CN104093227A - Novel electric heating tube with thermal fuses - Google Patents
Novel electric heating tube with thermal fuses Download PDFInfo
- Publication number
- CN104093227A CN104093227A CN201410321193.0A CN201410321193A CN104093227A CN 104093227 A CN104093227 A CN 104093227A CN 201410321193 A CN201410321193 A CN 201410321193A CN 104093227 A CN104093227 A CN 104093227A
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- eduction rod
- metal tube
- tube
- electric heating
- heating tube
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Abstract
The invention discloses a novel electric heating tube with thermal fuses. The novel electric heating tube comprises a metal tube, outer lead-out rods and inner lead-out rods. According to the structure of one end of the electric heating tube, the outer lead-out rod A, the thermal fuse A and the inner lead-out rod A are fixedly connected with one another in a riveted mode, and the inner lead-out rod A is connected with a resistance wire; a rubber sleeve A is arranged between the outer side of the outer lead-out rod A, the thermal fuse A and the inner lead-out rod A and the inner wall of the metal tube in a sleeved mode and used for ensuring insulating performance between the thermal fuse A and the metal tube; a plastic stop dog 5 penetrates through the inner lead-out rod A and is attached to the lower portion of the rubber sleeve A; the tube wall of the metal tube below the plastic stop dog is provided with a roll groove for fixing the plastic stop dog. The novel electric heating tube with the thermal fuses has the advantages that through the integrated design of the rubber sleeve and the knurling or similar processing process of the lead-out rods, the performance of the heating tube can be ensured, sealing of the end of the heating tube is achieved, the cost is effectively lowered, and the production efficiency is improved.
Description
Technical field
The present invention relates to electric heating tube field, is mainly a kind of novel electric heating tube with thermal cut-off.
Background technology
Electric heating tube with thermal cut-off design at present, internal heat fuse insulating adopts plastic sheath, need to there be plastic insulation terminal heating tube end, both absolute construction, and between insulated terminal and electric heating tube metal pipe-wall, need to fix by the mode such as glue or riveted joint, this design cost is high, the production cycle is long, and efficiency is low.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, and a kind of novel electric heating tube with thermal cut-off is provided.
The object of the invention is to complete by following technical solution.This novel electric heating tube with thermal cut-off, comprises metal tube, outer eduction rod and interior eduction rod, and an end structure of this electric heating tube is: outer eduction rod A, thermal cut-off A are fixedly connected with interior eduction rod A riveted joint, and interior eduction rod A is connected with resistance wire; Rubber sleeve A is sleeved between outer eduction rod A, thermal cut-off A and the outside of interior eduction rod A and the inwall of metal tube, for ensureing the insulation property between thermal cut-off A and metal tube; Plastics block 5 passes interior eduction rod A, and is adjacent to rubber sleeve A bottom, on the tube wall of the metal tube of described plastics block below, is provided with the slot rolling for fixed plastics block; On outer eduction rod A, there is annular knurl A, on the tube wall of metal tube corresponding to the upper annular knurl A of outer eduction rod A place, be provided with the reducing position A for compression process, make to form hermetically-sealed construction between outer eduction rod A, rubber sleeve A and metal tube.
As preferably, the other end structure of this electric heating tube is: outer eduction rod B, thermal cut-off B are fixedly connected with interior eduction rod B riveted joint, on outer eduction rod B, have annular knurl B, and interior eduction rod B is connected with resistance wire; Rubber sleeve B is sleeved between outer eduction rod B, thermal cut-off B and the outside of interior eduction rod B and the inwall of metal tube, for ensureing the insulation property between thermal cut-off B and metal tube; On the tube wall of metal tube corresponding to the upper annular knurl B of outer eduction rod B place, be provided with the reducing position B for compression process, make to form hermetically-sealed construction between outer eduction rod B, rubber sleeve B and metal tube.
As preferably, the other end structure of this electric heating tube is: on outer eduction rod B, have annular knurl B, outer eduction rod B is connected with resistance wire, and rubber sleeve B is sleeved between the outside of outer eduction rod B and the inwall of metal tube; On the tube wall of metal tube corresponding to the upper annular knurl B of outer eduction rod B place, be provided with the reducing position B for compression process, make to form hermetically-sealed construction between outer eduction rod B, rubber sleeve B and metal tube.
Beneficial effect of the present invention is: by annular knurl or the similar treatment process of the integrated design to rubber sleeve and eduction rod, can ensure the performance of heating tube, realize again the sealing problem of heating tube end, effectively reduce costs, enhance productivity simultaneously.
Brief description of the drawings
Fig. 1 is one end structural representation of electric heating tube of the present invention;
Fig. 2 is other end structural representation Fig. 1 of electric heating tube of the present invention;
Fig. 3 is other end structural representation Fig. 1 of electric heating tube of the present invention.
Description of reference numerals: 1-outer eduction rod A, 1-1-annular knurl A, 2-rubber sleeve A, 3-metal tube, 4-thermal cut-off A, 5-plastics block, 6-interior eduction rod A, 7-reducing position A, 8-slot rolling, 9-outer eduction rod B, 9-1-annular knurl B, 10-rubber sleeve B, 11-thermal cut-off B, 12-interior eduction rod B, 13-reducing position B, 14-resistance wire.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done to detailed introduction:
Embodiment 1: as shown in Figure 1-2, the invention discloses a kind of novel electric heating tube with thermal cut-off, comprise metal tube 3, outer eduction rod and interior eduction rod, one end structure of this electric heating tube is: outer eduction rod A1, thermal cut-off A4 are fixedly connected with interior eduction rod A6 riveted joint, and interior eduction rod A6 is connected with resistance wire 14; Rubber sleeve A2 is sleeved between the outside of outer eduction rod A1, thermal cut-off A4 and interior eduction rod A6 and the inwall of metal tube 3, for ensureing the insulation property between thermal cut-off A4 and metal tube 3; Plastics block 5 passes interior eduction rod A6, and is adjacent to rubber sleeve A2 bottom, on the tube wall of the metal tube 3 of described plastics block 5 belows, is provided with the slot rolling 8 for fixed plastics block 5; (annular knurl is processed or similar treatment process on outer eduction rod A1, annular knurl A1-1, its objective is and prevent that outer eduction rod A1 from rotating, and make to connect tightr), on the tube wall of metal tube 3 corresponding to the upper annular knurl A1-1 of outer eduction rod A1 place, be provided with the reducing position A7 (compacting or similarly treatment process) for compression process, make to form hermetically-sealed construction between outer eduction rod A1, rubber sleeve A2 and metal tube 3.The other end structure of this electric heating tube is: outer eduction rod B9, thermal cut-off B11 are fixedly connected with interior eduction rod B12 riveted joint, on outer eduction rod B9, have annular knurl B9-1 (annular knurl is processed or similar treatment process), interior eduction rod B12 is connected with resistance wire 14; Rubber sleeve B10 is sleeved between the outside of outer eduction rod B9, thermal cut-off B11 and interior eduction rod B12 and the inwall of metal tube 3, for ensureing the insulation property between thermal cut-off B11 and metal tube 3; On the tube wall of metal tube 3 corresponding to the upper annular knurl B9-1 of outer eduction rod B9 place, be provided with the reducing position B13 (compacting or similarly treatment process) for compression process, make to form hermetically-sealed construction between outer eduction rod B9, rubber sleeve B10 and metal tube 3.
Embodiment 2: as shown in Figure 1-Figure 3, be with the difference of embodiment 1: the other end structure of this electric heating tube is: on outer eduction rod B9, have annular knurl B9-1 (annular knurl is processed or similar treatment process), outer eduction rod B9 is connected with resistance wire 14, and rubber sleeve B10 is sleeved between the outside of outer eduction rod B9 and the inwall of metal tube 3; On the tube wall of metal tube 3 corresponding to the upper annular knurl B9-1 of outer eduction rod B9 place, be provided with the reducing position B13 (compacting or similarly treatment process) for compression process, make to form hermetically-sealed construction between outer eduction rod B9, rubber sleeve B10 and metal tube 3.
The present invention is not limited to above-mentioned execution mode, no matter do any variation in its shape or material formation, every employing structural design provided by the present invention, is all a kind of distortion of the present invention, all should think within protection range of the present invention.
Claims (3)
1. the novel electric heating tube with thermal cut-off, comprise metal tube (3), outer eduction rod and interior eduction rod, it is characterized in that: an end structure of this electric heating tube is: outer eduction rod A (1), thermal cut-off A (4) are fixedly connected with interior eduction rod A (6) riveted joint, and interior eduction rod A (6) is connected with resistance wire (14); Rubber sleeve A (2) is sleeved between the outside of outer eduction rod A (1), thermal cut-off A (4) and interior eduction rod A (6) and the inwall of metal tube (3), for ensureing the insulation property between thermal cut-off A (4) and metal tube (3); Plastics block (5) is through interior eduction rod A (6), and be adjacent to rubber sleeve A (2) bottom, on the tube wall of the metal tube (3) of described plastics block (5) below, be provided with the slot rolling (8) for fixed plastics block (5); On outer eduction rod A (1), there is annular knurl A (1-1), the upper annular knurl A (1-1) of outer eduction rod A (1) locates to be provided with the reducing position A (7) for compression process on the tube wall of corresponding metal tube (3), makes to form hermetically-sealed construction between outer eduction rod A (1), rubber sleeve A (2) and metal tube (3).
2. the novel electric heating tube with thermal cut-off according to claim 1, it is characterized in that: the other end structure of this electric heating tube is: outer eduction rod B (9), thermal cut-off B (11) are fixedly connected with interior eduction rod B (12) riveted joint, on outer eduction rod B (9), have annular knurl B (9-1), interior eduction rod B (12) is connected with resistance wire (14); Rubber sleeve B (10) is sleeved between the outside of outer eduction rod B (9), thermal cut-off B (11) and interior eduction rod B (12) and the inwall of metal tube (3), for ensureing the insulation property between thermal cut-off B (11) and metal tube (3); The upper annular knurl B (9-1) of outer eduction rod B (9) locates to be provided with the reducing position B (13) for compression process on the tube wall of corresponding metal tube (3), makes to form hermetically-sealed construction between outer eduction rod B (9), rubber sleeve B (10) and metal tube (3).
3. the novel electric heating tube with thermal cut-off according to claim 1, it is characterized in that: the other end structure of this electric heating tube is: on outer eduction rod B (9), have annular knurl B (9-1), outer eduction rod B (9) is connected with resistance wire (14), and rubber sleeve B (10) is sleeved between the outside of outer eduction rod B (9) and the inwall of metal tube (3); The upper annular knurl B (9-1) of outer eduction rod B (9) locates to be provided with the reducing position B (13) for compression process on the tube wall of corresponding metal tube (3), makes to form hermetically-sealed construction between outer eduction rod B (9), rubber sleeve B (10) and metal tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321193.0A CN104093227A (en) | 2014-07-07 | 2014-07-07 | Novel electric heating tube with thermal fuses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321193.0A CN104093227A (en) | 2014-07-07 | 2014-07-07 | Novel electric heating tube with thermal fuses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104093227A true CN104093227A (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410321193.0A Pending CN104093227A (en) | 2014-07-07 | 2014-07-07 | Novel electric heating tube with thermal fuses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104093227A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104703304A (en) * | 2015-02-11 | 2015-06-10 | 杭州热威机电有限公司 | Electrical heated tube with over-heating 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 |
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 |
| CN2563880Y (en) * | 2002-07-08 | 2003-07-30 | 河合电器(杭州)有限公司 | Electric heating tube with built-in heat fuse |
| CN102938947A (en) * | 2012-11-16 | 2013-02-20 | 杭州佐帕斯工业有限公司 | Electric heating tube with overheat protector and two ends pressed hermetically |
| 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 |
| CN204014117U (en) * | 2014-07-07 | 2014-12-10 | 杭州河合电器股份有限公司 | The novel electric heating tube with thermal cut-off |
-
2014
- 2014-07-07 CN CN201410321193.0A patent/CN104093227A/en active Pending
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 |
| CN2563880Y (en) * | 2002-07-08 | 2003-07-30 | 河合电器(杭州)有限公司 | Electric heating tube with built-in heat fuse |
| CN102938947A (en) * | 2012-11-16 | 2013-02-20 | 杭州佐帕斯工业有限公司 | Electric heating tube with overheat protector and two ends pressed hermetically |
| 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 |
| CN204014117U (en) * | 2014-07-07 | 2014-12-10 | 杭州河合电器股份有限公司 | The novel electric heating tube with thermal cut-off |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104703304A (en) * | 2015-02-11 | 2015-06-10 | 杭州热威机电有限公司 | Electrical heated tube with over-heating 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 |
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Application publication date: 20141008 |