CN202252482U - Water feed expansion joint with internal screw thread - Google Patents
Water feed expansion joint with internal screw thread Download PDFInfo
- Publication number
- CN202252482U CN202252482U CN2011202958159U CN201120295815U CN202252482U CN 202252482 U CN202252482 U CN 202252482U CN 2011202958159 U CN2011202958159 U CN 2011202958159U CN 201120295815 U CN201120295815 U CN 201120295815U CN 202252482 U CN202252482 U CN 202252482U
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- water feed
- screw thread
- internal screw
- wall
- 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 discloses a water feed expansion joint with an internal screw thread. The water feed expansion joint comprises a dumbbell-type pipe body, wherein the internal screw thread is formed on the annular inner wall of one end of the pipe body; annular grooves are formed in the annular inner wall of the other end of the pipe body; sealing rings are embedded into the annular grooves; and reversed teeth are arranged in the annular walls of the sealing rings. According to the water feed expansion joint, a pipe material has an enough internal telescopic space; and due to the sealing rings, the sealing property of the water feed expansion joint is guaranteed.
Description
Technical field:
The utility model relates generally to feedwater slip joint technical field, relates in particular to a kind of tapped feedwater slip joint.
Background technique:
Slip joint is on the penstock road, has the pipeline section that can freely stretch with micro-angular deflection and good seal performance.Be installed between two anchor blocks or before the factory building butterfly valve, be used to adapt to the angular displacement that steel pipe produces axial displacement and takes place because of reasons such as building differential settlements because of temperature influence, and be convenient to install steel pipe.
Feedwater slip joint in the prior art in use, can not guarantee tubing within it portion enough extendable rooms are arranged, and there is defective in sealability.
The model utility content:
The utility model purpose is exactly in order to remedy the defective of prior art, a kind of tapped feedwater slip joint to be provided.
The utility model is realized through following technological scheme:
A kind of tapped feedwater slip joint; Include the body of dumbbell type; It is characterized in that: the annular inner wall of said body one end is provided with internal thread; The annular inner wall of the body the other end is provided with annular groove, is embedded with seal ring in the said annular groove, is provided with pawl in the ring wall of said seal ring.
A kind of tapped feedwater slip joint is characterized in that: said seal ring is a rubber ring.
The utility model guarantees that tubing has enough extendable rooms in inside, and said seal ring guarantees the sealability of the utility model.
Description of drawings:
Fig. 1 is the structural representation of the utility model.
Embodiment:
Referring to accompanying drawing.
A kind of tapped feedwater slip joint; Include the body 2 of dumbbell type, the annular inner wall of said body 2 one ends is provided with internal thread 1, and the annular inner wall of body 2 the other ends is provided with annular groove; Be embedded with seal ring 3 in the said annular groove, be provided with pawl in the ring wall of said seal ring 3.
Seal ring 3 is a rubber ring.
Claims (2)
1. tapped feedwater slip joint; Include the body of dumbbell type; It is characterized in that: the annular inner wall of said body one end is provided with internal thread; The annular inner wall of the body the other end is provided with annular groove, is embedded with seal ring in the said annular groove, is provided with pawl in the ring wall of said seal ring.
2. a kind of tapped feedwater slip joint according to claim 1, it is characterized in that: said seal ring is a rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202958159U CN202252482U (en) | 2011-08-16 | 2011-08-16 | Water feed expansion joint with internal screw thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202958159U CN202252482U (en) | 2011-08-16 | 2011-08-16 | Water feed expansion joint with internal screw thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202252482U true CN202252482U (en) | 2012-05-30 |
Family
ID=46113724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202958159U Expired - Fee Related CN202252482U (en) | 2011-08-16 | 2011-08-16 | Water feed expansion joint with internal screw thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202252482U (en) |
-
2011
- 2011-08-16 CN CN2011202958159U patent/CN202252482U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20120816 |