CN202140716U - Telescopic joint - Google Patents
Telescopic joint Download PDFInfo
- Publication number
- CN202140716U CN202140716U CN201120214660U CN201120214660U CN202140716U CN 202140716 U CN202140716 U CN 202140716U CN 201120214660 U CN201120214660 U CN 201120214660U CN 201120214660 U CN201120214660 U CN 201120214660U CN 202140716 U CN202140716 U CN 202140716U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- inclined surfaces
- seal rings
- fittings body
- joint body
- 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 - Lifetime
Links
Images
Abstract
A telescopic joint comprises a joint body; seal rings are disposed in the joint body; a pipeline is inserted in the joint body and is contacted with the seal rings; and the pipeline is fixed with the joint body through clamp nuts. The telescope joint is characterized in that inner walls of two head opening portions of the joint body are provided with installing grooves, which comprise straight surfaces on the upper ends and first inclined surfaces on the lower ends; the lower ends of opening portions of the clamp nuts are provided with second inclined surfaces; the seal rings are disposed in the installing grooves; outer walls of the seal rings are provided with corresponding surfaces matched with the first inclined surfaces and the second inclined surfaces; and the corresponding surfaces are contacted with the first inclined surfaces and the second inclined surfaces. Installation of the pipeline requires the steps of firstly loosening the clamp nuts slightly, then inserting the pipeline in the joint body, and tightening the clamp nuts for allowing the second inclined surfaces of the clamp nuts to rotate downward and to be contacted with the corresponding surfaces of the seal rings. When the clamp nuts are tightened downward increasingly, the second inclined surfaces press the corresponding surfaces of the seal rings downward increasingly and accordingly the seal rings can clamp the pipeline tightly inward along the second inclined surfaces for guaranteeing sealing performance.
Description
Technical field
The utility model relates to a kind of slip joint, is used for the connection of long distances plastic water pipe, belongs to the pipe fitting technical field.
Background technique
Plastic tube is to ensure the pipe safety operation as the delivery line of long distance the time, the compensation pipeline axial, laterally, the dilatation of angle because of being heated or catching a cold and causing, need couple together through slip joint a lot of pipelines is sectional.The structure of existing slip joint is to comprise fittings body mostly, at fittings body inwall open loop-shaped groove, seal ring is installed in circular groove; Seal ring contacts with pipeline outer wall, and fittings body and pipeline fix through fastening again, and the shortcoming that this structure slip joint exists is: when each dismounting pipeline; All want earlier tightening nut to be backed out; Ability dismounting pipeline, assembling is trouble comparatively, and when external temperature is higher; Tightening nut and the elongation of fittings body expanded by heating cause the extruding force of seal ring is strengthened, and seal ring is extruded the mouth edge that breaks away from the socket end easily and slip joint is leaked.
Summary of the invention
The purpose of the utility model is in order to overcome the shortcoming that prior art exists, a kind of pipeline easy accessibility to be provided, the slip joint of good sealing effect.
The technological scheme of the utility model slip joint is: comprise fittings body, seal ring is installed in fittings body, pipeline inserts fittings body and contacts with seal ring; Pipeline and fittings body fix through tightening nut; The inwall that it is characterized in that said fittings body two oral area is opened mounting groove, and the mounting groove upper end is for facing directly, and the lower end is the first inclined-plane; Oral area lower end at tightening nut is shaped on the second inclined-plane; In the mounting groove of fittings body, seal ring is installed, the seal ring outer wall is shaped on the corresponding surface that matches with first, second inclined-plane, and corresponding surface contacts with first, second inclined-plane.
The utility model discloses a kind of slip joint, be shaped on through mounting groove and face directly and the first inclined-plane, be shaped on the second inclined-plane in the oral area lower end of tightening nut at the fittings body mouth inner wall; Be shaped on the corresponding surface that matches with first, second inclined-plane at the seal ring outer wall, during pipe laying, as long as earlier tightening nut is unclamped a little; Just can pipeline be inserted in the fittings body, again tightening nut tightened, when tightening solid nut; The second inclined-plane of tightening nut is rotated down and contacts with the corresponding surface of seal ring, and when tightening nut was tightened more downwards, the second inclined-plane is the corresponding surface of downward crush seal circle also; Make seal ring along the second inclined-plane inside banding pipeline, thereby guarantee sealability.
Description of drawings
Fig. 1 is the structural representation of the utility model slip joint.
Embodiment
The utility model relates to a kind of slip joint, and is as shown in Figure 1, comprises fittings body 1; Seal ring 2 is installed in fittings body, and pipeline 3 inserts fittings body and contacts with seal ring, and pipeline and fittings body fix through tightening nut 4; The inwall that it is characterized in that said fittings body 1 two oral area is opened mounting groove 11, and the mounting groove upper end is for facing 12 directly, and the lower end is first inclined-plane 13; Oral area lower end at tightening nut 4 is shaped on second inclined-plane 41; Seal ring 2 is installed in the mounting groove 11 of fittings body, and the seal ring outer wall is shaped on the corresponding surface that matches with first, second inclined-plane, and corresponding surface contacts with first, second inclined-plane 13,41.Through the mounting groove 11 at fittings body 1 mouth inner wall be shaped on face directly 12 with first inclined-plane 13, be shaped on second inclined-plane 41 in the oral area lower end of tightening nut 4, be shaped on the corresponding surface that matches with first, second inclined- plane 13,41 at seal ring 2 outer walls; During pipe laying 3,, just can pipeline 3 be inserted in the fittings body 1 as long as earlier tightening nut 4 is unclamped a little; Tightening nut 4 is tightened, when tightening solid nut, the second inclined-plane 41 of tightening nut is rotated down and contacts with the corresponding surface of seal ring 2 again; When tightening nut 4 is tightened more downwards; Second inclined-plane 41 is the downward corresponding surface of crush seal circle 2 also, make seal ring along the second inclined-plane 41 inside banding pipelines 3, thereby the assurance sealability.
Claims (1)
1. slip joint comprises fittings body (1), and seal ring (2) is installed in fittings body; Pipeline (3) inserts fittings body and contacts with seal ring, and pipeline and fittings body fix through tightening nut (4), it is characterized in that the inwall of said fittings body (1) two oral area is opened mounting groove (11); The mounting groove upper end is for facing (12) directly; The lower end is first inclined-plane (13), is shaped on second inclined-plane (41) in the oral area lower end of tightening nut (4), and seal ring (2) is installed in the mounting groove (11) of fittings body; The seal ring outer wall is shaped on the corresponding surface that matches with first, second inclined-plane, and corresponding surface contacts with first, second inclined-plane (13,41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120214660U CN202140716U (en) | 2011-06-23 | 2011-06-23 | Telescopic joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120214660U CN202140716U (en) | 2011-06-23 | 2011-06-23 | Telescopic joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202140716U true CN202140716U (en) | 2012-02-08 |
Family
ID=45551774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120214660U Expired - Lifetime CN202140716U (en) | 2011-06-23 | 2011-06-23 | Telescopic joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202140716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455887A (en) * | 2014-11-05 | 2015-03-25 | 桑二红 | Novel telescopic joint |
-
2011
- 2011-06-23 CN CN201120214660U patent/CN202140716U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455887A (en) * | 2014-11-05 | 2015-03-25 | 桑二红 | Novel telescopic joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201866457U (en) | Flange for thermoplastic pipe | |
| CN201032017Y (en) | Conical tube joint | |
| CN202140716U (en) | Telescopic joint | |
| CN206036442U (en) | Quick -operation joint that pipe is connected | |
| CN202176858U (en) | Tightly-hooped type three-way connector with outer threads | |
| CN101382218B (en) | Pipe joint | |
| CN202577554U (en) | Polypropylene mute drainpipe fitting provided with double buckle type threaded connection head | |
| CN202012298U (en) | Novel union | |
| CN101852318B (en) | Flange-type connecting system of compressed air conveying pipeline | |
| CN202041420U (en) | Pressure-proof bursting test machine clamp for plastic pipes | |
| CN103453253A (en) | Hermetically sealed structure for connection of metal pipe fittings | |
| CN203477696U (en) | Novel sealing expansion joint | |
| CN201090854Y (en) | Tube connecting device | |
| CN201858471U (en) | 90-degree elbow pipe quick connector | |
| CN202360965U (en) | Pipeline connection device | |
| CN203099021U (en) | Quick-connecting type full-plastic bend sluice valve | |
| CN202852248U (en) | Insert-type pipeline connecting assembly | |
| CN219388984U (en) | Steel pipe fitting for gas pipeline | |
| CN201014124Y (en) | Large caliber plastic-aluminum pipe connection | |
| CN203421401U (en) | Externally-locked type quick metal connector for plastic pipelines | |
| CN201787258U (en) | Detachable connector for pipe fittings | |
| CN104913140A (en) | Flexible composite pipe connector easy to detach | |
| CN205745739U (en) | A kind of pipe fitting carrying sealing device | |
| CN105333252B (en) | Pipe joint | |
| CN202580376U (en) | Corrugated pipe joint structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |
|
| CX01 | Expiry of patent term |