CN204027008U - A kind of smoke exhaust pipe for gas-heating water heater or water heater - Google Patents
A kind of smoke exhaust pipe for gas-heating water heater or water heater Download PDFInfo
- Publication number
- CN204027008U CN204027008U CN201420392564.XU CN201420392564U CN204027008U CN 204027008 U CN204027008 U CN 204027008U CN 201420392564 U CN201420392564 U CN 201420392564U CN 204027008 U CN204027008 U CN 204027008U
- Authority
- CN
- China
- Prior art keywords
- straight tube
- water heater
- pipe
- interior
- bend 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000000779 smoke Substances 0.000 title claims abstract description 16
- 239000008236 heating water Substances 0.000 title claims abstract description 13
- 238000003032 molecular docking Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 2
- 238000012913 prioritisation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Incineration Of Waste (AREA)
Abstract
The utility model proposes a kind of smoke exhaust pipe for gas-heating water heater or water heater, it is to dock by double-deck straight tube and double-deck bend pipe the double-skin duct forming; Double-deck straight tube includes outer straight tube and is fixed on the interior straight tube in outer straight tube, interior straight tube is longer than its end of outer straight tube and is stretched out outer straight tube, double-deck bend pipe includes outer bend pipe and is fixed on the interior bend pipe in outer bend pipe, interior straight tube and the docking of interior bend pipe form blast pipe, in blast pipe, be exhaust passage, the exhaust outlet that the end openings of interior straight tube is exhaust passage; The docking of outer straight tube and outer bend pipe forms outer communicating pipe, and the gap of outer communicating pipe and blast pipe is inlet channel, and the end that a sealing ring is located at outer straight tube makes the endcapped of inlet channel, has the air inlet that some air admission holes are inlet channel near the end of outer straight tube; The front end of outer straight tube also has near air inlet position the annular groove that the degree of depth is 2～5mm.The utlity model has feature simple in structure, to be easy to manufacture, can effectively prevent that rainwater from entering water heater or water heater.
Description
Technical field
The utility model relates to gas-heating water heater or gas heater, specifically the smoke exhaust pipe of gas-heating water heater or gas heater.
Background technology
Existing a kind of smoke exhaust pipe for gas-heating water heater or water heater as the patent No. be that CN201220040183 is disclosed, it is to dock by double-deck straight tube and double-deck bend pipe the double-skin duct forming.Double-deck straight tube includes outer straight tube and is fixed on the interior straight tube in outer straight tube, and interior straight tube is longer than its end of outer straight tube and is stretched out outer straight tube; Double-deck bend pipe includes outer bend pipe and is fixed on the interior bend pipe in outer bend pipe, and interior straight tube and the docking of interior bend pipe form blast pipe, in blast pipe, are exhaust passage, the exhaust outlet that the end openings of interior straight tube is exhaust passage; Outer straight tube and the docking of outer bend pipe form outer communicating pipe, the gap of outer communicating pipe and blast pipe is inlet channel, one sealing ring is located at the end of outer straight tube by the endcapped of inlet channel, near the end of outer straight tube, have the air inlet that several air admission holes are inlet channel, air is by combustion-supporting in the air admission hole → inlet channel → water heater on outer straight tube, and the exhaust passage of the waste gas → smoke exhaust pipe after fuel gas buring is discharged by the end openings of interior straight tube.When use, the air admission hole of this smoke exhaust pipe is conventionally all positioned at wall outer side and is exposed to and there is no the outdoor of veil, and when sleety weather, rainwater can enter smoke exhaust pipe from air admission hole, under the promotion of charge air flow, enter water heater inside by inlet channel, the part of infringement water heater inside.Therefore, be necessary existing smoke exhaust pipe to improve.
Summary of the invention
The purpose of this utility model is to propose a kind of smoke exhaust pipe for gas-heating water heater or water heater, and it has feature simple in structure, to be easy to manufacture, can effectively prevent that rainwater from entering water heater or water heater.
The purpose of this utility model can be achieved through the following technical solutions:
For a smoke exhaust pipe for gas-heating water heater or water heater, it is to dock by double-deck straight tube and double-deck bend pipe the double-skin duct forming; Described double-deck straight tube includes outer straight tube and is fixed on the interior straight tube in outer straight tube, interior straight tube is longer than its end of outer straight tube and is stretched out outer straight tube, described double-deck bend pipe includes outer bend pipe and is fixed on the interior bend pipe in outer bend pipe, interior straight tube and the docking of interior bend pipe form blast pipe, in blast pipe, be exhaust passage, the exhaust outlet that the end openings of interior straight tube is exhaust passage; Outer straight tube and the docking of outer bend pipe form outer communicating pipe, the gap of outer communicating pipe and blast pipe is inlet channel, the end that one sealing ring is located at outer straight tube makes the endcapped of inlet channel, has the air inlet that several air admission holes are inlet channel near the end of outer straight tube; It is characterized in that: the front end of outer straight tube has annular groove near air inlet position, the degree of depth of described annular groove is 2～5mm.
Prioritization scheme, on outer straight tube, the distance of the annular groove air admission hole nearest with it is 0～2cm.
Further prioritization scheme, upwards 1～3 ° of deflection of interior straight tube end, in the center line of straight tube and the center line angle of outer straight tube be 1～3 °.In the end of interior straight tube, also can be provided with separation net.
The utlity model has following substantive distinguishing features and progress:
1, annular groove of the present utility model can stop the rainwater or the snow-broth that are entered inlet channel by air admission hole, avoids the part of sleet Water Damage water heater inside;
2, annular groove of the present utility model can be one-body molded with outer straight tube, has feature simple in structure, to be easy to manufacture.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
With reference to figure 1, a kind of smoke exhaust pipe for gas-heating water heater or water heater, it is to dock by double-deck straight tube and double-deck bend pipe the double-skin duct forming; Described double-deck straight tube includes outer straight tube 2 and is fixed on the interior straight tube 1 in outer straight tube 2, interior straight tube 1 is longer than outer straight tube 2 its ends and is stretched out outer straight tube 2, described double-deck bend pipe includes outer bend pipe 4 and is fixed on the interior bend pipe 3 in outer bend pipe 4, interior straight tube 1 and 3 docking of interior bend pipe form blast pipe, in blast pipe, be exhaust passage 10, the end openings 11 of interior straight tube 1 is the exhaust outlet of exhaust passage 10; Outer straight tube 2 and 4 docking of outer bend pipe form outer communicating pipe, the gap of outer communicating pipe and blast pipe is inlet channel 20, the end that one sealing ring 5 is located at outer straight tube 2 makes the endcapped of inlet channel 20, has the air inlet of several air admission holes 21 as inlet channel 20 near the end of outer straight tube 2; The front end of outer straight tube 2 has annular groove 22 near air admission hole 21 places, and the degree of depth of described annular groove 22 is 3mm.
In the present embodiment, on outer straight tube 2, the spacing of annular groove 22 air admission hole 21 nearest with it is 2cm, also can suitably shorten spacing, but is not greater than 2cm, to reduce the sleet water that enters Inner straight tube 1, avoids corroding Inner straight tube 1.
In the present embodiment, in interior straight tube 1 end upward 1 ° and its, be provided with separation net 6, upwards the Inner straight tube 1 of slightly-inclined is conducive to flue gas and discharges, and separation net 6 has stopped that extraneous foreign material enter Inner straight tube simultaneously.
Claims (4)
1. for a smoke exhaust pipe for gas-heating water heater or water heater, it is to dock by double-deck straight tube and double-deck bend pipe the double-skin duct forming; Described double-deck straight tube includes outer straight tube (2) and is fixed on the interior straight tube (1) in outer straight tube (2), interior straight tube (1) is longer than its end of outer straight tube (2) and is stretched out outer straight tube (2), described double-deck bend pipe includes outer bend pipe (4) and is fixed on the interior bend pipe (3) in outer bend pipe (4), interior straight tube (1) and interior bend pipe (3) docking form blast pipe, in blast pipe, be exhaust passage (10), the end openings (11) of interior straight tube (1) is the exhaust outlet of exhaust passage (10); Outer straight tube (2) and outer bend pipe (4) docking form outer communicating pipe, the gap of outer communicating pipe and blast pipe is inlet channel (20), the end that one sealing ring (5) is located at outer straight tube (2) makes the endcapped of inlet channel (20), has the air inlet of several air admission holes (21) as inlet channel (20) near the end of outer straight tube (2); It is characterized in that: the front end of outer straight tube (2) locates to have annular groove (22) near air admission hole (21), the degree of depth of described annular groove (22) is 2～5mm.
2. the smoke exhaust pipe of gas-heating water heater according to claim 1 or water heater, is characterized in that: the upper annular groove (22) of outer straight tube (2) is 0～2cm with the distance of nearest air admission hole (21).
3. the smoke exhaust pipe of gas-heating water heater according to claim 1 or water heater, it is characterized in that: upwards 1～3 ° of deflection of interior straight tube (1) end, in the center line of straight tube (1) and the center line angle of outer straight tube (2) be 1～3 °.
4. the smoke exhaust pipe of gas-heating water heater according to claim 3 or water heater, is characterized in that: in the end of interior straight tube (1), be provided with separation net (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420392564.XU CN204027008U (en) | 2014-07-16 | 2014-07-16 | A kind of smoke exhaust pipe for gas-heating water heater or water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420392564.XU CN204027008U (en) | 2014-07-16 | 2014-07-16 | A kind of smoke exhaust pipe for gas-heating water heater or water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204027008U true CN204027008U (en) | 2014-12-17 |
Family
ID=52066854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420392564.XU Expired - Fee Related CN204027008U (en) | 2014-07-16 | 2014-07-16 | A kind of smoke exhaust pipe for gas-heating water heater or water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218617A (en) * | 2017-07-04 | 2017-09-29 | 广东诺科冷暖设备有限公司 | Rain-proof Water spray condenses the coaxial smoke pipe head of water heater for heating |
| CN108581264A (en) * | 2018-07-24 | 2018-09-28 | 张月文 | A kind of double-layer bend processing method |
-
2014
- 2014-07-16 CN CN201420392564.XU patent/CN204027008U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218617A (en) * | 2017-07-04 | 2017-09-29 | 广东诺科冷暖设备有限公司 | Rain-proof Water spray condenses the coaxial smoke pipe head of water heater for heating |
| CN108581264A (en) * | 2018-07-24 | 2018-09-28 | 张月文 | A kind of double-layer bend processing method |
| CN108581264B (en) * | 2018-07-24 | 2020-11-03 | 张月文 | Double-layer elbow machining method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510760 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Cang two Road No. 3 Patentee after: GUANGZHOU DEVOTION HOME ENVIRONMENT TECHNOLOGY CO.,LTD. Address before: 510760 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Cang two Road No. 3 Patentee before: GUANGZHOU DEVOTION DOMESTIC BOILERS MFG Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 |