CN103836797A - Double-interlayer inner container of water heater and assembling technique of double-interlayer inner container - Google Patents
Double-interlayer inner container of water heater and assembling technique of double-interlayer inner container Download PDFInfo
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- CN103836797A CN103836797A CN201410081736.6A CN201410081736A CN103836797A CN 103836797 A CN103836797 A CN 103836797A CN 201410081736 A CN201410081736 A CN 201410081736A CN 103836797 A CN103836797 A CN 103836797A
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Abstract
The invention relates to a double-interlayer inner container of a water heater and an assembling technique of the double-interlayer inner container, and belongs to the technical field of water heaters. The inner container comprises a water storage container, a clamping sleeve and a heat conducting layer. An enamel layer is arranged on the inner surface of the water storage container. The recessed-arc-shaped surface of the clamping sleeve extends to form extension edges. A row of assembling holes is distributed in the extension edge on each of two sides. Welding screws extending along the normal direction are welded and fixed on the arc-shaped outer surface. The assembling holes extend along the direction in which included angles are formed by the assembling holes and the generatrix of the arc-shaped outer surface. Nuts for clamping the extension edges of the clamping sleeve are screwed at the outer ends of the welding screws after the welding screws penetrate the corresponding assembling holes. The problem about damage-free combination of the double-interlayer enameled inner container is solved well, combined double interlayers can be ensured to be in close fit with the surface of the inner container through the heat conducting layer, and damage to the enamel layer is effectively avoided.
Description
Technical field
The present invention relates to a kind of water heater liner, especially a kind of double sandwich water heater liner also relates to its assembling technique simultaneously, 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.But for enamel inner container, welding process unavoidably, because of overheated causing " burst porcelain ", has a strong impact on antiseptic property.For this reason, the Chinese invention patent application that application number is 201210088691.6 discloses a kind of water heater interlayer water tank and processing method thereof: the first step, on inner bag, weld two box cuplings, and 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 the standard that ensures 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 up of 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 is still only that the full weld that will originally need to ensure sealing changes edge intermittent weld or the spot welding that heat is less into.But 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 object of the invention is to: for the above-mentioned technical barrier of double sandwich enamel inner container combination, by the innovation of process structure, proposing one can effectively avoid enamel layer impaired, and ensure 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, double sandwich water heater liner of the present invention comprises the water storage bag body with circular arc external surface, have and described circular arc external surface shape the match chuck of concave arc surface and the heat-conducting layer between described water storage bag body and chuck, 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, extend with the direction that the bus of described circular arc external surface is angle on described pilot hole edge, the maximum spacing of the relative pilot hole in described chuck both sides is more than or equal to the spacing of weldering nail in corresponding circular arc external surface both sides away from 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 is followed closely through after corresponding pilot hole, outer end is screwed with the nut on chuck expansion limit described in pressure holding.
The assembling technique of double sandwich water heater liner of the present invention comprises the following steps:
The first step, the position that forms the corresponding pilot hole of the external periphery of the water storage bag of enamel layer at inner surface are welded and fixed the weldering nail that normal direction is extended;
Second step, pad after heat-conducting layer, chuck pilot hole has been inserted in to corresponding weldering nail;
The 3rd step, chuck is passed towards the relative water storage bag body of the direction of both sides pilot hole pitch smaller, made chuck concave arc surface press close to water storage bag body circular arc external surface and compress heat-conducting layer;
The 4th step, tighten the nut on pressure holding chuck expansion limit in weldering nail outer end.
Heat during due to the welding of weldering nail end points is less, enamel layer in inner bag is not damaged, 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 present invention, the damage of exempting from of having properly settled double sandwich enamel inner container combines a difficult problem, in ensureing that the rear double sandwich of combination can fit tightly by heat-conducting layer and inner bag surface, effectively avoid enamel layer impaired.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is the perspective view of the embodiment of the present invention one.
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 embodiment of the present invention two.
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.
Detailed description of the invention
Embodiment mono-
The double sandwich water heater liner of the present embodiment as shown in Figure 1, comprises the complete circle outer surface of column that has circular arc external surface 6-1(and be not limited to the present embodiment) water storage bag body 6, have and circular arc external surface shape the match chuck 5 of concave arc surface and the heat-conducting layer between water storage bag body 6 and chuck 5.The inner surface of water storage bag body 6 is coated with enamel layer.Chuck 5 as shown in Figure 2, be welded by the circular-arc outside plate 5-1 of stainless steel and the base plate 5-2 that forms concave arc surface, 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 " electric arc stud welding socket cap weldering nail " GB/T10433-2002).Extend with the direction that the bus of circular arc external surface 6-1 is approximately 30 ° of (being not limited to this angle) angles on pilot hole 5-4 edge, and two ends are the semi arch matching with weldering nail radius.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.
When assembling, first be welded and fixed in the position of the corresponding pilot hole of the external periphery of water storage bag of inner surface formation enamel layer 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, tighten the belt washer nut on pressure holding chuck expansion limit in weldering nail outer end.
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, are made up of trapezoidal end and the rectangular end respectively with mutual linking gradient section A and straight section B.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 (6)
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 the match chuck of concave arc surface and the heat-conducting layer between described water storage bag body and chuck, 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, extend with the direction that the bus of described circular arc external surface is angle on described pilot hole edge, the maximum spacing of the relative pilot hole in described chuck both sides is more than or equal to the spacing of weldering nail in corresponding circular arc external surface both sides away from 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 is followed closely 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 the semi arch matching with weldering nail radius, the maximum spacing of the relative pilot hole in described chuck both sides equals the spacing of weldering nail in corresponding circular arc external surface both sides away from 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.
5. the assembling technique of double sandwich water heater liner according to claim 1, is characterized in that comprising the following steps:
The first step, the position that forms the corresponding pilot hole of the external periphery of the water storage bag of enamel layer at inner surface are welded and fixed the weldering nail that normal direction is extended;
Second step, pad after heat-conducting layer, chuck pilot hole has been inserted in to corresponding weldering nail;
The 3rd step, chuck is passed towards the relative water storage bag body of the direction of both sides pilot hole pitch smaller, made chuck concave arc surface press close to water storage bag body circular arc external surface and compress heat-conducting layer;
The 4th step, tighten the nut on pressure holding chuck expansion limit in weldering nail outer end.
6. the assembling technique of double sandwich water heater liner according to claim 5, it is characterized in that: described pilot hole two ends are the semi arch matching with weldering nail radius, the maximum spacing of the relative pilot hole in described chuck both sides equals the spacing of weldering nail in corresponding circular arc external surface both sides away from 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; In described the 3rd step, chuck is passed towards the relative water storage bag body of direction of both sides pilot hole pitch smaller, until reach the extreme position that compresses heat-conducting layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410081736.6A CN103836797B (en) | 2014-03-06 | 2014-03-06 | A kind of double sandwich water heater liner and assembling technique thereof |
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| CN201410081736.6A CN103836797B (en) | 2014-03-06 | 2014-03-06 | A kind of double sandwich water heater liner and assembling technique thereof |
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| CN103836797B CN103836797B (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620761A (en) * | 2017-03-15 | 2018-10-09 | 上海梅山钢铁股份有限公司 | A method of improving water heater porcelain enamel steel liner welding point yield deformation drag |
| CN112975074A (en) * | 2021-03-10 | 2021-06-18 | 宁波华宝弘瑞五金有限公司 | Novel welding process |
Citations (5)
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| JP2002310511A (en) * | 2001-04-11 | 2002-10-23 | Corona Corp | Hot water storage tank |
| CN201954796U (en) * | 2010-12-31 | 2011-08-31 | 孙传玲 | Anti-corrosion overheating-proof pressure-bearing water tank for solar water heater |
| CN203010970U (en) * | 2012-11-17 | 2013-06-19 | 佛山市顺德区澳伦电器有限公司 | Heat exchanger of open type solar heat pump water heater |
| CN103363665A (en) * | 2012-03-30 | 2013-10-23 | 宁波帅康热水器有限公司 | Interlayer water tank for water heater and manufacture method thereof |
| CN203810726U (en) * | 2014-03-06 | 2014-09-03 | 江苏迈能高科技有限公司 | Double-interlayer water heater liner |
-
2014
- 2014-03-06 CN CN201410081736.6A patent/CN103836797B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002310511A (en) * | 2001-04-11 | 2002-10-23 | Corona Corp | Hot water storage tank |
| CN201954796U (en) * | 2010-12-31 | 2011-08-31 | 孙传玲 | Anti-corrosion overheating-proof pressure-bearing water tank for solar water heater |
| CN103363665A (en) * | 2012-03-30 | 2013-10-23 | 宁波帅康热水器有限公司 | Interlayer water tank for water heater and manufacture method thereof |
| CN203010970U (en) * | 2012-11-17 | 2013-06-19 | 佛山市顺德区澳伦电器有限公司 | Heat exchanger of open type solar heat pump water heater |
| CN203810726U (en) * | 2014-03-06 | 2014-09-03 | 江苏迈能高科技有限公司 | Double-interlayer water heater liner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620761A (en) * | 2017-03-15 | 2018-10-09 | 上海梅山钢铁股份有限公司 | A method of improving water heater porcelain enamel steel liner welding point yield deformation drag |
| CN108620761B (en) * | 2017-03-15 | 2020-08-11 | 上海梅山钢铁股份有限公司 | Method for improving yield deformation resistance of welding joint of enamel steel liner of water heater |
| CN112975074A (en) * | 2021-03-10 | 2021-06-18 | 宁波华宝弘瑞五金有限公司 | Novel welding process |
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| CN103836797B (en) | 2016-08-24 |
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