CN2563880Y - Electric heating tube with built-in heat fuse - Google Patents
Electric heating tube with built-in heat fuse Download PDFInfo
- Publication number
- CN2563880Y CN2563880Y CN 02265343 CN02265343U CN2563880Y CN 2563880 Y CN2563880 Y CN 2563880Y CN 02265343 CN02265343 CN 02265343 CN 02265343 U CN02265343 U CN 02265343U CN 2563880 Y CN2563880 Y CN 2563880Y
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- CN
- China
- Prior art keywords
- lead
- thermal fuse
- out rod
- electric heating
- built
- 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 - Lifetime
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Abstract
The utility model relates to an electric heating tube of built-in thermal fuse, which comprises a plastic sleeve, a heating wire and a terminal, a thermal fuse is arranged between one end of an inner lead-out rod and one end of an outer lead-out rod, the other end of the inner lead-out rod is connected fixedly with the heating wire, the other end of the outer lead-out rod is connected with the terminal. The end face at one end of the inner lead-out rod and the outer lead-out rod is provided with small holes that are riveted with the lead-out wires at two ends of the thermal fuse. The outer circle of the thermal fuse is riveted with a copper sleeve. The utility model has the advantages that: the outer plastic sleeve ensures insulation and electrical strength between conductive portion and tub wall; riveting connection is made between the lead-out wire of thermal fuse and inner and outer lead-out rods, a copper sleeve with elastic clamping function is added to eliminate the fault that abnormal heating is generated between lead-out rod and the thermal fuse due to contact resistance; as the copper sleeve has good heat conductivity, the precision of the cutoff time can be improved and the reliability of overheating protection is also improved.
Description
Technical field
The utility model relates to the electric heating tube field, mainly relates to a kind of electric heating tube of built-in thermal cut-off.
Background technology
Present electric heating tube does not have overtemperature protection system mostly, in case electric heating tube dehydration dry combustion method will damage appliance arrangement, even can injure safety of human life; Overtemperature protection system is arranged, and temperature-controlled precision is not high, the reliability instability.
Summary of the invention
The utility model mainly provides a kind of electric heating tube that is used for effectively carrying out the built-in thermal cut-off of overtemperature protection.
The technical scheme that its technical problem that solves the utility model adopts.The electric heating tube of this built-in thermal cut-off, comprise plastic sheath, heating wire and terminals, be fixedly connected with thermal cut-off between one end of interior eduction rod and the end of outer eduction rod, the interior eduction rod other end is fixedlyed connected with heating wire, and the outer eduction rod other end is connected with terminals.
The technical scheme that its technical problem that solves the utility model adopts can also be further perfect.Have aperture on the end face of interior eduction rod and outer eduction rod one end, rivet with the lead-out wire at thermal cut-off two ends respectively.Riveted joint has copper sheathing on the cylindrical of thermal cut-off.
The effect that the utility model is useful is: the outer layer plastic cover has guaranteed insulation and the electrical strength between current-carrying part and tube wall; Thermal cut-off is drawn and is adopted the riveted joint connected mode between silk and the inside and outside eduction rod, adds the copper sheathing of band elasticity chucking function, leads to the failure because of contact resistance produces abnormal heating between eduction rod and thermal cut-off in can removing; Because the good thermal conductivity of copper sheathing can improve the precision of fusing time control, has improved the reliability of overtemperature protection.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of the utility model thermal cut-off part;
Embodiment:
Below in conjunction with embodiment the utility model is further described.Plant the electric heating tube of built-in thermal cut-off, comprise plastic sheath 8, heating wire 3 and terminals 4, be fixedly connected with thermal cut-off 5 between an end of interior eduction rod 1 and the end of outer eduction rod 2, riveted joint has copper sheathing 7 on the cylindrical of thermal cut-off 5.Have aperture 6 on the end face of interior eduction rod 1 and outer eduction rod 2 one ends, the lead-out wire 5-1 with thermal cut-off 5 two ends rivets respectively.Interior eduction rod 1 other end is fixedlyed connected with heating wire 3, and outer eduction rod 2 other ends are connected with terminals 4.Operation principle: in case electric heating tube dehydration dry combustion method, thermal cut-off 5 automatic disconnections, thus avoided the damage of equipment, the safety of protection lives and properties.
Claims (3)
1, a kind of electric heating tube of built-in thermal cut-off, comprise plastic sheath (8), heating wire (3) and terminals (4), it is characterized in that: be fixedly connected with thermal cut-off (5) between the end of an end of interior eduction rod (1) and outer eduction rod (2), interior eduction rod (1) other end is fixedlyed connected with heating wire (3), and outer eduction rod (2) other end is connected with terminals (4).
2, the electric heating tube of built-in thermal cut-off according to claim 1 is characterized in that: have aperture (6) on the end face of interior eduction rod (1) and outer eduction rod (2) one ends, rivet with the lead-out wire (5-1) at thermal cut-off (5) two ends respectively.
3, the electric heating tube of built-in thermal cut-off according to claim 1 and 2 is characterized in that: riveted joint has copper sheathing (7) on the cylindrical of thermal cut-off (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265343 CN2563880Y (en) | 2002-07-08 | 2002-07-08 | Electric heating tube with built-in heat fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265343 CN2563880Y (en) | 2002-07-08 | 2002-07-08 | Electric heating tube with built-in heat fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2563880Y true CN2563880Y (en) | 2003-07-30 |
Family
ID=33731378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02265343 Expired - Lifetime CN2563880Y (en) | 2002-07-08 | 2002-07-08 | Electric heating tube with built-in heat fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2563880Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104093227A (en) * | 2014-07-07 | 2014-10-08 | 杭州河合电器股份有限公司 | Novel electric heating tube with thermal fuses |
| CN104202854A (en) * | 2014-09-18 | 2014-12-10 | 青岛易特优电子有限公司 | Electric heating device with double built-in overheating protection devices |
| CN104780628A (en) * | 2015-01-27 | 2015-07-15 | 上海华族实业有限公司 | Thermal fusing type self-protective electric heating pipe |
| CN104797018A (en) * | 2015-01-27 | 2015-07-22 | 上海华族实业有限公司 | Electric heating tube provided with embedded temperature protection device |
| CN109618435A (en) * | 2018-12-25 | 2019-04-12 | 芜湖恒美电热器具有限公司 | Bar device is drawn in a kind of heating wire riveting |
-
2002
- 2002-07-08 CN CN 02265343 patent/CN2563880Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104093227A (en) * | 2014-07-07 | 2014-10-08 | 杭州河合电器股份有限公司 | Novel electric heating tube with thermal fuses |
| CN104202854A (en) * | 2014-09-18 | 2014-12-10 | 青岛易特优电子有限公司 | Electric heating device with double built-in overheating protection devices |
| CN104202854B (en) * | 2014-09-18 | 2016-02-24 | 青岛易特优电子有限公司 | A kind of electric heater unit of built-in pair of overheat protector |
| CN104780628A (en) * | 2015-01-27 | 2015-07-15 | 上海华族实业有限公司 | Thermal fusing type self-protective electric heating pipe |
| CN104797018A (en) * | 2015-01-27 | 2015-07-22 | 上海华族实业有限公司 | Electric heating tube provided with embedded temperature protection device |
| CN104780628B (en) * | 2015-01-27 | 2017-01-18 | 上海华族实业有限公司 | Thermal fusing type self-protective electric heating pipe |
| CN109618435A (en) * | 2018-12-25 | 2019-04-12 | 芜湖恒美电热器具有限公司 | Bar device is drawn in a kind of heating wire riveting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU HEHE ELECTRICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: HEHE ELECTRIC APPLIANCES (HANGZHOU) CO., LTD. Effective date: 20031010 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20031010 Patentee after: HANGZHOU KAWAI ELECTRICAL APPLIANCE CO., LTD. Patentee before: Hehe Electric Appliances (Hangzhou) Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHANG WEI Free format text: FORMER OWNER: HANGZHOU HEHE ELECTRICAL EQUIPMENT CO., LTD. Effective date: 20060602 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060602 Address after: 310053, Hangzhou, Hangzhou hi tech Jiang Industrial Park, 800 Zhejiang Road, Granville Granville electrical and Mechanical Co., Ltd. Patentee after: Zhang Wei Address before: 310053 Zhejiang city of Hangzhou Province Zhijiang High Technology Industrial Park, the New South Road, No. 2 Patentee before: HANGZHOU KAWAI ELECTRICAL APPLIANCE CO., LTD. |
|
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU REWEI ELECTROMECHANICS CO. LTD. Free format text: FORMER OWNER: ZHANG WEI Effective date: 20111214 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111214 Address after: 310053, Hangzhou hi tech Industrial Park, Zhejiang Province, No. 576 bin Kang Road Patentee after: Hangzhou Heatwell Mechanical & Electrical Co., Ltd. Address before: 310053, Hangzhou, Hangzhou hi tech Jiang Industrial Park, 800 Zhejiang Road, Granville Granville electrical and Mechanical Co., Ltd. Patentee before: Zhang Wei |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120708 Granted publication date: 20030730 |