CN211406301U - Anti-breakdown leakage sealing and fastening device for electric heating pipe - Google Patents
Anti-breakdown leakage sealing and fastening device for electric heating pipe Download PDFInfo
- Publication number
- CN211406301U CN211406301U CN202020390349.1U CN202020390349U CN211406301U CN 211406301 U CN211406301 U CN 211406301U CN 202020390349 U CN202020390349 U CN 202020390349U CN 211406301 U CN211406301 U CN 211406301U
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- China
- Prior art keywords
- electric heating
- heating pipe
- sealing
- pipe
- breakdown
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- 238000007789 sealing Methods 0.000 title claims abstract description 69
- 238000005485 electric heating Methods 0.000 title claims abstract description 56
- 238000003466 welding Methods 0.000 claims abstract description 19
- 230000004927 fusion Effects 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 5
- 230000015556 catabolic process Effects 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052582 BN Inorganic materials 0.000 claims description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 6
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model relates to an electric heating pipe breakdown-preventing leaks sealed fastener, including the sleeve pipe, breakdown-preventing sealed lid, the sealing member, electric heating pipe, the tube sheet, the terminal box bottom plate, fixing fastener, sheathed tube right-hand member and tube sheet welded seal are fixed, the left end passes through fixing fastener with the terminal box bottom plate and seals fixedly, the sheathed tube inner chamber is pegged graft and is had electric heating pipe, the sheathed tube is provided with the sealing member in the leftmost side, the sleeve pipe, electric heating pipe, sealing member three left side flushes, fusion welding is in the same place, it is whole to airtight formation, make the heating medium on tube sheet right side can't leak. The inner cavity of the electric heating tube is filled with powdery filler. The sealing member is installed with the NPT thread fit of the breakdown-preventing sealing cover, and when a fusion welding part or the pipe wall of the heating pipe is damaged, the leakage and plugging functions can be realized. The utility model provides a single heating pipe take place to damage and reveal, will cause the unable problem of using of holistic electric heater.
Description
Technical Field
The utility model relates to an electric heating pipe prevents that breakdown leaks technical field, specifically is an electric heating pipe prevents that breakdown leaks sealed fastener.
Background
At present, conventional heaters on the market are all composed of a plurality of electric heating pipes, if one electric heating pipe is damaged and leaked, the integral electric heater cannot be used, the heater is required to be integrally disassembled and repaired to make a factory repair, great troubles are caused, meanwhile, normal production in the aspect of an owner is delayed, and immeasurable economic loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an electric heating pipe breakdown-prevention leaks sealed fastener has solved single heating pipe and has taken place to damage and reveal, will cause the unable problem of using of holistic electric heater.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides an electric heating pipe prevents that breakdown leaks sealed fastener, includes sleeve pipe and prevents that breakdown seals lid, the sheathed tube inner chamber is pegged graft and is had electric heating pipe, the sealing member is installed in sheathed tube left side, and the sealing member is located electric heating pipe's left side, the sealing member is installed with the sealed cooperation of breakdown seals, electric heating pipe's inner chamber is filled there is likepowder filler.
In the sealing and fastening device for preventing the electric heating pipe from being broken through and leaking, the outer wall of the sealing element is provided with the NPT external thread.
In the anti-breakdown leakage sealing and fastening device for the electric heating pipe, a joint of an inner cavity of the anti-breakdown sealing cover and the sealing element is provided with the matched NPT internal thread.
According to the anti-breakdown leakage sealing and fastening device for the electric heating pipe, the anti-breakdown sealing cover is in threaded fastening connection with the sealing piece through the NPT internal thread and the NPT external thread, the NPT thread is an American standard 60-degree taper pipe thread, the sealing degree is higher than that of a common thread, and gas or liquid in an inner cavity of the container can be prevented from leaking through the anti-breakdown sealing cover and the sealing piece.
In the sealing and fastening device for preventing the electric heating pipe from penetrating and leaking, the sleeve and the pipe orifice of the electric heating pipe are flush with the left port of the sealing element.
According to the anti-breakdown leakage sealing and fastening device for the electric heating pipe, the sleeve, the pipe orifice of the electric heating pipe and the end face of the sealing element are welded and sealed through fusion welding, the sealing performance is improved through the welding mode of the sleeve, the electric heating pipe and the sealing element, and gas or liquid in the inner cavity of the container is prevented from leaking.
In the above sealing and fastening device for preventing electric heating tube from penetrating and leaking, the powdered filler is one of magnesium oxide powder or boron nitride powder, and the mohs hardness of boron nitride: 5-6, Mohs hardness of magnesium oxide powder: 5-6, because the compactness in the tube needs to be controlled when the heating tube is manufactured, and the compactness when the magnesium oxide powder and the boron nitride powder are manufactured is about 2.38g/cm3The performance of the internal heating resistance wire is not damaged and reduced.
The utility model has the advantages that: the utility model has the advantages of reasonable design, the core of this device has just welded the sealing member and is equipped with corresponding protection against shock and wears the shutoff and seals up lid at the sleeve pipe mouth of pipe, electric heating pipe during operation can peg graft at sheathed tube inner chamber, it is sealed through the fusion welding with the terminal surface three of sealing member at the mouth of pipe of sleeve pipe and electric heating pipe, prevent on the one hand that gas or liquid in the working container from revealing at fusion welding department from heating pipe and sleeve pipe clearance, on the other hand also can prevent that gas or liquid medium among the working container from corroding and pierce through the heating pipe outer wall, leak out from the magnesium oxide powder. Meanwhile, the anti-puncture sealing cover is equipped, if leakage occurs, NPT threads between the sealing cover and the sealing piece are screwed and sealed through anti-puncture, the medium which can effectively seal gas or liquid in the working container is leaked to the outside from a fusion welding position, the sealing is tight, the heated medium in the container can not be leaked, the possibility of danger is reduced, the whole electric heater is not needed to be replaced for repair, meanwhile, the detached power supply is connected to a standby electric heating pipe in the electric heater, the electric heater can be normally used, no negative effect is caused, and the problem that the whole electric heater can not be used due to the fact that the single heating pipe is damaged and leaked is solved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the installation structure of the present invention.
In the figure: 1. heating tube sleeve, 2, electric heating tube, 3, sealing element, 4, fixing element, 5, powder filling, 6, anti-puncture sealing cover, 7, fusion welding, 8, wiring board bottom box, 9, tube plate, 10, electric wiring area, 11, atmosphere area, 12 and container inner area.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1: the utility model provides an electric heating pipe prevents that breakdown leaks sealed fastener, including sleeve pipe 1 and the sealed lid 6 of preventing breakdown, sleeve pipe 1's inner chamber is pegged graft and is had electric heating pipe 2, sealing member 3 is installed in sleeve pipe 1's left side, the mouth of pipe of sleeve pipe 1 and electric heating pipe 2 flushes with the left side port of sealing member 3 mutually, the mouth of pipe of sleeve pipe 1 and electric heating pipe 2 and the terminal surface three of sealing member 3 pass through fusion welding 7 welded seal, and sealing member 3 is located electric heating pipe 2's left side, the outer wall of sealing member 3 is provided with the NPT external screw thread, sealing member 3 and the sealed lid 6 cooperation installation of preventing breakdown, the inner chamber of the sealed lid 6 of preventing breakdown is provided with the matched with internal thread with the junction of sealing member 3, the sealed lid 6 of preventing breakdown passes through NPT internal thread and NPT external screw.
Referring to fig. 2: a sealing and fastening device for preventing the puncture and leakage of an electric heating pipe comprises a sleeve pipe 1, a right end 7 of the sleeve pipe 1 is welded in an inner cavity of a pipe plate 9 in a fusion welding mode, an electric heating pipe 2 is inserted in the inner cavity of the sleeve pipe 1 in a splicing mode, a fixing piece 4 is installed on the left side of the sleeve pipe 1 and is located on the right side of a sealing piece 3, the left side of the electric heating pipe 2 is fixed on a wiring board bottom box 8 through the fixing piece 4, at the moment, the front, middle and rear parts of the electric heating pipe 2 respectively fall in an electric wiring area 10, an atmospheric area 11 and an area 12 in a container, the pipe openings of the sleeve pipe 1 and the electric heating pipe 2 and the end face of the sealing piece 3 are sealed in a fusion welding and welding mode, a medium in the area 12 in the container can be prevented from leaking to the electric wiring area 10, when the fusion welding, further preventing the medium in the container interior region 12 from leaking into the electrical connection region 10.
To sum up, the utility model discloses when using, the core of this device is exactly at the sleeve pipe 1 mouth of pipe welded sealing member 3 and be equipped with corresponding protection against attack and wear the sealed lid 6 of shutoff, electric heating pipe 2 during operation can peg graft at sleeve pipe 1's inner chamber, it is sealed through fusion welding 7 welding to pass through fusion welding at the mouth of pipe of sleeve pipe 1 and electric heating pipe 2 and the terminal surface three of sealing member 3, prevent gas or liquid in the working container on the one hand from revealing at fusion welding department from electric heating pipe 2 and sleeve pipe 1 clearance, on the other hand also can prevent that gas or liquid medium among the working container from corroding and piercing through electric heating pipe 2 outer walls, expose and let out from magnesium oxide powder 5. Meanwhile, the anti-puncturing sealing cover 6 is arranged, if leakage occurs, NPT threads between the anti-puncturing sealing cover 6 and the sealing piece 3 are screwed and sealed, the medium which can effectively block gas or liquid in a working container is leaked to the outside from a fusion welding position, the sealing is tight, the heated medium in the container can not be leaked, the possibility of danger is reduced, the whole electric heater is not required to be replaced for return repair, meanwhile, the detached power supply is connected to the standby electric heating pipe 2 in the electric heater, the power supply is switched on, the electric heater can be normally used, no negative influence is caused, and the problem that the whole electric heater can not be used due to the fact that a single heating pipe is damaged and leaked is solved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides an electric heating pipe prevents that breakdown leaks sealed fastener, includes sleeve pipe (1) and prevents that breakdown seals lid (6), its characterized in that: the inner cavity of the sleeve (1) is spliced with the electric heating pipe (2), a sealing element (3) is installed on the left side of the sleeve (1), the sealing element (3) is located on the left side of the electric heating pipe (2), the sealing element (3) is matched with the breakdown-preventing sealing cover (6) to be installed and sealed, and the inner cavity of the electric heating pipe (2) is filled with the powdery filler (5).
2. The electric heating tube breakdown leakage prevention sealing and fastening device of claim 1, characterized in that: the outer wall of the sealing element (3) is provided with NPT external threads.
3. The electric heating tube breakdown leakage prevention sealing and fastening device of claim 1, characterized in that: and a joint of the inner cavity of the breakdown-preventing sealing cover (6) and the sealing element (3) is provided with matched NPT internal threads.
4. The electric heating tube breakdown leakage prevention sealing and fastening device of claim 1, characterized in that: the anti-punch-through sealing cover (6) is in threaded fastening connection with the sealing element (3) through NPT internal threads and NPT external threads.
5. The electric heating tube breakdown leakage prevention sealing and fastening device of claim 1, characterized in that: the pipe orifices of the sleeve (1) and the electric heating pipe (2) are flush with the left side port of the sealing element (3).
6. The electric heating tube breakdown leakage prevention sealing and fastening device of claim 1, characterized in that: the sleeve (1), the pipe orifice of the electric heating pipe (2) and the end face of the sealing element (3) are welded and sealed through fusion welding (7).
7. The electric heating tube breakdown leakage prevention sealing and fastening device of claim 1, characterized in that: the powdery filler (5) is one of magnesium oxide powder or boron nitride powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020390349.1U CN211406301U (en) | 2020-03-25 | 2020-03-25 | Anti-breakdown leakage sealing and fastening device for electric heating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020390349.1U CN211406301U (en) | 2020-03-25 | 2020-03-25 | Anti-breakdown leakage sealing and fastening device for electric heating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211406301U true CN211406301U (en) | 2020-09-01 |
Family
ID=72215284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020390349.1U Active CN211406301U (en) | 2020-03-25 | 2020-03-25 | Anti-breakdown leakage sealing and fastening device for electric heating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211406301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112512144A (en) * | 2020-12-02 | 2021-03-16 | 镇江东方电热有限公司 | Improved double-end electric heating tube |
-
2020
- 2020-03-25 CN CN202020390349.1U patent/CN211406301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112512144A (en) * | 2020-12-02 | 2021-03-16 | 镇江东方电热有限公司 | Improved double-end electric heating tube |
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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: 20230329 Address after: 212100 in electromechanical Industrial Park, Zhenjiang New District, Jiangsu Province (Wufengshan Road, Dagang) Patentee after: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Address before: 212100 in electromechanical Industrial Park, Zhenjiang New District, Jiangsu Province (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 |
Assignee: Jiangsu Oriental Ruiji Energy Equipment Co.,Ltd. Assignor: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Contract record no.: X2024320000007 Denomination of utility model: A sealing and fastening device for preventing breakdown and leakage of electric heating tubes Granted publication date: 20200901 License type: Common License Record date: 20240228 |
|
| EE01 | Entry into force of recordation of patent licensing contract |