CN212868821U - Sealed type buckle changing joint - Google Patents
Sealed type buckle changing joint Download PDFInfo
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- CN212868821U CN212868821U CN202021395240.3U CN202021395240U CN212868821U CN 212868821 U CN212868821 U CN 212868821U CN 202021395240 U CN202021395240 U CN 202021395240U CN 212868821 U CN212868821 U CN 212868821U
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Abstract
The utility model discloses a sealed variable buckle joint, which belongs to the field of petroleum pipeline connecting equipment, and comprises a joint main body, a snap ring and a connecting nut which are coaxially arranged, wherein the outer ring of one end of the joint main body is provided with a connecting thread, the other end of the joint main body is provided with the connecting nut, the connecting nut is provided with an internal thread, and the end part of the joint main body, which is positioned in the internal thread section, is provided with a sealing ring; one end of the connecting nut, which is far away from the internal thread, is provided with a first positioning bulge extending inwards, one end of the clamping ring, which is close to the connecting nut, is provided with a second positioning bulge protruding outwards, a shoulder is arranged on the joint main body, one end of the second positioning bulge is arranged in contact with the shoulder, and the other end of the second positioning bulge is arranged in contact with the first positioning bulge; the outer ring of one end, far away from the second positioning bulge, of the clamping ring is provided with a positioning groove, and an axial elastic check ring for axially positioning the connecting nut is arranged in the positioning groove. The utility model discloses the leakproofness is good, effectively prevents the leakage at oil pipe connection position, and safety ring protects the nature strong.
Description
Technical Field
The utility model belongs to oil well salvage equipment field relates to sealed variable buckle joint.
Background
The variable buckle joint is also called a connecting joint and is used for realizing the connection of oil field pipelines, the variable buckle joint can be used in the process of practical production and application of professional petroleum casing pipes, oil casing pipe short sections, oil casing pipe hoops and the like, the requirements on high connection strength and strict sealing performance are met in the process of oil pipe connection, the safety of long-distance pipeline transmission is ensured, leakage is prevented, and the pollution to the environment is avoided.
The pipe is laid in the process, the use of the fastening change joint is necessary, and the fastening change joint which is commonly used at present is difficult to ensure the sealing performance although being improved for many times, and the leakage problem also occurs.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
In view of the problems existing in the description of the background art, the utility model discloses, therefore, one of them purpose of the utility model is to provide sealed change buckle joint, and the leakproofness is good, effectively prevents the leakage at oil pipe connection position, and safety ring protects the nature strongly.
In order to solve the technical problem, the utility model discloses a technical scheme is: the sealed type buckle changing connector comprises a connector main body, a clamping ring and a connecting nut which are coaxially arranged, wherein a connecting thread is arranged on the outer ring of one end of the connector main body, a connecting nut is arranged on the other end of the connector main body, an internal thread is arranged on the connecting nut, and a sealing ring is arranged at the end part, located on the internal thread section, of the connector main body;
one end, far away from the internal thread, of the connecting nut is provided with a first positioning bulge extending inwards, one end, close to the connecting nut, of the clamping ring is provided with a second positioning bulge protruding outwards, a shoulder is arranged on the joint main body, one end of the second positioning bulge is arranged in contact with the shoulder, and the other end of the second positioning bulge is arranged in contact with the first positioning bulge;
the outer ring of one end, far away from the second positioning protrusion, of the clamping ring is provided with a positioning groove, and an axial elastic check ring for axially positioning the connecting nut is arranged in the positioning groove.
Furthermore, the snap ring is of an annular structure formed by three identical annular structures.
Furthermore, the connecting thread is a conical thread, the internal thread is a conical thread structure, and the specification of the connecting thread is consistent with that of the internal thread.
Furthermore, a through hole is formed in the joint main body, a sealing inclined plane is arranged at one end, close to the connecting thread, of the joint main body, and the roughness of the sealing inclined plane is 1.6-0.8.
Furthermore, the joint main body, the clamping ring and the connecting nut are all made of hard plastic die steel.
Furthermore, the sealing ring is integrally formed by a nitrile rubber material.
Compared with the prior art, the utility model has the advantages and positive effect as follows.
1. The utility model discloses connect snap ring and coupling nut, connecting thread sets up the internal thread, conveniently connects with the tip of oil pipe, sets up the sealing washer in the part that the joint main part is located the internal thread simultaneously, has realized the sealed of inner circle after the oil pipe threaded connection, and the leakproofness is good, and the structure of snap ring and connecting thread, dismouting that can be quick promotes the efficiency that oil pipe connects;
2. after the first positioning bulge, the second positioning bulge and the shoulder are arranged, the quick positioning of the clamping ring, the joint main body and the connecting nut can be realized, the assembly efficiency is improved, the quick connection of an oil pipe is facilitated, and the positioning precision is high;
3. the snap ring comprises an annular structure from three same annular structures, and the structure of this kind of pin-connected panel, simple to operate is swift, can be quick install, has avoided the rotatory condition of many times screw thread, helps promoting work efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of the sealed type buckle changer of the present invention;
FIG. 2 is a cross-sectional view of the snap ring of the present invention;
fig. 3 is a top view of the snap ring of the present invention.
Reference numerals:
1. a connector body; 11. sealing the inclined plane; 12. connecting threads; 13. a shoulder; 2. a snap ring; 21. a second positioning projection; 22. positioning a groove; 3. a connecting nut; 31. an operation hole; 32. a first positioning projection; 4. a circlip for the shaft; 5. And (5) sealing rings.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional space dimensions including length, width and depth should be included in the actual manufacturing
Again, it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
In order to make the objects, technical solutions and advantages of the present invention clearer, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the sealed type buckle adapter comprises an adapter main body 1, a snap ring 2 and a connecting nut 3 which are coaxially arranged, wherein an outer ring at one end of the adapter main body 1 is provided with a connecting thread 12, the other end of the adapter main body is provided with the connecting nut 3, the connecting nut 3 is provided with an internal thread, a sealing ring 5 is arranged at the end part of the adapter main body 1 located in the internal thread section, so that the sealing performance between the adapter main body 1 and the inner wall of an oil pipe is improved, and the sealing;
one end, far away from the internal thread, of the connecting nut 3 is provided with a first positioning protrusion 32 extending inwards, one end, close to the connecting nut 3, of the clamping ring 2 is provided with a second positioning protrusion 21 protruding outwards, the joint main body 1 is provided with a shoulder 13, one end of the second positioning protrusion 21 is in contact with the shoulder 13, the other end of the second positioning protrusion 21 is in contact with the first positioning protrusion 32, after the first positioning protrusion 32 and the second positioning protrusion 21 and the shoulder 13 are arranged, the quick positioning of the clamping ring 2, the joint main body 1 and the connecting nut 3 can be realized, the group length efficiency can be improved, the quick connection of an oil pipe is facilitated, and the positioning precision is high;
the one end outer lane that the protruding 21 of second location was kept away from to snap ring 2 is equipped with constant head tank 22, is equipped with the for the axle circlip 4 that advances line location to coupling nut 3 axial in the constant head tank 22, and this simple structure can realize quick equipment, has promoted the packaging efficiency, and the cost, the setting of for the axle circlip 4 has still realized that the quick location of the 2 quick annular structure of snap rings of triplex forms.
Preferably, the snap ring 2 is an annular structure formed by three same annular structures, and the structure of the split mounting type is convenient and quick to mount, can be rapidly mounted, avoids the situation of multiple screw thread rotations, and is beneficial to improving the working efficiency.
Preferably, the connecting thread 12 is a conical thread, the internal thread is a conical thread structure, and the specification of the connecting thread 12 is consistent with that of the internal thread, so that the connection of oil pipes with the same pipe diameter is ensured, and the connecting structure is simple, convenient and quick; more preferably, a plurality of operation holes 31 are uniformly distributed on the outer ring of one end, close to the snap ring 2, of the connecting nut 3, so that the connecting nut 3 can be clamped and rotated in the installation process conveniently, and the force application of tools and jigs is facilitated.
Preferably, the joint main body 1 is provided with a through hole inside, one end of the joint main body 1 close to the connecting thread 12 is provided with a sealing inclined surface 11, the roughness of the sealing inclined surface 11 is 1.6-0.8, the lowest precision is 1.6, and the higher the precision is, the better the sealing performance is.
Preferably, the joint main body 1, the snap ring 2 and the connecting nut 3 are all made of hard plastic die steel, 42CrMo is adopted, and the joint main body is small in heat treatment deformation, good in wear resistance, easy to process, good in polishing performance, corrosion resistance, good in fracture resistance and long in service life.
Preferably, the sealing ring 5 is integrally formed by a nitrile rubber material, has excellent oil resistance, higher wear resistance and better heat resistance, is suitable for being used in the connection of oil pipes, and has long service life and stable chemical performance.
In the in-process of actual operation, earlier with three snap ring 2 and coupling nut 3 cooperation back, can first location arch 32 and the protruding 21 contact setting of second location, establish on connecting main part 1 three snap ring 2 package earlier, the protruding 21 of second location on the snap ring 2 and the circular bead 13 contact setting on connecting main part 1, fixed completion back, installation axle circlip 4, realize coupling nut 3 in the location of axis direction, then at the tip installation sealing washer 5 that connects main part 1, an oil pipe is connected to this connecting thread 12 of change knot joint one end, seal through sealed inclined plane 11, another oil pipe of female connection of the other end, the inner circle has realized sealedly through sealing washer 5, this structure has realized the connection of two oil pipes, satisfy long distance's transport, the leakproofness is good, the installation is swift convenient, effectively avoid leaking, safety ring protects.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (6)
1. Sealed knot connects becomes, its characterized in that: the connector comprises a connector main body, a clamping ring and a connecting nut which are coaxially arranged, wherein a connecting thread is arranged on the outer ring of one end of the connector main body, the connecting nut is arranged on the other end of the connector main body, an internal thread is arranged on the connecting nut, and a sealing ring is arranged at the end part of the connector main body, which is positioned on the internal thread section;
one end, far away from the internal thread, of the connecting nut is provided with a first positioning bulge extending inwards, one end, close to the connecting nut, of the clamping ring is provided with a second positioning bulge protruding outwards, a shoulder is arranged on the joint main body, one end of the second positioning bulge is arranged in contact with the shoulder, and the other end of the second positioning bulge is arranged in contact with the first positioning bulge;
the outer ring of one end, far away from the second positioning protrusion, of the clamping ring is provided with a positioning groove, and an axial elastic check ring for axially positioning the connecting nut is arranged in the positioning groove.
2. The sealed transformer of claim 1, wherein: the snap ring is of an annular structure formed by three identical annular structures.
3. The sealed transformer of claim 1, wherein: the connecting thread is a conical thread, the internal thread is of a conical thread structure, and the specification of the connecting thread is consistent with that of the internal thread.
4. The sealed transformer of any of claims 1-3, wherein: the connector is characterized in that a through hole is formed in the connector main body, a sealing inclined plane is arranged at one end, close to the connecting thread, of the connector main body, and the roughness of the sealing inclined plane is 1.6-0.8.
5. The sealed transformer of any of claims 1-3, wherein: the joint main body, the clamping ring and the connecting nut are all made of hard plastic die steel.
6. The sealed transformer of any of claims 1-3, wherein: the sealing ring is integrally formed by a nitrile rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395240.3U CN212868821U (en) | 2020-07-15 | 2020-07-15 | Sealed type buckle changing joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395240.3U CN212868821U (en) | 2020-07-15 | 2020-07-15 | Sealed type buckle changing joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212868821U true CN212868821U (en) | 2021-04-02 |
Family
ID=75215724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021395240.3U Active CN212868821U (en) | 2020-07-15 | 2020-07-15 | Sealed type buckle changing joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212868821U (en) |
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2020
- 2020-07-15 CN CN202021395240.3U patent/CN212868821U/en active Active
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