CN216692530U

CN216692530U - Pipe joint structure in rigid connection

Info

Publication number: CN216692530U
Application number: CN202220164774.8U
Authority: CN
Inventors: 张跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-07
Anticipated expiration: 2032-01-21

Abstract

The utility model provides a rigid connection's coupling structure, includes fixing base, activity joint and sealed the pad, and the fixing base can be dismantled with the activity joint and be connected, is provided with the mounting groove on the fixing base, and the mounting groove is used for the sealed pad of installation. When the pipe joint structure is used, the sealing gasket is mainly positioned in the mounting groove, so that the adjacent end surfaces of the fixed seat and the movable joint can be in direct contact.

Description

Pipe joint structure in rigid connection

Technical Field

The utility model relates to the technical field of pipeline joints, in particular to a pipe joint structure in rigid connection.

Background

In the prior art, the connection of two steel pipes is generally realized by a pipe joint structure; the pipe joint structure commonly used generally includes two sub-joints, the one end interconnect of two sub-joints, the other end then is connected with the steel pipe respectively, be provided with the gasket between two sub-joints, the gasket is used for improving the leakproofness of junction, avoid revealing of intraductal material, among the prior art, the terminal surface of sub-joint is level and smooth, the gasket directly sets up between the terminal surface of two sub-joints, the terminal surface of two sub-joints can not direct contact like this, but link to each other indirectly through the gasket, but also because the elasticity of gasket material, it is flexible also to make the structure of coupling at the junction, deformation takes place easily. However, in practical life or production application, in some cases, people need to strictly ensure the rigidity strength of the steel pipes after connection, and the existing common flange connection mode cannot meet the requirement. Therefore, the present application aims to provide a rigidly connected pipe joint structure, which can ensure that the connected steel pipe structure has higher strength.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcome the above-mentioned disadvantages of the prior art and to provide a pipe joint structure with rigid connection, which has high structural strength at the joint of the pipes and is not easy to deform.

The technical scheme of the utility model is as follows: the utility model provides a rigid connection's coupling structure, includes fixing base, movable joint and sealed the pad, and the fixing base can be dismantled with the movable joint and be connected, is provided with the mounting groove on the fixing base, and the mounting groove is used for the installation to seal up the pad, and the degree of depth of mounting groove suits with the sealed thickness of filling up for sealed good back of filling up, when guaranteeing sealed effect, makes direct contact between fixing base and the movable joint.

Further, the center of fixing base is equipped with the through-hole, and the one end of fixing base is used for the connecting tube, and the other end is used for being connected with the activity joint, and is preferred, and the fixing base is in with the pipeline welding.

Further, the mounting groove sets up the one end of being connected with movable joint.

Furthermore, the mounting groove is a circular groove hole formed in the end face of the fixing seat.

Furthermore, one end of the fixed seat connected with the movable joint is provided with a first connecting piece.

Furthermore, the movable joint comprises a connecting pipe, and a second connecting piece which is connected with the first connecting piece in a matched mode is arranged on the connecting pipe.

Furthermore, the first connecting piece is an external thread structure on the outer surface of the fixing seat, and the second connecting piece is an external connecting sleeve matched with the external thread structure.

Furthermore, one end of the connecting pipe, which is connected with the fixed seat, is provided with a circle of flange; the diameter of this flange is greater than the diameter of mounting groove, and when the connecting pipe was mated with the fixing base like this, the flange can not get into the mounting groove, but rather with the terminal surface contact of fixing base.

Furthermore, the external sleeve is provided with a step hole, a large-diameter hole in the step hole is provided with an internal thread matched with the first connecting piece, the diameter of the small-diameter hole is larger than the outer diameter of the connecting pipe, and meanwhile, the diameter of the small-diameter hole is smaller than the diameter of the flange, so that after the external sleeve is matched with the external thread structure on the outer surface of the fixing seat, the flange of the connecting pipe is limited in the large-diameter hole of the external sleeve.

Furthermore, the first connecting piece and the second connecting piece can also both adopt flange plates, and the two flange plates are connected in a matched mode through bolts.

Furthermore, the depth of mounting groove is slightly littleer than the thickness of gasket, makes the back of sealed the installation completion, and the gasket is compressed and all is arranged in the mounting groove to make the terminal surface of fixing base and the terminal surface direct contact of connecting pipe, realize the rigid contact.

Furthermore, a chamfer is arranged at the through hole at one end of the fixed seat connected with the pipeline, so that the chamfer is convenient for the insertion and matching of the pipeline and also serves as the function of a welding groove.

Compared with the prior art, the utility model has the following beneficial effects: the pipe joint structure with rigid connection comprises a fixed seat and a movable joint, wherein the end face of the fixed seat is provided with a mounting groove for mounting a sealing gasket. In the existing pipe joint, the fixed seat and the movable joint are indirectly connected through the sealing gasket, and the sealing gasket is made of flexible materials and is easy to deform, so that the joint is easy to deform to cause leakage danger, and the safety of the pipe joint is higher.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is an exploded view of example 1 of the present invention;

in the figure: 1-a fixed seat, 11-a through hole, 12-a mounting groove, 2-a movable joint, 21-a flange, 3-an external sleeve, 4-a sealing gasket and 5-a pipeline.

Detailed Description

The present invention will be described in further detail below with reference to specific examples, wherein methods or features not specifically described are known in the art.

Example 1

As shown in fig. 1-2, the present embodiment is a rigidly connected pipe joint structure, which includes a fixed seat 1, a movable joint 2 and a sealing gasket 4, wherein the fixed seat 1 is detachably connected to the movable joint 2, an installation groove 12 is disposed on the fixed seat 1, and the installation groove 12 is used for installing the sealing gasket 4.

In this embodiment, the center of fixing base 1 is equipped with through-hole 11, and the one end and the pipeline welding of fixing base 1, the other end are connected with movable joint 2. The mounting groove 12 is arranged at one end connected with the movable joint 2, and the mounting groove 12 is a circular groove hole arranged on the end surface of the fixed seat 1. One end of the fixed seat 1 connected with the movable joint 2 is provided with a first connecting piece.

In this embodiment, the movable joint 2 includes a connecting pipe, and a second connecting member for being connected to the first connecting member in a matching manner is disposed on the connecting pipe. The first connecting piece is an external thread structure on the outer surface of the fixed seat 1, and the second connecting piece is an external sleeve 3 matched with the external thread structure. One end of the connecting pipe, which is connected with the fixed seat 1, is provided with a circle of flange 21, and the diameter of the flange 21 is larger than that of the mounting groove 12; the outer connecting sleeve 3 is provided with a step hole, a large-diameter hole in the step hole is provided with an internal thread matched with the first connecting piece, the diameter of a small-diameter hole in the step hole is larger than the outer diameter of the connecting pipe, and meanwhile, the diameter of the small-diameter hole is smaller than the diameter of the flange 21.

The depth of mounting groove 12 is slightly less than the thickness of gasket 4 for after the installation of gasket 4 was accomplished, when guaranteeing sealed effect, the terminal surface of fixing base 1 and the terminal surface direct contact of the connecting pipe of activity joint 2.

In other embodiments, the first connecting member and the second connecting member may be both flanges, and the flanges are connected by bolt fitting.

The pipe joint in this embodiment is suitable for connecting a stainless steel pipe 5, and the specific use method is the same as that of the existing pipe joint.

While the utility model has been described with reference to specific embodiments, it will be appreciated by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a rigid connection's coupling structure, includes fixing base, activity joint and sealed the pad, can dismantle between fixing base and the activity joint and be connected its characterized in that: be provided with the mounting groove on the fixing base, the mounting groove is used for the sealed pad of installation, the degree of depth and the sealed thickness of filling up of mounting groove suit for sealed pad installation is accomplished the back, when guaranteeing sealed effect, makes direct contact between fixing base and the movable joint.

2. The rigidly connected pipe joint construction according to claim 1, wherein: the center of fixing base is equipped with the through-hole, and the one end of fixing base is used for the connecting tube, and the other end is used for being connected with the activity joint.

3. The rigidly connected pipe joint construction according to claim 2, wherein: the mounting groove sets up the one end that is connected with the activity joint on the fixing base.

4. A rigidly connected pipe joint construction according to claim 3, wherein: the mounting groove is a slotted hole formed in the end face of the fixing seat.

5. The rigidly connected pipe joint construction according to claim 4, wherein: and a first connecting piece is arranged at one end of the fixed seat, which is connected with the movable joint.

6. The rigidly connected pipe joint construction according to claim 5, wherein: the movable joint comprises a connecting pipe, and a second connecting piece which is connected with the first connecting piece in a matched mode is arranged on the connecting pipe.

7. The rigidly connected pipe joint construction according to claim 6, wherein: the first connecting piece is an external thread structure on the outer surface of the fixing seat, and the second connecting piece is an external connecting sleeve matched with the external thread structure.

8. The rigidly connected pipe joint construction according to claim 7, wherein: one end of the connecting pipe, which is connected with the fixed seat, is provided with a circle of flange; the diameter of the flange is larger than that of the mounting groove; the external sleeve is provided with a step hole, a large-diameter hole in the step hole is provided with an internal thread matched with the first connecting piece, the diameter of the small-diameter hole is larger than the outer diameter of the connecting pipe, and meanwhile the diameter of the small-diameter hole is smaller than that of the flange.

9. The rigidly connected pipe joint construction according to claim 6, wherein: the first connecting piece and the second connecting piece are both flanges, and the two flanges are connected in a matched mode through bolts.

10. The rigidly connected pipe joint construction according to claim 8, wherein: the degree of depth of mounting groove is less than the thickness of gasket, and sealed installation of filling up is accomplished the back, and sealed the pad can be compressed to realize sealed effect, also make the terminal surface of fixing base and the terminal surface direct contact of the connecting pipe of activity joint simultaneously.