CN104066214A - Electric heating pipe head multifunctional protecting connector and electric heating pipe head sealing method - Google Patents
Electric heating pipe head multifunctional protecting connector and electric heating pipe head sealing method Download PDFInfo
- Publication number
- CN104066214A CN104066214A CN201410249985.1A CN201410249985A CN104066214A CN 104066214 A CN104066214 A CN 104066214A CN 201410249985 A CN201410249985 A CN 201410249985A CN 104066214 A CN104066214 A CN 104066214A
- Authority
- CN
- China
- Prior art keywords
- electric heating
- heating tube
- metal outer
- pipe
- outer pipe
- 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.)
- Granted
Links
- 238000005485 electric heating Methods 0.000 title claims abstract description 59
- 238000007789 sealing Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims description 8
- 239000004020 conductor Substances 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000002788 crimping Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- -1 polytetrafluoroethylene Polymers 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
The invention relates to a part structure of an electric heating device, in particular to an electric heating pipe head multifunctional protecting connector which comprises a pipe connector and a sealing pipe component. The sealing pipe component comprises a section of metal outer pipe and a center conductor placed at the center of the metal outer pipe. One end of the center conductor is provided with a structure which can be connected with an electric heating pipe guiding-out end conductor in a matched mode. The other end of the center conductor is provided with a guiding-out rod which can be connected with an external power supply. The position between the center conductor and the metal outer pipe is provided with a sealing sleeve made of polytetrafluoroethylene material for sealing and filling. The metal outer pipe and a tubular outer shell of an electric heating pipe can be connected in a sealing mode through the pipe connector. Dielectric can be effectively prevented from leaking from an electric heating pipe inner core, a single electric heating pipe can be subjected to overcurrent protection, external moisture can be effectively prevented from entering the electric heating pipe inner core, and the insulating property of insulated dielectric is guaranteed.
Description
Technical field
The present invention relates to a kind of modular construction of electric heater unit, specifically a kind of electric heating tube head multifunctional protection connector and electric heating tube head encapsulating method method.
Background technology
Adopt in the electric heater of electric heating tube, the end of electric heating tube is connected with the power supply terminal in terminal box by eduction rod conventionally, and the common and window wallboard of the tube-like envelope of electric heating tube is tightly connected, to guarantee that in container, heated medium can not leak.There is following defect in the mounting means of existing this electric heating tube: 1, in actual use, the part electric heating tube shell that is positioned at container may break because of overheated generation, heated medium may enter in electric heating tube shell, by the heat conductive insulating medium (as magnesia powder) in shell, from electrothermal tube end, ooze out again, cause material from leakage; 2, for some powerful industrial electro heaters; it adopts the electric heating tube of a greater number to work conventionally simultaneously; because the overall current of all electric heating tubes is only monitored in the overcurrent protection of electric heater conventionally; therefore when single electric heating tube overcurrent; Over Current Protection System is difficult to find in time and protection, causes electric heating tube overcurrent to damage.
Summary of the invention
The present invention wants technical solution problem to be, a kind of sealing that can improve electric heating tube head is provided, prevents that heated medium from leaking, can carry out to single electric heating tube electric heating tube head multifunctional protection connector and the electric heating tube head encapsulating method of overcurrent protection from the heat conductive insulating dielectric layer of electric heating tube inner core.
Electric heating tube multifunctional protection connector of the present invention comprises pipe joint and sealed tube assembly; Described sealed tube assembly comprises one section of metal outer pipe and is positioned at the center conductor at metal outer pipe center, center conductor one end has the structure that can be connected with electric heating tube exit conductor, and the center conductor other end has the eduction rod that can be connected with external power source; Between center conductor and metal outer pipe, by the sealing shroud sealing of polytetrafluoroethylmaterial material, filled; Described pipe joint can be tightly connected the tube-like envelope of metal outer pipe and electric heating tube.
Described center conductor is comprised of the front contact rod at leading portion, fuse at the rear contact rod of back segment and before being connected between contact rod and rear contact rod, and front contact rod can connect the exit of electric heating tube, and rear contact rod rear end is described eduction rod.
Described fuse outer race has the inner sleeve of one section of polytetrafluoroethylmaterial material, and inner sleeve is positioned at sealing shroud.
Described fuse is helical spring shape, and it can be stretched by axial elasticity.
Described pipe joint is known clamping sleeve blow-out patch.
Electric heating tube head encapsulating method of the present invention comprises the following steps:
The inner sleeve of one section of polytetrafluoroethylmaterial material is enclosed within on one section of fuse, and fuse two ends are connected with rear contact rod crimping with front contact rod, form center conductor; Center conductor is inserted to one section of polytetrafluoroethylmaterial material sealing shroud, sealing shroud and forward and backward contact rod matched in clearance; The sealing shroud that is plugged center conductor is inserted in one section of metal outer pipe to sealing shroud and metal outer pipe matched in clearance; On undergauge equipment, the metal outer pipe of inserting after sealing shroud is carried out to undergauge processing, crush seal cover, is filled between forward and backward contact rod and metal outer pipe sealing shroud sealing; Insert from the two ends of pipe joint metal outer pipe after undergauge is processed and the tubular shell end of electric heating tube, electric heating tube exit conductor and front contact rod are threaded connection simultaneously, then by pipe joint, the tubular shell of metal outer pipe and electric heating tube are tightly connected.
Advantage applies of the present invention exists: 1, can carry out positiver sealing to the tube head of electric heating tube, effectively prevent that medium from adding inner core from electricity and leaking; 2, by built-in fuse, can carry out overcurrent protection to single electric heating tube; 3, by undergauge, push the sealing shroud of polytetrafluoroethylmaterial material, realize the sealing of tube head inner core, effectively prevent that external humidification from entering electric heating tube inner core, guaranteed the insulation property of dielectric.
Accompanying drawing explanation
Fig. 1 is the vertical section structure schematic diagram of the electric heating tube multifunctional protection connector of the embodiment of the present invention.
Embodiment
As shown in the figure, the embodiment of electric heating tube multifunctional protection connector of the present invention comprises pipe joint 1 and sealed tube assembly 2; Described sealed tube assembly comprises one section of metal outer pipe 21 and is positioned at the center conductor 22 at metal outer pipe center, center conductor one end has the structure that can be connected with electric heating tube exit conductor, and the center conductor other end has the eduction rod 23 that can be connected with external power source; Between center conductor 22 and metal outer pipe 21, by sealing shroud 24 sealings of polytetrafluoroethylmaterial material, filled; Pipe joint 1(can adopt known ferrule-type compression joint) metal outer pipe 21 and the tube-like envelope of electric heating tube 3 can be tightly connected.Center conductor 22 is comprised of the front contact rod 221 at leading portion, fuse 223 at the rear contact rod 222 of back segment and before being connected between contact rod and rear contact rod, front contact rod 221 can connect the exit of electric heating tube, and rear contact rod 222 rear ends are described eduction rod 223.Fuse 223 outer race have the inner sleeve 25 of one section of polytetrafluoroethylmaterial material, and inner sleeve is positioned at sealing shroud 24.Fuse 223 is helical spring shape, and it can be stretched by axial elasticity.Described pipe joint 1 is known clamping sleeve blow-out patch.
Electric heating tube head encapsulating method embodiment of the present invention comprises the following steps:
The inner sleeve of one section of polytetrafluoroethylmaterial material is enclosed within on one section of fuse, and fuse two ends are connected with rear contact rod crimping with front contact rod, form center conductor; Center conductor is inserted to one section of polytetrafluoroethylmaterial material sealing shroud, sealing shroud and forward and backward contact rod matched in clearance; The sealing shroud that is plugged center conductor is inserted in one section of metal outer pipe to sealing shroud and metal outer pipe matched in clearance; On undergauge equipment, the metal outer pipe of inserting after sealing shroud is carried out to undergauge processing, crush seal cover, is filled between forward and backward contact rod and metal outer pipe sealing shroud sealing; Insert from the two ends of pipe joint metal outer pipe after undergauge is processed and the tubular shell end of electric heating tube, electric heating tube exit conductor and front contact rod are threaded connection simultaneously, then by pipe joint, the tubular shell of metal outer pipe and electric heating tube are tightly connected.
Claims (6)
1. an electric heating tube multifunctional protection connector, is characterized in that: comprise pipe joint (1) and sealed tube assembly (2); Described sealed tube assembly comprises one section of metal outer pipe (21) and is positioned at the center conductor (22) at metal outer pipe center, center conductor one end has the structure that can be connected with electric heating tube exit conductor, and the center conductor other end has the eduction rod (23) that can be connected with external power source; Between center conductor (22) and metal outer pipe (21), by sealing shroud (24) sealing of polytetrafluoroethylmaterial material, filled; Pipe joint (1) can be tightly connected metal outer pipe (21) and the tube-like envelope of electric heating tube (3).
2. electric heating tube multifunctional protection connector according to claim 1, is characterized in that: center conductor (22) by be positioned at leading portion front contact rod (221), be positioned at the rear contact rod (222) of back segment and be connected to front contact rod and rear contact rod between fuse (223) form.
3. electric heating tube multifunctional protection connector according to claim 2, is characterized in that: fuse (223) outer race has the inner sleeve (25) of one section of polytetrafluoroethylmaterial material, and inner sleeve is positioned at sealing shroud (24).
4. electric heating tube multifunctional protection connector according to claim 2, is characterized in that: fuse (223) is helical spring shape.
5. electric heating tube multifunctional protection connector according to claim 1, is characterized in that: described pipe joint is known clamping sleeve blow-out patch.
6. an electric heating tube head encapsulating method, is characterized in that: comprise the following steps successively:
The inner sleeve of one section of polytetrafluoroethylmaterial material (25) pipe box is upper at one section of fuse (223), and crimping is connected with rear contact rod (222) with front contact rod (221) at fuse two ends, forms center conductor; Center conductor is inserted to one section of polytetrafluoroethylmaterial material sealing shroud (24), sealing shroud and forward and backward contact rod matched in clearance; The sealing shroud that is plugged center conductor is inserted in one section of metal outer pipe (21) to sealing shroud and metal outer pipe matched in clearance; Metal outer pipe after the above-mentioned insertion sealing shroud of undergauge equipment is carried out undergauge processing, and crush seal cover is filled between forward and backward contact rod and metal outer pipe sealing shroud sealing; Insert from the two ends of pipe joint (1) metal outer pipe (21) after undergauge is processed and the tubular shell A end of electric heating tube, electric heating tube exit conductor and front contact rod are threaded connection simultaneously, then by pipe joint, the tubular shell of metal outer pipe and electric heating tube are tightly connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410249985.1A CN104066214B (en) | 2014-06-06 | 2014-06-06 | Electric heating tube head encapsulating method |
| PCT/CN2014/093091 WO2015184755A1 (en) | 2014-06-06 | 2014-12-05 | Multi-functional protection connector for tube end of electric heating tube and sealing method for tube end of electric heating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410249985.1A CN104066214B (en) | 2014-06-06 | 2014-06-06 | Electric heating tube head encapsulating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104066214A true CN104066214A (en) | 2014-09-24 |
| CN104066214B CN104066214B (en) | 2015-12-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410249985.1A Active CN104066214B (en) | 2014-06-06 | 2014-06-06 | Electric heating tube head encapsulating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104066214B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104244478A (en) * | 2014-10-13 | 2014-12-24 | 安庆三维电器有限公司 | Electrically-heated pipe for defrosting evaporator in refrigerator |
| WO2015184755A1 (en) * | 2014-06-06 | 2015-12-10 | 镇江东方电热有限公司(中外合资) | Multi-functional protection connector for tube end of electric heating tube and sealing method for tube end of electric heating tube |
| CN105848318A (en) * | 2016-05-11 | 2016-08-10 | 镇江东方电热有限公司(中外合资) | Direct resistance type electric heater |
| CN112911740A (en) * | 2021-01-26 | 2021-06-04 | 郑剑锋 | Electric heating tube insulation sealing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06267641A (en) * | 1993-03-10 | 1994-09-22 | Kawai Denki Seisakusho:Kk | Sheath heater with temperature fuse subjected to bending process and its manufacture |
| CN101400194A (en) * | 2007-09-29 | 2009-04-01 | 江苏顺发电热材料有限公司 | Built-in double safety washing machine heating pipe and machining method thereof |
| CN201752143U (en) * | 2010-07-20 | 2011-02-23 | 镇江市沪扬电器成套有限公司 | Electric-heating pipe and cable connecting apparatus |
| CN203548884U (en) * | 2013-11-11 | 2014-04-16 | 杭州河合电器股份有限公司 | Electric heating pipe sealing structure for washing machine |
| CN203912225U (en) * | 2014-06-06 | 2014-10-29 | 镇江东方电热有限公司(中外合资) | Multifunctional protective connector for electric heating pipe head |
-
2014
- 2014-06-06 CN CN201410249985.1A patent/CN104066214B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06267641A (en) * | 1993-03-10 | 1994-09-22 | Kawai Denki Seisakusho:Kk | Sheath heater with temperature fuse subjected to bending process and its manufacture |
| CN101400194A (en) * | 2007-09-29 | 2009-04-01 | 江苏顺发电热材料有限公司 | Built-in double safety washing machine heating pipe and machining method thereof |
| CN201752143U (en) * | 2010-07-20 | 2011-02-23 | 镇江市沪扬电器成套有限公司 | Electric-heating pipe and cable connecting apparatus |
| CN203548884U (en) * | 2013-11-11 | 2014-04-16 | 杭州河合电器股份有限公司 | Electric heating pipe sealing structure for washing machine |
| CN203912225U (en) * | 2014-06-06 | 2014-10-29 | 镇江东方电热有限公司(中外合资) | Multifunctional protective connector for electric heating pipe head |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015184755A1 (en) * | 2014-06-06 | 2015-12-10 | 镇江东方电热有限公司(中外合资) | Multi-functional protection connector for tube end of electric heating tube and sealing method for tube end of electric heating tube |
| CN104244478A (en) * | 2014-10-13 | 2014-12-24 | 安庆三维电器有限公司 | Electrically-heated pipe for defrosting evaporator in refrigerator |
| CN105848318A (en) * | 2016-05-11 | 2016-08-10 | 镇江东方电热有限公司(中外合资) | Direct resistance type electric heater |
| CN112911740A (en) * | 2021-01-26 | 2021-06-04 | 郑剑锋 | Electric heating tube insulation sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104066214B (en) | 2015-12-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee after: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Address before: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee before: ZHENJIANG DONGFANG ELECTRIC HEATER Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230228 Address after: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee after: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Address before: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee before: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140924 Assignee: Jiangsu Oriental Ruiji Energy Equipment Co.,Ltd. Assignor: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Contract record no.: X2024320000007 Denomination of invention: Sealing method for electric heating tube head Granted publication date: 20151230 License type: Common License Record date: 20240228 |
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| EE01 | Entry into force of recordation of patent licensing contract |