and nothing Stud need to be set or reduce stud usage quantity, it can be with effectively save cost.Even if the water heater liner in present embodiment When the first platform of utilization of component is connected by stud (connection ring) with the second liner, spiral shell also can be convenient by the first platform Column welding, reduces welding difficulty, while being also beneficial to reduce the spacing distance between the first liner and the second liner.

Referring to following description and accompanying drawings, the particular implementation of the utility model is disclosed in detail, specifies practical Novel principle can be in a manner of adopted.It should be understood that the embodiments of the present invention in range not thus by Limitation.In the range of the spirit and terms of appended claims, the embodiments of the present invention includes many changes, modifications With it is equivalent.

The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.

It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.

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 skilled in the art, without any creative labor, It is also possible to obtain other drawings based on these drawings.

Fig. 1 is water heater liner component structure diagram provided by a kind of embodiment of the utility model；

Fig. 2 is cross-sectional view at the A-A of Fig. 1；

Fig. 3 is the part A enlarged drawing of Fig. 1；

Fig. 4 is water heater liner component structure diagram provided by a kind of embodiment of the utility model；

Fig. 5 is the part B enlarged drawing of Fig. 1；

Fig. 6 is water heater liner component structure diagram provided by a kind of embodiment of the utility model；

Fig. 7 is the C portion enlarged drawing of Fig. 1；

Fig. 8 is water heater liner component structure diagram provided by a kind of embodiment of the utility model；

Fig. 9 is the D magnified partial view of Fig. 1；

Figure 10 is water heater liner component structure diagram provided by a kind of embodiment of the utility model；

Figure 11 is the E magnified partial view of Fig. 1；

Figure 12 is water heater liner component structure diagram provided by a kind of embodiment of the utility model；

Figure 13 is the F magnified partial view of Fig. 1；

Figure 14 is water heater liner component structure diagram provided by a kind of embodiment of the utility model；

Figure 15 is the G magnified partial view of Fig. 1；

Figure 16 is water heater liner component structure diagram provided by a kind of embodiment of the utility model；

Figure 17 is the H magnified partial view of Fig. 1；

Figure 18 is water heater liner component structure diagram provided by a kind of embodiment of the utility model；

Figure 19 is the I magnified partial view of Fig. 1.

Specific embodiment

In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common It is practical new that this all should belong in technical staff's every other embodiment obtained without making creative work The range of type protection.

It should be noted that it can directly on the other element when element is referred to as " being set to " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" packet Include any and all combinations of one or more related listed items.

Fig. 1 is please referred to Figure 19.A kind of water heater liner component is provided in the utility model embodiment, comprising: the One liner 100 and the second liner 200.First liner 100 has the first platform 1 with its gallbladder wall integral structure.Described One platform 1 is equipped with the first opening 10 communicated with second liner 200；First liner 100 is flat by described first Platform 1 is fixedly connected with 200 phase of the second liner.

Wherein, the first platform 1 is formed by the gallbladder wall of the first liner 100, meanwhile, the first platform 1 is provided in described first The connection plane that gallbladder 100 is connected with the second liner 200.It can be convenient with the second platform 2 directly by being equipped with first platform 1 Connection equally facilitates stud to be connected with the first platform 1 when using connection ring 3 (such as stud) connection by the first liner 100 It connects, is easy welding.

Water heater in present embodiment is flat by be equipped with integral structure on the first liner 100 first with liner component Platform 1, and directly (can not repel other connection types, such as riveting with the welding of 200 phase of the second liner using the first platform 1 Connect), to be conducive to shorten the spacing distance between the first liner 100 and the second liner 200, reduce the body of entire liner component Product, also, the first liner 100 and the second liner 200 first be open 10 junction protected by anode stub current potential it is more preferable. It is convenient in the first liner 100 and the second liner by shortening docking director's degree between the first liner 100 and the second liner 200 Whole enamel protections is formed at 200 docking, promotes the enamel protection of the first liner 100 and 200 docking location of the second liner Quality.

In addition, the first liner 100 can be welded directly with 200 phase of the second liner by the first platform 1, and then may not need Transition connection is carried out using connecting tubes such as studs, enamel micro-crack brought by stud butt welding is thoroughly eliminated, is easy to produce corruption The problems such as erosion, and no setting is required stud or stud usage quantity is reduced, it can be with effectively save material cost, and promote welding speed Degree.Even if the first platform 1 of utilization of the water heater liner component in present embodiment passes through in stud (connection ring 3) and second When gallbladder 200 is connected, stud welding also can be convenient by the first platform 1, reduce welding difficulty, improve speed of welding, simultaneously It is also beneficial to reduce the spacing distance between the first liner 100 and the second liner 200.

In one embodiment of the application, first liner 100 has opposite facing outside wall surface 60 and inner wall 50.Portion The outside wall surface 60 or the part inner wall 50 is divided to form the first platform 1.Utilize outer wall face 60 or internal partial wall face 50 Deformation forms first platform 1, is conducive to provide greater area of connection surface (being particularly preferred as one wave woman servant of welding), side Mating operation when just welding reduces welding difficulty.Certainly, the provided welding table of the first platform 1 is provided in the embodiment The width of the width in face, the provided face of weld of the first platform 1 can be identical as weld width, can also be greater than weld width, The present embodiment and with no restriction.

In another embodiment of the application, first platform 1 is greater than described first along the radial width of the opening The thickness of 100 gallbladder wall of liner.First platform 1 is radial parallel with the first opening 10.The radial direction of first opening 10 can be with first The direction of opening 10 is vertical.In the embodiment, the first platform 1 can lead to such as Fig. 1 to Figure 13, Figure 16 into embodiment illustrated in fig. 19 The outer wall face 60 or 50 deformation of internal partial wall face for crossing the first liner 100 are formed, can also be by being located in 60 He of outside wall surface Wall surface of the hole between inner wall 50 is formed, and forms first for example, having between the outside wall surface 60 and inner wall 50 of the first liner 100 The wall surface of the hole of opening 10, by the thickness that the wall surface of the hole compressional deformation is greater than to the 100 gallbladder wall of the first liner at width.

In another embodiment of the application, there is interval between first liner 100 and second liner 200 Gap.In this embodiment, interval gap is spaced apart by the gallbladder body of the first liner 100 and the second liner 200.It should by setting It is spaced gap, the cover cap that can be convenient 200 both sides of the first liner 100 and the second liner is set.

Specifically, the first liner 100 has cylinder and is installed on the lid at both ends, the both ends of cylinder have expansion outer The mounting structure of diameter, is positioned when being fixed in cylinder in order to lid.To adapt to the cover body mounting structure, in described first There is interval gap between gallbladder 100 and second liner 200.In this embodiment, first liner 100 and described second Largest interval distance between liner 200 is less than 20mm.

Certainly, the first liner 100 is not repelled in the other embodiments of the application and the second liner 200 fits, continuously The scheme of septal space.The length of docking location can be reduced to most by the first liner 100 and the second liner 200 by fitting It is small, to facilitate to docking location whole enamel, provide preferable protection.In addition, in the above-described embodiments, the first platform 1 and Two liners 200 are fixedly connected, and in specific embodiment, the first platform 1 can be with the second liner 200 by welding or riveting phase Even.As preferred embodiment, the first platform 1 can be connected by welding with the second liner 200.

In another embodiment of the application, second liner 200 has the song welded with 1 phase of the first platform Face.Can be at a certain angle with shape between first platform 1 and the curved surface mutually welded, for example, the first platform 1 and the second liner 200 Curved surface it is perpendicular (it is of course also possible to non-perpendicular relationship), to carry out arc-welding.The curved surface of second liner 200 can be circular arc Face, to form circular weld seam around the first opening 10 with the first platform 1.

In Figure 14, embodiment shown in figure 15, the first platform 1 is mutually welded with the inner cylinder wall surface on the second liner 200, interior Tube wall surface is arc surface, at this point, the first platform 1 is to have to form the between the outside wall surface 60 and inner wall 50 of the first liner 100 The wall surface of the hole of one opening 10.In embodiment as shown in Figure 6, Figure 7, the second opening 20 of the first platform 1 and the second liner 200 Wall surface of the hole (being referred to as contoured surface) is connected by arc-welding, and the wall surface of the hole cross section profile of the second opening 20 is circle.

In embodiments, the first opening 10 is opened on the gallbladder wall of the second liner 200.Wherein, first 10 are open not Be limited to circle, can also be polygon or irregular shape, the application with no restriction, certainly, for convenient for open up and with The docking of second liner 200, the first opening 10 are preferably circular.To reduce welding difficulty convenient for being connected to each other with the second liner 200, The width of first platform 1 is greater than the width of weld seam.

First platform 1 is centered around around the first opening 10, and the first liner 100 passes through in the first opening 10 and described second Gallbladder 200 communicates.First liner 100 and the second liner 200 can be arranged in parallel with length direction, it is of course also possible to be length direction It is vertically arranged or other forms arrangement, the application is not limited thereto, only need the first liner 100 by being equipped with the first opening 10 The first platform 1 and 200 phase of the second liner weld.

In embodiments, the first platform 1 is structure as a whole with the first liner 100, thus the first liner 100 and first flat No setting is required between platform 1 weld seam reduces weld seam quantity, improves bonding strength.Specifically, first platform 1 passes through described the The part gallbladder wall of one liner 100 is stamped and formed out.

First liner 100 is connected by the first platform 1 with the second liner 200, it is contemplated that the length side of the first liner 100 To setting usually parallel with the length direction of the second liner 200.For convenient for reduce the first liner 100 and the second liner 200 it Between clearance distance, the first platform 1 is parallel with the length direction of the first liner 100.Certainly, the application does not repel the first platform 1 and first liner 100 the not parallel scheme of length direction.

In embodiments, convenient for being welded in gallbladder, to be spatially located in the gallbladder of first liner 100 back to described The side of one platform 1.Specifically, the first platform 1 can be formed for necking radially.In the first liner 100 and the second liner When 200 docking, welding position provided by the first platform 1 can be exposed in gallbladder, consequently facilitating welding in gallbladder, and can subtract Spacing distance between small first liner 100 and the second liner 200.

First platform 1 can outwardly protrude the gallbladder wall of the first liner 100, can also be with the gallbladder of inwardly projecting first liner 100 Wall, in addition, the first platform 1 can also be with the first liner 100 near the arc top flush of the second liner 200.Specifically, part The gallbladder wall of first liner 100 is stamped and formed out the first bulge-structure 11.First platform 1 is located at first bulge-structure On 11.

First bulge-structure 11 is along far from the direction protrusion inside first liner 100.Specifically, can be such as figure 4 to embodiment shown in Figure 13, Figure 16 to Figure 19, and first bulge-structure 11 is far from the end inside first liner 100 Portion forms first platform 1 and first opening 10 to contract.Alternatively, it is also possible to such as Figure 14, reality shown in figure 15 It applies in example, first bulge-structure 11 is tube structure, is formed by flange；First bulge-structure 11 of tube structure End face form first platform 1.

Certainly, first bulge-structure 11 is along raised towards the direction inside first liner 100.Such as Fig. 1 to Fig. 3 Shown in embodiment, first bulge-structure 11 forms institute towards the end inside first liner 100 to contract State the first platform 1 and first opening 10.

In embodiments, the second liner 200 is equipped with the second opening 20 communicated with the first liner 100, in first When gallbladder 100 and the second liner 200 are connected to each other, the first liner 100 and the second liner 200 pass through the first opening 10 and the second opening 20 It is connected.Wherein, the first opening 10 and the second opening 20 only need in the first liner 100 and second in size, shape without limitation When being welded by 1 phase of the first platform, the first opening 10 is connected gallbladder 200 with the second opening 20.For improve enamel and Welding quality, the first opening 10 and the second opening 20 are preferably arranged concentrically.

To weld convenient for the second liner 200 and 100 phase of the first liner, second liner 200 is equipped with the second bulge-structure 21.Second bulge-structure 21 is equipped with the second opening 20 communicated with first opening 10；First platform 1 with it is described Second bulge-structure 21 is connected.

Second bulge-structure 21 can be set on the second liner 200 by way of welding, can also be by the second liner 200 part gallbladder wall is formed.For the spacing distance between the first liner 100 of reduction and the second liner 200, facilitate welding, it is described The gallbladder wall of second bulge-structure 21 and second liner 200 is structure as a whole.Second bulge-structure 21 passes through part described the The gallbladder wall deformation of two liners 200 is formed.Specifically, second bulge-structure 21 is the part gallbladder wall of second liner 200 It can be stamped and formed out.

In the embodiment as shown in Fig. 1 to Fig. 3, Fig. 8 to Figure 13, Figure 16 to Figure 19, second bulge-structure 21 is equipped with Second platform 2 parallel with first platform 1, second platform 2 are connected with first platform 1.Second platform 2 It can be welded in several ways with the first platform 1, such as by laser welding, electric resistance welding or arc-welding, it can be flat according to first Different welding manners is selected under 2 different form of platform 1 and the second platform.

In embodiments, second bulge-structure 21 is to far from 200 internal direction of the second liner protrusion.Its In, if Fig. 8 to Figure 13, Figure 16 is into embodiment illustrated in fig. 19, second bulge-structure 21 is far from second liner 200 The end in portion forms second platform 2 and second opening 20 to contract.Certainly, in other embodiments described second Bulge-structure 21 can also to towards 200 internal direction of the second liner protrusion, such as: in Fig. 1-embodiment shown in Fig. 3, Second bulge-structure 21 is i.e. towards 200 internal direction of the second liner protrusion, and end forms described the to contract Two platforms 2 and the second opening 20.

In the embodiment as shown in Figure 18, Figure 19, second platform 2 is equipped with welding bulge loop 5.First liner, 100 He Second liner 200 is welded to connect by the welding bulge loop 5 of first platform 1 and the second platform 2.Weld bulge loop 5 towards first 1 protrusion of platform.Second platform 2 can be fixedly connected by way of welding bulge loop 5 is using electric resistance welding with the first platform 1, also, First platform 1 has biggish bonding area, can be convenient welding bulge loop 5 and docks.

Second bulge-structure 21 can be tube structure, be formed by flange.At this point, the second bulge-structure 21 can be with The second platform 2 is formed by end face, and is connected with the first platform 1, wherein the first platform 1 can be the outer of the first liner 100 Wall surface 60, the formation of inner wall 50, or be located between outside wall surface 60, inner wall 50 and be used to form the first opening 10 Wall surface of the hole is constituted.

Second bulge-structure 21 can provide the curved surface being connected with the first platform 1.Specifically, the second of tube structure is convex Playing structure 21 can be connected by inner cylinder wall surface or outer cylinder wall surface with cyclic annular first platform 1, at this point, the first platform 1 and cylinder The end face of second bulge-structure 21 of structure is staggered, the inner tube wall of the first platform 1 and the second bulge-structure 21 of tube structure Face or outer cylinder wall surface mutually weld.

In Figure 14, embodiment shown in figure 15, the first bulge-structure 11 is similarly tube structure, the second bulge-structure 21 It is sheathed on outside the first bulge-structure 11,11 end face of the first bulge-structure of tube structure forms the first platform 1, and flat by first Platform 1 is connected with the inner cylinder wall surface of the second bulge-structure 21.In this embodiment, second bulge-structure 21 of tube structure It is sheathed on outside first bulge-structure 11 of tube structure；The side wall and cylinder of second bulge-structure 21 of tube structure It mutually welds the end face of first bulge-structure 11 of structure.Wherein it is possible to be welded in the form of arc-welding.In other realities It applies in example, the first bulge-structure 11 can also be sheathed on outside the second bulge-structure 21, and the outer tube wall with the second bulge-structure 21 It mutually welds in face.

Certainly, do not repel in embodiments herein: (first is flat for the end face of the first bulge-structure 11 of tube structure Platform 1) concordant with end face (the second platform 2) of the second bulge-structure 21 of the tube structure scheme welded, at this point, first is convex It plays structure 11 and the second bulge-structure 21 is mutually arranged and is aligned end face.

Second bulge-structure 21 of tube structure does not limit to and above-described embodiment.In embodiment as shown in Figure 4, Figure 5 In, the top of second bulge-structure 21 can be welded with 1 phase of the first platform.Specifically, the second bulge-structure 21 Top can form cutting-edge structure, weld in the form of through electric resistance welding with 1 phase of the first platform.In turn, in the embodiment Described in the first platform 1 can mutually be welded by electric resistance welding with second bulge-structure 21.

In the application embodiment, second bulge-structure 21 can be towards 200 internal protrusion of the second liner. In Figure 14, embodiment shown in figure 15, the second bulge-structure 21 passes through inner tube wall towards 200 internal protrusion of the second liner It is welded with 1 phase of the first platform in face.Again in embodiment as shown in FIG. 1 to FIG. 3, the second bulge-structure 21 is towards the second liner 200 Internal protrusion, and end forms the second platform 2 to contract, the second platform 2 of the second bulge-structure 21 by connection ring 3 with The welding of first platform, 1 phase.

In the application embodiment, the gallbladder wall of second liner 200 is equipped with and first platform 1 parallel second Platform 2.Second platform 2 is equipped with the second opening 20 communicated with first opening 10；First platform 1 with it is described Second platform 2 is connected.Wherein, the first platform 1 and the second platform 2 can be welded directly, can also be welded indirectly by connector It connects.To shorten the clearance distance between the first liner 100 and the second liner 200, first platform 1 can with it is described second flat Platform 2 fits welding.

In embodiment as shown in Figure 8, Figure 9, the first platform 1 and the parallel fitting of the second platform 2, and the first opening 10 With the wall surface of the hole alignment of the second opening 20, in order to laser welding, and then first platform 1 and described the in this embodiment Two platforms 2 can be connected by laser welding.

In addition, the end necking of the first platform 1 and the first bulge-structure 11 fits as shown in Figure 6, Figure 7 in embodiment, The wall surface of the hole of second opening 20 forms welding circumferential surface, and can be connected with the first platform 1 by arc-welding.Certainly, such as Fig. 8, Fig. 9 Shown in structure, the end of the first bulge-structure 11 can also be formed the second platform 2 and with 1 laser welding of the first platform.

In the embodiment welded indirectly by connector.Pass through company between first platform 1 and second platform 2 Ring 3 is connect to be connected.One end of the connection ring 3 is connected by welding with first platform 1, and the other end passes through welded connecting Second platform 2.In this embodiment, first platform 1 and second platform 2 pass through electric resistance welding and the company respectively Ring 3 is connect to be connected.

As shown in Figure 1 to Figure 3, the first platform 1 and the second platform 2 are parallel, and in the first bulge-structure 11 to first 100 internal protrusion of gallbladder, the second bulge-structure 21 is to 200 internal protrusion of the second liner, the first platform 1 and the second platform 2 and individually 3 both ends of connection ring are fixed in a manner of electric resistance welding.

In embodiment that can also be as shown in Figure 10, Figure 11, the first platform 1 is mutually welded with the second platform 2 by connection ring 3 It connects, meanwhile, the first platform 1 and the second platform 2 are respectively formed with around first the 10, second opening 20 of opening far from respective liner The flange in portion reduces welding difficulty so as to the ring 3 that is located by connecting when welding with connection ring 3.

Referring again to embodiment as shown in Figure 12 and Figure 13.First platform 1 is welded with the first connection ring 31；Described Two platforms 2 are welded with the second connection ring 32；First connection ring 31 is welded with 32 phase of the second connection ring.In the embodiment In, first connection ring 31 is welded by electric resistance welding with 1 phase of the first platform.Second connection ring 32 passes through electric resistance welding It is welded with 2 phase of the second platform.

In this embodiment, first connection ring 31 is connected with second connection ring 32 by electric resistance welding.Wherein, One of first connection ring 31 and the second connection ring 32 are again provided with the welding platform for electric resistance welding.The embodiment during fabrication, can The first connection ring 31 and the second connection ring 32 are first separately connected the first liner 100, the second liner 200, the first connection is retell Ring 31 and the docking of the second connection ring 32.

It 6, Figure 17, first connection ring 31 can also be protected refering to fig. 1 by gas with second connection ring 32 Shield weldering is welded respectively at the first liner 100,200 phase of the second liner, then first connection ring 31 and second connection ring 32 are connected by electric resistance welding.Wherein, one of the first connection ring 31 and the second connection ring 32 are again provided with the welding for electric resistance welding Platform.

In the application other embodiment, third platform is additionally provided on first liner 100.Wherein, third platform For installing the other assemblies on the first liner 100, such as: water inlet pipe, outlet pipe, valve pedestal etc..To reduce weld seam number Amount, improves structural strength, and the gallbladder wall of part first liner 100 forms the third platform.The shape of third platform, knot Structure, and can be with reference to the first platform 1, second in above-mentioned each embodiment, embodiment with the connection type of other assemblies Platform 2, no longer repeats one by one herein.

A kind of electric heater is also provided in the utility model embodiment, comprising: embodiment, any institute of embodiment as above The water heater stated liner component.

It should be noted that the electric heater that present embodiment provides have inlet and outlet pipes part, the installation electric heating The installation section of hydrophone and other parts (such as control section) etc. can select any appropriate existing construction.For clear letter Strategic point illustrates technical solution provided by present embodiment, will no longer repeat herein above-mentioned part, Figure of description Corresponding simplification is carried out.However, it should be understood that therefore present embodiment is not restricted in range.

Herein cited any digital value all include between lower limit value to upper limit value with the lower value of an incremented and The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as Fruit elaborates that the quantity an of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20 To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification 68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1. These are only intended to the example clearly expressed, it is believed that all possibility for the numerical value enumerated between minimum and peak Combination is all expressly set forth in the specification in a similar manner.

Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range " about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to cover that " about 20 to about 30 ", including at least the endpoint indicated.

All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or " comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any Attribute is all optional.

Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component Or step.

It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to appended claims and this The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed A part of utility model theme.

Claims (37)

1. a kind of water heater liner component characterized by comprising the first liner and the second liner；

First liner has opposite facing outside wall surface and inner wall；The part outside wall surface or the part inner wall are formed First platform；First platform is equipped with the first opening communicated with second liner；First liner passes through described First platform is mutually fixedly connected with second liner.

2. a kind of water heater liner component characterized by comprising the first liner and the second liner；

First liner has the first platform with its gallbladder wall integral structure；First platform be equipped with described second in The first opening that gallbladder communicates；First liner is mutually fixedly connected by first platform with second liner；Described One platform is greater than the thickness of the first liner gallbladder wall along the radial width of the opening.

3. a kind of water heater liner component characterized by comprising the first liner and the second liner；

There is interval gap between first liner and second liner；First liner has integrally to be tied with its gallbladder wall First platform of structure；First platform is equipped with the first opening communicated with second liner；First liner passes through First platform is mutually fixedly connected with second liner.

4. a kind of water heater liner component characterized by comprising the first liner and the second liner；

First liner has the first platform with its gallbladder wall integral structure；First platform be equipped with described second in The first opening that gallbladder communicates；First liner is mutually fixedly connected by first platform with second liner；Described Two liners have the curved surface being mutually fixedly connected with first platform.

5. the water heater liner component as described in claim 1-4 is any, it is characterised in that: described to be fixedly connected including welding Or riveting.

6. the water heater liner component as described in claim 1-4 is any, it is characterised in that: first platform passes through described The part gallbladder wall of first liner is stamped and formed out.

7. water heater as claimed in claim 6 liner component, it is characterised in that: the length side of the first platform and the first liner To parallel.

8. water heater as claimed in claim 6 liner component, it is characterised in that: be spatially located in the gallbladder of first liner Back to the side of first platform.

9. water heater as claimed in claim 6 liner component, it is characterised in that: the gallbladder wall punching press of part first liner Form the first bulge-structure；First platform is located on first bulge-structure.

10. water heater as claimed in claim 9 liner component, it is characterised in that: first bulge-structure is along far from institute State the direction protrusion inside the first liner.

11. water heater as claimed in claim 9 liner component, it is characterised in that: first bulge-structure is along towards institute State the direction protrusion inside the first liner.

12. water heater as claimed in claim 9 liner component, it is characterised in that: first bulge-structure is far from described End inside first liner forms first platform and first opening to contract.

13. water heater as claimed in claim 9 liner component, it is characterised in that: first bulge-structure is cylinder knot Structure is formed by flange；The end face of first bulge-structure of tube structure forms first platform.

14. water heater as claimed in claim 9 liner component, it is characterised in that: second liner is equipped with the second protrusion Structure；Second bulge-structure is equipped with the second opening communicated with first opening；First platform and described second Bulge-structure is connected.

15. water heater as claimed in claim 14 liner component, it is characterised in that: second bulge-structure and described the The gallbladder wall of two liners is structure as a whole.

16. water heater as claimed in claim 15 liner component, it is characterised in that: second bulge-structure is described the The part gallbladder wall of two liners is stamped and formed out.

17. water heater as claimed in claim 14 liner component, it is characterised in that: second bulge-structure is equipped with and institute The second parallel platform of the first platform is stated, second platform is connected with first platform.

18. water heater as claimed in claim 17 liner component, it is characterised in that: second bulge-structure is to far from institute State the second liner internal direction protrusion.

19. water heater as claimed in claim 18 liner component, it is characterised in that: second bulge-structure is far from described End inside second liner forms second platform and second opening to contract.

20. water heater as claimed in claim 17 liner component, it is characterised in that: it is convex that second platform is equipped with welding Ring；First liner and the second liner are welded by the welding bulge loop of first platform and the second platform.

21. water heater as claimed in claim 14 liner component, it is characterised in that: second bulge-structure is cylinder knot Structure is formed by flange.

22. water heater as claimed in claim 21 liner component, it is characterised in that: the top of second bulge-structure with First platform mutually welds.

23. water heater as claimed in claim 14 liner component, it is characterised in that: second bulge-structure is described in Second liner internal protrusion.

24. water heater as claimed in claim 23 liner component, it is characterised in that: the second protrusion knot of tube structure Structure is sheathed on outside first bulge-structure of tube structure；The side wall and cylinder knot of second bulge-structure of tube structure It mutually welds the end face of first bulge-structure of structure.

25. water heater a method according to any one of claims 1-3 liner component, it is characterised in that: the gallbladder wall of second liner Equipped with the second platform parallel with first platform；Second platform is equipped with second communicated with first opening and opens Mouthful；First platform is connected with second platform.

26. water heater as claimed in claim 25 liner component, it is characterised in that: first platform and described second flat Platform fits welding.

27. water heater as claimed in claim 25 liner component, it is characterised in that: first platform and described second flat It is connected between platform by connection ring；One end of the connection ring is connected by welding with first platform, and the other end is logical It crosses and is welded to connect second platform.

28. water heater as claimed in claim 25 liner component, it is characterised in that: first platform welding has the first company Connect ring；Second platform welding has the second connection ring；First connection ring is mutually welded with second connection ring.

29. the water heater liner component as described in claim 20 or 22, it is characterised in that: first platform and described the Two bulge-structures are mutually welded by electric resistance welding.

30. water heater as claimed in claim 27 liner component, it is characterised in that: first platform and described second flat Platform passes through electric resistance welding respectively and is connected with the connection ring.

31. water heater as claimed in claim 28 liner component, it is characterised in that: first connection ring passes through electric resistance welding It is mutually welded with first platform；Second connection ring is mutually welded by electric resistance welding with second platform；Described first connects It connects ring and is connected with second connection ring by electric resistance welding.

32. water heater as claimed in claim 26 liner component, it is characterised in that: first platform and described second flat Platform is connected by Laser Welding or arc welding.

33. water heater as claimed in claim 14 liner component, it is characterised in that: the first opening and the second opening are set with one heart It sets.

34. the water heater liner component as described in claim 1-4 is any, it is characterised in that: first liner and described Largest interval distance between second liner is less than 20mm.

35. the water heater liner component as described in claim 1-4 is any, it is characterised in that: also set on first liner There is third platform.

36. water heater as claimed in claim 35 liner component, it is characterised in that: the gallbladder wall shape of part first liner At the third platform.

37. a kind of electric heater characterized by comprising the water heater liner component as described in claim 1-36 is any.