CN2557874Y - Composite plastic liner for water-heater - Google Patents
Composite plastic liner for water-heater Download PDFInfo
- Publication number
- CN2557874Y CN2557874Y CN 02218163 CN02218163U CN2557874Y CN 2557874 Y CN2557874 Y CN 2557874Y CN 02218163 CN02218163 CN 02218163 CN 02218163 U CN02218163 U CN 02218163U CN 2557874 Y CN2557874 Y CN 2557874Y
- Authority
- CN
- China
- Prior art keywords
- cavity
- inner bag
- inner gallbladder
- gallbladder
- plastic layer
- 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.)
- Expired - Fee Related
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Disclosed is a compounded plastic inner gallbladder for the water heater, comprising a cleaning joint, a water outlet joint, a water inlet joint and an inner gallbladder of a heating pipe flange. The surface of the cavity of the inner gallbladder is sprayed with adhesive; the inner gallbladder is fixedly connected with a compounded plastic layer as a whole; and the compounded plastic layer is composed by the method that a plastic pipe billet arranged inside the cavity is molded by huffing. As the surface of the cavity of the inner gallbladder is sprayed with the adhesive, the inner gallbladder can be connected tightly with the compounded plastic layer; furthermore, the compounded plastic layer is composed by the method that the plastic pipe billet is directly molded by huffing inside the cavity of the inner gallbladder by compressed air, and thus the compounded plastic layer is combined with the inner gallbladder tightly and firmly, taking the same shape as that of the inner gallbladder without any clearance in the combined position. In this way, even if the inner gallbladder is used for a long time, the compounded plastic layer will not loosen or disconnect from the inner gallbladder. Therefore, the utility model is corrosion resistant, has better leakage resistant effect and longer service life.
Description
Technical field
The utility model relates to critical piece one inner bag in a kind of water heater, and particularly a kind of water heater that uses in water-storage electric heater is moulded inner bag again.
Background technology
The inner bag of existing commercially available water-storage electric heater, though make by stainless steel material or steel enamel material, because of its for a long time, directly immersion and contacting with WATER AS FLOW MEDIUM, and under heated condition, work, very perishable, cause seepage, influence its service life.For overcoming deficiency of the prior art, increase the service life of inner bag, the patent that inner bag was moulded, moulded again to relevant water heater steel is arisen at the historic moment.
Number of patent application 99119983.9 " internal container of steel-plastics composite water heater and production method thereof " just provides a kind of and be pressed into plastic lining in the virgin metal shell, i.e. inner bag liner one plastic-lined structure.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of water heater to mould inner bag again, combine with metal inner tube closely, long-term use is not thrown off, the inner bag surface metal is not contacted with water, play not burn into non-scaling, antiseep, the effect that increases the service life.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: water heater is moulded inner bag again, comprise having and clean joint, water out adapter, water supply connector, the inner bag of heating tube flange, and the cavity surface of described inner bag is sprayed with adhesive, with the plastic tube parison that is placed in the cavity, layer is moulded in answering of forming after the inflation moulding, fixedly connected being integral.
Compared with prior art, advantage of the present utility model is: this surface of internal cavity of moulding inner bag again is coated with adhesive, with mould again the layer be connected firm.And mould the plastic tube parison of layer again through with heat, just from extruder, having processed, and directly in the inner bag cavity, be shaped with the compressed air inflation, with the combining closely of inner bag, firmly, shape is the same, does not have a bit gap.Therefore after long-time the use, mould layer again and also can not become flexible or throw off, thus anticorrosion, antiseep better effects if, longer service life.
Description of drawings
Accompanying drawing: structural representation of the present utility model.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Inner bag 1 is made into by the high-quality low-carbon steel material, has on it to clean joint 2, and water out adapter 3, water supply connector 4, heating tube flange 6, and surface of internal cavity carried out oil removing, processing of rust removing, after drying, cleaning out, spray layer of adhesive.
Adopt polybutene or crosslinked polyethylene to make raw material, be made into the plastic tube parison (semi-finished product) of end sealing, and while hot with this plastic tube parison, put into the cavity of inner bag 1, with compressed air to the semi-finished product inflation, make itself and adhesive be close on the inwall of inner chamber together and the inwall and the mouth of pipe of all cleaning joints 2, water out adapter 3, water supply connector 4, heating tube flange 6 on, form the integral body that is coated on inner bag 1 cavity and mould layer 5 again.
During use, answering in water and inner bag 1 cavity moulded layer 5 and contacted, directly do not contact with metal inner tube, thereby play struggle against the corrosive influence, effect that antiseep increases the service life.
Claims (2)
1. a water heater is moulded inner bag again, comprise having and clean joint (2), water out adapter (3), water supply connector (4), the inner bag (1) of heating tube flange (6), the cavity surface that it is characterized in that described inner bag (1) is sprayed with adhesive, with the plastic tube parison that is placed in the cavity, layer (5), fixedly connected being integral are moulded in answering of forming after the inflation moulding.
2. the inner bag of moulding again according to claim 1, it is characterized in that the plastic tube parison is that raw material is made by polybutene or crosslinked polyethylene, an and end sealing, put into the cavity of inner bag (1) while hot, with compressed air to its inflation, be close on the inwall of inner bag (1) inner chamber together with adhesive and the inwall and the mouth of pipe of all cleaning joints (2), water out adapter (3), water supply connector (4), heating tube flange (6) on, form the integral body that is coated on inner bag (1) cavity and mould layer (5) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02218163 CN2557874Y (en) | 2002-06-12 | 2002-06-12 | Composite plastic liner for water-heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02218163 CN2557874Y (en) | 2002-06-12 | 2002-06-12 | Composite plastic liner for water-heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2557874Y true CN2557874Y (en) | 2003-06-25 |
Family
ID=33696856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02218163 Expired - Fee Related CN2557874Y (en) | 2002-06-12 | 2002-06-12 | Composite plastic liner for water-heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2557874Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466325A (en) * | 2010-11-19 | 2012-05-23 | 北京佳盛世纪科技有限公司 | Manufacturing method of steel-plastic composite inner container of water heater |
| CN104494113A (en) * | 2014-12-27 | 2015-04-08 | 王踵先 | Production method of metal water tank with plastic lining |
| CN104896739A (en) * | 2014-03-09 | 2015-09-09 | 广东顺德光晟电器股份有限公司 | Injection-molded multilayer electric water heater liner |
-
2002
- 2002-06-12 CN CN 02218163 patent/CN2557874Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466325A (en) * | 2010-11-19 | 2012-05-23 | 北京佳盛世纪科技有限公司 | Manufacturing method of steel-plastic composite inner container of water heater |
| CN104896739A (en) * | 2014-03-09 | 2015-09-09 | 广东顺德光晟电器股份有限公司 | Injection-molded multilayer electric water heater liner |
| CN104494113A (en) * | 2014-12-27 | 2015-04-08 | 王踵先 | Production method of metal water tank with plastic lining |
| CN104494113B (en) * | 2014-12-27 | 2017-01-25 | 王踵先 | Production method of metal water tank with plastic lining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |