CN215831346U

CN215831346U - Split type cutting ferrule joint assembly for pressure pipeline

Info

Publication number: CN215831346U
Application number: CN202121984952.3U
Authority: CN
Inventors: 杨达兵
Original assignee: Sichuan Tongbang Oil And Gas Transmission And Distribution Equipment Co ltd
Current assignee: Sichuan Tongbang Oil And Gas Transmission And Distribution Equipment Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-15
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a split type clamping sleeve joint component of a pressure pipeline, which comprises a pipeline, wherein the pipeline is a cylinder with a hollow inner part, an annular groove is arranged on the outer wall of one end of the pipeline, an annular clamping sleeve is arranged in the annular groove, the inner wall of the annular clamping sleeve is attached to the inner wall of the annular groove, the annular clamping sleeve is cut along the axis, a clamping sleeve nut is arranged on the annular clamping sleeve and movably connected with the annular clamping sleeve, a first chamfer is arranged at the port of the pipeline, a pipeline element is arranged on one side of the pipeline, the pipeline element is a cylinder with a hollow inner part, and the pipeline element is connected with the clamping sleeve nut through threads.

Description

Split type cutting ferrule joint assembly for pressure pipeline

Technical Field

The utility model relates to an assembly, in particular to a split type clamping sleeve joint assembly for a pressure pipeline.

Background

The pipe joint is a connecting tool between the pipeline and the pipeline element, the pipeline element includes valve, joint and instrument, it is a connecting point which can be disassembled and assembled between the element and the pipeline, it plays an indispensable important role in the pipe fitting, it is one of two main components of the pressure pipeline, the pipe joint is used for the straight line connection of the instrument, the connecting form includes butt welding, socket welding or screw thread connection, it is mainly used for the pipeline with small diameter, it is used for the position which needs to be assembled and disassembled frequently, or used for the final adjustment of the pipeline using the screw pipe, the structure form should adopt the metal surface contact sealing structure, the structure form of the gasket sealing is usually used for the general pipeline of transporting water, oil, air, besides, the use requirement and price are the factors considered when selecting, because it belongs to the detachable connecting element, it meets the normal firm connection, Besides the requirements of strong sealing performance, reasonable size, small pressure loss, good process performance and the like, the requirement of convenient assembly and disassembly must be met, so that the pipe joint which is small and small is not looked down, the whole hydraulic system can be supported only by the pipe joint, but the existing joint assembly is easy to loosen in the using process, and the leakage is easy to occur in the using process of the assembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that the existing joint component mainly adopts a mode of welding a connecting joint to realize the connection of a pipeline and a pipeline element, and the component is difficult to assemble and easy to leak in the use process due to welding deformation and poor dimensional precision. Potential safety hazards exist after the joint is welded, and in addition, nondestructive testing is required, so that the cost is high. Aim at provides a pipeline under pressure is to open cutting ferrule joint subassembly, has solved welding deformation and poor resulting in subassembly assembly difficulty and the easy emergence of in the use to leak with size precision. The potential safety hazard exists after the joint is welded, and in addition, nondestructive testing is required to be carried out, so that the technical problems of high cost and the like are caused.

The utility model is realized by the following technical scheme:

a split type cutting sleeve joint component of a pressure pipeline comprises a pipeline, the pipeline is a pressure pipeline, a ring-shaped groove is arranged on the outer wall of one end of the pipeline, the ring-shaped groove is close to the port of the pipeline, a ring-shaped cutting sleeve is arranged in the ring-shaped groove, the shape of the inner wall of the ring-shaped cutting sleeve is matched with that of the outer wall of the ring-shaped groove, the outer wall of the ring-shaped cutting sleeve is attached to the inner wall of a cutting sleeve nut, the ring-shaped cutting sleeve is cut along the axial line, the ring-shaped cutting sleeve is clamped into the ring-shaped groove of the pipeline, the cutting sleeve nut is movably connected with the ring-shaped cutting sleeve, the ring-shaped cutting sleeve is clamped into the ring-shaped groove of the pipeline during assembly, then the cutting sleeve nut is sleeved, the port of the pipeline is provided with a pipeline spherical surface, a pipeline element is connected with the pipeline, the connecting end of the pipeline element is provided with a taper hole and an external thread, the sealing surface of the pipeline and the pipeline element is hard sealing surface of the pipeline element, the pipeline element is hard sealed by the cutting sleeve nut thread, and connection and sealing are realized.

The working principle of the utility model is as follows: the existing joint component is poor in welding deformation and size precision, assembly is not in place, leakage easily occurs in the using process, in order to solve the technical problem, a pressure pipeline split type clamping sleeve joint component is arranged at present, the pipeline and the inside hollow of a pipeline element are used for conveying media, the outer wall of one end of the pipeline is used for setting a ring groove, the ring groove is used for connecting a ring clamping sleeve, one end of the ring clamping sleeve is designed into a conical surface, the ring clamping sleeve is prevented from falling off by matching with the inner hole conical surface of a clamping sleeve nut, the pipeline is tightly embraced by the ring clamping sleeve under the action of matching of the conical surface of the clamping sleeve nut and the conical surface of the clamping sleeve and pressure, and threaded connection is realized between the clamping sleeve nut and the pipeline element. Through pipeline and pipe element intercommunication, be convenient for realize the problem of carrying, transporting of medium, through the conical surface of the pipeline component of impressing the pipeline sphere that sets up pipeline port department, lead to the cutting ferrule nut to hold the cutting ferrule and make pipeline and pipe element screw together, solved current joint Assembly and taken place not hard up easily at the in-process that uses, lead to the problem that the easy emergence of subassembly in the use leaks.

Furthermore, the pipeline element is connected with the pipeline element in a mode of welding the pipeline connecting joint no longer by realizing threaded connection through the clamping sleeve nut and the ring type clamping sleeve.

Furthermore, the split ring-type clamping sleeves replace welding, so that the connection between pipelines is realized.

Furthermore, the pipeline is provided with an annular groove and an annular clamping sleeve, the annular clamping sleeve is clamped into the annular groove after being cut along the axis, and the connection of the annular clamping sleeve and the pipe body is realized.

Furthermore, the ring-type clamping sleeve is designed into a conical surface and is matched with the conical surface of the inner hole of the clamping sleeve nut, so that the transmission of axial force and radial force is realized, and the strength of the connecting part is higher.

Furthermore, the connecting ends of the pipeline elements are taper holes, and the hard sealing connection of the spherical surfaces of the pipelines is realized.

Further, the ring type cutting ferrule includes two at least lamella cutting ferrules, the shape phase-match of the shape of cutting ferrule and ring channel, ring type cutting ferrule has been constituteed through the cutting ferrule, through setting up two at least lamella cutting ferrules, be convenient for carry out manufacturing respectively to the cutting ferrule, and then be convenient for be connected ring type cutting ferrule and ring channel, through penetrating the cutting ferrule nut from pipeline one end, and then be connected fixedly with ring channel again, and then be connected with ring type cutting ferrule through the cutting ferrule nut, and then the cutting ferrule nut of being convenient for is connected with the pipe element, the problem that need carry out the welding after having avoided current with cutting ferrule nut and pipe connection has been avoided.

Further, the ring type cutting ferrule is processed into the expanding sleeve, the shape of the cutting ferrule is matched with the shape of the annular groove, the cutting ferrule nut penetrates from one end of the pipeline, then the ring type cutting ferrule is sleeved into the annular groove to be connected and fixed, then the cutting ferrule nut is connected with the ring type cutting ferrule through the cutting ferrule nut, and then the cutting ferrule nut is convenient to connect with a pipeline element, so that the problem that welding needs to be carried out after the cutting ferrule nut is connected with the pipeline is solved.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. the split type cutting sleeve joint component for the pressure pipeline adopts hard sealing of the spherical surface of the pipeline, and is more reliable to high temperature and high pressure. The problem of leakage at the joint of the pipeline and the pipeline element is avoided;

2. according to the split-type cutting sleeve joint component for the pressure pipeline, the cutting sleeve nut is movably connected with the ring-type cutting sleeve, so that the pipeline is conveniently connected with a pipeline element, and the connection between the pipeline and the pipeline element is conveniently disassembled;

3. according to the split type clamping sleeve joint assembly for the pressure pipeline, when the pipeline element is connected with the clamping sleeve nut, the pipeline element enters the inner wall of the pipeline element through the pipeline and is extruded through the port of the pipeline, so that the connection between the pipeline element and the clamping sleeve nut is conveniently enhanced, and the problem of looseness in the use process of the pipeline and the pipeline original element is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection of a pipe with a ring type ferrule;

fig. 3 is a schematic structural view of a ferrule nut of the present invention.

Reference numbers and corresponding part names in the drawings:

1-pipeline, 2-annular groove, 3-annular cutting sleeve, 4-cutting sleeve conical surface, 5-cutting sleeve nut, 6-cutting sleeve nut conical surface, 7-pipeline spherical surface, 8-pipeline element, 9-pipeline element inner conical surface, 10-chamfer and 11-first sealing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

The utility model relates to a split type clamping sleeve joint component of a pressure pipeline, which comprises a pipeline 1, wherein the pipeline 1 is a hollow cylinder, the outer wall of one end of the pipeline 1 is provided with an annular groove 2, the annular groove 2 is close to the end opening of the pipeline 1, an annular clamping sleeve 3 is arranged in the annular groove 2, the shape of the inner wall of the annular clamping sleeve 3 is matched with that of the inner wall of the annular groove 2, the inner wall of the annular clamping sleeve 3 is attached to the inner wall of the annular groove 2, the annular clamping sleeve 3 is cut along the axis, a clamping sleeve nut 5 is arranged on the annular clamping sleeve 3, the clamping sleeve nut 5 is movably connected with the annular clamping sleeve 3, a pipeline spherical surface 7 is arranged at the end opening of the pipeline 1, one side of the pipeline 1 is provided with a pipeline element 8, the pipeline element 8 is a hollow cylinder, the inner part of one end of the pipeline element 8 is provided with a conical surface 9, the shape of the conical surface 9 is matched with that of the pipeline spherical surface 7, and the pipeline element 8 is connected with the clamping sleeve nut 5 through threads.

The specific implementation manner of this embodiment is: the pipeline spherical surface arranged at the port of the pipeline is matched with the conical surface arranged on the inner wall of the pipeline element, so that the port of the pipeline enters the conical surface, the pipeline element enters the inner wall of the pipeline element through the pipeline while being connected with the ferrule nut, the conical surface of the pipeline element is extruded through the spherical surface of the pipeline, the inner wall of the pipeline element is attached to the pipeline, the connection between the pipeline element and the pipeline is convenient to enhance, the problem of looseness in the use process of the pipeline and the pipeline element is avoided, the pipeline is convenient to be communicated with the pipeline element, a medium is convenient to pass through the communication position of the pipeline and the pipeline element, the pipeline is convenient to be connected with the pipeline element through the ferrule nut and the ring-type ferrule, the connection between the pipeline and the pipeline element is convenient to disassemble, the split ferrule joint component of the pressure pipeline is arranged, and the problem that the looseness easily occurs in the use process of the existing joint component is solved, resulting in the problem that the assembly is easy to leak during use.

Example 2

Based on embodiment 1, as shown in fig. 1 and 3, the inner wall of the other end of the ferrule nut 5 is provided with a first thread, the outer wall of one end of the pipe element 8 is provided with a second thread, the pipe element 8 and the ferrule nut 5 are connected through the first thread and the second thread, and the ports at the two ends of the ferrule nut 5 are provided with chamfers 10.

The specific implementation manner of this embodiment is: be equipped with first screw thread on the inner wall of the cutting ferrule nut other end, be equipped with the second screw thread on the outer wall of pipeline component one end, pipeline component and cutting ferrule nut pass through first screw thread and second threaded connection, the second screw thread phase-match of the first screw thread that sets up through the cutting ferrule nut and the setting of pipeline component outer wall, be convenient for realize that the interlock of first screw thread and second screw thread is connected, be convenient for realize being connected of pipeline component and cutting ferrule nut, dismantle, and then be convenient for realize being connected of pipeline and pipeline component, dismantle, the port at cutting ferrule nut both ends is equipped with the chamfer, the chamfer through the cutting ferrule nut setting, be convenient for be connected of cutting ferrule nut and pipeline component, the port department of having avoided the cutting ferrule nut forms the acute angle, and then avoided cutting ferrule nut and pipeline component to be connected, lead to the fact personnel injured problem during the dismantlement.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A split type clamping sleeve joint component for a pressure pipeline is characterized by comprising a pipeline (1), wherein the pipeline (1) is the pressure pipeline, a ring-shaped clamping sleeve (3) is arranged in the ring-shaped groove (2) which is arranged on the outer wall of one end of the pipeline (1), the ring-shaped groove (2) is close to the end opening of the pipeline (1), the shape of the inner wall of the ring-shaped clamping sleeve (3) is matched with that of the outer wall of the ring-shaped groove (2), the outer wall of the ring-shaped clamping sleeve (3) is attached to the inner wall of a clamping sleeve nut (5), the ring-shaped clamping sleeve (3) is cut along the axial line, the ring-shaped clamping sleeve (3) is clamped into the ring-shaped groove (2) of the pipeline (1), the clamping sleeve nut (5) is arranged on the ring-shaped clamping sleeve (3), the clamping sleeve nut (5) is movably connected with the ring-shaped clamping sleeve (3), the ring-shaped clamping sleeve (3) is clamped into the ring-shaped groove (2) of the pipeline (1) during assembly, and then the clamping sleeve nut (5) is sleeved on the ring-shaped clamping sleeve, the port department of pipeline (1) is equipped with pipeline sphere (7), is connected with pipeline (1) pipeline component (8), and the link of pipeline component (8) is taper hole and external screw thread, and the sealed face of pipeline (1) and pipeline component (8) is the pipeline sphere hard seal, and pipeline (1) and pipeline component (8) are screwed through cutting ferrule nut (5) screw thread, realize connecting and sealing.

2. A split clamping sleeve joint assembly for pressure pipes according to claim 1, characterised in that the pipe elements (8) are screwed together by means of the clamping sleeve nut (5) and the ring-type clamping sleeve (3) and are no longer connected to the pipe elements (8) by means of a welded pipe joint.

3. A split clamping sleeve joint assembly for pressure pipes according to claim 1, characterized in that the connection between the pipes is achieved by split ring type clamping sleeves (3) instead of welding.

4. The split type clamping sleeve joint component for the pressure pipeline as claimed in claim 1, wherein the pipeline (1) is provided with an annular groove (2) and an annular clamping sleeve (3), the annular clamping sleeve (3) is cut along the axis and clamped into the annular groove (2), and the annular clamping sleeve is connected with the pipeline body.

5. The split type ferrule connector assembly for pressure pipes according to claim 1, wherein the ring-type ferrule (3) is designed to be a conical surface and is matched with the conical surface of the inner hole of the ferrule nut (5) to realize the transmission of axial force and radial force, so that the strength of the connecting part is higher.

6. A split pressure pipe ferrule assembly according to claim 1, wherein the coupling ends of the pipe elements (8) are tapered holes to achieve a spherical hard seal connection of the pipes.

7. A split clamping sleeve joint assembly for pressure pipes according to claim 1, characterized in that the ring-type clamping sleeve (3) comprises at least two-piece clamping sleeve, the shape of which matches the shape of the annular groove (2).

8. A split clamping sleeve joint assembly for pressure pipes according to claim 1, characterized in that the ring-type clamping sleeve (3) is made as an expansion sleeve, the shape of which matches the shape of the annular groove (2).