CN212430109U - Plug-and-play pipeline quick connector - Google Patents

Abstract

The utility model discloses a plug-and-play pipeline quick-assembly joint, which comprises a joint main body, a sealing element, a locking structure and a quick-disassembly structure, wherein the joint main body is provided with a plurality of interface ends for connecting pipelines, each interface end is provided with an inner positioning step and an outer positioning step, and the inner positioning step is a positioning surface of an insertion end surface of the pipeline; the sealing element is tightly pressed on the outer positioning step and sealed between the inner wall of the interface end and the outer wall of the pipeline; the locking structure is fixed in the connector end and is provided with a disc spring fixed on a disc spring seat, the disc spring seat is pressed at one end of the sealing element, and the sharp teeth of the disc spring are pushed into the locking pipeline in the outer wall of the pipeline; the quick-release structure is fixed with the interface end and props against the disc spring, external force is applied to push and press the disc spring, and the sharp teeth are separated from the outer wall of the pipeline. The utility model provides a plug-and-play pipeline fast-assembling connects adopts the mode of quick lock joint, and convenient and fast is dismantled in the installation, and is with low costs, is fit for the extensive automated production assembly of mill, is applied to various fluid pipeline's connection.

Description

Plug-and-play pipeline quick connector

Technical Field

The utility model relates to a pipe joint specifically is a plug-and-play pipeline quick-assembling connects.

Background

The existing pipeline quick connector comprises a brass body and a locking structure, the brass body has high processing technology precision requirement, and the processing procedures are multiple, so that the processing cost is higher; the dish spring retaining member among the locking structure became invalid easily, and the dish spring can unable the recovering after dismouting many times, can not guarantee that the dish spring eats and targets in place, can appear the unable circumstances that blocks. In addition, the pipeline installation has the defects of low construction efficiency, unremovable performance or the need of tool disassembly.

Therefore, there is a need to solve the above technical problems.

Disclosure of Invention

The utility model discloses to above technical problem, provide a plug and play pipeline fast-assembling connects, adopt the mode of quick lock joint, convenient and fast is dismantled in the installation, reduces by a wide margin for the joint cost of brass body, is fit for the extensive automated production assembly of mill, is applied to the connection of various fluid pipeline.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a plug and play pipe quick coupler comprising:

the connector comprises a connector main body and a connector main body, wherein the connector main body is provided with a plurality of connector ends connected with pipelines, the connector ends are provided with inner positioning steps and outer positioning steps, and the inner positioning steps are positioning steps of the insertion end surfaces of the pipelines;

the sealing element is tightly pressed on the outer positioning step and sealed between the inner wall of the interface end and the outer wall of the pipeline;

locking structure is fixed in inside the interface end, press in sealing member one end includes:

the disc spring is provided with a plurality of sharp teeth which eat into the outer wall of the pipeline and lock the pipeline; and

the disc spring seat is used for fixing the disc spring; and

and the quick-release structure is fixed with the interface end, props against the disc spring, applies external force to push and press the disc spring, and the sharp teeth are separated from the outer wall of the pipeline.

The plug-and-play pipeline quick connector directly forms an inner positioning step and an outer positioning step at the interface end of the connector main body for positioning the pipeline and the sealing element, so that the process of part machining is omitted, and the cost is saved; after the pipeline is inserted, the sharp teeth are eaten into the outer wall of the pipeline through the elasticity of the disc spring to lock the pipeline, so that the installation is convenient, and the structure is simple and reliable; external force is applied to the quick-release structure to push the disc spring to enable the sharp teeth to be separated from the pipeline, and the pipeline is detached and convenient to detach; the installation of the pipeline realizes plug and play, fast-assembling quick detach.

The disc spring is further provided with a disc which is conical, one end of the disc is the sharp tooth, the other end of the disc extends out of the positioning edge, and the disc is provided with a plurality of disc grooves. The positioning edge is used for positioning when the disc spring is installed, and the disc groove enables the disc to have more flexible elasticity.

The positioning edge extends axially to the direction of the sharp tooth and is provided with a plurality of long grooves and positioning holes;

the disc spring seat is provided with a plurality of strip-shaped bulges, positioning bulges and buckle inner recesses;

the interface end is provided with a plurality of inner bulges;

the positioning edge is buckled on the disc spring seat, the long strip protrusion is positioned in the long strip groove, and the positioning protrusion is positioned in the positioning hole; the inner bulge penetrates through the positioning hole to be buckled into the buckle inner recess.

The dish spring is located the rectangular inslot through rectangular arch with dish spring seat, and the location is protruding to be detained and is formed an subassembly in the locating hole, the factory production assembly of being convenient for. The positioning edge extends outwards to form a sleeve shape, so that the disc spring has better elasticity and stronger fatigue resistance and is less prone to failure; the positioning edge is sleeved on the disc spring seat and is tightly attached to the inner wall of the interface end, so that the concentricity of the disc spring and the pipeline is ensured. The interface end is provided with an inner bulge which passes through the positioning hole and is buckled into the buckle inner recess, and the disc spring is fixed at the preset position of the interface end, so that the assembly and disassembly are convenient.

The positioning edge axially extends towards the direction of the quick-release structure and is tightly attached to the inner wall of the interface end, and the positioning edge is provided with a plurality of strip grooves;

the disc spring seat is provided with a plurality of fastener recesses;

the interface end is provided with a plurality of inner bulges which are buckled into the inner concave of the buckle.

The locating edge extends outwards to form a sleeve shape, the disc spring is better in elasticity, stronger in fatigue resistance and less prone to failure. The interface end is provided with an inner bulge which is buckled into the buckle inner recess of the disc spring seat, and the disc spring seat is fixed at the preset position of the interface end, so that the assembly and disassembly are convenient.

Further the positioning rim extends radially;

the locking structure further comprises a disc spring pressing ring, and the disc spring pressing ring presses the positioning edge. The disc spring is fixed by pressing the positioning edge of the radial extension of the disc spring through the disc spring pressing ring, and the disc spring is convenient to disassemble and assemble.

Further the quick release structure comprises:

the pressing ring is pushed, one end of the pressing ring is a pressing ring tip, the other end of the pressing ring is a pressing ring end face, and the pressing ring tip pushes against the disc spring;

the compression sleeve is provided with a sleeve inner recess and a sleeve ring surface, the top compression ring is positioned in the compression sleeve, and the sleeve ring surface is pressed on the end surface of the compression ring;

the interface end is provided with a plurality of buckling holes, the compression sleeve is sleeved outside the interface end, and the sleeve is inwards buckled in the buckling holes.

The sleeve of the compression sleeve is inwards recessed and buckled into the buckling hole of the joint end, so that the compression sleeve and the joint end of the joint main body are fixed, and the assembly and disassembly are convenient; the pressing sleeve is pressed, the pressing ring tip of the pressing ring jacks the disc spring, the sharp teeth of the disc spring are separated from the outer wall of the pipeline, the pipeline can be disassembled, and the pipeline is convenient to disassemble.

Further the interface end has a plurality of axial slots extending inwardly from the end face. The interface end provided with the axial groove increases the elasticity of the interface end, and the parts are convenient to mount and dismount.

The quick-release structure is further a top pressing fixing ring, one end of the quick-release structure is a fixing ring tip, the other end of the quick-release structure is a fixing ring end face, and a fixing ring groove is formed in the middle of the quick-release structure; the tip end of the fixing ring is propped against the disc spring; the end surface of the fixing ring is an external force pressing surface;

the joint end is provided with an expansion pipe, and the end part of the expansion pipe is provided with a bent edge; the tip of the fixing ring extends into the expanding tube, and the bent edge is buckled into the groove of the fixing ring.

The jacking fixing ring extends into the expanding tube, and the bent edge of the expanding tube is buckled into the fixing ring groove of the jacking fixing ring to fix the jacking fixing ring, so that the mounting and dismounting are convenient; the top pressing fixed ring's solid fixed ring point jack-up dish spring, the sharp tooth of dish spring breaks away from the pipeline outer wall, and the pipeline can be torn open, and the pipeline is dismantled conveniently.

Furthermore, the jacking fixing ring is provided with a plurality of axial deformation grooves. The deformation groove of the jacking fixing ring enables the mounting and dismounting of the deformation groove at the interface end to be convenient and fast.

Further, the sealing element is an annular sealing gasket or a plurality of O-shaped rings.

Compared with the prior art, the utility model have following technical advantage:

1. the installation mode of quick buckling is adopted, so that the method is suitable for large-scale automatic production and assembly;

2. the device is suitable for the connection of various fluid pipelines and meets the requirements and standards of international drinking water conveying pipelines;

3. the sealing performance is good, the pipeline is convenient to install, and the quick insertion and disassembly can be realized;

4. the disc spring has better elasticity and stronger fatigue resistance and is less prone to failure;

5. the joint can be quickly disassembled without tools.

Drawings

FIG. 1 is a single-sided cross-sectional view of a first embodiment of the present invention;

fig. 2 is a perspective view of a first embodiment of the present invention;

FIG. 3 is an assembled cross-sectional view of a first embodiment of the present invention;

FIG. 4 is a cross-sectional view E-E of FIG. 3;

FIG. 5 is an enlarged view of F in FIG. 4;

FIG. 6 is a perspective view of the connector body of FIG. 1;

FIG. 7 is a cross-sectional view of the locking structure of FIG. 1;

FIG. 8 is an auxiliary view of the locking structure of FIG. 7;

FIG. 9 is an exploded view of the locking structure of FIG. 7;

FIG. 10 is a cross-sectional exploded view of the quick release structure of FIG. 1;

FIG. 11 is an exploded perspective view of the quick release structure of FIG. 10;

FIG. 12 is a single-sided exploded view of a first embodiment of the present invention;

FIG. 13 is a perspective view of a second embodiment joint body of the present invention;

fig. 14 is a single-sided cross-sectional view of a third embodiment of the present invention;

fig. 15 is a perspective view of a third embodiment of the present invention;

fig. 16 is a perspective view of a top pressure fixing ring according to a third embodiment of the present invention;

fig. 17 is a single-sided cross-sectional view of a fourth embodiment of the present invention;

fig. 18 is an exploded view of a locking structure of a fourth embodiment of the present invention;

fig. 19 is a single-sided cross-sectional view of a fifth embodiment of the present invention;

fig. 20 is a single-sided cross-sectional view of a sixth embodiment of the present invention;

fig. 21 is an exploded view of a sixth embodiment of the locking structure of the present invention.

Detailed Description

The invention will be described in further detail below with reference to embodiments shown in the drawings.

As shown in fig. 1-12, a first embodiment of a plug and play pipe quick coupler of the present invention. As shown in fig. 1, this embodiment includes a joint body a, a seal B, a locking structure C, and a quick release structure D.

The joint body A is a three-way joint with three joint ends A4, and can be a straight joint, an elbow or a multi-way joint larger than a three-way joint.

As shown in fig. 1/12, each interface end a4 of the connector body a is provided with an inner positioning step a5 and an outer positioning step a6 from inside to outside, and the inner positioning step a5 is a positioning surface of the insertion end surface of the pipeline 6. The interface end A4 is also provided with a plurality of internal projections A1, snap holes A2 and axial slots A3.

As shown in fig. 1, the sealing member B is an annular sealing gasket, which is tightly pressed on the outer positioning step a6 and sealed between the inner wall of the port a4 and the outer wall of the pipeline 6, the annular sealing gasket is made of silica gel, so as to meet the requirements and standards of international drinking water delivery pipelines, and a groove is formed in the middle of the outer wall, thereby being beneficial to better sealing with the inner wall of the port.

As shown in fig. 7/8/9, the locking structure C includes a disc spring 3 and a disc spring seat 2, the disc spring 3 has a disc 34, the disc 34 is conical, one end of the disc is a pointed tooth 32, the other end extends out of a positioning edge 35, the positioning edge 35 extends in the direction of the pointed tooth 32, that is, the disc 34 and the pointed tooth 32 are located inside the positioning edge 35, and the disc 34 is provided with a plurality of disc slots 31. The positioning edge 35 is used for positioning when the disc spring 3 is installed, and the disc slot 31 enables the disc 34 to have more flexible elasticity.

As shown in fig. 9, the positioning edge 35 has a plurality of elongated slots 30 and positioning holes 33; the disc spring seat 2 is provided with a plurality of strip bulges 20, positioning bulges 22 and buckle dents 21; the positioning edge 35 is buckled on the disc spring seat 2, the long strip protrusion 20 is positioned in the long strip groove 30, and the positioning protrusion 22 is positioned in the positioning hole 33; the inner protrusion A1 of the interface end A4 snaps into the snap indent 21 through the alignment hole 33. The dish spring is located the rectangular inslot through rectangular arch with dish spring seat, and the location is protruding to be detained and is formed an subassembly in the locating hole, the factory production assembly of being convenient for. The positioning edge extends outwards to form a sleeve shape, so that the disc spring has better elasticity and stronger fatigue resistance and is less prone to failure; the positioning edge 35 is sleeved on the disc spring seat 2 and is tightly attached to the inner wall of the interface end A4, so that the concentricity of the disc spring and the pipeline is ensured. The interface end A4 is provided with an inner bulge A1 which passes through the positioning hole 33 and is buckled into the buckle indent 21, so that the disc spring 3 is fixed at the preset position of the interface end A4, and the assembly and disassembly are convenient.

As shown in fig. 2/10/11, the quick release structure D includes a pressing ring 4 and a pressing sleeve 5, the pressing ring 4 is a deformable plastic member, one end of the pressing ring is a pressing ring tip 41, the other end of the pressing ring is a pressing ring end face 40, and the pressing ring tip 41 abuts against the disc spring 3; the compression sleeve 5 is provided with a sleeve inner recess 50 and a sleeve ring surface 51, the jacking ring 4 is positioned in the compression sleeve 5, and the sleeve ring surface 51 is pressed on the compression ring end surface 40; the compression sleeve 5 is sleeved outside the interface end A4, and the sleeve inner recess 50 is buckled into the buckling hole A2 of the interface end A4.

The sleeve indent 50 of the compression sleeve 5 is buckled into the buckling hole A2 of the interface end A4, so that the compression sleeve 5 and the interface end A4 of the connector main body A are fixed, and the assembly and disassembly are convenient; the pressing sleeve 5 is pressed, the pressing ring tip 41 of the pressing ring 4 jacks up the disc spring 3, the sharp tooth 32 of the disc spring 3 is separated from the outer wall of the pipeline 6, the pipeline 6 can be detached, and the pipeline is convenient to detach.

As shown in fig. 10/11, the pressing sleeve 5 moves along the hole position direction, pushing the pressing ring 4 to move and push the disc 34 on the disc spring 3. The joint can be quickly disassembled without tools. As shown in FIG. 4/5, the removal gap 52 is left between the inside of the sleeve annulus 51 and the end face of the interface end A4.

When the locking structure C and the quick-release structure D are installed, the interface end A4 is provided with an axial groove A3, and the interface end A4 deforms outwards to ensure that the locking structure C and the quick-release structure D can be installed in place. After the pipeline 6 is inserted, the inner wall of the jacking ring 4 is contacted with the pipeline 6, the positioning ring and the main body cannot deform inwards, and the pipe 6 system presses the sleeve 5 to bear the force transmitted by the sleeve type toothed disc spring 3 and cannot be separated.

As shown in fig. 13, the second embodiment of the plug-and-play pipe quick coupler of the present invention is different from the first embodiment in that the axial groove A3 of the coupler body a interface end a4 is shorter, and two small elongated holes are provided in the snap hole a2 at both sides thereof and extend to the lower side of the inner protrusion a 1.

As shown in fig. 14 to 16, the third embodiment of the plug-and-play pipe quick connector of the present invention differs from the first embodiment in that the connector body a interface end a4 is different from the quick release structure D.

As shown in fig. 14/15, the connector body a nipple end a4 is devoid of the snap holes a2 and axial slots A3 relative to the first embodiment, the nipple end a4 having an expander a7 and the expander a7 end having a crimp A8.

As shown in fig. 14/16, the quick release structure D is a top pressing fixing ring 8, one end of which is a fixing ring tip 81, the other end of which is a fixing ring end surface 80, and the middle of which is provided with a fixing ring groove 83; the tip 81 of the fixing ring is pressed against the disc spring 3; the end surface 80 of the fixing ring is an external force applying surface; the tip 81 of the fixing ring extends into the expanding tube A7, and the bent edge A8 of the mouthpiece end A4 is buckled into the groove 83 of the fixing ring; the top pressure fixing ring 8 has a plurality of axial deformation grooves 82. The deformed slots 82 of the retaining ring 8 are pressed against and allow for easy and quick installation and removal at the access end a 4.

The jacking fixing ring 8 extends into the expanding tube A7, the bent edge A8 of the expanding tube A7 is buckled into the fixing ring groove 83 of the jacking fixing ring 8 to fix the jacking fixing ring 8, and the mounting and dismounting are convenient; the top pressure is fixed ring 8's solid fixed ring pointed end 81 jack-up dish spring 3, and the sharp-pointed tooth 32 of dish spring 3 breaks away from 6 outer walls of pipeline, and pipeline 6 can be torn open, and the pipeline is dismantled conveniently. The bent edge A8 bears the backward force of the top pressing ring 4, and the bent edge A8 is bent inwards at 45 degrees and can bear the fluid pressure of 30kg/cm 2. The fixing ring groove 83 has a moving gap for pushing the fixing ring 8 to push the disc 34 away during disassembly, and the diameter of the end surface 80 of the fixing ring is as large as that of the interface end A4 of the joint main body A, so that the end surface of the fixing ring can be directly pushed by a hand without a tool for disassembly.

As shown in fig. 17/18, the fourth embodiment of the plug-and-play quick pipe joint of the present invention is different from the third embodiment in that the extending direction of the positioning edge 35 of the disc spring 3 is different, the positioning edge 35 extends in the direction of the quick release structure D along the axial direction, the included angle between the positioning edge 35 and the outer side section of the disc 34 is 225 degrees, the positioning edge 35 is tightly attached to the inner wall of the expanding tube a7 on the interface end a4, so as to ensure the coaxiality between the sharp teeth 32 and the pipe 6, and the sharp teeth 32 can be uniformly inserted into the pipe; the positioning edge 35 is provided with a plurality of strip grooves 30, and the positioning edge 35 is disconnected among the strip grooves 30, so that the positioning edge is more elastic in the radial direction and is convenient to mount and dismount. The end part of the positioning edge 35 is of a round angle structure, so that the strength and the elasticity of the positioning edge 35 are improved.

As shown in fig. 19, the fifth embodiment of the plug-and-play pipe quick coupler of the present invention is different from the fourth embodiment in that the sealing member B is changed from an annular sealing gasket to a plurality of O-rings, so that the sealing effect can be achieved. The annular gaskets in other embodiments may also be replaced with a number of O-rings.

As shown in fig. 20/21, the sixth embodiment of the plug-and-play pipe quick coupler of the present invention is different from the third embodiment in that the positioning edge 35 of the disc spring 3 extends along the radial direction, and the included angle between the positioning edge 35 and the outer side section of the disc 34 is 135 degrees; a part of a disc spring pressing ring 7 is added, and the disc spring pressing ring 7 is provided with a disc spring pressing surface 70 pressed on the positioning edge 35; the disc spring seat 2 is provided with a disc spring supporting surface 23 without a long strip bulge 20, a positioning bulge 22 and a buckle indent 21; the disc spring pressing surface 70 and the disc spring supporting surface 23 press the positioning edge 35 of the disc spring 3 from two directions, respectively. In addition, the deformation groove 82 is eliminated by pressing the fixing ring 8.

As shown in fig. 1, in the stainless steel pipe 6, a pipe groove 60 needs to be pressed on the outer wall of the pipe 6, and the distance between the pipe groove 60 and the end face of the pipe 6 may have different dimensions according to the pipe diameter. The pipe can be directly inserted into a copper pipe, an aluminum pipe and a plastic pipe, namely, the pipe with hardness smaller than that of stainless steel can be directly inserted into a joint for use.

All parts of the pipeline quick connector of each embodiment are connected in a buckled mode, the requirement of automatic batch production is met, the quality is reliable, the cost is low, and the pipeline quick connector is suitable for large-scale popularization. The pipe joint is used for connecting various fluid pipelines and meets the requirements and standards of international drinking water conveying pipelines, and when a user uses the pipe joint for connection, the pipe joint can be directly inserted into the pipe joint, so that the pipe joint can be locked. The pipeline is convenient to install, can be quickly inserted and detached, and reduces the construction operation time and the skill requirements of construction operators.

To sum up, the present invention, as described in the specification and the drawings, is made into a practical sample and tested by multiple use, and from the test result, it is proved that the utility model can achieve the intended purpose, and the practicability is undoubted. The above-mentioned embodiments are merely provided for convenience of illustration of the present invention and are not intended to be limiting in form; any person skilled in the art can make local changes or modifications without departing from the scope of the present invention and the technical features and similar features disclosed in the present invention, and all equivalent embodiments using the technical content disclosed in the present invention belong to the protection scope of the present invention.

Claims (10)

1. A plug and play pipe quick coupler, comprising:

the connector comprises a connector main body and a connector main body, wherein the connector main body is provided with a plurality of connector ends connected with pipelines, the connector ends are provided with inner positioning steps and outer positioning steps, and the inner positioning steps are positioning steps of the insertion end surfaces of the pipelines;

the sealing element is tightly pressed on the outer positioning step and sealed between the inner wall of the interface end and the outer wall of the pipeline;

locking structure is fixed in inside the interface end, press in sealing member one end includes:

the disc spring is provided with a plurality of sharp teeth which eat into the outer wall of the pipeline and lock the pipeline; and

the disc spring seat is used for fixing the disc spring; and

and the quick-release structure is fixed with the interface end, props against the disc spring, applies external force to push and press the disc spring, and the sharp teeth are separated from the outer wall of the pipeline.

2. The plug and play pipe quick coupler of claim 1,

the disc spring is provided with a conical disc, one end of the disc is the sharp tooth, the other end of the disc extends out of the positioning edge, and the disc is provided with a plurality of disc grooves.

3. The plug and play pipe quick coupler of claim 2,

the positioning edge axially extends towards the direction of the sharp tooth and is provided with a plurality of long grooves and positioning holes;

the disc spring seat is provided with a plurality of strip-shaped bulges, positioning bulges and buckle inner recesses;

the interface end is provided with a plurality of inner bulges;

the positioning edge is buckled on the disc spring seat, the long strip protrusion is positioned in the long strip groove, and the positioning protrusion is positioned in the positioning hole; the inner bulge penetrates through the positioning hole to be buckled into the buckle inner recess.

4. The plug and play pipe quick coupler of claim 2,

the positioning edge axially extends towards the direction of the quick-release structure and is tightly attached to the inner wall of the connector end, and the positioning edge is provided with a plurality of strip grooves;

the disc spring seat is provided with a plurality of fastener recesses;

the interface end is provided with a plurality of inner bulges which are buckled into the inner concave of the buckle.

5. The plug and play pipe quick coupler of claim 2,

the positioning edge extends radially;

the locking structure further comprises a disc spring pressing ring, and the disc spring pressing ring presses the positioning edge.

6. The plug and play pipe quick coupler of claim 1,

the quick release structure comprises:

the pressing ring is pushed, one end of the pressing ring is a pressing ring tip, the other end of the pressing ring is a pressing ring end face, and the pressing ring tip pushes against the disc spring;

the compression sleeve is provided with a sleeve inner recess and a sleeve ring surface, the top compression ring is positioned in the compression sleeve, and the sleeve ring surface is pressed on the end surface of the compression ring;

the interface end is provided with a plurality of buckling holes, the compression sleeve is sleeved outside the interface end, and the sleeve is inwards buckled in the buckling holes.

7. The plug and play pipe quick coupler of claim 6,

the interface end has a plurality of axial slots extending inwardly from the end face.

8. The plug and play pipe quick coupler of claim 1,

the quick-release structure is a jacking fixing ring, one end of the quick-release structure is a fixing ring tip, the other end of the quick-release structure is a fixing ring end face, and a fixing ring groove is formed in the middle of the quick-release structure; the tip end of the fixing ring is propped against the disc spring; the end surface of the fixing ring is an external force pressing surface;

the joint end is provided with an expansion pipe, and the end part of the expansion pipe is provided with a bent edge; the tip of the fixing ring extends into the expanding tube, and the bent edge is buckled into the groove of the fixing ring.

9. The plug and play pipe quick coupler of claim 8,

the top pressure fixing ring is provided with a plurality of axial deformation grooves.

10. The plug and play pipe quick coupler of claim 1,

the sealing element is an annular sealing gasket or a plurality of O-shaped rings.

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