CN212960297U - Quick connecting structure for pipe fittings - Google Patents
Quick connecting structure for pipe fittings Download PDFInfo
- Publication number
- CN212960297U CN212960297U CN202021185038.8U CN202021185038U CN212960297U CN 212960297 U CN212960297 U CN 212960297U CN 202021185038 U CN202021185038 U CN 202021185038U CN 212960297 U CN212960297 U CN 212960297U
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- clamping sleeve
- inclined surface
- interface
- abutting
- 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
Images
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a pipe fitting quick connection structure, which comprises a pipe fitting and a pipe fitting joint, wherein the pipe fitting joint comprises a joint body, at least one interface is arranged on the joint body, a sealing ring and a clamping sleeve are arranged in the interface, a locking nut is screwed on the interface, a plurality of shrinkage grooves are arranged on the clamping sleeve, and a locking structure which enables the clamping sleeve to shrink inwards along the radial direction is arranged among the clamping sleeve, the locking nut and the interface, so that the clamping sleeve wraps the clamped pipe fitting; the sealing ring is sleeved on the pipe fitting in a sealing manner. The utility model really realizes quick installation and greatly improves the assembly efficiency; the clamping sleeve tightly holds the pipe fitting, so that the connecting and fastening force between the pipe fitting and the joint body is greatly improved, the pipe fitting and the joint body are not easy to fall off, and the problem that the pipe fitting is smooth and easy to fall off due to stainless steel is solved; in addition, the pipe fitting and the clamping sleeve are not easy to fall off, the stability of sealing connection between the sealing ring and the pipe fitting is indirectly improved, and the sealing performance is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of the pipe connection, concretely relates to quick connection structure of pipe fitting.
Background
The pipe joint can be applied to usually between the pipe is connected to the pipe, and the stability, the bearing capacity, the leakproofness of whole pipeline have been decided to firm in connection, the leakproofness between pipe fitting and the pipe joint.
The existing pipe fittings used in families or industries usually adopt aluminum-plastic pipes, and with the continuous progress of society, the demand of people on materials is continuously improved, and the pipe fittings and pipe fitting joints made of stainless steel materials become common choices of people due to the advantages of high strength, long service life and the like. However, the surface of the stainless steel material is smooth, the pipe fitting and the pipe fitting joint cannot be firmly connected after being spliced, the sealing performance between the pipe fitting and the pipe fitting joint is weak, the problems of falling, leakage and the like easily occur, and the existing assembly connection of the pipe fitting and the pipe fitting joint is complex and low in working efficiency.
In addition, when the existing non-metal pipe fittings are connected through pipe fitting joints, the assembly and connection work is complicated, and the whole working efficiency is extremely low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a pipe fitting quick connect structure is provided, it can realize the quick connection of pipe fitting and pipe fitting joint, improves assembly efficiency, and firm in connection degree is high, just, the bearing capacity of whole pipeline is higher, the leakproofness is better.
In order to solve the above technical problem, the utility model relates to a pipe fitting quick connect structure's technical solution does:
the utility model discloses a pipe fitting quick connection structure, which comprises a pipe fitting and a pipe fitting joint, wherein the pipe fitting joint comprises a joint body, at least one interface is arranged on the joint body, a sealing ring and a clamping sleeve are arranged in the interface, a locking nut is screwed on the interface, a plurality of shrinkage grooves are arranged on the clamping sleeve, and a locking structure which enables the clamping sleeve to shrink inwards along the radial direction is arranged among the clamping sleeve, the locking nut and the interface, so that the clamping sleeve wraps the clamped pipe fitting; the sealing ring is sleeved on the pipe fitting in a sealing manner.
The locking structure comprises a first abutting-against inclined surface arranged on the inner wall of the locking nut, a second abutting-against inclined surface arranged at the port of the interface, and a left inclined surface and a right inclined surface which are arranged on the outer wall of the clamping sleeve and are correspondingly matched with the first abutting-against inclined surface and the second abutting-against inclined surface, wherein the first abutting-against inclined surface and the second abutting-against inclined surface move close to each other through the continuous screwing fastening of the locking nut on the interface, so that the left inclined surface and the right inclined surface are synchronously extruded, and the hole diameter of the clamping sleeve is reduced.
The two end faces of the clamping sleeve are respectively provided with a plurality of shrinkage grooves which are uniformly distributed in the circumferential direction, and the shrinkage grooves on the two end faces are alternately distributed one by one.
The shrink-fit groove extends in the axial direction of the ferrule and extends beyond the height centerline of the ferrule.
The middle part of the outer peripheral surface of the cutting sleeve is provided with a plane.
And a limit locking mark is arranged on the joint body.
The sealing ring is installed in the mounting groove of interface inner wall, and is equipped with at least three seal lip on the sealing ring, is equipped with the ring channel between two adjacent seal lips.
The utility model has the advantages that:
compared with the prior art, the quick connecting structure for the pipe fittings can realize the connection and the sealing of the pipe fittings only by penetrating the pipe fittings through the locking nuts and the cutting sleeves to the sealing rings in the interfaces and connecting the locking nuts on the interfaces in a screwed mode in place, the whole assembling process is simple and effective, and the working efficiency is greatly improved;
compared with the prior art, the utility model discloses a quick connection structure of pipe fitting through rotatory locking nut, through first abutting inclined plane drive left inclined plane, makes the cutting ferrule along axial displacement to make right inclined plane abut on the second abutting inclined plane, makes the cutting ferrule contract radially inwards then, reaches the reduction of hole aperture, thereby can hold tightly the pipe fitting of inserting in the cutting ferrule hole, and the sealing washer has played sealed effect between pipe fitting and the interface;
compared with the prior art, the pipe fitting quick connection structure has the advantages that the plurality of shrinkage grooves are distributed on the two end faces of the cutting sleeve at intervals, so that the cutting sleeve is uniformly shrunk inwards in the radial direction, the tightening acting force on the pipe fitting is uniformly distributed, and the connection firmness between the cutting sleeve and the pipe fitting is improved;
compared with the prior art, the pipe fitting quick connection structure has the advantages that the shrinkage groove extends over the height center line position of the clamping sleeve, is easy to deform and shrink, and is beneficial to the clamping sleeve to shrink inwards and synchronously integrally and uniformly when the clamping sleeve shrinks inwards along the radial direction, so that the clamping connection between the pipe fitting and the shrinkage groove is more stable;
compared with the prior art, the pipe fitting quick connection structure of the utility model has the advantages that the plane is arranged in the middle of the outer peripheral surface of the clamping sleeve, so that the bearing capacity of the middle part of the clamping sleeve is improved, and the clamping sleeve provides supporting force in the processes of inward shrinkage stress and outward recovery along the radial direction;
compared with the prior art, the pipe fitting quick connection structure of the utility model is provided with the limit locking mark on the joint body, when the locking nut reaches the limit locking mark, the shrinkage of the cutting ferrule is proved and the maximum value is reached;
compared with the prior art, the utility model discloses a pipe fitting quick connect structure, sealing washer are in the mounting groove, and the structure of the ring channel between two adjacent seal lips, when sealing up the pipe fitting, can play better sealing performance.
To sum up, the quick pipe fitting connecting structure of the utility model really realizes quick installation, and greatly improves the assembly efficiency; the clamping sleeve tightly holds the pipe fitting, so that the connecting and fastening force between the pipe fitting and the joint body is greatly improved, and the pipe fitting and the joint body are not easy to fall off; in addition, the pipe fitting and the clamping sleeve are not easy to fall off, the stability of sealing connection between the sealing ring and the pipe fitting is indirectly improved, and the sealing performance is greatly improved due to the structural characteristic of the sealing ring.
Drawings
FIG. 1 is a sectional view of the quick pipe connection structure of the present invention;
fig. 2 is a half sectional view of the joint body of the quick pipe connection structure of the present invention;
fig. 3 is an exploded perspective view of the quick pipe connection structure of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following drawings and detailed description:
referring to fig. 1 to 3, the present invention provides a pipe fitting fast connection structure, including a pipe fitting 1 and a pipe fitting joint 2, where the pipe fitting joint 2 includes a joint body 3, the joint body 3 may be a straight-through type or a bent-pipe type, and any pipe fitting, the joint body 3 is provided with at least one interface 4, the joint body 3 with one interface 4 is used as a plug, the joint bodies 3 with multiple interfaces 4 are used as a circulation pipe, a sealing ring 5 and a ferrule 6 are arranged in the interface 4, a locking nut 7 is screwed on the interface 4, the locking nut 7 is a loose joint nut, a through hole 8 is arranged in the middle for passing through the pipe fitting 1, the ferrule 6 is provided with a plurality of shrinkage grooves 9, the shrinkage grooves 9 are straight grooves, and a locking structure for making the ferrule 6 shrink inward along a radial direction is arranged between the ferrule 6, the locking nut 7 and the interface 4, so that the clamping sleeve 6 wraps the clamping pipe fitting 1; the sealing ring 5 is sleeved on the pipe fitting 1 in a sealing manner.
The locking structure comprises a first abutting inclined surface 10 arranged on the inner wall of the locking nut 7, a second abutting inclined surface 11 arranged at the port of the interface 4, and a left inclined surface 12 and a right inclined surface 13 which are arranged on the outer wall of the ferrule 6 and are correspondingly matched with the first abutting inclined surface 10 and the second abutting inclined surface 11, wherein the first abutting inclined surface 10 and the second abutting inclined surface 11 move in opposite directions in a close mode through continuous screw connection fastening of the locking nut 7 on the interface 4, so that the left inclined surface 12 and the right inclined surface 13 are synchronously extruded, and the aperture of an inner hole 14 of the ferrule 6 is reduced.
The two end faces of the cutting sleeve 6 are respectively provided with a plurality of contraction grooves 9 which are uniformly distributed on the circumference, and the contraction grooves 9 on the two end faces are alternately distributed one by one.
Said constriction 9 extends in the axial direction of the ferrule 6, and the constriction 9 extends beyond the height median position of the ferrule 6.
The middle part of the outer peripheral surface of the cutting sleeve 6 is provided with a plane 15.
The joint body 3 is provided with a limit locking mark 16.
The sealing ring 5 is arranged in an installation groove 17 on the inner wall of the connector 4, at least three sealing lips 18 are arranged on the sealing ring 5, and an annular groove 19 is arranged between every two adjacent sealing lips 18.
It is following right the utility model discloses a pipe fitting quick connect structure's installation principle makes the explanation:
the utility model discloses a pipe fitting quick connect structure, when the installation, at first loosen lock nut 7 from connecting body 3, insert lock nut 7's through-hole 8 with the one end of pipe fitting 1 in proper order after that, cutting ferrule 6's hole 14 and be in the sealing washer 5 in mounting groove 17, spacing end 20 in connecting body 3, then, lock nut 7 spiro union is on interface 4, thereby make lock nut 7 be close to along axial towards limit locking sign 16 direction, until reaching limit locking sign 16 position, in this process, first abutting inclined plane 10 in the lock nut 7, second abutting inclined plane 11 in the interface 4 is acted on respectively and is leaned on left inclined plane 12, right inclined plane 13 of cutting ferrule 6, because first abutting inclined plane 10, second abutting inclined plane 11 is symmetrical structure, and left inclined plane 12 is symmetrical structure with right inclined plane 13, so, first abutting inclined plane 10, The second abutting inclined surface 11 oppositely extrudes the left inclined surface 12 and the right inclined surface 13, at this time, the first abutting inclined surface 10 and the second abutting inclined surface 11 have axial acting force and radial acting force on the left inclined surface 12 and the right inclined surface 13, and the left inclined surface 12 and the right inclined surface 13 are limited by the first abutting inclined surface 10 and the second abutting inclined surface 11 in the axial direction, so that the cutting sleeve 6 can not move in the axial direction after being extruded, and the cutting sleeve 6 is provided with a plurality of contraction grooves 9, so that the radial acting force causes the cutting sleeve 6 to have contraction displacement inwards in the radial direction, the contraction grooves 9 are gradually compressed and closed, thereby the aperture of the inner hole 14 of the cutting sleeve 6 is reduced, the inner wall of the inner hole 14 of the cutting sleeve 6 is gradually increased in size relative to the clasping acting force of the pipe fitting 1, when the locking nut 7 reaches the position of the limit locking mark 16, the radial acting force of the locking nut 7 relative to the cutting sleeve 6 is maximized, the clamping sleeve 6 has the largest holding force on the pipe fitting 1, and then the assembling process is completed.
After the pipe fitting 1 and the joint body 3 are assembled, the torque force between the lock nut 7 and the joint body 3 reaches 30N.m through testing; under the water pressure of 2.5MPa-4.0MPa, the water pressure lasts for 12 hours, and the leakage phenomenon does not exist at the connecting position; through the test, exert the drawing effort of 3KN of opposite direction to pipe fitting 1, joint body 3 to draw at the speed of 2mm/min to pipe fitting 1, joint body 3, the obscission of pipe fitting 1 and joint body 3 does not appear.
In conclusion, by adopting the quick pipe connection structure of the utility model, the pipe 1 and the joint body 3 formed by connection have longer service life, better and superior performance and better stability; in addition, the utility model discloses a quick connection structure of pipe fitting is applicable to the pipe fitting of the material that the surface smoothness is higher such as stainless steel pipe, copper pipe, and is applicable to the stainless steel pipe spare that circulates in the market, need not carry out extra processing, can realize connecting, saves cost such as processing greatly; the utility model discloses a quick connect structure still is applicable to non-metallic material's pipe fitting.
The above detailed description is made on the quick connection structure for pipe fittings provided by the embodiment of the present invention, and the detailed embodiment is applied to explain the principle and the implementation manner of the present invention, and the above description of the embodiment is only used to help understanding the technical solution disclosed by the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (7)
1. The utility model provides a pipe fitting quick connect structure, includes that pipe fitting and pipe fitting connect, the pipe fitting connects including connecting the body, it is equipped with at least one interface, its characterized in that on the joint body: a sealing ring and a clamping sleeve are arranged in the interface, a locking nut is screwed on the interface, a plurality of shrinkage grooves are arranged on the clamping sleeve, and a locking structure which enables the clamping sleeve to shrink inwards along the radial direction is arranged among the clamping sleeve, the locking nut and the interface, so that the clamping sleeve wraps and clamps the pipe fitting; the sealing ring is sleeved on the pipe fitting in a sealing manner.
2. A quick coupling structure for pipe members as claimed in claim 1, wherein: the locking structure comprises a first abutting-against inclined surface arranged on the inner wall of the locking nut, a second abutting-against inclined surface arranged at the port of the interface, and a left inclined surface and a right inclined surface which are arranged on the outer wall of the clamping sleeve and are correspondingly matched with the first abutting-against inclined surface and the second abutting-against inclined surface, wherein the first abutting-against inclined surface and the second abutting-against inclined surface move close to each other through the continuous screwing fastening of the locking nut on the interface, so that the left inclined surface and the right inclined surface are synchronously extruded, and the hole diameter of the clamping sleeve is reduced.
3. A quick coupling structure for pipe members as claimed in claim 1, wherein: the two end faces of the clamping sleeve are respectively provided with a plurality of shrinkage grooves which are uniformly distributed in the circumferential direction, and the shrinkage grooves on the two end faces are alternately distributed one by one.
4. A pipe fitting quick-connect structure as claimed in claim 1 or 3, wherein: the shrink-fit groove extends in the axial direction of the ferrule and extends beyond the height centerline of the ferrule.
5. A quick coupling structure for pipe members as claimed in claim 1, wherein: the middle part of the outer peripheral surface of the cutting sleeve is provided with a plane.
6. A quick coupling structure for pipe members as claimed in claim 1, wherein: and a limit locking mark is arranged on the joint body.
7. A quick coupling structure for pipe members as claimed in claim 1, wherein: the sealing ring is installed in the mounting groove of interface inner wall, and is equipped with at least three seal lip on the sealing ring, is equipped with the ring channel between two adjacent seal lips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021185038.8U CN212960297U (en) | 2020-06-23 | 2020-06-23 | Quick connecting structure for pipe fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021185038.8U CN212960297U (en) | 2020-06-23 | 2020-06-23 | Quick connecting structure for pipe fittings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212960297U true CN212960297U (en) | 2021-04-13 |
Family
ID=75386952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021185038.8U Active CN212960297U (en) | 2020-06-23 | 2020-06-23 | Quick connecting structure for pipe fittings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212960297U (en) |
-
2020
- 2020-06-23 CN CN202021185038.8U patent/CN212960297U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4119335A (en) | Pipe and tubing connectors | |
| AU625643B2 (en) | A pipe coupling | |
| CN111473173A (en) | Soft sealing mechanism of cutting ferrule formula joint | |
| CN212960297U (en) | Quick connecting structure for pipe fittings | |
| CN2644836Y (en) | Collar clamp for connecting end socket tube | |
| CN219775076U (en) | Multipurpose corrugated pipe joint | |
| CN209977517U (en) | Quick hose coupler | |
| CN215981379U (en) | Cutting ferrule formula quick detach connects | |
| CN109268592B (en) | Connecting device suitable for transformer oil drain valve | |
| CN1038868A (en) | Quick-mountable pipe jointer | |
| US5299842A (en) | Fluid line clamp | |
| CN212986377U (en) | Stainless steel fast-plugging groove pipe fitting | |
| CN214741642U (en) | Reverse integrated adapter connector for engine oil cooler | |
| CN212616855U (en) | Pipeline connecting structure | |
| CN212407857U (en) | Soft sealing mechanism of cutting ferrule formula joint | |
| CN211693893U (en) | Anti-drop connects with tight clamping ring that rises | |
| CN108980486B (en) | Water leakage prevention pipeline and installation and construction method thereof | |
| CN210600609U (en) | Medium and low pressure pipeline leaking stoppage device with pressure | |
| CN220249218U (en) | Novel quick-connect plug | |
| CN212745403U (en) | Groove-free pipeline connecting piece | |
| CN220980588U (en) | Stainless steel pipe coupling assembling | |
| CN216520230U (en) | Mechanical connecting device for connecting plastic pipe and groove pipe fitting | |
| CN219796442U (en) | Pipe connection clamp | |
| CN216201472U (en) | Hydraulic pipeline connecting assembly easy to assemble and disassemble and good in air tightness | |
| CN210510629U (en) | Ultra-low temperature dual-phase steel flange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |