CN219954565U

CN219954565U - Joint

Info

Publication number: CN219954565U
Application number: CN202321635860.3U
Authority: CN
Inventors: 刘洪铭; 龚毅; 石川
Original assignee: Chengdu Hangruike Precision Machinery Co ltd
Current assignee: Chengdu Hangruike Precision Machinery Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-11-03
Anticipated expiration: 2033-06-26

Abstract

The embodiment of the utility model discloses a connector, which comprises a first connector pipe, a second connector pipe, a metal sealing ring and a locking mechanism; the first joint pipe and the second joint pipe are in butt joint and are fixedly connected through a locking mechanism; a mounting groove is formed at the joint of the first joint pipe and the second joint pipe; the metal sealing ring is arranged in the mounting groove. The joint takes a metal C-shaped sealing ring or a spring reinforced metal C-shaped sealing ring as a sealing gasket, has a self-tightening function, has better sealing performance as the internal pressure is higher, and can resist high pressure of 200MPa at most; the metal C-shaped sealing ring can adopt different high-temperature resistant materials according to the needs; the C-shaped sealing ring can achieve the effect of preventing leakage, and is particularly suitable for high-risk medium occasions; the metal C-shaped sealing ring can be positioned and installed accurately and quickly; the locking mechanism is positioned, pressed and locked by the wedge-shaped bulge and the clamping groove, so that the locking mechanism is accurate in installation, convenient and quick in installation, small in installation force, convenient to detach and easy to install and maintain.

Description

Joint

Technical Field

The utility model relates to the technical field related to high-temperature and high-pressure pipelines, in particular to a joint.

Background

The joint of the existing high-temperature high-pressure pipeline is welded in a commonly adopted connection mode.

The adoption of the welding mode has the advantages that: the high-temperature and high-pressure resistance performance is excellent.

The disadvantage of the welding method is that: welding requires operation at the assembly site; the interior of the pipeline is easy to bring excessive impurities and the like; the construction site has the hidden danger of fire; and the secondary disassembly and assembly can not be performed.

In addition, the connection mode commonly adopted at the existing high-temperature high-pressure pipeline connection joint is also a flange connection mode, and the metal winding pad and the high-temperature resistant gasket are arranged at the connection position through the flange connection.

The flange connection has the advantages that: can be suitable for the use conditions of minus 196 ℃ to 600 ℃ and the use pressure is less than or equal to 25MPa.

The disadvantage of using flange connections is that: the highest pressure of 25MPa is used, so that the requirements of larger high-pressure occasions cannot be met; the dental caries (scattering rack) is easy to occur due to the high technical requirement for installation; the flange structure is bigger, is not applicable to the installation in some narrow spaces.

Disclosure of Invention

To address at least one of the deficiencies of the prior art, a connector is disclosed.

The joint comprises a first joint pipe, a second joint pipe, a metal sealing ring and a locking mechanism; the first joint pipe and the second joint pipe are in butt joint and are fixedly connected through the locking mechanism; a mounting groove is formed at the joint of the first joint pipe and the second joint pipe; the metal sealing ring is arranged in the mounting groove; the metal sealing ring is a metal C-shaped sealing ring or a spring reinforced metal C-shaped sealing ring.

According to a preferred embodiment of the present utility model, the locking mechanism includes a locking protrusion and a locking collar; the locking protrusion is arranged at the joint of the first joint pipe and the second joint pipe; a clamping groove matched with the locking protrusion is formed in the inner side of the locking clamp ring; under the installation state, the locking protrusion is connected with the clamping groove in a clamping way, so that the first joint pipe and the second joint pipe are fixedly connected.

According to a preferred embodiment of the present utility model, the locking protrusion includes a first annular protrusion provided at the butt end portion of the first joint pipe and a second annular protrusion provided at the butt end portion of the second joint pipe; in the installed state, the first joint pipe and the second joint pipe are in butt joint, so that the first annular protrusion and the second annular protrusion are in butt joint to form the locking protrusion.

According to a preferred embodiment of the utility model, the locking protrusion has a wedge-shaped structure.

According to a preferred embodiment of the present utility model, the locking clasp comprises a first semicircular piece and a second semicircular piece; the first semicircular piece and the second semicircular piece are in butt joint and are fixedly connected through a locking assembly to form the locking clamping ring.

According to a preferred embodiment of the utility model, the locking assembly comprises a bolt and a nut.

According to a preferred embodiment of the utility model, a projection is provided on both the first and second semicircular pieces; a connecting hole is arranged on the protruding part; the bolt passes through the connecting hole and is locked with the nut.

According to a preferred embodiment of the present utility model, the opening side of the metal C-shaped seal ring or the spring-reinforced metal C-shaped seal ring coincides with the opening direction of the installation groove.

The above technical scheme or schemes in the joint provided by the embodiment of the utility model at least have one of the following technical effects:

the joint provided by the embodiment of the utility model takes the metal C-shaped sealing ring or the spring reinforced metal C-shaped sealing ring as a sealing gasket, has a self-tightening effect, has better sealing performance as the internal pressure is larger, and can resist high pressure of 200MPa at most; the metal C-shaped sealing ring or the spring reinforced metal C-shaped sealing ring can be made of different high-temperature resistant materials according to the needs, and the highest temperature can resist 1000 ℃; the C-shaped sealing ring can achieve the effect of preventing leakage, and is particularly suitable for high-risk medium occasions; the installation groove is designed in advance, and the metal C-shaped sealing ring or the spring reinforced metal C-shaped sealing ring can be positioned and installed accurately and rapidly; the locking mechanism guides, positions and compresses the wedge-shaped bulges and the clamping grooves, and locks the split thread assembly, so that the locking mechanism is accurate in installation, convenient and quick in installation, small in installation force, convenient to detach and easy to install and maintain; the split type locking clamp ring bears the strong pressure transmitted by the pipeline through the split type locking clamp ring, and the bolt only provides the pressing force and bears the internal pressure of the pipeline, so that the pressure resistance is stronger; the locking mechanism has smaller volume and can be suitable for occasions in some narrow spaces.

Additional features of the utility model will be set forth in part in the description which follows. Additional features of part of the utility model will be readily apparent to those skilled in the art from a examination of the following description and the corresponding figures or a study of the manufacture or operation of the embodiments. The features of the present disclosure may be implemented and realized in the practice or use of the various methods, instrumentalities and combinations of the specific embodiments described below.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Like reference symbols in the various drawings indicate like elements. Wherein,,

FIG. 1 is a schematic view of an exploded construction of a joint according to some embodiments of the utility model;

FIG. 2 is a schematic cross-sectional view of a joint according to some embodiments of the utility model;

fig. 3 is an enlarged view at a in fig. 2.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that if the terms "first," "second," and the like are referred to in the description of the present utility model and the claims and the above figures, they are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, if the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like are referred to, the indicated azimuth or positional relationship is based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Further, in the present utility model, the terms "mounted," "configured," "provided," "connected," "sleeved," and the like are to be construed broadly if they relate to. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The embodiment of the utility model discloses a joint.

As shown in fig. 1 to 3, the joint includes a first joint pipe 110, a second joint pipe 120, a metal seal ring 200, and a locking mechanism 300. Wherein the first joint pipe 110 and the second joint pipe 120 are in butt joint and are fixedly connected through a locking mechanism 300. A mounting groove 130 is provided at the junction of the first joint pipe 110 and the second joint pipe 120. A metal seal ring 200 is disposed within the mounting groove 130. The metal seal ring 200 is a metal C-shaped seal ring or a spring reinforced metal C-shaped seal ring. Preferably, the opening side of the metal C-shaped seal ring or the spring-reinforced metal C-shaped seal ring coincides with the opening direction of the installation groove 130. The adoption of the spring reinforced metal C-shaped sealing ring can meet the requirement of higher pressure and higher sealing performance.

Illustratively, in this embodiment, the locking mechanism 300 includes a locking protrusion 310 and a locking collar 320. The locking protrusion 310 is provided at the junction of the first joint pipe 110 and the second joint pipe 120. A clamping groove 321 matched with the locking protrusion 310 is arranged on the inner side of the locking clamp ring 320. In the mounted state, the locking protrusion 310 is snap-coupled with the locking groove 321, so that the first joint pipe 110 and the second joint pipe 120 are fixedly coupled.

Wherein the locking protrusion 310 includes a first annular protrusion 311 provided at the abutting end portion of the first joint pipe 110 and a second annular protrusion 312 provided at the abutting end portion of the second joint pipe 120. In the installed state, the first joint pipe 110 and the second joint pipe 120 are butted so that the first annular protrusion 311 and the second annular protrusion 312 are butted to form the locking protrusion 310.

As a preferred embodiment, the locking protrusion 310 has a wedge-shaped structure, as shown in fig. 2.

The locking collar 320 includes a first half-round piece 322 and a second half-round piece 323. The first semicircular piece 322 and the second semicircular piece 323 are in butt joint and are connected and fixed through a locking assembly to form a locking clamping ring 320. Illustratively, the locking assembly includes a bolt and a nut. Projections are provided on both the first half 322 and the second half 323. The protruding part is provided with a connecting hole. The bolt passes through the connecting hole and is locked with the nut.

It should be noted that all of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except mutually exclusive features and/or steps.

In addition, the foregoing detailed description is exemplary, and those skilled in the art, having the benefit of this disclosure, may devise various arrangements that, although not explicitly described herein, are within the scope of the present disclosure. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims

1. A joint, characterized in that it comprises a first joint pipe (110), a second joint pipe (120), a metal seal ring (200) and a locking mechanism (300);

the first joint pipe (110) and the second joint pipe (120) are in butt joint and are fixedly connected through the locking mechanism (300);

a mounting groove (130) is formed at the joint of the first joint pipe (110) and the second joint pipe (120); the metal sealing ring (200) is arranged in the mounting groove (130);

the metal sealing ring (200) is a metal C-shaped sealing ring or a spring reinforced metal C-shaped sealing ring.

2. The fitting according to claim 1, wherein the locking mechanism (300) comprises a locking protrusion (310) and a locking collar (320);

the locking protrusion (310) is arranged at the joint of the first joint pipe (110) and the second joint pipe (120);

a clamping groove (321) matched with the locking protrusion (310) is formed in the inner side of the locking clamp ring (320);

in the installation state, the locking protrusion (310) is in clamping connection with the clamping groove (321), so that the first joint pipe (110) and the second joint pipe (120) are fixedly connected.

3. The fitting according to claim 2, wherein the locking protrusion (310) comprises a first annular protrusion (311) provided at the abutting end of the first fitting tube (110) and a second annular protrusion (312) provided at the abutting end of the second fitting tube (120);

in an installed state, the first joint pipe (110) and the second joint pipe (120) are butted, so that the first annular protrusion (311) and the second annular protrusion (312) are butted to form the locking protrusion (310).

4. A joint according to claim 3, wherein the locking protrusion (310) is wedge-shaped.

5. The joint of claim 2, wherein the locking collar (320) comprises a first half-round (322) and a second half-round (323);

the first semicircular piece (322) and the second semicircular piece (323) are in butt joint, and are connected and fixed through a locking assembly to form the locking clamping ring (320).

6. The fitting of claim 5 wherein said locking assembly comprises a bolt and a nut.

7. Joint according to claim 6, characterized in that a projection is provided on both the first half-round (322) and the second half-round (323); a connecting hole is arranged on the protruding part; the bolt passes through the connecting hole and is locked with the nut.

8. The fitting according to claim 6, characterized in that the open side of the metal C-ring or the spring-reinforced metal C-ring coincides with the opening direction of the mounting groove (130).