CN218863483U

CN218863483U - Quick connector capable of being directly connected with flanging pipe fitting

Info

Publication number: CN218863483U
Application number: CN202223294365.9U
Authority: CN
Inventors: 李波; 崔晓明; 王翠
Original assignee: Midea Group Co Ltd
Current assignee: Midea Group Co Ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-14
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to a pipe connection technical field specifically discloses a quick-operation joint that can directly link to each other with turn-ups pipe fitting, it establishes the screw thread side in the turn-ups pipeline outside including the cover, a plurality of arcs on turn-ups pipeline perisporium are held tightly to the annular, detachable connection carries out sealed structure to turn-ups pipeline and connecting tube linking department on the connecting tube, screw thread side and clamping ring detachable connection, the arc periphery is provided with first turn-ups, the inner wall that the clamping ring one side was kept away from to the screw thread side is provided with the second turn-ups, the turn-ups's internal diameter of second is greater than the turn-ups's of pipeline external diameter, be less than first turn-ups's external diameter, the internal diameter of arc is less than the turn-ups's of pipeline external diameter. The application has the effect of simple and convenient replacement process.

Description

Quick coupling capable of being directly connected with flanging pipe fitting

Technical Field

The application relates to the technical field of pipeline connection, in particular to a quick connector capable of being directly connected with a flanging pipe fitting.

Background

At present, in connection of water pipes in places such as bathrooms and kitchens, in order to realize sealed connection between multiple sections of pipes, a flange structure is often arranged at a pipe port, and the flange structure and the end surface of the pipe are connected and sealed through loose joint.

For example, chinese patent publication No. CN106641504a discloses a pipe connection structure, which includes a pipe connector, a fastening member, and a sealing gasket, wherein a stepped hole is provided in the pipe connector. The pipeline with the flanging penetrates into the pipeline connector, and the flanging of the pipeline is pressed by the fastener connected with the pipeline connector, so that the flanging of the pipeline is pressed on a step hole arranged in the pipeline connector, or the flanging of the pipeline is abutted against the end part of another pipeline penetrating into the pipeline connector.

Aiming at the related technology, under the condition of long-term use or external corrosion, the connecting structure sleeved on the flanging pipeline is easy to corrode, so that the connecting structure fails; because the structure of turn-ups pipeline is special, the turn-ups of pipeline's external diameter is greater than the external diameter of pipe connection structure, can't pull down pipe connection structure alone and change, consequently need change whole pipeline when changing, and the change process is comparatively loaded down with trivial details, so this remains to improve.

SUMMERY OF THE UTILITY MODEL

In order to improve the loaded down with trivial details problem of current turn-ups pipeline connection structure change process, this application provides a quick-operation joint that can directly link to each other with the turn-ups pipe fitting.

The application provides a quick-operation joint that can directly link to each other with turn-ups pipe fitting adopts following technical scheme:

the utility model provides a quick-operation joint that can directly link to each other with turn-ups pipe fitting, includes the cover establish the screw thread side in the turn-ups pipeline outside, be the annular hold tightly the sealing structure that a plurality of arcs, the releasable connection on the connecting tube on turn-ups pipeline perisporium and to turn-ups pipeline and connecting tube linking department carry out the sealing, the screw thread side with turn-ups releasable connection, the arc periphery is provided with first turn-ups, the screw thread side is kept away from the inner wall of turn-ups one side is provided with the second turn-ups, the turn-ups internal diameter of second is greater than the turn-ups external diameter of pipeline, is less than first turn-ups external diameter, the internal diameter of arc is less than the turn-ups external diameter of pipeline.

By adopting the technical scheme, during installation, the press ring is detachably connected to the connecting pipeline, then the thread square is sleeved in the flanging pipeline, the plurality of arc-shaped plates are sleeved on the peripheral wall of the flanging pipeline in an annular shape, and the arc-shaped plates are positioned on one side, close to the flanging of the pipeline, of the thread square;

during disassembly, the thread square is separated from the pressing ring, then the arc plates annularly and tightly held on the peripheral wall of the flanged pipeline are taken down, the thread square can be taken down from the flanged pipeline because the inner diameter of the second flange is larger than the outer diameter of the flanged pipeline, and finally the pressing ring is disassembled, so that the disassembly of the joint is completed;

the replacement of the joint can be completed by repeating the steps of disassembly and assembly, the operation is simple and convenient, and the waste of the pipeline can not be caused.

Optionally, the sealing structure includes a first sealing washer clamped between the flanged pipe and the connecting pipe, and two sides of the first sealing washer are respectively abutted against the end faces of the flanged pipe and the connecting pipe.

Through adopting above-mentioned technical scheme, use first seal ring to carry out end face seal to turn-ups pipeline and connecting tube, improve the sealing performance between turn-ups pipeline and the connecting tube, satisfy the requirement that the high cleanliness factor of liquid was carried.

Optionally, the sealing structure further includes a third sealing washer sandwiched between the first flange and the second flange, and two sides of the third sealing washer are respectively abutted to the first flange and the second flange.

By adopting the technical scheme, the third sealing washer is arranged between the first flanging and the second flanging, so that the sealing performance between the first flanging and the second flanging is improved.

Optionally, the inner wall of the thread square is provided with an internal thread, and the outer wall of the pressing ring is provided with an external thread matched with the internal thread.

Through adopting above-mentioned technical scheme, adopt threaded connection between screw thread side and the clamping ring, the connection between screw thread side and the clamping ring is comparatively inseparable, and simultaneously, the connection between screw thread side and the clamping ring is more convenient.

Optionally, the thread square outer wall is of a polygonal structure.

Through adopting above-mentioned technical scheme, screw thread side outer wall is polygonized structure for be convenient for grip the screw thread side when screw thread side carries out threaded connection with the clamping ring, improve the convenience that connects installation or dismantlement.

Optionally, grooves are formed in the outer sides of the arc plates, and elastic rings are sleeved between the arc plates at the positions of the grooves.

Through adopting above-mentioned technical scheme, connect by the elastic ring between a plurality of arcs, when the installation, the restoring force of elastic ring makes the arc hold tightly on the turn-ups pipeline periphery wall, need not the manual work and fixes a position it for the installation that connects is more convenient.

Optionally, a holding portion is arranged at one end of the pressing ring far away from the thread side.

Through adopting above-mentioned technical scheme, when using, can hold the portion of gripping and install or dismantle the clamping ring for it is more convenient to install or dismantle.

Optionally, a chamfer is arranged at the edge of the inner wall of one end, close to the compression ring, of the thread square.

Through adopting above-mentioned technical scheme, the setting of lead angle for the connection of screw thread side and clamping ring is more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the arc-shaped plate with the flanging, the problem that the whole pipeline needs to be replaced when the connector of the flanged pipeline is replaced, and the process is complicated is solved; meanwhile, the waste of the pipeline is reduced, and the application range of the flanged pipeline is expanded;

2. the combination mode of splicing the arc plates ensures that the joint can be adapted to flanged pipelines with different specifications in a certain range, thereby increasing the universality of the joint;

3. the design of the polygonal structure of the thread square, the holding part of the press ring, the lead angle of the thread square and other structures further improves the convenience of the joint in installation or disassembly.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application.

Fig. 2 is an exploded view of the first embodiment of the present application.

Fig. 3 is a schematic cross-sectional structure diagram of the first embodiment of the present application.

Fig. 4 is a schematic structural view of a sealing structure according to another embodiment of the present application.

Fig. 5 is a schematic view of an arc-shaped plate structure according to a second embodiment of the present application.

Reference numerals are as follows: 1. flanging the pipeline; 2. connecting a pipeline; 3. pressing a ring; 4. a thread square; 5. an arc-shaped plate; 6. a sealing structure; 7. an elastic ring; 11. flanging the pipeline; 31. a grip portion; 41. second flanging; 51. a first flanging; 61. a first sealing gasket; 62. a second sealing gasket; 63. a third sealing gasket.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a quick coupling that can directly link to each other with turn-ups pipe fitting.

The first embodiment is as follows:

referring to fig. 1, 2 and 3, a quick coupling capable of being directly connected to a flanged pipe includes a press ring 3 screwed to an end of a connecting pipe 2, a screw thread 4 sleeved outside the flanged pipe 1, two arc plates 5 annularly disposed and tightly held on a circumferential wall of the flanged pipe 1 (in other embodiments, the number of the arc plates 5 may also be 3, 4, etc.), and a sealing structure 6 sandwiched between the flanged pipe 1 and the connecting pipe 2. The thread square 4 is in threaded connection with the pressing ring 3 (in other embodiments, the connection mode between the thread square 4 and the pressing ring 3 can also be bolt connection, pin connection, and the like), a first flange 51 is arranged on the periphery of the arc plate 5, a second flange 41 is arranged on the inner wall of one side of the thread square 4, which is far away from the pressing ring 3, two sides of the first flange 51 in the thickness direction are respectively abutted to the pipeline flange 11 and the second flange 41, and in order to enable the thread square 4 to be sleeved into the flange pipeline 1, the inner diameter of the second flange 41 is larger than the outer diameter of the pipeline flange 11; meanwhile, in order to ensure that the arc plate 5 is kept in abutment with the pipe flange 11 and prevent the arc plate 5 from falling off from the joint structure, the outer diameter of the first flange 51 is larger than the inner diameter of the second flange 41 and the inner diameter of the arc plate 5 is smaller than the outer diameter of the pipe flange 11.

Referring to fig. 2 and 3, in the present embodiment, the sealing structure 6 is a first sealing washer 61, two sides of the first sealing washer 61 are respectively detachably abutted to the end faces of the pipe flanging 11 and the connecting pipe 2, and the first sealing washer 61 is arranged to make the connection between the flanged pipe 1 and the connecting pipe 2 tighter.

Referring to fig. 4, in other embodiments, in order to enhance the sealing performance, a third sealing gasket 63 may be additionally arranged between the first flange 51 and the second flange 41; in order to prevent the arc plate 5 from wearing the pipeline flanging 11, a second sealing washer 62 can be additionally arranged between the pipeline flanging 11 and the first flanging 51.

Referring to fig. 2 and 3, for the convenience that improves the joint installation or dismantle, the 4 inner walls of screw square are provided with the internal thread, and 3 outer walls of clamping ring are provided with the external screw thread with internal thread looks adaptation, and the inner wall edge that screw square 4 is close to 3 one ends of clamping ring is provided with the lead angle.

For the staff grips screw thread side 4 and clamping ring 3 when making things convenient for screw thread side 4 and clamping ring 3 to carry out threaded connection, the one end that screw thread side 4 was kept away from to clamping ring 3 is provided with the portion of gripping 31, and the portion of gripping 31 is the hexagon structure with the outer wall of screw thread side 4, and simultaneously, the staff grips portion 31, when also can prevent screw thread side 4 and clamping ring 3 to carry out threaded connection, the threaded connection between clamping ring 3 and connecting tube 2 is not hard up.

The implementation principle of the quick coupling that this application embodiment can directly link to each other with the turn-ups pipeline is: during installation, with the tip of clamping ring 3 threaded connection to connecting tube 2, then embolia turn-ups pipeline 1 with screw thread side 4, establish a plurality of arc 5 annular covers on the periphery wall of turn-ups pipeline 1, and make the arc 5 be located screw thread side 4 and be close to one side of pipeline turn-ups 11, then slide screw thread side 4 along the direction that is close to pipeline turn-ups 11, second turn-ups 41 drives arc 5 and removes to the same direction, twist screw thread side 4 and make screw thread side 4 and clamping ring 3 threaded connection, until the both sides of first turn-ups 51 respectively with pipeline turn-ups 11 and second turn-ups 41 looks butt, with this, accomplish the connection of turn-ups pipeline 1 and connecting tube 2. During disassembly, the thread square 4 is screwed to separate the thread square 4 from the pressing ring 3, the arc-shaped plate 5 which is annularly and tightly embraced on the peripheral wall of the flanging pipeline 1 is taken down, the thread square 4 is taken down from the flanging pipeline 1, and finally, the pressing ring 3 is disassembled, so that the disassembly of the joint is completed; the replacement of the joint can be completed by repeating the steps of disassembly and assembly.

Example two:

referring to fig. 5, the difference between the first embodiment and the second embodiment is that the outer walls of the two arc-shaped plates 5 are both provided with a groove, an elastic ring 7 is sleeved between the two arc-shaped plates 5 at the groove, the elastic ring 7 may be an annular spring, an elastic rubber ring, or the like, and in the first embodiment, the elastic ring 7 is preferably an elastic rubber ring. When the connector is used, the arc-shaped plate 5 is sleeved on the outer wall of the flanged pipeline 1, the arc-shaped plate 5 is tightly held on the outer wall of the flanged pipeline 1 due to the resilience force of the elastic ring 7, and the operator is not required to continuously assist the arc-shaped plate 5 to be tightly held on the outer wall of the flanged pipeline 1, so that the connector is more convenient to install.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a can be directly with quick-operation joint that turn-ups pipe fitting links to each other which characterized in that: including establish screw thread side (4) in turn-ups pipeline (1) outside, be annular and hold tightly press ring (3) and turn-ups pipeline (1) and connect pipeline (2) linking department on turn-ups pipeline (1) perisporium and carry out sealed structure (6) sealed including establishing in turn-ups pipeline (1) the annular, screw thread side (4) with press ring (3) releasable connection, arc (5) periphery is provided with first turn-ups (51), screw thread side (4) are kept away from the inner wall of turn-ups pipeline (3) one side is provided with second turn-ups (41), the internal diameter of second turn-ups (41) is greater than the external diameter of pipeline turn-ups (11), is less than the external diameter of first turn-ups (51), the internal diameter of arc (5) is less than the external diameter of pipeline turn-ups (11).

2. The quick coupling according to claim 1, wherein the quick coupling is directly connectable to a flanged pipe, and comprises: the sealing structure (6) comprises a first sealing washer (61) clamped between the flanging pipeline (1) and the connecting pipeline (2), and two sides of the first sealing washer (61) are respectively abutted to the end faces of the pipeline flanging (11) and the connecting pipeline (2).

3. The quick coupling according to claim 1, which is directly connectable to a flanged pipe, characterized in that: the sealing structure (6) further comprises a third sealing washer (63) clamped between the first flanging (51) and the second flanging (41), and two sides of the third sealing washer (63) are respectively abutted to the first flanging (51) and the second flanging (41).

4. The quick coupling according to claim 1, which is directly connectable to a flanged pipe, characterized in that: the inner wall of the thread square (4) is provided with an internal thread, and the outer wall of the pressing ring (3) is provided with an external thread matched with the internal thread.

5. The quick connector of claim 4, which is directly connectable to a flanged pipe, wherein: the outer wall of the thread square (4) is of a polygonal structure.

6. The quick coupling according to claim 1, which is directly connectable to a flanged pipe, characterized in that: the outer sides of the arc-shaped plates (5) are provided with grooves, and elastic rings (7) are sleeved between the arc-shaped plates (5) at the positions of the grooves.

7. The quick coupling according to claim 1, which is directly connectable to a flanged pipe, characterized in that: and a holding part (31) is arranged at one end of the pressing ring (3) far away from the thread square (4).

8. The quick coupling according to claim 1, wherein the quick coupling is directly connectable to a flanged pipe, and comprises: the thread square (4) is close to the edge of the inner wall at one end of the compression ring (3) and is provided with a guide angle.