CN207648764U - Steam boiler water inlet pipe anticracking connection structure - Google Patents
Steam boiler water inlet pipe anticracking connection structure Download PDFInfo
- Publication number
- CN207648764U CN207648764U CN201721617269.XU CN201721617269U CN207648764U CN 207648764 U CN207648764 U CN 207648764U CN 201721617269 U CN201721617269 U CN 201721617269U CN 207648764 U CN207648764 U CN 207648764U
- Authority
- CN
- China
- Prior art keywords
- water inlet
- inlet pipe
- anticracking
- expansion segment
- connection structure
- 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
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
A kind of steam boiler water inlet pipe anticracking connection structure comprising water inlet pipe (1) and cold and hot casing (2)；Cold and hot casing (2) includes expansion segment (21), linkage section (22) and contraction section (23), the bore of contraction section (23) is adapted with water inlet pipe (1) outer diameter, and contraction section (23) is sleeved on water inlet pipe (1)；The bore of expansion segment (21) is more than water inlet pipe (1) outer diameter, is connected by linkage section (22) between expansion segment (21) and contraction section (23)；Linkage section (22) is taper；Expansion segment (21) is sleeved on water inlet pipe (1) outside with linkage section (22), and a gap (24) is separated by between expansion segment (21) and water inlet pipe (1).It is more secured that it can so that water inlet pipe is connect with boiler body inner wall, and can be durable without cracking in the injection of cold water repeatedly.
Description
Technical field
The utility model is related to a kind of steam boiler water inlet pipe structure, especially a kind of steam boiler water inlet pipe anticracking connection
Structure.
Background technology
Current steam boiler, water inlet pipe（Admitting pipe joint can also be or into water tap）Generally it is welded to boiler body
On inner wall.Due to being high-temperature water or steam in steam boiler, entire boiler body inner wall temperature is very high, and is sent into water inlet pipe and is
Cold water, cold water can rapidly cool down water inlet pipe and boiler body inner wall, and this temperature suddenly, which becomes, easily causes water inlet pipe and boiler body
Inner wall weld cracking, cut phenomena such as.
Utility model content
A kind of steam boiler water inlet pipe anticracking is provided the purpose of the utility model is to overcome the above-mentioned insufficient of the prior art
It is more secured can so that water inlet pipe is connect with boiler body inner wall for connection structure, and can be prolonged resistance in the injection of cold water repeatedly
With without cracking.
The technical solution of the utility model is：A kind of steam boiler water inlet pipe anticracking connection structure comprising water inlet pipe and
Cold and hot casing；Cold and hot casing is sleeved on water inlet pipe, and one end is connected with water inlet pipe, and the other end is mounted on boiler body inner wall
On, and be not directly contacted with water inlet pipe on the inside of the end.
The further technical solution of the utility model is：The cold and hot casing includes expansion segment, linkage section and contraction section,
The bore of contraction section is adapted with water inlet pipe outside diameter, and contraction section is sleeved on water inlet pipe.
The further technical solution of the utility model is：The bore of the expansion segment is more than water inlet pipe outside diameter, expansion
Section is connected between contraction section by linkage section.
Further technical solution is the utility model：The linkage section is taper.
The also further technical solution of the utility model is：The expansion segment is sleeved on outside water inlet pipe with linkage section, is expanded
It opens and is separated by a gap between section and water inlet pipe.
The further technical solution of the utility model is：It is mutually welded between the contraction section and water inlet pipe.
The further technical solution of the utility model is：The expansion segment of the cold and hot casing is inserted into boiler body inner wall and sets
In some holes, mutually it is tightly connected by welding between the expansion segment and boiler body inner wall of cold and hot casing.
The further technical solution of the utility model is：The contraction section of the cold and hot casing is located at outside boiler body.
The further technical solution of the utility model is：The water inlet pipe outer end is also welded with flange.
The utility model has following features compared with prior art：
It is more secured that it can so that water inlet pipe is connect with boiler body inner wall, and can be durable in the injection of cold water repeatedly
Without cracking.
The detailed construction of the utility model is further described below in conjunction with the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is partial enlarged views of the Fig. 1 within the scope of A lines；
Fig. 3 is the attachment structure schematic diagram of the water inlet pipe and cold and hot casing of the utility model.
Specific implementation mode
Embodiment 1
As shown in Figs. 1-3：A kind of steam boiler water inlet pipe anticracking connection structure comprising water inlet pipe 1 and cold and hot casing 2；
Cold and hot casing 2 includes expansion segment 21, linkage section 22 and contraction section 23, and bore and 1 outer diameter of water inlet pipe of contraction section 23 are adapted, receive
Contracting section 23 is sleeved on water inlet pipe 1, is usually mutually to weld between water inlet pipe 1, be may be integral type knot certainly
Structure；The bore of expansion segment 21 is more than 1 outer diameter of water inlet pipe, is connected by linkage section 22 between expansion segment 21 and contraction section 23；Even
It is usually taper to connect section 22；Expansion segment 21 is sleeved on linkage section 22 outside water inlet pipe 1, is separated by between expansion segment 21 and water inlet pipe 1
One gap 24 influences the temperature of expansion segment 21 to prevent the heat on expansion segment 21 to be directly passed to water inlet pipe 1.
The expansion segment 21 of cold and hot casing 2 is inserted into the hole that boiler body inner wall 3 is equipped with, the expansion segment 21 of cold and hot casing 2 with
It is mutually tightly connected by welding between boiler body inner wall 3；The contraction section 23 of cold and hot casing 2 is located at outside boiler body.
1 outer end of water inlet pipe is also welded with flange 11, to be connected with feed pipes such as tap water.
The operation principle of the utility model：
Due to larger section of cold and hot casing 2（That is expansion segment 21）Be connected with boiler body inner wall 3, and water inlet pipe 1 only with it is cold
The relatively segment of thermal sleeve 2（That is contraction section 23）It is connected, so when cold water is into fashionable, is first that shrinkage occurs for contraction section 23, and
Expansion segment 21 still protects high temperature, will not shrink immediately, and cracking would not be generated between such expansion segment 21 and boiler body inner wall 3
Phenomenon；When contraction section 23 is shunk simultaneously, it is equipped between expansion segment 21 tubaeform（That is taper）Linkage section 22, contraction section 23
Modified difference between expansion segment 21 will be gradually excessive in linkage section 22, cracks, that is, shrinks without deforming suddenly
Section 23 will not be cracking phenomenon；Linkage section 22 only can have temperature difference in an axial direction, only can to give birth to Length Contraction, and its
There is no temperature difference along diameter, so radial cracking phenomena will not occur.
The utility model is not limited to above-mentioned concrete structure, as long as being equipped between water inlet pipe 1 and boiler body inner wall 3
The connection structure of essentially identical cold and hot casing 2 is just fallen within the scope of the present invention with the utility model.
Claims (10)
1. a kind of steam boiler water inlet pipe anticracking connection structure comprising water inlet pipe (1)；It is characterized in that：It further includes cold and hot set
It manages (2)；Cold and hot casing (2) is sleeved on water inlet pipe (1), and one end is connected with water inlet pipe (1), and the other end is mounted on boiler
On internal wall (3), and it is not directly contacted with water inlet pipe (1) on the inside of the end.
2. steam boiler water inlet pipe anticracking connection structure according to claim 1, it is characterized in that：The cold and hot casing
(2) include expansion segment (21), linkage section (22) and contraction section (23), bore and water inlet pipe (1) outer diameter of contraction section (23) are mutually fitted
It answers, contraction section (23) is sleeved on water inlet pipe (1).
3. steam boiler water inlet pipe anticracking connection structure according to claim 2, it is characterized in that：The expansion segment (21)
Bore be more than water inlet pipe (1) outer diameter, be connected by linkage section (22) between expansion segment (21) and contraction section (23).
4. steam boiler water inlet pipe anticracking connection structure according to claim 2 or 3, it is characterized in that：The linkage section
(22) it is taper.
5. steam boiler water inlet pipe anticracking connection structure according to claim 2 or 3, it is characterized in that：The expansion segment
(21) it is sleeved on water inlet pipe (1) outside with linkage section (22), a gap (24) is separated by between expansion segment (21) and water inlet pipe (1).
6. steam boiler water inlet pipe anticracking connection structure according to claim 4, it is characterized in that：The expansion segment (21)
It is sleeved on water inlet pipe (1) outside with linkage section (22), a gap (24) is separated by between expansion segment (21) and water inlet pipe (1).
7. steam boiler water inlet pipe anticracking connection structure according to claim 2 or 3, it is characterized in that：The contraction section
(23) it is mutually welded between water inlet pipe (1).
8. steam boiler water inlet pipe anticracking connection structure according to claim 2 or 3, it is characterized in that：The cold and hot set
The expansion segment (21) of pipe (2) is inserted into the hole that boiler body inner wall (3) is equipped with, the expansion segment (21) and boiler of cold and hot casing (2)
It is mutually tightly connected by welding between internal wall (3).
9. steam boiler water inlet pipe anticracking connection structure according to claim 2 or 3, it is characterized in that：The cold and hot set
The contraction section (23) of pipe (2) is located at outside boiler body.
10. steam boiler water inlet pipe anticracking connection structure according to claim 1 or 2 or 3, it is characterized in that：It is described into
Water pipe (1) outer end is also welded with flange (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721617269.XU CN207648764U (en) | 2017-11-28 | 2017-11-28 | Steam boiler water inlet pipe anticracking connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721617269.XU CN207648764U (en) | 2017-11-28 | 2017-11-28 | Steam boiler water inlet pipe anticracking connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207648764U true CN207648764U (en) | 2018-07-24 |
Family
ID=62881629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721617269.XU Expired - Fee Related CN207648764U (en) | 2017-11-28 | 2017-11-28 | Steam boiler water inlet pipe anticracking connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207648764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747727A (en) * | 2017-11-28 | 2018-03-02 | 湖南长宏南雁锅炉修理安装有限公司 | Steam boiler water inlet pipe anticracking attachment structure |
-
2017
- 2017-11-28 CN CN201721617269.XU patent/CN207648764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747727A (en) * | 2017-11-28 | 2018-03-02 | 湖南长宏南雁锅炉修理安装有限公司 | Steam boiler water inlet pipe anticracking attachment structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022222549A1 (en) | Air conditioner pipe fitting, air conditioner pipeline, and air conditioner | |
| CN207648764U (en) | Steam boiler water inlet pipe anticracking connection structure | |
| JP2019505715A5 (en) | ||
| US5354100A (en) | Weldable pipe fittings and pipe joints formed therewith | |
| US2535186A (en) | Stovepipe connector for chimneys and the like | |
| CN205445759U (en) | Engine exhaust structure | |
| CN107747727A (en) | Steam boiler water inlet pipe anticracking attachment structure | |
| CN107806327B (en) | A kind of inner tube direct linkage type overall length thermal insulation pipe | |
| CN206000474U (en) | A kind of inner tube direct linkage type total length thermal insulation pipe | |
| CN214305687U (en) | Shape memory alloy pipeline coupling assembling | |
| JP7365176B2 (en) | fitting | |
| CN103639609B (en) | A kind of method and apparatus for thin-wall seamless pipe end upsetting | |
| JP2009142907A (en) | Method for drilling thermoplastic resin tube and hole saw used in the same | |
| CN204782808U (en) | Directly link type heat insulation oil pipe | |
| CN205897530U (en) | Heat exchange tube for boiler | |
| JP6642853B2 (en) | Pipe connection structure | |
| CN204879236U (en) | Quick change juxtaposition bellows expansion joint | |
| CN210397991U (en) | Copper-aluminum joint for refrigeration equipment | |
| CN210577500U (en) | MPP solid wall cable protection pipe | |
| CN220288375U (en) | Waste boiler bundle pipe inner lining of catalytic converter | |
| RU201010U1 (en) | THREADLESS FITTING | |
| CN208804385U (en) | A kind of PE feed pipe facilitating connection | |
| CN217874837U9 (en) | Wax-proof thermal insulation pipe for oil field well | |
| CN202812623U (en) | Internal thread direct loose joint pipe fitting and multi-shunt pipe fitting | |
| JPS5841611A (en) | Manufacture of double-pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20181128 |