CN216447646U

CN216447646U - Stable convenient quick pipe connector

Info

Publication number: CN216447646U
Application number: CN202123054860.8U
Authority: CN
Inventors: 叶波
Original assignee: Shenzhen Andes Products Co ltd
Current assignee: Shenzhen Andes Products Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-06
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a stable and convenient quick pipeline connector, which comprises a connector shell, a sealing component and a locking pipe component, wherein one or more quick connecting ports are arranged on the connector shell, the sealing component and the locking pipe component are sleeved on the quick connecting ports, an inner ring cover used for fixing the sealing component is arranged at the end surface of the connector shell, the locking pipe component comprises an outer ring cover, an unlocking ring, an open-loop steel tooth claw and an open claw support ring, a beveling climbing structure is arranged on the outer ring cover and the unlocking ring, the beveling climbing structure comprises a fixed bevel cutting surface and a movable bevel cutting surface, the movable bevel cutting surface is matched with the fixed bevel cutting surface in a beveling way, the pipeline connector can prevent an inserted pipe from being scratched by the steel tooth claw in the assembling and disassembling process, the beveling climbing structure can reduce the operating distance required by the pipeline connector in the pipe assembling and disassembling operation and reduce the unlocking force required by the pipe, the pipe is simple and convenient to assemble, disassemble and operate, stable in internal structure and good in fixing effect on the pipe.

Description

Stable convenient quick pipe connector

Technical Field

The utility model relates to the technical field of pipeline connectors, in particular to a stable and convenient rapid pipeline connector.

Background

Most of the existing quick pipeline connectors fix the position of a pipe by a locking component at the connecting end of the quick pipeline connector, and in the locking component for fixing the pipe on the quick pipeline connector, one locking component realizes the fixing of the pipe by clamping a clamping jaw and the pipe, although the pipe is connected by the locking component in a better way, the outer wall of the pipe is easy to scratch;

publication No.: CN113606408A, the chinese utility model discloses a compact and stable fast pipe connector, which is fitted in an outer ring cover by means of screw-cap screw-thread fit, the screw cap is moved to the jaw ring by rotating the screw cap, the jaw on the jaw ring is extruded by the screw cap, and the clamping or loosening of the tube by the jaw is controlled; the operation mode needs a longer operation distance on the pipeline connector, more raw materials are needed for rapid production of the pipeline connector, if the thread section between the screw cap and the outer ring cap is damaged, the situation of blocking is possibly caused, and the rapid loading and inserting operation of the pipe cannot be normally realized;

therefore, there is a need for a quick pipe connector that is stable and easy to design.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical defects, the utility model provides the pipeline connector which can avoid the phenomenon that the pipe is scratched by steel teeth in the assembling and disassembling process, the inclined-cutting climbing structure can reduce the operating distance required by the pipeline connector in the assembling and disassembling operation of the pipe and the unlocking force required by the disassembling operation of the pipe, the assembling and disassembling operation of the pipe is simple and convenient, the internal structure is stable, and the fixing effect on the pipe is good.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a stable and convenient quick pipeline connector comprises a connector shell, a sealing assembly and a locking pipe assembly, wherein one or more quick connecting ports are arranged on the connector shell, a matching groove communicated to the end face of the connector shell is formed in the inner wall of each quick connecting port, and the sealing assembly and the locking pipe assembly are sleeved on each quick connecting port;

the matching groove is composed of a socket groove with a smaller inner diameter and a seal groove with a larger inner diameter, the socket groove is arranged in the middle in the connector shell and used for socket joint of pipes, the seal groove is arranged on one side of a port in the connector shell, a seal assembly is arranged in the seal groove, and an inner ring cover used for fixing the seal assembly is arranged on the end face of the connector shell;

the pipe locking assembly comprises an outer ring cover, an unlocking ring, an open-ring steel tooth jaw and an open jaw support ring, wherein the outer ring cover is arranged on the end face of the inner ring cover, the unlocking ring is matched in the outer ring cover far away from the side of the connector shell, the open-ring steel tooth jaw is positioned in the outer ring cover close to the side of the connector shell, and the open jaw support ring is arranged at the end face of the open-ring steel tooth jaw far away from the side of the inner ring cover;

the outer ring cover and the unlocking ring are provided with a beveling climbing structure, the beveling climbing structure comprises a fixed beveling surface and a movable beveling surface, a stepped part is arranged on the inner wall of one end of the outer ring cover, a plurality of fixed beveling surfaces are circumferentially arranged on the wall surface of the stepped part far away from the connector shell, an annular convex edge is arranged on the side wall of the unlocking ring, a plurality of movable beveling surfaces are circumferentially arranged on the annular convex edge close to the port of the outer side of the unlocking ring, and the movable beveling surfaces are matched with the fixed beveling surfaces in a beveling mode.

Furthermore, the two sides of the fixed inclined plane are transited through slope surfaces, the middle part of the fixed inclined plane is a plane, the two sides of the movable inclined plane are transited through slope surfaces, and the middle part of the movable inclined plane is a plane.

Further, the middle part of deciding the scarf passes through the ramp face transition, decide the both sides of scarf and pass through the plane that two different planes are parallel, adjacent two decide the plane on the scarf transition department different plane parallel each other, adjacent two decide the transition department of scarf and be the echelonment structure, move the middle part of scarf and pass through the ramp face transition, move the both sides of scarf and pass through the plane that two different planes are parallel, adjacent two move the plane different plane parallel each other on the scarf transition department, adjacent two move the transition department of scarf and be the echelonment structure.

Furthermore, a plurality of unlocking parts used for being matched with a tool are circumferentially arranged on the end face of the outer side of the outer ring cover, and the unlocking parts are formed by one or two of grooves and bumps.

Furthermore, be equipped with first conical surface throat on the ladder portion in the opening jack catch support ring outside, first conical surface throat radius is keeping away from interior crown of cone side is reducing gradually, the one end of opening jack catch support ring is the toper form, the outer wall and the first conical surface throat of the opening jack catch support ring other end offset.

Further, the border department of the opening jack catch support ring other end passes through the fillet transition, is close to the border department of the ring-opening steel tooth jack catch of opening jack catch support ring side is equipped with incurvate turn-ups, ring-opening steel tooth jack catch passes through turn-ups cooperation on the other end of opening jack catch support ring, circumference is equipped with a plurality of location fastener on the turn-ups, circumference is equipped with a plurality of constant head tank on the opening jack catch support ring outer wall, the location fastener cooperation is close to in the constant head tank the width of the constant head tank of opening jack catch support ring terminal surface side is greater than keeps away from the width of the constant head tank of opening jack catch support ring terminal surface side is close to the width of the location fastener of unblock ring side is greater than keeps away from the width of the location fastener of unblock ring side.

Furthermore, a plurality of elastic supporting arms are arranged on the open-loop steel tooth clamping jaw, and the end face of one side of each elastic supporting arm is abutted to the end face of the inner ring cover.

The utility model has the beneficial effects that:

open loop steel tooth jack catch and opening jack catch support ring are last all to be equipped with open structure, all have elastic deformation ability, when connecting fixedly to tubular product, the back is extruded to inserted tubular product split ring steel tooth jack catch and opening jack catch support ring, enable ring-opening steel tooth jack catch and opening jack catch support ring whole and outwards expand abdicating when receiving the outside extrusion force of inserted tubular product, thereby give out the male space for inserted tubular product, the tightening force that the steel tooth tightened up to inserted tubular product surface is kept throughout simultaneously, also consequently, can hold and lock the tubular product of different pipe diameters better, in addition, after inserted tubular product is pulled out, ring-opening steel tooth jack catch and opening jack catch support ring can restore original tightening state through elastic deformation, conveniently insert tubular product once more.

The opening jaw support ring is provided with a second conical surface necking, the inner side of the outer ring cover matched with the opening jaw support ring is provided with a first conical surface necking which is abutted against the second conical surface necking, the first conical surface necking forms a necking structure, the opening jaw support ring, the open-loop steel tooth jaws and the outer ring cover form a pipe locking structure similar to an expansion screw principle, an inserted pipe is clamped and pressed by the open-loop steel tooth jaws, when the tubular product pressure-bearing, tubular product can receive radial expansion and two kinds of pressures of axial extrapolation, is pressed by the steel tooth card and locks when the tubular product is outwards extruded, opening jack catch support ring, ring-opening steel tooth jack catch and tubular product this moment just can wholly remove to the port direction of pipeline connector, and the second cone throat on the opening jack catch support ring constantly is close to the less throat portion department of radius on the outer ring cover, so let tubular product lock more tighter more, improve the reliability of lock pipe, also conveniently be suitable for the tubular product of different pipe diameter tolerances.

Make unblock ring axial displacement through rotatory locking ring of separating, can realize unblock ring extrusion steel tooth (unblock state) or break away from steel tooth (lock state) two kinds of states, can make the steel tooth open outward and make steel tooth and male tubular product surface keep apart by force when unblock ring extrudees the steel tooth, quick pipe connection ware at this moment is in the unblock state, can make things convenient for under the unblock state light and loose the pipe of tearing, also can conveniently easily relax the intubate, and no matter tear pipe or intubate, the surface of male tubular product can not contact the steel tooth, so can not leave the steel tooth scratch, make things convenient for tubular product light to install and remove and used repeatedly.

The inclined climbing structure is characterized in that the outer ring cover and the unlocking ring are provided with inclined climbing structures, the pipeline is locked or unlocked through inclined cutting matching between a movable inclined cutting surface and a fixed inclined cutting surface, the unlocking can be completed within a half-circle of rotation by utilizing the rotary unlocking of the unlocking ring, the pipeline is locked or unlocked more conveniently, the operation distance required by the pipeline connector during the pipeline assembling and disassembling operation can be reduced, meanwhile, the inclined climbing structure is a labor-saving unlocking structure, the force required by the rotary unlocking can easily reach one fourth or even less of the force required by the axial vertical pressing and unlocking, the pipe is conveniently and easily unlocked and disassembled, and the inclined climbing structure is particularly suitable for solving the problem that the pipe is difficult to unlock and disassemble for large-diameter pipes (such as the outer diameter of 40mm and 50mm and larger pipe diameters).

Realize the cooperation through location fastener and constant head tank between opening jack catch support ring and the open-loop steel tooth jack catch, the positioning action that the turn-ups on the open-loop steel tooth jack catch and the cooperation between the opening jack catch support ring can play to the opening steel tooth jack catch simultaneously, offset effect and the elastic bracket arm and the offset effect of holding ring terminal surface through first oblique angle and second oblique angle, the position is more stable when making open-loop steel tooth jack catch carry out the pipe connection at pipe connector, be difficult to the position skew appears, avoid appearing because of the skew appears in open-loop steel tooth jack catch position and lead to the unable normal condition appearance that inserts in pipe connector of pipeline.

Drawings

Fig. 1 is a schematic external structural diagram of a pipe connector according to an embodiment.

Fig. 2 is a schematic diagram of an internal structure of the pipe connector according to the first embodiment.

Fig. 3 is a schematic structural diagram of a connector housing according to an embodiment.

Fig. 4 is a schematic structural diagram of one side of an outer ring cover in the first embodiment.

Fig. 5 is a schematic structural view of the other side of the outer ring cover according to an embodiment.

FIG. 6 is a schematic structural diagram of an unlocking ring according to a first embodiment.

Fig. 7 is a schematic structural diagram of a bevel climbing structure when the pipeline connector is in an unlocked state according to the first embodiment.

Fig. 8 is a schematic structural diagram of a bevel climbing structure when the pipeline connector is in an unlocked state according to the first embodiment.

Fig. 9 is an external structural view of the pipe connector according to the second embodiment.

Fig. 10 is a schematic view of the internal structure of the pipe connector according to the second embodiment.

Fig. 11 is a schematic structural diagram of a connector housing according to a second embodiment.

Fig. 12 is a schematic structural view of one side of the outer ring cover in the second embodiment.

Fig. 13 is a schematic structural view of the other side of the outer ring cover in the second embodiment.

Fig. 14 is a schematic view of an unlocking ring structure in the case where the unlocking part is a groove in the second embodiment.

Fig. 15 is a schematic view of an unlocking ring structure when the unlocking part is a bump in the second embodiment.

Fig. 16 is a structural diagram of the bevel climbing structure when the pipe connector is in an unlocked state according to the second embodiment.

Fig. 17 is a schematic structural view of the bevel climbing structure in the unlocked state of the pipe connector according to the second embodiment.

Fig. 18 is a schematic structural view of an open-ring steel tooth jaw in the first embodiment and the second embodiment.

Fig. 19 is a schematic structural view of the split jaw support ring in the first and second embodiments.

In the figure, a connector housing 1, a quick connection port 2, a matching groove 3, a sealing assembly 4, an inner ring cover 5, an outer ring cover 6, an unlocking ring 7, an open-loop steel tooth claw 8, an opening claw support ring 9, a fixed inclined plane 10, a movable inclined plane 11, a step part 12, an annular convex edge 13, an unlocking part 18, a first conical surface necking 19, an opening claw support ring outer wall 20, a flanging 21, a positioning fastener 22, a positioning groove 23, an elastic supporting arm 26, a socket groove 27 and a sealing groove 28.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1 to 8, 18 and 19, a stable and convenient quick pipeline connector includes a connector housing 1, a sealing assembly 4 and a locking pipe assembly, wherein one or more quick connection ports 2 are arranged on the connector housing 1, a fitting groove 3 communicated to an end surface of the connector housing 1 is arranged on an inner wall of each quick connection port 2, and the sealing assembly 4 and the locking pipe assembly are sleeved on each quick connection port 2;

the matching groove 3 is composed of a socket groove 27 with a smaller inner diameter and a sealing groove 28 with a larger inner diameter, the socket groove 27 is arranged in the middle of the connector shell 1 and used for socket connection of pipes, the sealing groove 28 is arranged on one side of a port in the connector shell 1, and a sealing assembly 4 is arranged in the sealing groove 27;

an inner ring cover 5 used for fixing a sealing assembly 4 is arranged on the end face of the connector shell 1, the lock tube assembly comprises an outer ring cover 6, an unlocking ring 7, an open-loop steel tooth clamping jaw 8 and an opening clamping jaw support ring 9, the outer ring cover 6 is arranged on the end face of the inner ring cover 5, the unlocking ring 7 is matched in the outer ring cover 6 far away from the side of the connector shell 1, the open-loop steel tooth clamping jaw 8 is positioned in the outer ring cover 6 close to the side of the connector shell 1, and the opening clamping jaw support ring 9 is arranged on the end face of the open-loop steel tooth clamping jaw 8 far away from the side of the inner ring cover 5;

the outer ring cover 6 is provided with a beveling climbing structure on the unlocking ring 7, the beveling climbing structure comprises a fixed bevel cut surface 10 and a movable bevel cut surface 11, a stepped part 12 is arranged on the inner wall of one end of the outer ring cover 6, a plurality of fixed bevel cut surfaces 10 are circumferentially arranged on the wall surface of the stepped part 12 far away from the side of the connector shell 1, an annular convex edge 13 is arranged on the side wall of the unlocking ring 7, a plurality of movable bevel cut surfaces 11 are circumferentially arranged on the annular convex edge 13 close to the port of the outer side of the unlocking ring 7, and the movable bevel cut surfaces 11 are matched with the fixed bevel cut surfaces 10 in a beveling mode.

The two sides of the fixed inclined plane 10 are in transition through slope surfaces, the middle of the fixed inclined plane 10 is a plane, the two sides of the movable inclined plane 11 are in transition through slope surfaces, and the middle of the movable inclined plane 11 is a plane.

A plurality of unlocking parts 18 which are used for being matched with a tool are arranged on the outer side end face of the outer ring cover 6 in the circumferential direction, and the unlocking parts 18 are formed by grooves and convex blocks.

Be equipped with first conical surface throat 19 on the ladder portion in the opening jack catch support ring 9 outside, keeping away from the ascending first conical surface throat 19 radius of inner ring lid 5 side reduces gradually, the one end of opening jack catch support ring 9 is the toper form, the other end and the first conical surface throat 19 of opening jack catch support ring 9 offset.

The edge of the other end of the opening jaw support ring 9 is in round corner transition, the edge of the opening steel tooth jaw 8 close to the opening jaw support ring 9 side is provided with a flange 21 which is bent inwards, the opening steel tooth jaw 8 is matched with the other end of the opening jaw support ring 9 through the flange 21, the flange 21 is circumferentially provided with a plurality of positioning fasteners 22, the outer wall 20 of the opening jaw support ring is circumferentially provided with a plurality of positioning grooves 23, the positioning fasteners 22 are matched in the positioning grooves 23, the width of the positioning groove 23 close to the end face side of the opening jaw support ring 9 is larger than the width of the positioning groove 23 far away from the end face side of the opening jaw support ring 9, and the width of the positioning fastener 22 close to the unlocking ring 7 side is larger than the width of the positioning fastener 22 far away from the unlocking ring 7 side.

The open-loop steel tooth clamping jaw 8 is provided with a plurality of elastic supporting arms 26, and one side end face of each elastic supporting arm 26 is abutted to the end face of the inner ring cover 5.

When the pipe is not installed in the pipe connector, the plane in the middle of the movable inclined plane 11 is abutted to the part outside the plane of the fixed inclined plane 10, and one end of the unlocking ring 7 is extruded on the jaw on the open-loop steel tooth jaw 8, so that the jaw on the open-loop steel tooth jaw 8 is outwards opened; the pipe is inserted into the pipe connector along the direction of the quick connection port 2, then the unlocking ring 7 is driven to rotate by matching a tool with the groove and the bump, the plane part in the middle of the movable chamfer plane 11 on the unlocking ring 7 rotates to the plane part in the middle of the fixed chamfer plane 10, under the contraction action of the jaws on the open-loop steel tooth jaws 8, the unlocking ring 7 moves outwards, one end of the unlocking ring 7 does not extrude the jaws on the open-loop steel tooth jaws 8 any more, and the jaws on the open-loop steel tooth jaws 8 clamp the pipe, so that the pipe is installed and fixed on the pipe connector;

when the pipe is not installed in the pipe connector, the plane part in the middle of the movable inclined plane 11 is positioned at the plane part in the middle of the fixed inclined plane 10, one end of the unlocking ring 7 is not used for extruding the clamping jaws on the open-ring steel tooth clamping jaws 8, and the clamping jaws on the open-ring steel tooth clamping jaws 8 are in an original state; the pipe is inserted into the pipe connector along the direction of the quick connection port 2, the outer wall of the pipe is extruded with the clamping jaw on the open-loop steel tooth clamping jaw 8, and the open-loop steel tooth clamping jaw 8 is contracted inwards when being restored, so that the clamping jaw on the open-loop steel tooth clamping jaw 8 is folded inwards to clamp the pipe, and the pipe is further installed and fixed on the pipe connector;

when the pipe is not installed in the pipe connector, the plane in the middle of the movable inclined plane 11 is abutted to the part outside the plane in the middle of the fixed inclined plane 10, and one end of the unlocking ring 7 is extruded on the jaw on the open-loop steel tooth jaw 8, so that the jaw on the open-loop steel tooth jaw 8 is outwards opened; after the pipe is inserted into the pipe connector along the direction of the quick connection port 2, if the unlocking ring 7 is forgotten to rotate to lock the pipe, one end of the unlocking ring 7 is still abutted against the open-loop steel tooth clamping jaw 8, so that the clamping jaw on the open-loop steel tooth clamping jaw 8 cannot be normally folded inwards, the pipe cannot be clamped by the clamping jaw on the open-loop steel tooth clamping jaw 8, and the pipe can be separated from the pipe connector under the action of water pressure;

the outer ring cover 6 and the inclined climbing structure arranged on the unlocking ring 7 lock or unlock the pipe through the inclined cutting matching between the movable inclined cutting surface 11 and the fixed inclined cutting surface 10, the pipe locking or unlocking operation is more convenient, and the inclined climbing structure can reduce the operation distance required by the pipe connector during the pipe assembling and disassembling operation.

Realize the cooperation through location fastener 22 and constant head tank 23 between opening jack catch support ring 9 and the ring-opening steel tooth jack catch 8, the positioning action that turn-ups 21 on the ring-opening steel tooth jack catch 8 and cooperation between the opening jack catch support ring 9 can play to ring-opening steel tooth jack catch 8 simultaneously, the counterbalance action of one end through opening jack catch support ring 9 and first conical surface throat 19 and the counterbalance action of elasticity trailing arm 31 and 5 terminal surfaces of inner ring lid, it is more stable to make ring-opening steel tooth jack catch 8 carry out tubular product when pipe connection at pipe connection ware position, be difficult to the position skew appears, avoid appearing leading to the unable normal condition of inserting pipe in the pipe connection ware because of the skew appears in ring-opening steel tooth jack catch 8 position.

One end of the opening claw support ring 9 is in a conical shape, a first conical surface necking 19 which is abutted against the opening claw support ring is arranged on the inner side of the outer ring cover 6, the opening claw support ring 9, together with the open-ring steel tooth claw 8, and the outer ring cover 6 form a pipe locking structure similar to an expansion screw principle, an inserted pipe is clamped and pressed by the open-ring steel tooth claw 8, when the pipe bears pressure, the pipe can be subjected to two pressures of radial expansion and axial outward pushing, the pipe is clamped and locked by the steel tooth when being extruded outwards, the opening claw support ring 9, the open-ring steel tooth claw 8 and the pipe can integrally move towards the port direction of the pipe connector at the moment, and the conical part of the opening claw support ring 9 is continuously close to the first conical surface necking 19 part with smaller radius on the outer ring cover, so that the pipe is locked more tightly, the reliability of pipe locking is improved, and the pipe is convenient to be suitable for pipes with different pipe diameters and tolerances.

Example two:

as shown in fig. 9 to 19, a stable and convenient quick pipe connector includes a connector housing 1, a sealing assembly 4 and a pipe locking assembly, wherein the connector housing 1 is provided with one or more quick connection ports 2, the inner wall of each quick connection port 2 is provided with a matching groove 3 communicated to the end surface of the connector housing 1, and the sealing assembly 4 and the pipe locking assembly are sleeved on the quick connection port 2;

the matching groove 3 is composed of a socket 27 with a smaller inner diameter and a sealing groove 28 with a larger inner diameter, the socket 27 is arranged in the middle of the connector housing 1 and used for socket connection of pipes, the sealing groove 28 is arranged on one side of a port in the connector housing 1, and the sealing assembly 4 is arranged in the sealing groove 28;

the outer ring cover 6 is provided with a beveling climbing structure on the unlocking ring 7, the beveling climbing structure comprises a fixed bevel cut surface 10 and a movable bevel cut surface 11, a stepped part 12 is arranged on the inner wall of one end of the outer ring cover 6, a plurality of fixed bevel cut surfaces 10 are circumferentially arranged on the wall surface of the stepped part 12 far away from the connector shell 1, an annular convex edge 13 is arranged on the side wall of the unlocking ring 7, a plurality of movable bevel cut surfaces 11 are circumferentially arranged on the annular convex edge 13 close to the port of the outer side of the unlocking ring 7, and the movable bevel cut surfaces 11 are matched with the fixed bevel cut surfaces 10 in a beveling mode.

Decide the middle part of scarf 10 and pass through the ramp face transition, decide the both sides of scarf 10 and pass through the plane of two different parallel faces, adjacent two decide the plane on the scarf 10 transition department and be different parallel faces each other, adjacent two decide the transition department of scarf 10 and be the echelonment structure, move the middle part of scarf 11 and pass through the ramp face transition, move the both sides of scarf 11 and pass through the plane of two different parallel faces and pass through, adjacent two move the plane of scarf 11 transition department and be different parallel faces each other, adjacent two move the transition department of scarf 11 and be the echelonment structure.

A plurality of unlocking parts 18 which are used for being matched with a tool are circumferentially arranged on the end face of the outer side of the outer ring cover 6, and the unlocking parts 18 are grooves or convex blocks.

When the pipe is not installed in the pipe connector, one plane on the movable inclined plane 11 is abutted to one plane transition position on the fixed inclined plane 10, the other plane transition position and the slope surface transition position on the movable inclined plane 11 are not in contact with the other plane transition position and the slope surface transition position on the fixed inclined plane 10, and one end of the unlocking ring 7 is extruded on the jaw on the open-ring steel tooth jaw 8, so that the jaw on the open-ring steel tooth jaw 8 is outwards opened; the pipe is inserted into the pipe connector along the direction of the quick connection port 2, then the unlocking ring 7 is driven to rotate by matching a tool with the groove and the bump, and the plane transition positions on two sides of the movable inclined plane 11 on the unlocking ring 7 rotate to be abutted against the plane transition positions on two sides of the fixed inclined plane 10; meanwhile, the transition position of the slope surface on the movable chamfer surface 11 is abutted against the transition position of the slope surface on the fixed chamfer surface 10, the unlocking ring 7 moves outwards, one end of the unlocking ring 7 does not extrude the clamping jaw on the open-loop steel tooth clamping jaw 8 any more, and under the contraction action of the clamping jaw on the open-loop steel tooth clamping jaw 8, the clamping jaw on the open-loop steel tooth clamping jaw 8 clamps the pipe, so that the pipe is installed and fixed on the pipe connector;

when the pipe is not installed in the pipe connector, the plane transition positions on two sides of the movable inclined plane 11 rotate to abut against the plane transition positions on two sides of the fixed inclined plane 10, meanwhile, the slope surface transition positions on the movable inclined plane 11 abut against the slope surface transition positions on the fixed inclined plane 10, one end of the unlocking ring 7 does not extrude the clamping jaw on the open-ring steel tooth clamping jaw 8, the clamping jaw on the open-ring steel tooth clamping jaw 8 is in an original state, the pipe is inserted into the pipe connector along the direction of the quick connection port 2, the outer wall of the pipe extrudes the clamping jaw on the open-ring steel tooth clamping jaw 8, and the open-ring steel tooth clamping jaw 8 contracts inwards when being restored to the original state, so that the clamping jaw on the open-ring steel tooth clamping jaw 8 draws the pipe inwards to clamp the pipe, and the pipe is installed and fixed on the pipe connector;

when the pipe is not installed in the pipe connector, one transition position on the movable inclined plane 11 is abutted against one plane transition position on the fixed inclined plane 10, the other plane transition position and the slope surface transition position on the movable inclined plane 11 are not in contact with the other plane transition position and the slope surface transition position on the fixed inclined plane 10, and one end of the unlocking ring 7 is extruded on the jaw on the open-ring steel tooth jaw 8, so that the jaw on the open-ring steel tooth jaw 8 is outwards opened; after the pipe is inserted into the pipe connector along the direction of the quick connection port 2, if the unlocking ring 7 is forgotten to rotate to lock the pipe, one end of the unlocking ring 7 is still abutted against the open-loop steel tooth clamping jaw 8, so that the clamping jaw on the open-loop steel tooth clamping jaw 8 cannot be normally folded inwards, the pipe cannot be clamped by the clamping jaw on the open-loop steel tooth clamping jaw 8, and the pipe can be separated from the pipe connector under the action of water pressure;

One end of the opening jaw support ring 9 is in a conical shape, a first conical surface necking 19 which is abutted against the opening jaw support ring is arranged on the inner side of the outer ring cover 6, the opening jaw support ring 9 together with the open-ring steel tooth jaw 8 and the outer ring cover 6 form a pipe locking structure similar to an expansion screw principle, an inserted pipe is clamped and pressed by the open-ring steel tooth jaw 8, when the pipe bears pressure, the pipe can bear two pressures of radial expansion and axial outward pushing, when the pipe is extruded outwards, the pipe is clamped and locked by the steel tooth, the opening jaw support ring 9, the open-ring steel tooth jaw 8 and the pipe can integrally move towards the port of the pipe connector, the conical part of the opening jaw support ring 9 is continuously close to the first conical surface necking 19 part with the smaller radius on the outer ring cover, the pipe is locked more tightly, the reliability of pipe locking is improved, and the pipe locking device is also convenient to be suitable for pipes with different pipe diameter tolerances.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a stabilize convenient quick pipeline connector, includes connector housing, seal assembly and lock pipe assembly, be provided with one or more quick-connect ports on the connector housing, every all be equipped with the cooperation groove that communicates to connector housing terminal surface on the inner wall of quick-connect port, the cover is equipped with seal assembly and lock pipe assembly, its characterized in that on the quick-connect port:

the outer ring cover and the unlocking ring are provided with a beveling climbing structure, the beveling climbing structure comprises a fixed beveling surface and a movable beveling surface, a step part is arranged on the inner wall of one end of the outer ring cover, a plurality of fixed beveling surfaces are circumferentially arranged on the wall surface of the step part far away from the inner side of the connector shell, an annular convex edge is arranged on the side wall of the unlocking ring, a plurality of movable beveling surfaces are circumferentially arranged on the annular convex edge close to the port part of the outer side of the unlocking ring, and the movable beveling surfaces are matched with the fixed beveling surfaces in a beveling mode.

2. The quick pipe connector as claimed in claim 1, wherein the fixed chamfer is formed by a slope surface on both sides, the middle of the fixed chamfer is a flat surface, the movable chamfer is formed by a slope surface on both sides, and the middle of the movable chamfer is a flat surface.

3. The quick pipe connector of claim 1, wherein the middle of the fixed diagonal plane is transited by a slope, the two sides of the fixed diagonal plane are transited by two planes parallel to each other, the planes at the transition of the fixed diagonal plane are parallel to each other, the transition of the fixed diagonal plane is in a step-shaped structure, the middle of the movable diagonal plane is transited by a slope, the two sides of the movable diagonal plane are transited by two planes parallel to each other, the planes at the transition of the movable diagonal plane are parallel to each other, and the transition of the movable diagonal plane is in a step-shaped structure.

4. The quick pipe connector as claimed in claim 1, wherein a plurality of unlocking portions for engaging with a tool are circumferentially disposed on an outer end surface of the outer ring cover, and the unlocking portions are formed by one or two of grooves and protrusions.

5. The quick pipe connector as claimed in claim 1, wherein a first tapered recess is formed on the step portion of the outer side of the open jaw support ring, the radius of the first tapered recess gradually decreases in a direction away from the inner cap, one end of the open jaw support ring is tapered, and the outer wall of the other end of the open jaw support ring abuts against the first tapered recess.

6. The quick pipe connector of claim 1, wherein the edge of the other end of the opening jaw support ring is in round corner transition, an inward-bending flange is arranged at the edge of the opening steel jaw close to the opening jaw support ring, the opening steel jaw is matched with the other end of the opening jaw support ring through the flange, a plurality of positioning fasteners are circumferentially arranged on the flange, a plurality of positioning slots are circumferentially arranged on the outer wall of the opening jaw support ring, the positioning fasteners are matched in the positioning slots, the width of the positioning slots close to the end face side of the opening jaw support ring is larger than the width of the positioning slots far away from the end face side of the opening jaw support ring, and the width of the positioning fasteners close to the unlocking ring side is larger than the width of the positioning fasteners far away from the unlocking ring side.

7. The quick pipe connector as claimed in claim 1, wherein the open-loop steel tooth jaw is provided with a plurality of elastic support arms, and one side end surface of each elastic support arm abuts against the end surface of the inner ring cover.