CN218914078U

CN218914078U - Flange pipe fitting

Info

Publication number: CN218914078U
Application number: CN202222046927.1U
Authority: CN
Inventors: 李卫峰; 张爱华
Original assignee: Qingdao Qingge Technology Engineering Co ltd
Current assignee: Qingdao Qingge Technology Engineering Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-04-25
Anticipated expiration: 2032-08-05

Abstract

The utility model provides a flange pipe fitting, includes ring flange, flange connection piece, consolidates rib, O type seal groove, clamp fender post, recess, tooth mouth, widens U-shaped strip gasket, flange bolt hole, flange connection piece bolt hole, bolt, the flange pipe fitting is used in pairs, is butted from top to bottom, and is fixed through bolted connection.

Description

Flange pipe fitting

Technical Field

The utility model relates to the technical field of flange connection, in particular to a flange pipe fitting.

Background

Flanges, also known as flange collars or lugs. The flange is used for connecting pipe ends, and the flange connection or the flange joint refers to detachable connection which is formed by connecting the flange, the gasket and the bolts mutually and is used as a group of combined sealing structures. The flanges are provided with holes, and the two flanges are tightly connected by bolts. The flanges are sealed by gaskets. The flanges are used in pairs, and sealing gaskets are arranged between the two flange plates and then are fastened by bolts. The flanges at different pressures are different in thickness and the bolts used for them are also different. In the installation and use process of the pipeline, due to the structure of the flange pipe fitting and the state during use, the following problems exist in the actual use process:

(1) Because the structures such as the pipeline flange valves and the pipelines are connected with each other by flanges, after the pipelines are constructed according to the drawing, various structures such as the flange valves can be added due to the actual use requirements, and the structures such as the flange valves are difficult to be added in the traditional connection mode, for example, the structures such as the flange valves can be installed only by installing the threading flanges after threading the pipelines on two sides during threaded connection; when the clamp connection is carried out, the clamp flange is installed after the pipe ports on two sides are pressed, and various flange valves and other structures can be installed; when in socket connection, the structures such as various valves can be installed only after the traditional socket flange pipe fittings are added on the two sides of the pipeline; because the pipeline is installed and fixed, whether the pipeline is laid in an overhead manner, laid in a wall body or laid underground, because the operation space is limited, the construction difficulty is high, the labor cost is increased, and the time cost is increased, whether the pipeline port is formed by threading, pressing a groove, welding or adding the traditional bell and spigot flange pipe fitting.

(2) The existing split flange lacks the device limiting two semi-rings when in use, so that the firmness of the two semi-rings can be reduced when the two semi-rings are assembled, the two semi-rings are simply spliced when being assembled, the structural strength of the split flange is low, the structural centers of the flange valves and the like are easily not on the same axis due to the fact that the structures of the flange valves and the like are subjected to self gravity, accidental collision and the like, the tightness of the structures of the pipeline and the flange valves and the like is affected, and leakage phenomenon occurs.

Disclosure of Invention

In order to solve the above problems, the present utility model provides a flanged pipe fitting, and an object thereof is to provide a new installation method by changing the structural form of the flanged pipe fitting.

The utility model is realized by adopting the following technical scheme to solve the technical problems: the flange pipe fitting comprises a flange plate, a flange connecting piece, reinforcing ribs, an O-shaped sealing groove, a clamp baffle column, a groove, a tooth mouth, a widened U-shaped strip gasket, a flange bolt hole, a flange connecting piece bolt hole and a bolt, wherein the flange pipe fitting is used in pairs, butted up and down and fixed through the bolt connection; wherein:

the flange pipe fitting includes ring flange, flange connection piece, consolidates the rib, clamp fender post, recess, tooth mouth, widen U type strip gasket, flange bolt hole, flange connection piece bolt hole, the recess is seted up along the axial to flange connection piece one side terminal surface, and the opposite side section is equipped with the tooth mouth, the flange pipe fitting is used in pairs, is butt joint from top to bottom, one flange connection piece one side's recess of flange pipe fitting corresponds with another flange connection piece one side's tooth mouth of flange pipe fitting, two the cooperation is used in the middle of the flange connection piece widens U type sealing washer, passes through by the bolt flange connection piece bolt hole carries out fixed connection, flange connection piece tip has consolidates the rib, has O type seal groove in, cooperates O type sealing washer to use, thereby makes flange pipe fitting and pipeline in close contact, avoids the seepage.

As a preferable technical scheme of the utility model, the flange pipe fitting comprises a clamp baffle column, and the flange pipe fitting is tightly contacted with a pipeline through the interaction of the clamp baffle column and the U-shaped sealing ring; if the connection is groove connection, the clamp baffle column is matched with the U-shaped sealing ring, and the clamp baffle column is fixedly connected with the groove of the pipeline after being aligned; if other connection modes are adopted, the transverse displacement of various flange valves and other structures caused by fluid impact can be avoided through the interaction between the clamp baffle column and the U-shaped sealing ring and the pipeline port.

As a preferable technical scheme of the utility model, the flange pipe fitting comprises a flange connecting sheet, the flange connecting sheet is relatively long, the contact area of the flange pipe fitting and the connection of the pipeline is increased, the unstable displacement of structures such as various flange valves and the like and the pipeline is reduced, and the integral firmness of the flange valves and the pipeline is enhanced.

The utility model adopts a structure form of paired use and up-down butt joint, thereby the following beneficial effects can be obtained:

1. the flange pipe fitting provided by the utility model is convenient for the installation of various flange valves and other structures through the structure modes of paired use and up-down butt joint, and particularly, because of the actual use requirement, various flange valves and other structures are required to be added in the constructed pipeline.

2. According to the flange pipe fitting, through the structure modes of paired use and up-down butt joint, the positions of various flange valves and other structures are adjusted when the flange pipe fitting is convenient to install, the centers of the various flange valves and other structures are located on the same axis with the center of a pipeline, friction force generated by improper installation of the various flange valves and other structures in the opening and closing process when the flange pipe fitting is used is reduced, abrasion of the various flange valves and other structures is reduced, and the service life of the various flange valves and other structures is prolonged. The contact area of the connection of the flange pipe fitting and the pipeline is increased, the unstable displacement of structures such as various flange valves and the pipeline is reduced, and the integral firmness of the flange valves and the pipeline is enhanced.

Drawings

FIG. 1 is a front view of the utility model in use in pairs;

FIG. 2 is a side view of the utility model in use in pairs;

FIG. 3 is a front view of the present utility model;

FIG. 4 is a side view of the present utility model;

fig. 5 is a plan view of the present utility model.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, but not limiting of the present utility model. In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "coupled," "connected," "embedded," "plugged," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; either directly or indirectly, through intermediaries, or by communication between two parts or interaction between two parts, unless explicitly defined otherwise. 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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a flange pipe fitting comprises a flange plate (1), a flange connecting sheet (3), reinforcing ribs (3-1), an O-shaped sealing groove (9), a clamp baffle column (4), a groove (8), a tooth opening (7), a widened U-shaped strip gasket (5), a flange bolt hole (2), a flange connecting sheet bolt hole (3-2) and a bolt (6), wherein the flange pipe fitting is used in pairs; wherein:

the flange pipe fitting comprises a flange plate (1), a flange connecting piece (3), a reinforcing rib (3-1), a clamp baffle column (4), a groove (8), a tooth opening (7), a widened U-shaped strip gasket (5), a flange bolt hole (2) and a flange connecting piece bolt hole (3-2), wherein the groove (8) is formed in the end face of one side of the flange connecting piece (3) along the axial direction, and the tooth opening (7) is formed in the section of the other side of the flange connecting piece; the flange pipe fittings are used in pairs, a groove (8) on one side of a flange connecting sheet (3) of one flange pipe fitting corresponds to a tooth opening (7) on one side of the flange connecting sheet (3) of the other flange pipe fitting, a widened U-shaped sealing gasket (5) is matched in the middle of the flange connecting sheets (3) of the two flange pipe fittings, bolts (6) are used for fixedly connecting the flange connecting sheets through the flange connecting sheet bolt holes (3-2), reinforcing ribs (3-1) are arranged at the end parts of the flange connecting sheets (3), an O-shaped sealing groove (9) is arranged in the flange connecting sheets, and the O-shaped sealing groove is matched with the O-shaped sealing ring for use, so that the flange pipe fittings are in tight contact with a pipeline, and leakage is avoided.

The flange pipe fitting comprises a clamp baffle column (4), and the flange pipe fitting is tightly contacted with a pipeline through the interaction of the clamp baffle column (4) and the U-shaped sealing ring; if the connection is groove connection, the clamp baffle column (4) can be matched with a U-shaped sealing ring to be fixedly connected with the groove alignment of the pipeline; if other connection modes are adopted, the transverse displacement of structures such as various flange valves and the like caused by fluid impact can be avoided through the interaction between the clamp baffle column (4) and the U-shaped sealing ring and the pipeline port.

The flange pipe fitting comprises a flange connecting sheet (3), the flange connecting sheet (3) is longer, the contact area of the flange pipe fitting connected with a pipeline is increased, unstable displacement of structures such as various flange valves and the like and the pipeline is reduced, and the integral firmness of the flange valves and the pipeline is enhanced. .

When the flange pipe fitting is particularly operated, one flange pipe fitting is firstly arranged in an O-shaped sealing groove (9) of the flange pipe fitting by using an O-shaped sealing ring, the O-shaped sealing ring is sleeved on a pipeline, the U-shaped sealing ring is arranged on a clamp baffle post (4), if the U-shaped sealing ring is connected by a groove, the clamp baffle post (4) provided with the U-shaped sealing ring is aligned with the groove of the pipeline and then is temporarily fixed on the pipeline, and after the other flange pipe fitting is symmetrically arranged, the flange pipe fitting is fixedly connected by using bolts (6) through flange connecting piece bolt holes (3-2); if other connection modes are adopted, the clamp baffle column (4) provided with the U-shaped sealing ring can be propped against a pipeline port, and the flange connection piece bolt holes (3-2) are fixedly connected through bolts (6).

The above examples merely represent a few embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the present utility model. Embodiments of the utility model and features of the embodiments may be combined with each other without conflict. In other instances, well known process steps have not been described in detail. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. A flanged pipe fitting, characterized in that: the utility model provides a flange pipe fitting, includes ring flange, flange connection piece, consolidates rib, O type seal groove, clamp fender post, recess, tooth mouth, widens U-shaped strip gasket, flange bolt hole, flange connection piece bolt hole, bolt, the flange pipe fitting is used in pairs, is butted from top to bottom, and is fixed through bolted connection.

2. A flanged pipe fitting according to claim 1, characterized in that: the flange pipe fitting comprises a flange plate (1), a flange connecting piece (3), a reinforcing rib (3-1), a clamp baffle column (4), a groove (8), a tooth opening (7), a widened U-shaped strip gasket (5), a flange bolt hole (2) and a flange connecting piece bolt hole (3-2), wherein the groove (8) is formed in the end face of one side of the flange connecting piece (3) along the axial direction, and the tooth opening (7) is formed in the section of the other side of the flange connecting piece; the flange pipe fittings are used in pairs, a groove (8) on one side of a flange connecting sheet (3) of one flange pipe fitting corresponds to a tooth opening (7) on one side of the flange connecting sheet (3) of the other flange pipe fitting, a widened U-shaped strip gasket (5) is matched in the middle of the flange connecting sheet (3) of the two flange pipe fittings, bolts (6) are used for fixedly connecting the flange connecting sheet with the flange connecting sheet through bolt holes (3-2), reinforcing ribs (3-1) are arranged at the end parts of the flange connecting sheets (3), O-shaped sealing grooves (9) are arranged in the flange connecting sheets, and the O-shaped sealing grooves are matched for use, so that the flange pipe fittings are in tight contact with a pipeline, and leakage is avoided.

3. A flanged pipe fitting according to claim 1, characterized in that: the flange pipe fitting comprises a clamp baffle column (4), and the flange pipe fitting is tightly contacted with a pipeline through the interaction of the clamp baffle column (4) and the U-shaped sealing ring; if the flange valve is connected through the groove, the clamp baffle column (4) is matched with the U-shaped sealing ring, and is fixedly connected with the groove of the pipeline after being aligned, so that the flange valve structure is prevented from generating transverse displacement due to fluid impact.

4. A flanged pipe fitting according to claim 1, characterized in that: the flange pipe fitting comprises a flange connecting sheet (3), the flange connecting sheet (3) is longer, the contact area of the connection of the flange pipe fitting and a pipeline is increased, and the unstable displacement of the flange valve structure and the pipeline is reduced.