CN111828747A

CN111828747A - Pipeline flange

Info

Publication number: CN111828747A
Application number: CN202010708152.2A
Authority: CN
Inventors: 陈之现; 马敬磊; 张海英
Original assignee: Ningbo Intelligent Machinery Co ltd
Current assignee: Jinan Jiade Forging Co.,Ltd.
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-10-27
Anticipated expiration: 2040-07-22
Also published as: CN111828747B

Abstract

The invention discloses a pipeline flange which comprises a left connecting pipe, a right connecting pipe, a left flange and a right flange body, wherein an annular slot is formed in the right end of the left flange; the inner side wall of the annular slot is provided with an annular locking groove; a first annular groove is formed in the right end of the right flange body, a plurality of radial grooves are formed in the left end of the first annular groove, and a locking block is connected in each radial groove in a sliding mode; a power ring for driving the plurality of locking blocks to move is rotatably connected in the first ring groove, and an annular end cover for preventing the power ring from being separated from the first ring groove is fixedly installed at the right end of the first ring groove; a power assembly for driving the power ring to rotate is arranged in the first ring groove; the pipeline flange is simple in structure and can be connected quickly.

Description

Pipeline flange

Technical Field

The invention belongs to the technical field of pipeline connecting devices, and particularly relates to a pipeline flange.

Background

Flanges, also known as flanges or lugs, are parts that interconnect pipes to tubes. The flange is provided with holes for receiving bolts, and usually, a plurality of fixing holes are formed on the periphery of a metal body similar to a disc for connecting other things. The existing flange connection is that two pipelines, pipe fittings or equipment are respectively fixed on a flange plate, a flange pad is added between the two flange plates and the two flange plates are fastened together by bolts to complete the connection. Flange connection is the important connected mode of pipeline construction, and flange connection convenient to use can bear great pressure, and in industrial pipeline, flange connection's use is very extensive, but ordinary flange mounting or dismantlement in-process need the installation or the dismantlement of bolt needs one, and is more time-consuming and energy-consuming, and this has just greatly reduced engineering efficiency, has wasted manpower and materials, has dragged the construction progress slowly.

Disclosure of Invention

The invention aims to provide a pipeline flange which is simple in structure and capable of achieving quick connection.

In order to achieve the purpose, the invention provides the following technical scheme:

a pipeline flange comprises a left connecting pipe, a right connecting pipe, a left flange and a right flange body, wherein an annular slot is formed in the right end of the left flange, an annular bulge used for being inserted into the annular slot is formed in the left end of the right flange body, an installation groove is formed in the side wall of an inner hole of the right flange body, a left convex edge connected into the installation groove in a sliding mode is formed in the right end of the left connecting pipe in the radial direction, and a right convex edge connected into the installation groove in a sliding mode is formed in the left end of the right connecting pipe in the radial; the inner side wall of the annular slot is provided with an annular locking groove; the right end of the right flange body is provided with a first annular groove, the left end of the first annular groove is uniformly provided with a plurality of radial grooves communicated with the outer side of the circumference of the annular bulge at intervals along the circumferential direction, and a locking block is connected in each radial groove in a sliding manner; a power ring for driving the plurality of locking blocks to move is rotatably connected in the first ring groove, and an annular end cover for preventing the power ring from being separated from the first ring groove is fixedly installed at the right end of the first ring groove; a power assembly for driving the power ring to rotate is arranged in the first ring groove; when the pipeline flange joint, the annular arch inserts in the annular slot, and left connecting pipe is installed in the hole of left flange, and the hole at right flange is installed to right connecting pipe, left side chimb and right chimb are located between the right-hand member of left flange and mounting groove, and the power ring rotates and drives the telecentric end of a plurality of locking pieces and stretches into annular locked groove from radial groove.

Furthermore, a plurality of chutes which correspond to the locking blocks one to one are uniformly arranged in the power ring at intervals along the circumferential direction, and each locking block is provided with a first pin which is used for extending into each chute.

Furthermore, the side wall of the annular locking groove is provided with a first inclined surface, the far center end of each locking block is provided with a second inclined surface, and when the locking block extends into the locking groove, the left flange moves rightwards under the action of the first inclined surface and the second inclined surface.

Further, power component includes threaded rod and power piece, the lateral wall of first annular is equipped with the spout along tangential direction, power piece sliding connection is in the spout, the threaded rod is originally internal at right flange along power piece sliding direction threaded connection, the right-hand member of threaded rod stretches into the spout and rotates with the left end of power piece and be connected, the threaded rod is used for driving the power piece and slides along the spout, along radially being equipped with the power groove in the power piece, be equipped with the second round pin post that stretches into the power groove on the power ring, when the power piece slides, drive the power ring through the second round pin post that is located the power groove and rotate.

Furthermore, both sides of each radial groove are provided with limit grooves, and both sides of each locking block are provided with lugs connected in the limit grooves in a sliding manner.

Furthermore, the left side of the annular end cover extends leftwards to be provided with a convex ring, and the left end of the convex ring is abutted against the right end face of the power ring.

Advantageous effects

Compared with the prior art, the technical scheme of the invention has the following advantages:

in the use process of the invention, the annular bulge is inserted into the annular slot, the left connecting pipe is arranged in the inner hole of the left flange, the right connecting pipe is arranged in the inner hole of the right flange, the left convex edge and the right convex edge are positioned between the left flange and the right end of the mounting groove, the power ring can be controlled to rotate only by rotating a threaded rod, and then a plurality of locking blocks are driven to synchronously move towards the annular locking groove of the left flange, and under the action of the first inclined plane and the first inclined plane, the left flange is tightly pressed on the right flange body, so that the left flange and the right flange body are tightly locked together, and the installation is rapid and convenient; when the screw rod needs to be disassembled, the screw rod only needs to be rotated reversely.

Drawings

FIG. 1 is a cross-sectional view of the present invention with the left and right flange bodies in a locked condition;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view of the present invention with the left and right flange bodies in an unlocked state;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a cross-sectional view of the left flange of the present invention;

FIG. 6 is a cross-sectional view of the right flange body of the present invention;

FIG. 7 is a schematic three-dimensional structure of a locking piece according to the present invention;

FIG. 8 is a front view of the power ring of the present invention.

Detailed Description

Referring to fig. 1-8, a pipeline flange includes a left connecting pipe 001, a right connecting pipe 002, a left flange 1, and a right flange body 2, wherein the right end of the left flange 1 is provided with an annular slot 12, the left end of the right flange body 2 is provided with an annular protrusion 2a for being inserted into the annular slot 12, the inner hole side wall of the right flange body 2 is provided with an installation groove 21, the right end of the left connecting pipe 001 is provided with a left convex edge 001a which is slidably connected in the installation groove 21 along the radial direction, and the left end of the right connecting pipe 002 is provided with a right convex edge 002a which is slidably connected in the installation groove 21 along the radial direction; the inner side wall of the annular slot 12 is provided with an annular locking groove 11; the right-hand member of right flange body 2 is equipped with first annular 2c, the left end of first annular 2c is equipped with three radial groove 2d with the protruding 2a circumference outside intercommunication of annular evenly along the circumferencial direction interval, and equal sliding connection has locking piece 23 in every radial groove 2d, and the both sides of every radial groove 2d all are equipped with spacing groove 2e, and the both sides of every locking piece 23 all are equipped with lug 231 of sliding connection in spacing groove 2 e.

A power ring 24 for driving the three locking blocks 23 to move is rotatably connected in the first ring groove 2c, an annular end cover 3 for preventing the power ring 24 from being separated from the first ring groove 2c is fixedly installed at the right end of the first ring groove 2c, a convex ring 31 extends leftwards from the left side of the annular end cover 3, and the left end of the convex ring 31 abuts against the right end face of the power ring 24; a power assembly for driving the power ring 24 to rotate is arranged in the first annular groove 2 c; when the pipeline flange connects, annular arch 2a inserts in annular slot 12, and left connecting pipe 001 is installed in the hole of left flange 1, and right connecting pipe 002 is installed in the hole of right flange, left side chimb 001a and right chimb 002a are located between the right-hand member of left flange 1 and mounting groove 21, and power ring 24 rotates and drives the telecentric end of three locking piece 23 and stretches into annular locked groove 11 from radial groove 2 d.

Three inclined grooves 241 which correspond to the locking blocks 23 one to one are uniformly arranged in the power ring 24 at intervals along the circumferential direction, and each locking block 23 is provided with a first pin 25 which is used for extending into the inclined groove 241. The side wall of the annular locking groove 11 is provided with a first inclined surface 111, the far end of each locking block 23 is provided with a second inclined surface 232, and when the locking block 23 extends into the locking groove, the left flange 1 moves rightwards under the action of the first inclined surface 111 and the second inclined surfaces 232.

Power component includes threaded rod 28 and power block 27, the lateral wall of first annular 2c is equipped with spout 2f along tangential direction, power block 27 sliding connection is in spout 2f, threaded rod 28 is along power block 27 slip direction threaded connection in right flange body 2, threaded rod 28's right-hand member stretches into spout 2f and rotates with power block 27's left end and is connected, threaded rod 28 is used for driving power block 27 and slides along spout 2f, radially be equipped with power groove 27a in the power block 27, be equipped with the second round pin post 26 that stretches into in power groove 27a on the power ring 24, when power block 27 slides, drive power ring 24 through the second round pin post 26 that is located power groove 27a and rotate.

When the invention works, as shown in figure 3, firstly the annular bulge 2a is inserted into the annular slot 12, the left connecting pipe 001 is arranged in the inner hole of the left flange 1, the right connecting pipe 002 is arranged in the inner hole of the right flange, and the left convex edge 001a and the right convex edge 002a are positioned between the left flange 1 and the right end of the mounting groove 21, then the threaded rod 28 is rotated, the threaded rod 28 drives the power block 27 to move leftwards along the sliding groove 2f when rotating, the power block 27 drives the power ring 24 to rotate through the matching of the second pin 26 and the power groove 27a, the power ring 24 drives the far-end of the three locking blocks 23 to extend into the annular locking groove 11 along the radial groove through the matching of the inclined groove 241 and the first pin 25 when rotating, due to the matching of the first inclined plane 111 and the second inclined plane 232, the left flange 1 and the right flange body 2 are close to each other, thereby compressing the left convex edge 001a and the right convex edge 002a to complete the butt joint of the pipeline flanges.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A pipeline flange comprises a left connecting pipe, a right connecting pipe, a left flange and a right flange body, and is characterized in that an annular slot is formed in the right end of the left flange, an annular bulge used for being inserted into the annular slot is formed in the left end of the right flange body, an installation groove is formed in the side wall of an inner hole of the right flange body, a left convex edge connected into the installation groove in a sliding mode is arranged at the right end of the left connecting pipe in the radial direction, and a right convex edge connected into the installation groove in a sliding mode is arranged at the left end of the right connecting pipe in the radial; the inner side wall of the annular slot is provided with an annular locking groove; the right end of the right flange body is provided with a first annular groove, the left end of the first annular groove is uniformly provided with a plurality of radial grooves communicated with the outer side of the circumference of the annular bulge at intervals along the circumferential direction, and a locking block is connected in each radial groove in a sliding manner; a power ring for driving the plurality of locking blocks to move is rotatably connected in the first ring groove, and an annular end cover for preventing the power ring from being separated from the first ring groove is fixedly installed at the right end of the first ring groove; a power assembly for driving the power ring to rotate is arranged in the first ring groove; when the pipeline flange joint, the annular arch inserts in the annular slot, and left connecting pipe is installed in the hole of left flange, and the hole at right flange is installed to right connecting pipe, left side chimb and right chimb are located between the right-hand member of left flange and mounting groove, and the power ring rotates and drives the telecentric end of a plurality of locking pieces and stretches into annular locked groove from radial groove.

2. The pipe flange according to claim 1, wherein a plurality of inclined grooves are uniformly formed in the power ring at intervals in the circumferential direction, the inclined grooves corresponding to the locking pieces one by one, and each locking piece is provided with a first pin extending into the inclined groove.

3. The pipe flange of claim 1, wherein the annular locking groove has a first inclined surface on a sidewall thereof, and each locking piece has a second inclined surface on a distal end thereof, such that the left flange moves to the right by the first and second inclined surfaces when the locking piece is inserted into the locking groove.

4. The pipe flange of claim 1, wherein the power assembly comprises a threaded rod and a power block, the side wall of the first ring groove is provided with a sliding groove along a tangential direction, the power block is slidably connected in the sliding groove, the threaded rod is in threaded connection with the right flange body along the sliding direction of the power block, the right end of the threaded rod extends into the sliding groove and is rotatably connected with the left end of the power block, the threaded rod is used for driving the power block to slide along the sliding groove, a power groove is radially arranged in the power block, a second pin extending into the power groove is arranged on the power ring, and when the power block slides, the power ring is driven to rotate by the second pin located in the power groove.

5. The pipe flange of claim 1, wherein each radial groove is provided with a limiting groove on both sides thereof, and each locking piece is provided with a protrusion slidably connected in the limiting groove on both sides thereof.

6. The pipe flange of claim 1, wherein a protruding ring extends leftwards from the left side of the annular end cover, and the left end of the protruding ring abuts against the right end face of the power ring.