CN216692582U

CN216692582U - Pipeline flange joint

Info

Publication number: CN216692582U
Application number: CN202123427446.7U
Authority: CN
Inventors: 代国彪
Original assignee: Shanghai Xianying Flange Manufacturing Co ltd
Current assignee: Shanghai Xianying Flange Manufacturing Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-07
Anticipated expiration: 2031-12-31

Abstract

The application relates to the technical field of novel machinery, in particular to a pipeline flange joint, which comprises a metal pipeline and a metal connecting pipeline, wherein a fixed flange and a connecting flange are respectively arranged on one opposite side of the metal pipeline and the metal connecting pipeline, and two locking assemblies are arranged between the fixed flange and the connecting flange; locking Assembly includes locking screw and lock nut, locking screw connects on mounting flange and flange, lock nut connects in locking screw's outside, the one end that lock nut was kept away from to locking screw is provided with adjustment handle, one side fixedly connected with of adjustment handle extends to the inside connecting rod of locking screw. This pipeline flange connects, when needs are maintained metal pipeline, only need the antiport adjustment handle to drive locking screw rod antiport, makes locking screw rod break away from mounting flange and connection flange and can dismantle, possesses the advantage of being convenient for installation and dismantlement.

Description

Pipeline flange joint

Technical Field

The application relates to the technical field of novel machinery, in particular to a pipeline flange joint.

Background

The metal pipeline refers to a pipeline made of metal materials, and in actual use, a flange joint is required to be used in connection of the metal pipeline.

With the rapid development of the industry in China, various flanges are produced, and the flanges are widely applied to the connection of metal pipelines at present, but most of the existing flanges are usually fixed through a plurality of locking bolts, so that when the metal pipelines need to be maintained, maintenance personnel are inconvenient to detach and maintain, the maintenance efficiency of the metal pipelines is seriously influenced, the social requirements cannot be met, and the pipeline flange joint is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, this application provides a pipeline flange connects, possesses sealed effectual and be convenient for maintain the grade advantage, has solved the flange and has connected the maintainer of not being convenient for and has dismantled the maintenance, serious influence the maintenance efficiency's of metal pipeline problem.

In order to realize the purposes of good sealing effect and convenient maintenance, the application provides the following technical scheme: a pipeline flange joint comprises a metal pipeline and a metal connecting pipeline, wherein a fixing flange and a connecting flange are respectively arranged on one opposite side of the metal pipeline and one opposite side of the metal connecting pipeline, and two locking assemblies are arranged between the fixing flange and the connecting flange;

locking Assembly includes locking screw and lock nut, locking screw connects on mounting flange and flange, lock nut connects in locking screw's outside, the one end that lock nut was kept away from to locking screw is provided with adjustment handle, one side fixedly connected with of adjustment handle extends to the inside connecting rod of locking screw.

Furthermore, the inner diameters of the metal pipeline and the metal connecting pipeline are the same, and the shapes and the sizes of the fixing flange and the connecting flange are the same.

Furthermore, locking screw is connected with mounting flange and flange threaded connection, connecting rod and locking screw joint.

Furthermore, the fixing flange and the connecting flange are fixedly connected with sealing sleeves on the opposite sides, and the two sealing sleeves are respectively connected to the outer parts of the metal pipeline and the metal connecting pipeline.

Furthermore, the sealing rings are clamped in the two sealing sleeves, the sealing rings are O-shaped sealing rings, and clamping grooves matched with the sealing rings are formed in the sealing sleeves.

Furthermore, the two sides of the sealing sleeve are fixedly connected with fixed lug plates, and the appearance of each fixed lug plate is oval.

Furthermore, the fixed lug plate is connected with a fixed bolt extending to the inside of the fixed flange or the connecting flange through threads.

Furthermore, the outer surface of the adjusting handle is sleeved with a rubber anti-slip sleeve, the connecting rod is a solid cylinder, and a clamping groove matched with the connecting rod is formed in the locking screw rod.

Compared with the prior art, the application provides a pipeline flange connects, possesses following beneficial effect:

1. this pipeline flange joint drives locking screw through connection flange and extends to the mounting flange outside through rotating adjustment handle, and rethread lock nut is further spacing to locking screw, the effectual stability that improves flange joint, when needs are maintained metal pipeline, only needs the reverse rotation adjustment handle to drive locking screw reverse rotation, makes locking screw break away from mounting flange and connection flange and can dismantle promptly, possesses the advantage of being convenient for install and dismantle.

2. This pipeline flange connects, outside through metal pipeline is provided with the seal cover, and metal connecting pipe's outside is provided with the seal cover, the condition that leaks appears in the junction that can effectively avoid mounting flange and flange, the equal joint in inside of two seal covers of rethread has the sealing washer, the condition that leaks appears in the junction that can effectively avoid metal pipeline and metal connecting pipe and seal cover, sealed effectual advantage has been reached, it is not convenient for maintainer to dismantle the maintenance to have solved the flange joint, serious problem that has influenced metal pipeline's maintenance efficiency.

Drawings

FIG. 1 is a cross-sectional view of the present application;

FIG. 2 is a front view of the structure of the present application;

fig. 3 is an enlarged schematic structural diagram of a shown in fig. 1 of the present application.

In the figure: the device comprises a metal pipeline 1, a metal connecting pipeline 2, a fixing flange 3, a connecting flange 4, a locking assembly 5, a sealing sleeve 6, a sealing ring 7, a clamping groove 8, a fixing lug plate 9, a fixing bolt 10, a locking screw rod 11, a locking nut 12, an adjusting handle 13, a connecting rod 14 and a threaded hole 15.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1-2, a pipe flange joint includes a metal pipe 1 and a metal connecting pipe 2, a fixing flange 3 and a connecting flange 4 are respectively disposed at opposite sides of the metal pipe 1 and the metal connecting pipe 2, and two locking assemblies 5 are disposed between the fixing flange 3 and the connecting flange 4.

In this embodiment, the locking assembly 5 includes a locking screw 11 and a locking nut 12, the locking screw 11 is connected to the fixing flange 3 and the connecting flange 4, the locking screw 11 is in threaded connection with the fixing flange 3 and the connecting flange 4, the locking nut 12 is connected to the outside of the locking screw 11, the locking nut 12 is in threaded connection with the locking screw 11, the fixing flange 3 and the connecting flange 4 are both provided with a threaded hole 15 adapted to the locking screw 11, one end of the locking screw 11 away from the locking nut 12 is provided with an adjusting handle 13, the outer surface of the adjusting handle 13 is sleeved with a rubber anti-slip sleeve, one side of the adjusting handle 13 is fixedly connected with a connecting rod 14 extending into the locking screw 11, the connecting rod 14 is clamped with the locking screw 11, the connecting rod 14 is a solid cylinder, the inside of the locking screw 11 is provided with a clamping groove adapted to the connecting rod 14, drive locking screw 11 through connection flange 4 and extend to mounting flange 3 outside through rotating adjustment handle 13, rethread lock nut 12 is further spacing to locking screw 11, the effectual stability that improves flange joint connects, when needs are maintained metal pipeline, only need the antiport adjustment handle 13 to drive locking screw 11 antiport, make locking screw 11 break away from mounting flange 3 and flange 4 and can dismantle, possess the advantage of being convenient for installation and dismantlement.

The metal pipe 1 and the metal connection pipe 2 have the same inner diameter, and the fixing flange 3 and the connection flange 4 have the same shape and size.

Referring to fig. 1-3, in order to improve the sealing performance of the metal pipeline, in this embodiment, sealing sleeves 6 are fixedly connected to the sides of the fixing flange 3 and the connecting flange 4, sealing rings 7 are clamped inside the two sealing sleeves 6, the sealing sleeves 6 are arranged outside the metal pipeline 1, the sealing sleeves 6 are arranged outside the metal connecting pipeline 2, the two sealing sleeves 6 are respectively connected to the outside of the metal pipeline 1 and the outside of the metal connecting pipeline 2, so as to effectively avoid the water leakage at the joint of the fixing flange 3 and the connecting flange 4, and the sealing rings 7 are clamped inside the two sealing sleeves 6, so as to effectively avoid the water leakage at the joint of the metal pipeline 1 and the metal connecting pipeline 2 with the sealing sleeves 6, thereby achieving the advantage of good sealing effect.

It should be noted that, two sealing sleeves 6 are respectively welded to the metal pipe 1 and the metal pipe 2, and the sealing ring 7 may be an O-ring.

Referring to fig. 1 or fig. 3, in order to facilitate the installation of the sealing assembly, in this embodiment, a clamping groove 8 adapted to the sealing ring 7 is formed in the sealing sleeve 6, two sides of the sealing sleeve 7 are both fixedly connected with fixing ear plates 9, and the fixing ear plates 9 are in threaded connection with fixing bolts 10 extending to the inside of the fixing flange 3 or the connecting flange 4.

It should be noted that the fixing flange 3 and the connecting flange 4 are both internally provided with threads adapted to the fixing bolts 10.

The working principle of the above embodiment is as follows:

this pipeline flange connects, it runs through flange 4 and extends to mounting flange 3 outsidely to drive locking screw 11 through rotating adjustment handle 13, rethread lock nut 12 is further spacing to locking screw 11, the effectual stability that improves flange joint connects, when needs are maintained metal pipeline, only need the antiport adjustment handle 13 to drive 11 antiport of locking screw, make locking screw 11 break away from mounting flange 3 and flange 4 and can dismantle, possess the installation and the advantage of dismantling of being convenient for.

This pipe flange connects, outside through metal pipeline 1 is provided with seal cover 6, and the outside of metal connecting pipe 2 is provided with seal cover 6, the condition that leaks appears in the junction that can effectively avoid mounting flange 3 and flange 4, the equal joint in inside of two seal covers 6 of rethread has sealing washer 7, the condition that leaks appears in the junction that can effectively avoid metal pipeline 1 and metal connecting pipe 2 and seal cover 6, sealed effectual advantage has been reached, it is not convenient for maintainer to dismantle the maintenance to have solved the flange joint, serious influence the problem of metal pipeline's maintenance efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pipe flange joint comprises a metal pipe (1) and a metal connecting pipe (2), and is characterized in that: a fixed flange (3) and a connecting flange (4) are respectively arranged on the opposite sides of the metal pipeline (1) and the metal connecting pipeline (2), and two locking assemblies (5) are arranged between the fixed flange (3) and the connecting flange (4);

locking Assembly (5) are including locking screw (11) and lock nut (12), locking screw (11) are connected on mounting flange (3) and flange (4), lock nut (12) are connected in the outside of locking screw (11), the one end that lock nut (12) were kept away from in locking screw (11) is provided with adjustment handle (13), one side fixedly connected with of adjustment handle (13) extends to connecting rod (14) of locking screw (11) inside.

2. The pipe flange joint of claim 1, wherein: the inner diameters of the metal pipeline (1) and the metal connecting pipeline (2) are the same, and the shapes and the sizes of the fixing flange (3) and the connecting flange (4) are the same.

3. The pipe flange joint of claim 1, wherein: locking screw (11) and mounting flange (3) and flange (4) threaded connection, connecting rod (14) and locking screw (11) joint.

4. The pipe flange joint of claim 1, wherein: the sealing device is characterized in that sealing sleeves (6) are fixedly connected to one sides, away from each other, of the fixing flange (3) and the connecting flange (4), and the two sealing sleeves (6) are respectively connected to the outer portions of the metal pipeline (1) and the metal connecting pipeline (2).

5. The pipe flange joint of claim 4, wherein: the sealing device is characterized in that sealing rings (7) are clamped in the sealing sleeves (6), the sealing rings (7) are O-shaped sealing rings, and clamping grooves (8) matched with the sealing rings (7) are formed in the sealing sleeves (6).

6. The pipe flange joint of claim 4, wherein: the two sides of the sealing sleeve (6) are fixedly connected with fixed ear plates (9), and the fixed ear plates (9) are oval in shape.

7. The pipe flange joint of claim 6, wherein: and the fixed lug plate (9) is in threaded connection with a fixed bolt (10) extending to the inside of the fixed flange (3) or the connecting flange (4).

8. The pipe flange joint of claim 1, wherein: the outer surface of the adjusting handle (13) is sleeved with a rubber anti-slip sleeve, the connecting rod (14) is a solid cylinder, and a clamping groove matched with the connecting rod (14) is formed in the locking screw rod (11).