CN210759223U - Thermal shrinkage tube sealing device of electrothermal tube - Google Patents
Thermal shrinkage tube sealing device of electrothermal tube Download PDFInfo
- Publication number
- CN210759223U CN210759223U CN201921806083.8U CN201921806083U CN210759223U CN 210759223 U CN210759223 U CN 210759223U CN 201921806083 U CN201921806083 U CN 201921806083U CN 210759223 U CN210759223 U CN 210759223U
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- waterproof layer
- waterproof
- tube
- layer
- insulator
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- 238000007789 sealing Methods 0.000 title claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 28
- 239000012212 insulator Substances 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000005253 cladding Methods 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 10
- 238000005485 electric heating Methods 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000004831 Hot glue Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 19
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 229910001220 stainless steel Inorganic materials 0.000 description 12
- 239000010935 stainless steel Substances 0.000 description 12
- 239000000565 sealant Substances 0.000 description 10
- 239000003365 glass fiber Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- 229920001296 polysiloxane Polymers 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
Abstract
The utility model provides a thermal shrinkage tube sealing device of an electrothermal tube, which comprises a heating part and a waterproof part, wherein the waterproof part comprises a first waterproof layer, a second waterproof layer and a third waterproof layer; first waterproof layer, second waterproof layer and third waterproof layer comprise pyrocondensation pipe and waterproof glue, waterproof glue sets up in the pyrocondensation pipe, the cladding of first waterproof layer is in the one end that the wire of electrothermal tube links to each other with the welding terminal, on welding terminal and cold needle, the second waterproof layer covers at the insulator, first waterproof layer, serve with the one that the welding terminal links to each other on the wire, third waterproof layer cladding is on the one end and the second waterproof layer that link to each other with the insulator on the electrothermal tube, the upper end of second waterproof layer exposes the upper end of third waterproof layer, the lower extreme setting of second waterproof layer is inside the third waterproof layer, the utility model discloses be provided with the three-layer waterproof layer, water-proof effects is good, through setting up the second waterproof layer, makes the third waterproof layer can tighten the wire, further.
Description
Technical Field
The utility model relates to an air conditioner refrigeration field, concretely relates to pyrocondensation pipe closing device of electrothermal tube.
Background
The connecting mode of the stainless steel leading-out rod and the soft lead copper core of the original electric heating pipe is as follows: the right end external thread of the stainless steel leading-out rod is screwed into the internal thread of the copper joint, and the copper joint is in compression joint with the copper core of the flexible conductor. And injecting sealant on the stainless steel leading-out rod and the outer edge of the copper joint, and sleeving the alkali-free glass fiber sleeve. And injecting sealant into the gap between the end face of the filled magnesium oxide powder and the end face of the alkali-free glass fiber sleeve and the gap between the inner edge of the stainless steel protective sleeve and the alkali-free glass fiber sleeve. And sealant is injected between the right end face of the alkali-free glass fiber sleeve and the copper joint and the end face of the flexible lead.
However, the copper joint is connected with the copper core of the flexible conductor in a compression joint mode, the outer edge of the copper joint is large, the outer edge of the copper joint is sleeved with the alkali-free glass fiber sleeve, the gap between the outer edge of the copper joint and the inner edge of the alkali-free glass fiber sleeve is small, the sealant injected into the outer circle of the copper joint is extruded to the gap between the outer edge of the stainless steel leading-out rod with the large gap and the inner edge of the alkali-free glass fiber sleeve, the alkali-free glass fiber sleeve and the sealant injected between the right end face of the copper joint and the end face of the flexible conductor form a solitary pile, the sealant is prone to crack at the gap under the action of assembly or other external force factors, moisture enters from the cracked position, the insulating property of the electric heating pipe is reduced.
An electric heating tube is disclosed in the patent document with the Chinese application number of 201310358407.7 and the publication number of 2013.11.20, and comprises a flexible lead, a heating wire, a stainless steel leading-out rod, 703 sealant, a silicone fiber sleeve and an environment-friendly heat shrink tube. Is characterized in that: and processing an external thread at the left end of the stainless steel leading-out rod, and sleeving a spiral electric heating wire at the external thread for spot welding. And at the right end of the stainless steel leading-out rod, performing argon arc welding on the stainless steel leading-out rod and the soft lead copper core. 703 sealant is injected into the stainless steel leading-out rod, the soft lead copper core and the outer circle of the welding position, and a silicone fiber sleeve is sleeved on the stainless steel leading-out rod, the soft lead copper core and the outer circle of the welding position. And injecting 703 sealant between the right end face of the silicone fiber sleeve and the end face of the flexible lead. An environment-friendly heat shrinkable tube is sleeved on the outer edges of the silicone fiber sleeve and a part of the flexible lead. The electric heating wire of the electric heating pipe is well connected with the stainless steel leading-out rod, and the electric heating wire cannot be burnt out. The insulating property of the electric heating pipe can not be reduced, and the special air conditioner can work normally without electric shock hazard.
However, in the above structure, 703 sealant is injected into each connecting piece end of the heating pipe, and then an environment-friendly heat-shrinkable tube is sleeved on the outer edges of the silicone fiber sleeve and part of the flexible leads, only the environment-friendly heat-shrinkable tube is wrapped outside the flexible leads, the copper core of the flexible lead is wrapped only by the silicone fiber sleeve, and if the environment-friendly heat-shrinkable tube is punctured from the outside, the environment-friendly heat-shrinkable tube is cracked and easily falls off, so that the waterproof effect of the heating pipe is poor.
Disclosure of Invention
The utility model provides a pyrocondensation pipe closing device of electrothermal tube that water-proof effects is good.
In order to achieve the above purpose, the technical scheme of the utility model is that: a heat shrink tube sealing device of an electric heating tube comprises a heating part and a waterproof part, wherein the waterproof part covers the heating part, the heating part comprises the electric heating tube, a welding terminal, a cold needle and a lead, the lead is connected with the welding terminal, the welding terminal is connected with the cold needle, the cold needle is connected with an insulator, the insulator is connected with the electric heating tube, and the waterproof part comprises a first waterproof layer, a second waterproof layer and a third waterproof layer; first waterproof layer, second waterproof layer and third waterproof layer are become by pyrocondensation pipe and waterproof glue, waterproof glue sets up in the pyrocondensation pipe, first waterproof layer cladding is in the one end that wire and welding terminal link to each other, on welding terminal and the cold needle, the second waterproof layer covers at the insulator, serve with the one that welding terminal links to each other on first waterproof layer and the wire, third waterproof layer cladding is on one end and the second waterproof layer that links to each other with the insulator on the electrothermal tube, the upper end of second waterproof layer exposes the upper end of third waterproof layer, the lower extreme setting of second waterproof layer is inside third waterproof layer.
Due to the arrangement, the three waterproof layers are arranged, so that the waterproof effect is good; through setting up first waterproof layer, will expose and have the butt-joint terminal of edges and corners and cold needle cladding, avoid the acute angle of butt-joint terminal or the burr that the welding produced to pierce through outer pyrocondensation pipe, make the insulation inefficacy. Meanwhile, gaps exist among copper wires in the wires, and water vapor can flow into the electric heating tube from the gaps through the welding terminals, the cold pins and the insulating layers.
The third waterproof layer is arranged to coat the electric heating tube, the welding terminal and the second waterproof layer, so that a comprehensive coating effect is achieved; set up the second waterproof layer between first waterproof layer and third waterproof layer, the second waterproof layer cladding plays the insulating effect on insulator, first layer pyrocondensation pipe and wire, prevents that the insulator from cutting through third waterproof layer, can increase the external diameter at wire position simultaneously for wire position cladding is inseparable, because outmost pyrocondensation pipe is too big, and the shrink is limited, can't directly wrap up the wire, so set up the transition of second waterproof layer, can further strengthen water-proof effects. Through exposing the upper end of second waterproof layer with the upper end of third waterproof layer, the lower extreme setting of second waterproof layer is in the third waterproof layer, and the second waterproof layer has a position not to expose through the second layer waterproof layer inside the third waterproof layer for outermost layer waterproof layer can be used in the fixed part of second layer waterproof layer better, increases the cohesiveness of three-layer waterproof layer, and the material has been saved simultaneously again to the external diameter at increase wire position simultaneously.
Further, the waterproof adhesive is hot melt adhesive. When the heat shrinkable tube is heated and shrunk, the hot melt adhesive is melted simultaneously, and all parts in the heat shrinkable tube are bonded and sealed firmly, so that the waterproof effect is good.
Furthermore, the coating length of the third waterproof layer is larger than that of the second waterproof layer. Above setting, can increase the waterproof range of outermost waterproof layer.
Furthermore, the coating length of the second waterproof layer is larger than that of the first waterproof layer. Through the arrangement, the second waterproof layer can be effectively coated outside the first waterproof layer.
Further, the first waterproof layer is integrally arranged inside the second waterproof layer. The above arrangement allows multiple protections for critical components.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, a heat-shrinkable tube sealing device of an electrical heated tube comprises a heating portion 1 and a waterproof portion 2, wherein the waterproof portion 2 covers the heating portion 1, the heating portion 1 comprises an electrical heated tube 11, a welding terminal 12, a cold pin 13, an insulator 14 and a wire 15, the wire 15 is connected with the welding terminal 12, the welding terminal 12 is connected with the cold pin 13, the cold pin 13 is connected with the insulator 14, the insulator 14 is connected with the electrical heated tube 11, and the waterproof portion 2 comprises a first waterproof layer 21, a second waterproof layer 22 and a third waterproof layer 23; first waterproof layer 21, second waterproof layer 22 and third waterproof layer 23 comprise pyrocondensation pipe and waterproof glue, and waterproof glue sets up in the pyrocondensation pipe, and waterproof glue is the hot melt adhesive, and the hot melt adhesive is current material, does not describe here again, and during the pyrocondensation pipe heating shrinkage, the hot melt adhesive melts simultaneously, bonds each part of the intraduct of pyrocondensation and seals firmly, and water-proof effects is good. The heat shrink tubing and waterproof glue are not shown in the figures;
the coating length of the third waterproof layer 23 is longer than that of the second waterproof layer 22, and the coating length of the second waterproof layer 22 is longer than that of the first waterproof layer 21.
The first waterproof layer 21 is coated on one end of the lead 15 connected with the welding terminal 12, the welding terminal 12 and the cold pin 13, the second waterproof layer 22 is coated on one end of the insulator 14, the first waterproof layer 21 and the lead 15 connected with the welding terminal 12, and the first waterproof layer 21 is integrally arranged inside the second waterproof layer 22.
The third waterproof layer 23 covers the second waterproof layer 22 and the end of the electrothermal tube 11 connected with the insulator 14. The upper end of the second waterproof layer 22 exposes the upper end of the third waterproof layer 23, and the lower end of the second waterproof layer 22 is disposed inside the third waterproof layer 23. Thus, the coating length of the second waterproof layer 22 on the lead part is longer than that of the third waterproof layer 23 on the lead part, and some parts of the second waterproof layer 22 are not in the third waterproof layer 23, so that the outer diameter of the lead part is increased and the material is saved.
The utility model has the advantages that the waterproof effect is good by arranging three waterproof layers; through setting up first waterproof layer, will expose and have the butt-joint terminal of edges and corners and cold needle cladding, avoid the acute angle of butt-joint terminal or the burr that the welding produced to pierce through outer pyrocondensation pipe, make the insulation inefficacy. Meanwhile, gaps exist among copper wires in the wires, and water vapor can flow into the electric heating tube from the gaps through the welding terminals, the cold pins and the insulating layers. The third waterproof layer is arranged to coat the electric heating tube, the welding terminal and the second waterproof layer, so that a comprehensive coating effect is achieved; set up the second waterproof layer between first waterproof layer and third waterproof layer, the second waterproof layer cladding plays the insulating effect on insulator, first layer pyrocondensation pipe and wire, prevents that the insulator from cutting through third waterproof layer, can increase the external diameter at wire position simultaneously for wire position cladding is inseparable, because outmost pyrocondensation pipe is too big, and the shrink is limited, can't directly wrap up the wire, so set up the transition of second waterproof layer, can further strengthen water-proof effects. Through exposing the upper end of second waterproof layer with the upper end of third waterproof layer, the lower extreme setting of second waterproof layer is in the third waterproof layer, and the second waterproof layer has a position not to expose through the second layer waterproof layer inside the third waterproof layer for outermost layer waterproof layer can be used in the fixed part of second layer waterproof layer better, increases the cohesiveness of three-layer waterproof layer, and the material has been saved simultaneously again to the external diameter at increase wire position simultaneously. Meanwhile, when the heat shrinkable tube is heated and shrunk, the hot melt adhesive is melted at the same time, and all parts in the heat shrinkable tube are bonded and sealed firmly, so that the waterproof effect is good.
Claims (5)
1. The utility model provides a pyrocondensation pipe closing device of electrothermal tube, includes heating portion and waterproof portion, waterproof portion covers on heating portion, and heating portion includes electrothermal tube, solder terminal, cold needle, insulator and wire, and the wire is connected with solder terminal, and solder terminal is connected with the cold needle, and the cold needle is connected with the insulator, and the insulator is connected with the electrothermal tube, its characterized in that: the waterproof part comprises a first waterproof layer, a second waterproof layer and a third waterproof layer; the first waterproof layer, the second waterproof layer and the third waterproof layer are all composed of a heat shrinkable tube and waterproof glue, and the waterproof glue is arranged in the heat shrinkable tube; the first waterproof layer cladding is on the wire with the one end that the welding terminal links to each other, welding terminal and cold needle, the second waterproof layer cladding is served with the one that links to each other with welding terminal on insulator, first waterproof layer and wire, the cladding of third waterproof layer is on the one end that links to each other with the insulator on the electrothermal tube and second waterproof layer, the upper end of second waterproof layer exposes the upper end of third waterproof layer, the lower extreme setting of second waterproof layer is inside the third waterproof layer.
2. The heat shrinkable tube sealing device of an electric heating tube as claimed in claim 1, wherein: the waterproof adhesive is hot melt adhesive.
3. The heat shrinkable tube sealing device of an electric heating tube as claimed in claim 1, wherein: the coating length of the third waterproof layer is larger than that of the second waterproof layer.
4. The heat shrinkable tube sealing device of an electric heating tube as claimed in claim 2, wherein: the coating length of the second waterproof layer is longer than that of the first waterproof layer.
5. A heat shrinkable tube sealing device of an electric heating tube as claimed in claim 3, wherein: the first waterproof layer is integrally arranged inside the second waterproof layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921806083.8U CN210759223U (en) | 2019-10-24 | 2019-10-24 | Thermal shrinkage tube sealing device of electrothermal tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921806083.8U CN210759223U (en) | 2019-10-24 | 2019-10-24 | Thermal shrinkage tube sealing device of electrothermal tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210759223U true CN210759223U (en) | 2020-06-16 |
Family
ID=71064477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921806083.8U Active CN210759223U (en) | 2019-10-24 | 2019-10-24 | Thermal shrinkage tube sealing device of electrothermal tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210759223U (en) |
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2019
- 2019-10-24 CN CN201921806083.8U patent/CN210759223U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240110 Address after: No. 41 Dawang Avenue, Zhaoqing High tech Zone, Guangzhou City, Guangdong Province, 526238, Building C37 # of Zhaoqing Wanyang Creative City Patentee after: Guangdong Jianlong Electrical Appliance Manufacturing Co.,Ltd. Address before: 510800 first floor, Jianlong building, No. 59 Fengshen Avenue, Xinhua Street, Guangzhou, Guangdong Patentee before: GUANGZHOU JIANLONG ELECTRIC APPLIANCE Co.,Ltd. |
|
| TR01 | Transfer of patent right |