CN220082388U - Clamping and pressing loose joint pipe fitting - Google Patents
Clamping and pressing loose joint pipe fitting Download PDFInfo
- Publication number
- CN220082388U CN220082388U CN202321669136.2U CN202321669136U CN220082388U CN 220082388 U CN220082388 U CN 220082388U CN 202321669136 U CN202321669136 U CN 202321669136U CN 220082388 U CN220082388 U CN 220082388U
- Authority
- CN
- China
- Prior art keywords
- clamping
- sealing ring
- nut
- elbow
- loose joint
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000011092 plastic-coated paper Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Joints With Pressure Members (AREA)
Abstract
The utility model relates to a clamping and pressing loose joint pipe fitting, which comprises an elbow, wherein one end of the elbow is provided with a flaring unit, the radial end of the flaring unit is externally protruded with a clamping and pressing part, a sealing ring is embedded in the clamping and pressing part, and the flaring unit is connected with a pipeline; the other end of the elbow is provided with a loose joint component, the loose joint component comprises a nut and a limiting protrusion arranged on the radial end of the elbow, the nut is sleeved on the elbow and is limited to be separated from the elbow through the limiting protrusion, the elbow is sleeved with a sealing ring, the sealing ring is in contact with the limiting protrusion, and the elbow is fixedly connected with the water meter or the valve through the loose joint component; according to the utility model, the flaring unit with the clamping and pressing part is arranged at one end of the bent pipe, so that a narrow space on one side is met, the installation is very convenient, the sealing performance is good, the movable joint component is arranged at the other end of the bent pipe, the first sealing ring is sleeved on the bent pipe and is abutted against the limiting bulge, the sealing ring is not damaged in the screwing process of the nut, and the sealing performance is better.
Description
Technical Field
The utility model belongs to the technical field of connecting pieces, and particularly relates to a clamping and pressing movable joint pipe fitting.
Background
The loose joint pipe fitting is a common pipeline connecting piece which can be conveniently installed and detached, can be widely applied to pipelines with different calibers, and can also be applied to water meters, valves and the like; when two ends of the existing loose joint pipe fitting are connected with a pipeline and a water meter or a valve, the two ends of the existing loose joint pipe fitting are basically fixed in a threaded mode, namely, a nut and external threads of the pipeline are screwed and fixed, if the installation is improper, leakage is easy to occur for a long time, then an existing research and development personnel can embed a sealing ring on the inner wall of the bottom of the nut, sealing is realized after the nut and the pipeline are screwed, friction is formed between the sealing ring and the pipeline when the nut is screwed, and therefore the sealing ring is damaged, and leakage occurs for a long time in the sealing mode; in addition, the installation mode can cause very inconvenient installation when meeting a narrow space with a single side, particularly an elbow pipe.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the clamping movable joint pipe fitting which has good sealing performance and is convenient to install.
The utility model aims at solving the problems by the following technical scheme that the clamping and pressing movable joint pipe fitting comprises an elbow, wherein one end of the elbow is provided with a flaring unit, the radial end of the flaring unit is externally protruded with a clamping and pressing part, a second sealing ring is embedded in the clamping and pressing part, and the flaring unit is connected with a pipeline; the other end of the elbow is provided with a loose joint component, the loose joint component comprises a nut and a limiting protrusion arranged on the radial end of the elbow, the nut is sleeved on the elbow and limited by the limiting protrusion to separate from the elbow, a first sealing ring is sleeved on the elbow and is in contact with the limiting protrusion, and the elbow is fixedly connected with a water meter or a valve through the loose joint component.
The beneficial effects of the utility model are as follows: compared with the prior art, through the flaring unit that has the card portion of pressing in the one end setting of return bend like this for meet the relatively narrow and small space of unilateral, the installation is very convenient and sealing performance is good, establishes the loose joint subassembly at the other end of return bend, and the cover has first sealing washer and contradicts with spacing arch on the return bend, makes the nut can not harm the sealing washer at screwing up the in-process like this, sealing performance is better.
Preferably, the inner diameter of the flaring unit is larger than the inner diameter of the bent pipe, and the flaring unit and the bent pipe are formed in a transition mode through inclined chamfer angles; through the arrangement of the structure, the pipeline can be smoothly inserted into the flaring unit of the bent pipe and is propped against the inclined chamfer.
Preferably, the clamping and pressing part protrudes outwards towards the radial end of the flaring unit and forms an embedding groove capable of embedding a second sealing ring, the second sealing ring is embedded in the embedding groove, and the inner ring of the second sealing ring protrudes out of the inner wall of the flaring unit; through the arrangement of the structure, after the pipeline is inserted into the flaring unit, the second sealing ring can be tightly matched and connected with the outer diameter wall of the pipeline through the clamping and pressing of the clamping and pressing part.
Preferably, a layer of plastic-coated paper is adhered to the outer side of the clamping and pressing part; through setting up the plastic paper that covers, can in time discover the card leakage phenomenon in card pressure portion card pressure in-process.
Preferably, the limiting protrusion is integrally formed on the radial outer peripheral wall of the elbow, the outer diameter of the limiting protrusion is smaller than the inner diameter of the nut, and the difference between the outer diameter of the limiting protrusion and the inner diameter of the nut is two millimeters; the integrated into one piece makes between spacing arch and the return bend be difficult to take place to leak, sets up simultaneously with the difference between the nut for clearance between the two is littleer, promotes sealing performance.
Preferably, the limiting protrusion comprises an upper edge and a lower edge, the upper edge and the lower edge are integrally formed on the radial outer peripheral wall of the elbow, and the upper edge is tightly attached to the lower edge; therefore, leakage is not easy to occur between the limiting bulge and the bent pipe, and the leakage problem of the welding mode fixed after long-time use is avoided.
Preferably, the outer diameter of the first sealing ring is equal to the outer diameter of the limiting protrusion; therefore, the first sealing ring cannot generate friction phenomenon in the nut screwing process, the first sealing ring cannot be damaged, and the sealing performance is better.
Drawings
Fig. 1 is a schematic diagram of the front view structure of the present utility model.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
The reference numerals in the drawings are respectively: 1. bending the pipe; 2. a flaring unit; 3. a clamping and pressing part; 4. a second seal ring; 5. a loose joint assembly; 6. a first seal ring; 7. chamfering obliquely; 8. coating plastic paper; 31. an embedding groove; 51. a nut; 52. a limit protrusion; 52-1, upper edge; 52-2, lower edge.
Detailed Description
The utility model will be described in detail below with reference to the attached drawings: as shown in figures 1 and 2, the utility model comprises an elbow pipe 1, one end of the elbow pipe 1 is provided with a flaring unit 2, the radial end of the flaring unit 2 is externally protruded with a clamping and pressing part 3, the clamping and pressing part 3 is internally embedded with a second sealing ring 4, and the flaring unit 2 is connected with a pipeline; the other end of the elbow pipe 1 is provided with a loose joint component 5, the loose joint component 5 comprises a nut 51 and a limiting protrusion 52 arranged on the radial end of the elbow pipe 1, the nut 51 is sleeved on the elbow pipe 1 and limits the nut 51 to be separated from the elbow pipe 1 through the limiting protrusion 52, the elbow pipe 1 is sleeved with a first sealing ring 6, the first sealing ring 6 is in contact with the limiting protrusion 52, and the elbow pipe 1 is fixedly connected with a water meter or a valve through the loose joint component 5. The outer diameter of the first seal ring 6 is equal to the outer diameter of the limit projection 52.
The inner diameter of the flaring unit 2 is larger than that of the elbow pipe 1, and the flaring unit 2 and the elbow pipe 1 are formed in a transition mode through an inclined chamfer 7.
The clamping and pressing part 3 protrudes outwards towards the radial end of the flaring unit 2 and forms an embedded groove 31 capable of being embedded into the second sealing ring 4, the second sealing ring 4 is embedded into the embedded groove 31, and the inner ring of the second sealing ring 4 protrudes out of the inner wall of the flaring unit 2.
The outer side of the clamping and pressing part 3 is stuck with a layer of plastic-coated paper 8. Under normal conditions, when the clamping and pressing part 3 is installed by using a special tool, the plastic coated paper 8 can automatically fall off, and when the phenomenon of card leakage occurs in the installation process, the plastic coated paper 8 can play a good role in warning, so that the phenomenon of card leakage is very easy to find, and the possibility of card leakage in the installation process is eliminated.
The limiting bulge 52 is integrally formed on the radial peripheral wall of the bent pipe 1, the outer diameter of the limiting bulge 52 is smaller than the inner diameter of the nut 51, and the difference between the outer diameter of the limiting bulge 52 and the inner diameter of the nut 51 is two millimeters; the limiting projection 52 comprises an upper edge 52-1 and a lower edge 52-2, the upper edge 52-1 and the lower edge 52-2 are integrally formed on the radial peripheral wall of the bent pipe 1, and the upper edge 52-1 is tightly attached to the lower edge 52-2.
The working principle of the utility model is as follows: one end of the bent pipe 1 is connected with a pipeline through the flaring unit 2, the second sealing ring 4 is tightly attached to the pipeline through the clamping and pressing part 3 and by adopting a special tool, the other end of the bent pipe 1 is tightly screwed and connected with a connecting port of a water meter or a valve through a nut 51, the end face of the connecting port is propped against the first sealing ring 6, the first sealing ring 6 is compressed and expanded radially along the axial direction of the bent pipe 1, and therefore a gap between the outer diameter of the limiting protrusion 52 and the inner diameter of the nut 51 is sealed, and the sealing performance is greatly improved.
The present utility model is not limited to the above embodiments, and any modification of the structural design provided by the present utility model, regardless of any changes in shape or material composition, should be considered as being within the scope of the present utility model.
Claims (7)
1. The utility model provides a clamping loose joint pipe fitting, includes return bend (1), its characterized in that: one end of the bent pipe (1) is provided with a flaring unit (2), the radial end of the flaring unit (2) is externally protruded with a clamping and pressing part (3), the clamping and pressing part (3) is internally embedded with a second sealing ring (4), and the flaring unit (2) is connected with a pipeline; the other end of return bend (1) is equipped with loose joint subassembly (5), loose joint subassembly (5) include nut (51) and set up spacing arch (52) on return bend (1) radial end, nut (51) cup joint on return bend (1) and pass through spacing arch (52) are restricted nut (51) break away from return bend (1), it has first sealing washer (6) to overlap on return bend (1), just first sealing washer (6) with spacing arch (52) are inconsistent, will through loose joint subassembly (5) return bend (1) are connected fixedly with water gauge or valve.
2. The snap-fit fitting of claim 1, wherein: the inner diameter of the flaring unit (2) is larger than that of the bent pipe (1), and the flaring unit (2) and the bent pipe (1) are formed in a transition mode through an inclined chamfer (7).
3. The snap-fit fitting of claim 1, wherein: the clamping and pressing part (3) protrudes outwards towards the radial end of the flaring unit (2) and forms an embedded groove (31) capable of being embedded into the second sealing ring (4), the second sealing ring (4) is embedded into the embedded groove (31), and the inner ring of the second sealing ring (4) protrudes out of the inner wall of the flaring unit (2).
4. The snap-fit fitting of claim 1, wherein: the outer side of the clamping and pressing part (3) is stuck with a layer of plastic-coated paper (8).
5. The snap-fit fitting of claim 1, wherein: the limiting protrusion (52) is integrally formed on the radial outer peripheral wall of the elbow (1), the outer diameter of the limiting protrusion (52) is smaller than the inner diameter of the nut (51), and the difference between the outer diameter of the limiting protrusion (52) and the inner diameter of the nut (51) is two millimeters.
6. The snap-fit fitting of claim 5, wherein: the limiting protrusion (52) comprises an upper edge (52-1) and a lower edge (52-2), the upper edge (52-1) and the lower edge (52-2) are integrally formed on the radial peripheral wall of the bent pipe (1), and the upper edge (52-1) is tightly attached to the lower edge (52-2).
7. The snap-fit fitting of claim 1, wherein: the outer diameter of the first sealing ring (6) is equal to the outer diameter of the limiting protrusion (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321669136.2U CN220082388U (en) | 2023-06-29 | 2023-06-29 | Clamping and pressing loose joint pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321669136.2U CN220082388U (en) | 2023-06-29 | 2023-06-29 | Clamping and pressing loose joint pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220082388U true CN220082388U (en) | 2023-11-24 |
Family
ID=88819187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321669136.2U Active CN220082388U (en) | 2023-06-29 | 2023-06-29 | Clamping and pressing loose joint pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220082388U (en) |
-
2023
- 2023-06-29 CN CN202321669136.2U patent/CN220082388U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107084258B (en) | Butt-clamping fluorine ball valve | |
| CN201615300U (en) | High-pressure pipeline flange connecting structure | |
| CN220082388U (en) | Clamping and pressing loose joint pipe fitting | |
| CN204005015U (en) | Seal assembly | |
| CN216692169U (en) | Stop valve | |
| CN211289108U (en) | Novel building heating and ventilation pipeline connecting device | |
| CN210770734U (en) | Metal plastic composite pipe port reinforcing end face sealing device | |
| CN2364306Y (en) | Insertion type connecting pipe fitting for pipeline | |
| CN202100849U (en) | Connecting structure of spinning pipe fitting | |
| CN208268581U (en) | A kind of elastic packing cutting ferrule | |
| CN205136870U (en) | Fire oil pipe connection structure | |
| CN2459514Y (en) | Thin wall stainless steel high-pressure water pipe joint | |
| CN201137771Y (en) | Flange pipe jointing device | |
| CN2320873Y (en) | Pipe joint | |
| CN214500070U (en) | Anti-leakage pipe fitting | |
| CN2328845Y (en) | Pipe fitting for water central heating | |
| CN205424246U (en) | Novel pipeline joint | |
| CN2777324Y (en) | Novel pipeline parts | |
| CN201359129Y (en) | Ball valve connecting device | |
| CN210716488U (en) | Union joint | |
| CN218063777U (en) | Elastic sealing metal ferrule type pipe joint | |
| CN202074169U (en) | Press fitting pipe elbow | |
| CN204692844U (en) | Gas range connects the socket connection set with metallic cover flexible pipe | |
| CN211693884U (en) | Water tap connecting structure | |
| CN201574479U (en) | Pressure-bearing vertical pipe access opening structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |