CN203223696U - Fully-buried expansion joint - Google Patents
Fully-buried expansion joint Download PDFInfo
- Publication number
- CN203223696U CN203223696U CN 201320143364 CN201320143364U CN203223696U CN 203223696 U CN203223696 U CN 203223696U CN 201320143364 CN201320143364 CN 201320143364 CN 201320143364 U CN201320143364 U CN 201320143364U CN 203223696 U CN203223696 U CN 203223696U
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- CN
- China
- Prior art keywords
- expansion joint
- corrugated tube
- fully
- bellows
- working
- 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
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Abstract
The utility model relates to the technical field of expansion joints and particularly relates to a fully-buried expansion joint. The fully-buried expansion joint comprises connecting tubes, a flow guide tube and a working corrugated tube, wherein the flow guide tube is connected into the working corrugated tube, the connecting tubes are arranged at the two ends of the flow guide tube, and a sealing corrugated tube is sleeved on an outer layer of the working corrugated tube. According to the fully-buried expansion joint, the sealing corrugated tube is sleeved on the outer layer of the working corrugated tube, the axial displacement and transverse displacement of a pipeline are absorbed by using the flexible deformation of the working corrugated tube, and the outer-layer sealing corrugated tube is used for sealing the working corrugated tube and protecting the safety of the working corrugated tube, so that the frequency of maintenance and replacement is lowered, the cost is reduced, and the service life is prolonged. In addition, the fully-buried expansion joint has the characteristics of reasonable design, simple structure, convenience in mounting and maintenance, and the like.
Description
Technical field
The utility model relates to the expansion joint technical field, is specifically related to bury full the type expansion joint.
Background technique
At present, it is some for the flexible expansion joint of compensation pipeline that existing heat supply pipeline all needs segmentation to install, and particularly is embedded in underground length for delivery of high temperature, high-pressure medium apart from heat supply pipeline, and the wall thickness of expansion joint is big, intensity is higher.In the using process, because the extending amount that heat supply pipeline produces is bigger, the bellows wave number is more, therefore the bellows of expansion joint needs periodic maintenance or changes expansion joint easily because local leakage appears in fatigue, causes the working life of expansion joint shorter, the workload of safeguarding and changing is big, and cost is higher.
Summary of the invention
The purpose of this utility model provides a kind of good sealing effect, reduces the type that the buries full expansion joint of safeguarding and changing frequency, increase the service life.
In order to solve the existing problem of background technique, the utility model is by the following technical solutions: bury the type expansion joint entirely, comprise adapter, honeycomb duct and work bellows, connect described honeycomb duct in the described work bellows, the two ends of described honeycomb duct arrange described adapter, the outer socket seal bellows of described work bellows.
Further, the skin of described seal bellows is provided with oversheath.
Further, described oversheath is the stainless steel oversheath.
The utlity model has following beneficial effect: the type expansion joint that buries entirely described in the utility model; comprise adapter, honeycomb duct and work bellows; wherein; outer socket seal bellows at the work bellows; the plastic deformation of employing work bellows comes axial displacement and the lateral displacement of extraction duct, and by outer field seal bellows the work bellows is played sealing, safety protection effect, reduces maintenance and changes frequent; reduce cost, increase the service life.In addition, the utlity model has characteristics such as reasonable in design, simple in structure, convenient for installation and maintenance.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in more detail below in conjunction with accompanying drawing.
As shown in Figure 1; bury the type expansion joint entirely; comprise and take over 1; honeycomb duct 2 and work bellows 3; connect described honeycomb duct 2 in the described work bellows 3; the two ends of described honeycomb duct 2 arrange described adapter 1; wherein; the adapter at two ends is all fixedlyed connected with honeycomb duct; and the effect of taking over is to make expansion joint directly to be connected with pipeline; convenient for installation and maintenance; the outer socket seal bellows 4 of described work bellows 3 in the present embodiment, is come axial displacement and the lateral displacement of extraction duct by the plastic deformation of work bellows; and by outer field seal bellows to work bellows play sealing; the safety protection effect; reduce maintenance and replacing frequently, reduce cost, increase the service life.
The skin of described seal bellows 4 is provided with oversheath 5, in the present embodiment, adopts the purpose of oversheath to be expansion joint is further played the safety protection effect.
Described oversheath 5 is the stainless steel oversheath, in the present embodiment, adopts the stainless steel oversheath to have characteristics such as corrosion-resistant, high temperature resistant, high pressure resistant, effectively increases the service life.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, other modifications that those of ordinary skills make the technical solution of the utility model or be equal to replacement, only otherwise break away from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (3)
1. bury the type expansion joint entirely, comprise adapter (1), honeycomb duct (2) and work bellows (3), it is characterized in that, connect described honeycomb duct (2) in the described work bellows (3), the two ends of described honeycomb duct (2) arrange described adapter (1), the outer socket seal bellows (4) of described work bellows (3).
2. the type expansion joint that buries entirely according to claim 1 is characterized in that, the skin of described seal bellows (4) is provided with oversheath (5).
3. the type expansion joint that buries entirely according to claim 2 is characterized in that, described oversheath (5) is the stainless steel oversheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143364 CN203223696U (en) | 2013-03-27 | 2013-03-27 | Fully-buried expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143364 CN203223696U (en) | 2013-03-27 | 2013-03-27 | Fully-buried expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203223696U true CN203223696U (en) | 2013-10-02 |
Family
ID=49250700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320143364 Expired - Fee Related CN203223696U (en) | 2013-03-27 | 2013-03-27 | Fully-buried expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203223696U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148310A (en) * | 2013-03-27 | 2013-06-12 | 江苏星光波纹管有限公司 | Fully-buried expansion joint |
| CN105508796A (en) * | 2016-02-16 | 2016-04-20 | 江苏威创能源设备有限公司 | Intelligent direct pipe pressure balanced type compensator |
-
2013
- 2013-03-27 CN CN 201320143364 patent/CN203223696U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148310A (en) * | 2013-03-27 | 2013-06-12 | 江苏星光波纹管有限公司 | Fully-buried expansion joint |
| CN105508796A (en) * | 2016-02-16 | 2016-04-20 | 江苏威创能源设备有限公司 | Intelligent direct pipe pressure balanced type compensator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Hongbo Machinery Manufactury Co., Ltd. Assignor: Jiangsu Starlight Corrugated Pipe Co., Ltd. Contract record no.: 2014320000641 Denomination of utility model: Fully-buried expansion joint Granted publication date: 20131002 License type: Exclusive License Record date: 20140731 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20180327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |