阅读说明：本技术 一种管道快速连接法兰及管道快速连接方法 (Pipeline quick connecting flange and pipeline quick connecting method ) 是由 苏道飞 郭君栋 周景玲 于 2020-07-20 设计创作，主要内容包括：本发明公开了一种管道快速连接法兰及管道快速连接方法,所述管道快速连接法兰,包括第一法兰和第二法兰,所述第一法兰可拆卸地固定安装在第二法兰上；左一筒体和左二筒体之间形成左插接槽,右筒体内设有右端开口的右插接槽；所述第二法兰的内孔侧壁设有齿圈,所述齿圈内设有传动筒；所述传动筒的右端设有右锥体,所述传动筒的左端螺纹连接有左锥体；所述左一筒体设有左定位杆和左弹簧,所述右筒体设有右定位杆和右弹簧；所述左插接槽内设有左连接管,所述左连接管上设有左定位孔,所述右插接槽内设有右连接管,所述右连接管上设有右定位孔；所述第二法兰内设有动力组件；该管道快速连接法兰不仅结构简单,而且连接可靠。(The invention discloses a pipeline quick connecting flange and a pipeline quick connecting method, wherein the pipeline quick connecting flange comprises a first flange and a second flange, and the first flange is detachably and fixedly arranged on the second flange; a left inserting groove is formed between the left first barrel and the left second barrel, and a right inserting groove with an opening at the right end is arranged in the right barrel; a gear ring is arranged on the side wall of an inner hole of the second flange, and a transmission cylinder is arranged in the gear ring; the right end of the transmission cylinder is provided with a right cone, and the left end of the transmission cylinder is in threaded connection with a left cone; the left barrel is provided with a left positioning rod and a left spring, and the right barrel is provided with a right positioning rod and a right spring; a left connecting pipe is arranged in the left inserting groove, a left positioning hole is formed in the left connecting pipe, a right connecting pipe is arranged in the right inserting groove, and a right positioning hole is formed in the right connecting pipe; a power assembly is arranged in the second flange; the quick connecting flange for the pipeline is simple in structure and reliable in connection.)

1. A pipeline quick connecting flange comprises a first flange and a second flange, wherein the first flange is detachably and fixedly arranged on the second flange; the left end of the second flange extends leftwards to form a left cylinder, and the right end of the second flange extends rightwards to form a right cylinder; the left end of the first flange extends leftwards to be provided with a left second cylinder body sleeved outside the left first cylinder body, a left inserting groove is formed between the left first cylinder body and the left second cylinder body, and a right inserting groove with an opening at the right end is formed in the right cylinder body; the side wall of an inner hole of the second flange is provided with an inward extending convex edge, the left side of the convex edge is rotatably connected with a gear ring, a transmission cylinder is arranged in the gear ring, and the transmission cylinder and the gear ring are fixedly connected in the circumferential direction of the gear ring and are in sliding connection in the axial direction of the gear ring; a right cone is arranged on the outer side of the right end of the transmission cylinder, a left cone is in threaded connection with the left end of the transmission cylinder, and the left cone and the left cylinder are fixedly connected in the circumferential direction of the left cylinder and are in sliding connection in the axial direction of the left cylinder; the side wall of the left barrel is connected with a left positioning rod in a sliding mode along the radial direction, the left positioning rod is sleeved with a left spring used for forcing the proximal end of the left positioning rod to be tightly pressed on the left cone, the side wall of the right barrel is connected with a right positioning rod in a sliding mode along the radial direction, and the right positioning rod is sleeved with a right spring used for forcing the proximal end of the right positioning rod to be tightly pressed on the right cone; a left connecting pipe is inserted in the left inserting groove, a left positioning hole matched with the left positioning rod is arranged on the left connecting pipe, a right connecting pipe is inserted in the right inserting groove, and a right positioning hole matched with the right positioning rod is arranged on the right connecting pipe; when the gear ring rotates, the left cone and the right cone do reverse motion, when the left cone and the right cone move oppositely, the left cone pushes the left positioning rod to be inserted into the left positioning hole, and the right cone pushes the right positioning rod to be inserted into the right positioning hole; when the left cone and the right cone move back to back, the left positioning rod leaves the left positioning hole under the action of the left spring, and the right positioning rod leaves the right positioning hole under the action of the right spring; and a power assembly for driving the gear ring to rotate is arranged in the second flange.

2. The pipeline quick connecting flange as claimed in claim 1, wherein a convex ring is arranged on the left side of the convex edge, an annular groove into which the convex ring extends is arranged on the right end face of the gear ring, a snap spring is arranged on the left side of the gear ring on the inner side wall of the left barrel, and a gasket is arranged between the snap spring and the left end of the gear ring.

3. The pipe quick connecting flange according to claim 1, wherein a first limiting groove is formed in a side wall of the inner hole of the gear ring, and a first limiting block slidably connected in the first limiting groove is fixedly mounted on an outer side of the transmission cylinder.

4. The pipeline quick connecting flange as claimed in claim 1, wherein a second limiting groove is axially formed in the side wall of the inner hole at the left end of the left barrel, and a second limiting block slidably connected in the second limiting groove is fixedly mounted on the outer side of the left cone.

5. The pipeline quick connecting flange as recited in claim 1, wherein the power assembly comprises a first rotating shaft, a second rotating shaft, a first gear and a second gear, the left end of the second flange is provided with an installation groove, the side wall of the left barrel is provided with a notch communicated with the installation, the first rotating shaft is rotatably connected in the second flange along the axial direction of the second flange, the left end of the first rotating shaft extends into the installation groove, and the right end of the first rotating shaft extends out of the second flange; the first gear is fixedly arranged at the left end of the first rotating shaft and is positioned in the mounting groove; the second pivot is connected in the mounting groove along being on a parallel with first pivot direction rotation, second gear fixed mounting is in the second pivot, the second gear meshes with first gear and passes notch and ring gear meshing.

6. A method for quickly connecting pipelines, which is characterized by comprising the flange for quickly connecting pipelines as claimed in claim 1, and comprises the following specific steps:

step one, fixedly connecting a first flange and a second flange together through a detachable bolt;

step two, the gear ring is controlled by the power assembly to drive the transmission cylinder to rotate, and the transmission cylinder drives the left cone and the right cone to move back to back when rotating, so that the far end of the left positioning rod leaves the left insertion groove, and the far end of the right positioning rod leaves the right insertion groove;

inserting the left connecting pipe into the left inserting groove and controlling the left positioning hole to be over against the telecentric end of the left positioning rod, and simultaneously inserting the right connecting pipe into the right inserting groove and controlling the right positioning hole to be over against the telecentric end of the right positioning rod;

fourthly, the gear ring is controlled by the power assembly to drive the transmission cylinder to rotate, and the transmission cylinder drives the left cone and the right cone to move oppositely when rotating, so that the left cone pushes the far end of the left positioning rod to be inserted into the left positioning hole; and simultaneously, the right cone pushes the far end of the right positioning rod to be inserted into the right positioning rod.

Technical Field

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

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. The flange connection is an important connection mode of pipeline construction, is convenient to use, can bear larger pressure, and is very widely used in industrial pipelines. The flange and the pipeline are connected together by welding, the construction period is long, the investment is large, and great loss is brought to production and environment, so that further improvement is greatly needed.

Disclosure of Invention

The invention aims to provide a pipeline quick connecting flange which is simple in structure and can realize quick connection between a flange and a pipeline.

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

a pipeline quick connecting flange comprises a first flange and a second flange, wherein the first flange is detachably and fixedly arranged on the second flange; the left end of the second flange extends leftwards to form a left cylinder body, and the right end of the second flange extends rightwards to form a right cylinder body; the left end of the first flange extends leftwards to be provided with a left second cylinder body sleeved outside the left first cylinder body, a left inserting groove is formed between the left first cylinder body and the left second cylinder body, and a right inserting groove with an opening at the right end is formed in the right cylinder body; the side wall of an inner hole of the second flange is provided with an inward extending convex edge, the left side of the convex edge is rotatably connected with a gear ring, a transmission cylinder is arranged in the gear ring, and the transmission cylinder and the gear ring are fixedly connected in the circumferential direction of the gear ring and are in sliding connection in the axial direction of the gear ring; a right cone is arranged on the outer side of the right end of the transmission cylinder, a left cone is in threaded connection with the left end of the transmission cylinder, and the left cone and the left cylinder are fixedly connected in the circumferential direction of the left cylinder and are in sliding connection in the axial direction of the left cylinder; the side wall of the left barrel is connected with a left positioning rod in a sliding mode along the radial direction, the left positioning rod is sleeved with a left spring used for forcing the proximal end of the left positioning rod to be tightly pressed on the left cone, the side wall of the right barrel is connected with a right positioning rod in a sliding mode along the radial direction, and the right positioning rod is sleeved with a right spring used for forcing the proximal end of the right positioning rod to be tightly pressed on the right cone; a left connecting pipe is inserted in the left inserting groove, a left positioning hole matched with the left positioning rod is arranged on the left connecting pipe, a right connecting pipe is inserted in the right inserting groove, and a right positioning hole matched with the right positioning rod is arranged on the right connecting pipe; when the gear ring rotates, the left cone and the right cone do reverse motion, when the left cone and the right cone move oppositely, the left cone pushes the left positioning rod to be inserted into the left positioning hole, and the right cone pushes the right positioning rod to be inserted into the right positioning hole; when the left cone and the right cone move back to back, the left positioning rod leaves the left positioning hole under the action of the left spring, and the right positioning rod leaves the right positioning hole under the action of the right spring; and a power assembly for driving the gear ring to rotate is arranged in the second flange.

Further, the left side of chimb is equipped with the bulge loop, be equipped with the ring channel that supplies the bulge loop to stretch into on the right-hand member face of ring gear, be equipped with the jump ring on the left side of ring gear on the inside wall of the first barrel of a left side, be equipped with the packing ring between the left end of jump ring and ring gear.

Further, the inner hole side wall of the gear ring is provided with a first limiting groove, and a first limiting block which is connected in the first limiting groove in a sliding manner is fixedly mounted on the outer side of the transmission cylinder.

Furthermore, the left end inner hole side wall of the left barrel body is provided with a second limiting groove along the axial direction, and a second limiting block which is connected in the second limiting groove in a sliding manner is fixedly mounted on the outer side of the left cone body.

Furthermore, the power assembly comprises a first rotating shaft, a second rotating shaft, a first gear and a second gear, wherein the left end of the second flange is provided with an installation groove, the side wall of the left barrel is provided with a notch communicated with the installation groove, the first rotating shaft is rotatably connected in the second flange along the axial direction of the second flange, the left end of the first rotating shaft extends into the installation groove, and the right end of the first rotating shaft extends out of the second flange; the first gear is fixedly arranged at the left end of the first rotating shaft and is positioned in the mounting groove; the second pivot is connected in the mounting groove along being on a parallel with first pivot direction rotation, second gear fixed mounting is in the second pivot, the second gear meshes with first gear and passes notch and ring gear meshing.

The invention also provides a pipeline quick connection method, which comprises the pipeline quick connection flange and comprises the following concrete steps:

step one, fixedly connecting a first flange and a second flange together through a detachable bolt;

step two, the gear ring is controlled by the power assembly to drive the transmission cylinder to rotate, and the transmission cylinder drives the left cone and the right cone to move back to back when rotating, so that the far end of the left positioning rod leaves the left insertion groove, and the far end of the right positioning rod leaves the right insertion groove;

inserting the left connecting pipe into the left inserting groove and controlling the left positioning hole to be over against the telecentric end of the left positioning rod, and simultaneously inserting the right connecting pipe into the right inserting groove and controlling the right positioning hole to be over against the telecentric end of the right positioning rod;

fourthly, the gear ring is controlled by the power assembly to drive the transmission cylinder to rotate, and the transmission cylinder drives the left cone and the right cone to move oppositely when rotating, so that the left cone pushes the far end of the left positioning rod to be inserted into the left positioning hole; and simultaneously, the right cone pushes the far end of the right positioning rod to be inserted into the right positioning rod.

Advantageous effects

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

(1) the first flange and the left connecting pipe, and the second flange and the right connecting pipe are connected in a mode that the left positioning rod is inserted into the left positioning hole of the left connecting pipe, and the right positioning rod is inserted into the right positioning hole of the right connecting pipe, so that the connecting step is simple, and the operation is easy;

(2) the first flange and the left connecting pipe, and the second flange and the right connecting pipe are connected in a mode that the left positioning rod is inserted into the left positioning hole of the left connecting pipe, and the right positioning rod is inserted into the right positioning hole of the right connecting pipe, so that the flange can be disassembled and assembled for multiple times and can be used repeatedly;

(3) the left positioning rod is pushed to extend by the left cone, the right positioning rod is pushed to extend by the right cone, the left communicating pipe is fixed by the left positioning rod, and the right communicating pipe is fixed by the right positioning rod, so that the structure is simple, convenient and fast.

Drawings

FIG. 1 is a cross-sectional view of the present invention after the connection is completed;

FIG. 2 is a cross-sectional view of the installation process of the present invention;

FIG. 3 is a cross-sectional view of a second flange of the present invention;

FIG. 4 is a cross-sectional view of a first flange of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 2.

Detailed Description

Referring to fig. 1-5, a quick pipe connecting flange includes a first flange 2 and a second flange 1, wherein the first flange 2 is detachably fixed on the second flange 1 by bolts; the left end of the second flange 1 extends leftwards to form a left cylinder body 101, and the right end of the second flange extends rightwards to form a right cylinder body 102; the left end of the first flange 2 extends leftwards to be provided with a left second cylinder 201 sleeved outside the left first cylinder 101, a left insertion groove 202 is formed between the left first cylinder 101 and the left second cylinder 201, and a right insertion groove 103 with an opening at the right end is arranged in the right cylinder 102; the side wall of the inner hole of the second flange 1 is provided with a convex edge 104 extending inwards, the left side of the convex edge 104 is rotatably connected with a gear ring 5, a transmission cylinder 7 is arranged in the gear ring 5, the side wall of the inner hole of the gear ring 5 is provided with a first limiting groove 51, and the outer side of the transmission cylinder 7 is fixedly provided with a first limiting block 9 connected in the first limiting groove 51 in a sliding manner; a right cone 7a is arranged on the outer side of the right end of the transmission cylinder 7, a left cone 8 is in threaded connection with the left end of the transmission cylinder 7, a second limiting groove 1a is axially formed in the side wall of the inner hole in the left end of the left cylinder body 101, and a second limiting block 14 which is connected in the second limiting groove 1a in a sliding mode is fixedly installed on the outer side of the left cone 8; the side wall of the left barrel 101 is connected with a left positioning rod 6a in a sliding mode along the radial direction, the left positioning rod 6a is sleeved with a left spring 12 used for forcing the proximal end of the left positioning rod 6a to be tightly pressed on the left cone 8, the side wall of the right barrel 102 is connected with a right positioning rod 6b in a sliding mode along the radial direction, and the right positioning rod 6b is sleeved with a right spring 13 used for forcing the proximal end of the right positioning rod 6b to be tightly pressed on the right cone 7 a.

A left connecting pipe 13a is inserted into the left insertion groove 202, a left positioning hole 131 matched with the left positioning rod 6a is formed in the left connecting pipe 13a, a right connecting pipe 13b is inserted into the right insertion groove 103, and a right positioning hole 132 matched with the right positioning rod 6b is formed in the right connecting pipe 13 b; when the gear ring 5 rotates, the left cone 8 and the right cone 7a move reversely, when the left cone 8 and the right cone 7a move oppositely, the left cone 8 pushes the left positioning rod 6a to be inserted into the left positioning hole 131, and the right cone 7a pushes the right positioning rod 6b to be inserted into the right positioning hole 132; when the left cone 8 and the right cone 7a move back to back, the left positioning rod 6a leaves the left positioning hole 131 under the action of the left spring 12, and the right positioning rod 6b leaves the right positioning hole 132 under the action of the right spring 13; and a power assembly for driving the gear ring 5 to rotate is arranged in the second flange 1.

The left side of chimb 104 is equipped with bulge loop 105, be equipped with the ring channel 52 that supplies bulge loop 105 to stretch into on the right-hand member face of ring gear 5, be equipped with jump ring 10 in the left side of ring gear 5 on the inside wall of a left side barrel 101, be equipped with packing ring 11 between the left end of jump ring 10 and ring gear 5.

The power assembly comprises a first rotating shaft 3a, a second rotating shaft 3b, a first gear 3 and a second gear 4, wherein the left end of the second flange 1 is provided with an installation groove 106, the side wall of the left barrel 101 is provided with a notch 107 communicated with the installation, the first rotating shaft 3a is rotatably connected in the second flange 1 along the axial direction of the second flange 1, the left end of the first rotating shaft 3a extends into the installation groove 106, and the right end of the first rotating shaft 3a extends out of the second flange 1; the first gear 3 is fixedly arranged at the left end of the first rotating shaft 3a and is positioned in the mounting groove 106; the second rotating shaft 3b is rotatably connected in the mounting groove 106 along a direction parallel to the first rotating shaft 3a, the second gear 4 is fixedly mounted on the second rotating shaft 3b, and the second gear 4 is meshed with the first gear 3 and penetrates through the notch 107 to be meshed with the gear ring 5.

The embodiment also provides a method for quickly connecting pipelines, which comprises the steps of:

step one, fixedly connecting a first flange 2 and a second flange 1 together through a detachable bolt;

step two, the gear ring 5 is controlled by the power assembly to drive the transmission cylinder 7 to rotate, and the transmission cylinder 7 drives the left cone 8 and the right cone 7a to move backwards when rotating, so that the far end of the left positioning rod 6a leaves the left insertion groove 202, and the far end of the right positioning rod 6b leaves the right insertion groove 103;

step three, inserting the left connecting pipe 13a into the left inserting groove 202 and controlling the left positioning hole 131 to be over against the telecentric end of the left positioning rod 6a, and simultaneously inserting the right connecting pipe 13b into the right inserting groove 103 and controlling the right positioning hole 132 to be over against the telecentric end of the right positioning rod 6 b;

fourthly, the gear ring 5 is controlled by the power assembly to drive the transmission cylinder 7 to rotate, and the transmission cylinder 7 drives the left cone 8 and the right cone 7a to move oppositely when rotating, so that the left cone 8 pushes the far end of the left positioning rod 6a to be inserted into the left positioning hole 131; and the right cone 7a pushes the distal end of the right positioning rod 6b to insert into the right positioning rod.

When the gear ring 5 drives the transmission cylinder 7 to rotate, the transmission cylinder 7 drives the left cone 8 to move along the axial direction of the left cylinder 101 because the left cone 8 is in threaded connection with the left end of the transmission cylinder 7.

In addition, when the power assembly works, the first rotating shaft 3a is driven to rotate, when the first rotating shaft 3a rotates, the first gear 3 is driven to rotate, and when the first gear 3 rotates, the gear ring 5 is driven to drive the transmission cylinder 7 to rotate through the second gear 4.

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.