CN203810726U - Double-interlayer water heater liner - Google Patents

Double-interlayer water heater liner Download PDF

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Publication number
CN203810726U
CN203810726U CN201420101587.0U CN201420101587U CN203810726U CN 203810726 U CN203810726 U CN 203810726U CN 201420101587 U CN201420101587 U CN 201420101587U CN 203810726 U CN203810726 U CN 203810726U
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CN
China
Prior art keywords
pilot hole
sides
circular arc
external surface
chuck
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201420101587.0U
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Chinese (zh)
Inventor
朱庆国
陆薛彬
曹宗亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU GMO HIGH-TECHNOLOGY Co Ltd
Original Assignee
JIANGSU GMO HIGH-TECHNOLOGY Co Ltd
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Filing date
Publication date
Application filed by JIANGSU GMO HIGH-TECHNOLOGY Co Ltd filed Critical JIANGSU GMO HIGH-TECHNOLOGY Co Ltd
Priority to CN201420101587.0U priority Critical patent/CN203810726U/en
Application granted granted Critical
Publication of CN203810726U publication Critical patent/CN203810726U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a double-interlayer water heater liner and belongs to the technical field of water heaters. The liner comprises a water storage liner body, a jacket and a heat conducting layer. A enamel layer is disposed on the inner surface of the water storage liner body. Extending edges extend from the concave arc surface of the jacket. A row of assembling holes is formed in each of the extending edges on two sides. Welding studs which extend in a fixed-normal manner are welded to an arc outer surface. The assembling holes extends along the direction forming an included angle with the generatrix of the arc outer surface. The welding studs penetrate corresponding assembling holes. A nut pressing the corresponding extending edge of the jacket is screwed at the outer end of each welding stud. The double-interlayer water heater liner has the advantages the damage-free combination difficulty of the double-interlayer enamel liner is solved, and double interlayers can be closely fitted to the surface of the liner through the heat conducting layer after combination while the enamel layer can be effectively prevented from being damaged.

Description

A kind of double sandwich water heater liner
Technical field
The utility model relates to a kind of water heater liner, and especially a kind of double sandwich water heater liner, belongs to technical field of water heaters.
Background technology
There is the water heater liner of heat exchange interlayer because compact conformation, good effect of heat exchange are used widely.Its early stage typical structure is as disclosed in the Chinese utility model of application number 01261923.X, is single sandwich-type.Though concrete structure afterwards has some to change, equal unsubstantiality, especially all adopt welding to form interlayer.Yet for enamel inner container, welding process unavoidably, because of overheated causing " burst porcelain ", has a strong impact on antiseptic property.For this reason, application number is that 201210088691.6 Chinese utility model patent application discloses a kind of water heater interlayer water tank and processing method thereof: the first step, on inner bag, weld two box cuplings, wherein the maximum outside diameter of at least one box cupling is less than or equal to the internal diameter of urceolus; Second step, carries out enamel sintering to inner bag; The 3rd step, is socketed in urceolus on inner bag, and the box cupling that described maximum outside diameter is less than or equal to urceolus diameter dilates, and then welds together with described urceolus; The 4th step, completes all welding and forms interlayer water tank.Its shortcoming is to make the jacket structured complexity that becomes, and peripheral heat-insulating layer foaming is had to inhibition.
In recent years, single interlayer water heater liner causes and shows great attention to the impact of the safety of water source, once keep away interlayer inside because of reason perforation such as corrosion because of structure for this reason, the heat transferring medium in interlayer will infiltrate in inner bag, thus inevitable polluted source.
In order to meet about guaranteeing the standard of the safety of water source, double sandwich water heater liner comes out, its typical structure is that the Chinese patent of application number 201020694399.5 is disclosed, comprise heat exchange jacket, enamel inner container and shell, on shell, be provided with water inlet pipe and outlet pipe, water inlet pipe and outlet pipe are communicated with enamel inner container, the two ends of shell are separately installed with a left side, right aling cap, on the outer wall of enamel inner container, be furnished with heat exchange jacket, heat exchange jacket is made by corrosion resistant plate, the internal face of heat exchange jacket is arc surface, together with the internal face of heat exchange jacket fits tightly with the outside wall surface of enamel inner container by the good boundary material of thermal conductivity.
Although be obviously different from single sandwich in this kind of double sandwich water heater liner class structure, but the combination of interlayer and inner bag cannot be used for reference 201210088691.6 method, therefore the welding procedure based on traditional still, is only that the full weld that will originally need to guarantee sealing changes edge intermittent weld or the spot welding that heat is less into.Yet facts have proved no matter adopt intermittent weld or spot welding, the hot-spot of weldering place still can cause that crack appears in enamel, and its antiseptic property is weakened greatly.Therefore, the damage of exempting from of double sandwich enamel inner container is combined into technical barrier one.
Summary of the invention
The purpose of this utility model is: for the above-mentioned technical barrier of double sandwich enamel inner container combination, by the innovation of process structure, propose a kind ofly can effectively avoid enamel layer impaired, and guarantee the double sandwich water heater liner that double sandwich fits tightly by heat-conducting layer and inner bag surface, provide its assembling technique.
In order to reach above object, the utility model double sandwich water heater liner comprises the water storage bag body with circular arc external surface, have and described circular arc external surface shape match chuck and the heat-conducting layer between described water storage bag body and chuck of concave arc surface, described water storage bag body inner surface has enamel layer, described chuck concave arc surface is at least extended the expansion limit that can fit with circular arc external surface towards both sides, on the expansion limit of described both sides, be distributed with respectively row's pilot hole, in described circular arc external surface, the position of corresponding described pilot hole is welded and fixed the weldering nail that normal direction is extended, the direction that described pilot hole is angle along the bus with described circular arc external surface is extended, the maximum spacing of the relative pilot hole in described chuck both sides is more than or equal to corresponding circular arc external surface both sides weldering nail away from the spacing of water storage bag body one end, the minimum spacing of the relative pilot hole in described chuck both sides is less than or equal to the spacing of the contiguous water storage bag body of corresponding circular arc external surface both sides weldering nail one end, described weldering nail is through after corresponding pilot hole, outer end is screwed with the nut on chuck expansion limit described in pressure holding.
The assembling technique of the utility model double sandwich water heater liner comprises the following steps:
The first step, the position that forms the corresponding pilot hole of the external periphery of water storage bag of enamel layer at inner surface are welded and fixed the weldering nail that normal direction is extended;
Second step, padded after heat-conducting layer, chuck pilot hole has been inserted in to corresponding weldering nail;
The 3rd step, the relative water storage bag body passing of direction by chuck towards both sides pilot hole pitch smaller, make chuck concave arc surface press close to water storage bag body circular arc external surface and compress heat-conducting layer;
The 4th step, in weldering nail outer end, tighten the nut on pressure holding chuck expansion limit.
Heat during due to the welding of weldering nail end points is less, to not damage of the enamel layer in inner bag, and above-mentioned mounting hole configuration in conjunction with the passing step of packaging technology manipulative the weldering nail spacing flaring of normal direction welding obstacle that assembling is formed, therefore adopt after the utility model, the damage of exempting from of having properly settled double sandwich enamel inner container combines a difficult problem, when double sandwich can fit tightly by heat-conducting layer and inner bag surface after guaranteeing combination, effectively avoid enamel layer impaired.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the perspective view of the utility model embodiment mono-.
Fig. 2 is the perspective view of chuck in Fig. 1 embodiment.
Fig. 3 is the planar structure schematic diagram of chuck in Fig. 1 embodiment.
Fig. 4 is the side view in Fig. 1 embodiment.
Fig. 5 is the mounting hole configuration schematic diagram of the utility model embodiment bis-.
In figure, have: chuck 5, outside plate 5-1, base plate 5-2, expansion limit 5-3, pilot hole 5-4, water storage bag body 6, circular arc external surface 6-1, weldering nail 7, nut 8.
The specific embodiment
Embodiment mono-
The double sandwich water heater liner of the present embodiment as shown in Figure 1, comprises and has the complete circle outer surface of column that circular arc external surface 6-1(is not limited to the present embodiment) water storage bag body 6, have and circular arc external surface shape match chuck 5 and the heat-conducting layer between water storage bag body 6 and chuck 5 of concave arc surface.The inner surface of water storage bag body 6 is coated with enamel layer.Chuck 5 as shown in Figure 2, by the circular-arc outside plate 5-1 of stainless steel and the base plate 5-2 that forms concave arc surface, be welded, the base plate 5-2 that forms concave arc surface at least towards both sides (be not limited to the present embodiment towards four limits) extend the expansion limit 5-3 that can fit with circular arc external surface.On the expansion limit 5-3 of both sides, be distributed with respectively row's pilot hole 5-4, the position of the upper corresponding pilot hole 5-4 of circular arc external surface 6-1 is welded and fixed the weldering nail 7(of normal direction extension referring to socket cap weldering nail > > GB/T10433-2002 for < < electric arc stud welding).The direction that pilot hole 5-4 is approximately 30 ° of (being not limited to this angle) angles along the bus with circular arc external surface 6-1 is extended, and two ends are for following closely with weldering the semi arch that radius matches.The maximum spacing S of the chuck 5 relative pilot hole 5-4 in both sides equals (also be greater than can) corresponding circular arc external surface 6-1 both sides weldering nail 7 interval S away from water storage bag body one end ', the minimum spacing s of the chuck 5 relative pilot hole 5-4 in both sides equals the distance s of (also be less than can) corresponding circular arc external surface 6-1 both sides weldering nail 7 contiguous water storage bag body one end ', the location while so being more conducive to combine and spacing.Weldering nail 7 is through after corresponding pilot hole 5-4, and outer end is screwed with the belt washer nut 8 of pressure holding chuck expansion limit 5-3.
During assembling, the position of the first corresponding pilot hole of the external periphery of water storage bag at inner surface formation enamel layer is welded and fixed the weldering nail that normal direction is extended, the inner bag inner surface enamel layer temperature rise that during due to weldering nail welding, the heat of end points causes, far below its sintering temperature, it is hereby ensured that enamel layer is not impaired.After this, padded heat-conducting layer, by large spacing place, chuck pilot hole has been inserted in to corresponding weldering nail outer end; Then direction (shown in Fig. 3 arrow) the water storage bag body passing relatively towards both sides pilot hole pitch smaller by chuck, the trend of pilot hole pitch smaller will make chuck concave arc surface press close to gradually water storage bag body circular arc external surface, until reach the extreme position that compresses heat-conducting layer.Finally, in weldering nail outer end, tighten the belt washer nut on pressure holding chuck expansion limit.
Facts have proved, the double sandwich inner container structure of water heater of the present embodiment is simple, practical process, the dress of chuck, tear open very convenient, without any impact, very favourable to subsequent handlings such as outside heat-insulating layer foamings on the antiseptic property of enamel layer.
Embodiment bis-
Double sandwich inner container structure of water heater and the embodiment mono-of the present embodiment are basically identical, and difference is pilot hole 5-4 as shown in Figure 5, trapezoidal end and the rectangular end respectively with mutual linking gradient section A and straight section B, consist of.Also can be on the basis of embodiment mono-, the minimum spacing end of pilot hole 5-4 extends the straight section parallel with the bus of circular arc external surface 6-1.Like this, in anabolic process, when chuck is passed towards the direction of both sides pilot hole pitch smaller, weldering nail and gradient section hypotenuse interact and make interlayer press close to the component of water storage bag body generation, thereby are conducive to both being adjacent to; When weldering nail enter straight section only after, can make chuck have towards the trend of both sides expansion, be conducive to keep having the laminating degree of certain pretightning force, prevent resilience.

Claims (4)

1. a double sandwich water heater liner, comprise the water storage bag body with circular arc external surface, have and described circular arc external surface shape match chuck and the heat-conducting layer between described water storage bag body and chuck of concave arc surface, described water storage bag body inner surface has enamel layer, it is characterized in that: described chuck concave arc surface is at least extended the expansion limit that can fit with circular arc external surface towards both sides, on the expansion limit of described both sides, be distributed with respectively row's pilot hole, in described circular arc external surface, the position of corresponding described pilot hole is welded and fixed the weldering nail that normal direction is extended, the direction that described pilot hole is angle along the bus with described circular arc external surface is extended, the maximum spacing of the relative pilot hole in described chuck both sides is more than or equal to corresponding circular arc external surface both sides weldering nail away from the spacing of water storage bag body one end, the minimum spacing of the relative pilot hole in described chuck both sides is less than or equal to the spacing of the contiguous water storage bag body of corresponding circular arc external surface both sides weldering nail one end, described weldering nail is through after corresponding pilot hole, outer end is screwed with the nut on chuck expansion limit described in pressure holding.
2. double sandwich water heater liner according to claim 1, is characterized in that: described chuck is welded with the base plate that forms concave arc surface by the circular-arc outside plate of stainless steel.
3. double sandwich water heater liner according to claim 2, it is characterized in that: described pilot hole two ends are for following closely with weldering the semi arch that radius matches, the maximum spacing of the relative pilot hole in described chuck both sides equals corresponding circular arc external surface both sides weldering nail away from the spacing of water storage bag body one end, and the minimum spacing of the relative pilot hole in described chuck both sides equals the spacing of the contiguous water storage bag body of corresponding circular arc external surface both sides weldering nail one end.
4. according to the double sandwich water heater liner described in claim 1,2 or 3, it is characterized in that: the minimum spacing end of described pilot hole extends the straight section parallel with the bus of described circular arc external surface.
CN201420101587.0U 2014-03-06 2014-03-06 Double-interlayer water heater liner Withdrawn - After Issue CN203810726U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420101587.0U CN203810726U (en) 2014-03-06 2014-03-06 Double-interlayer water heater liner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420101587.0U CN203810726U (en) 2014-03-06 2014-03-06 Double-interlayer water heater liner

Publications (1)

Publication Number Publication Date
CN203810726U true CN203810726U (en) 2014-09-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420101587.0U Withdrawn - After Issue CN203810726U (en) 2014-03-06 2014-03-06 Double-interlayer water heater liner

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103836797A (en) * 2014-03-06 2014-06-04 江苏迈能高科技有限公司 Double-interlayer inner container of water heater and assembling technique of double-interlayer inner container

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103836797A (en) * 2014-03-06 2014-06-04 江苏迈能高科技有限公司 Double-interlayer inner container of water heater and assembling technique of double-interlayer inner container
CN103836797B (en) * 2014-03-06 2016-08-24 江苏迈能高科技有限公司 A kind of double sandwich water heater liner and assembling technique thereof

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140903

Effective date of abandoning: 20160824

C25 Abandonment of patent right or utility model to avoid double patenting