CN216952112U

CN216952112U - High-pressure self-tightening flange for pipeline

Info

Publication number: CN216952112U
Application number: CN202220676601.4U
Authority: CN
Inventors: 陆斌; 刘国中; 刘国平; 刘新; 刘佳
Original assignee: Wuxi Huixi Fluid Equipment Technology Co ltd
Current assignee: Wuxi Huixi Fluid Equipment Technology Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-12
Anticipated expiration: 2032-03-23

Abstract

The utility model is suitable for the technical field of high-pressure self-tightening flanges, and provides a high-pressure self-tightening flange for pipelines, wherein two sockets are respectively butted and fixed with the corresponding pipelines, then the two sockets clamp a sealing ring, then the joint of the two sockets is clamped by two clamping sleeves, then the two clamping sleeves are respectively surrounded at the joint of the two sockets to form a clasping type, then one end of a bolt is inserted into a through hole of one clamping sleeve one by one and is inserted out of a through hole of the other clamping sleeve, wherein the tail end of the bolt is limited by a regular hexagonal hole on the clamping sleeve, so that when the rotating wheel rotates, the rotation of the rotating wheel drives round nuts positioned at two ends of a plate body to rotate through a chain, the synchronous locking of the two bolts of the clamping sleeves is realized, and the quick installation of the bolts on the same side is realized, and then realize quick installation to whole high pressure self-tightening flange.

Description

High-pressure self-tightening flange for pipeline

Technical Field

The utility model belongs to the technical field of high-pressure self-tightening flanges, and particularly relates to a high-pressure self-tightening flange for a pipeline.

Background

The high-pressure self-tightening flange is a novel high-pressure flange which is more beneficial to pipeline connection under severe working conditions such as high pressure, high temperature, high corrosion and the like. The traditional flange achieves the sealing effect by means of plastic deformation of a sealing gasket, and belongs to soft sealing, while the core of the high-pressure self-tightening flange is unique and novel sealing, namely the sealing is formed by means of elastic deformation of a sealing lip (T-shaped arm) of a sealing ring, and belongs to hard sealing. The combination of the sleeve joint, the cutting sleeve and the sealing ring forms a strong rigid body, so that the strength of the connecting part is far greater than the strength of the pipe parent metal. When the pressure is applied, the rib and the lip respectively play roles in strength and sealing, so that the self-tightening sealing can be realized, the pipeline can be reinforced, and the overall strength of the connecting part is greatly enhanced.

Current high pressure is from compact form flange adopts a plurality of bolts to carry out the spiro union to two cutting ferrule about to fixed, because every bolt all need solitary twist to move, leads to whole dismouting inefficiency, inconvenient use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-pressure self-tightening flange for a pipeline, and aims to solve the problems that the existing high-pressure self-tightening flange adopts a plurality of bolts to fix a left clamping sleeve and a right clamping sleeve in a threaded manner, and the whole assembly and disassembly efficiency is low and the use is inconvenient because each bolt needs to be screwed independently.

The utility model is realized in such a way that the high-pressure self-tightening flange for the pipeline comprises two butted sockets, two clamping sleeves are arranged on the outer sides of the two sockets to lock the two sockets in a close-embracing manner, the two sockets are fixed by adopting a plurality of bolts, and the two bolts on the same side of the clamping sleeves are locked by screw pieces.

Preferably, the sockets are cylindrical, and the two sockets are clamped by the sealing rings in the middle through end faces.

Preferably, the two clamping sleeves are semicircular, and the two clamping sleeves are folded to lock the joint of the two sleeve joints which are abutted to each other in the middle in an encircling manner.

Preferably, two ends of each of the two clamping sleeves are provided with a convex block, the convex block is provided with two through holes which are positioned on the same straight line and used for the bolt to pass through, and the outer side of each through hole is provided with a regular hexagonal hole for clamping the tail end of a regular hexagon of the bolt.

Preferably, the spiral piece includes the plate body, and the both ends of this plate body and two the position department that the bolt corresponds all is connected with circular nut through the bearing, and is located the centre of plate body is connected with the runner through the bearing, the runner with two circular nut passes through chain looks transmission connection.

Preferably, the diameter of the rotating wheel is larger than the diameters of the two round nuts at the two sides of the rotating wheel, and a plurality of finger grooves are formed in the outer side wall of one end of the rotating wheel.

Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a high-pressure self-tightening flange for pipelines, which is characterized in that two sockets are respectively butted and fixed with the corresponding pipelines, then the two sockets clamp a sealing ring, and the joint of the two sockets is clamped by two clamping sleeves, then the two cutting ferrules are respectively surrounded at the joint of the two sockets to form a clasping type, then one end of the bolt is penetrated into the through hole of one cutting ferrule one by one and is penetrated out of the through hole of the other cutting ferrule, wherein, because the tail end of the bolt is limited by the regular hexagonal hole on the cutting sleeve, when the rotating wheel is rotated later, the rotation of runner drives the circular nut that is located the plate body both ends through the chain and rotates, realizes carrying out synchronous locking to the sleeve with two bolts of one side, has realized quick bolt installation to one side, and then realizes quick installation to whole high pressure self-tightening flange.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure taken along the line A-A in FIG. 2;

FIG. 4 is a first schematic diagram of a side view configuration of the present invention;

FIG. 5 is a second schematic side view of the present invention;

in the figure:

1. a socket;

2. a card sleeve; 21. a bump; 22. a through hole; 23. a regular hexagonal hole;

3. a bolt; 31. a tail end;

4. a snail sheet; 41. a plate body; 42. a round nut; 43. a rotating wheel; 44. a chain.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a pipeline is with high pressure from compact form flange, includes the socket 1 of two butt joints, is provided with two cutting ferrule 2 in the outside of two sockets 1 and closes the formula locking of embracing two sockets 1, and adopts a plurality of bolts 3 fixed between two sockets 1, and cutting ferrule 2 passes through the lock of spiral shell piece 4 with two bolts 3 of one side.

Through carrying out butt joint with two sockets 1 respectively with the pipeline that corresponds separately fixedly, later two sockets 1 carry out the centre gripping to the sealing ring, two cutting ferrule 2 carry out the joint to the linking department of two sockets 1 again, then enclose two cutting ferrule 2 respectively at two sockets 1 linking department formation formula of embracing, penetrate the one end of bolt 3 from the through hole 22 of one of them cutting ferrule 2 one by one afterwards, and wear out from the through hole 22 of another cutting ferrule 2, wherein because the tail end 31 of bolt 3 is spacing by the hexagon socket 23 on the cutting ferrule 2, thereby when rotating runner 43 afterwards and rotating, the rotation of runner 43 drives the round nut 42 that is located plate body 41 both ends through chain 44 and rotates, the realization carries out synchronous locking to two bolts 3 of cutting ferrule 2 with one side.

The socket 1 is provided with a cylinder shape, and the two sockets 1 are all clamped by end faces to form a sealing ring in the middle. Two cutting ferrule 2 all set up to semi-circular, and two cutting ferrule 2 fold to being located the middle two sockets 1 that butt each other and closing join the department and embrace the locking.

In this embodiment, two sockets 1 are located the middle sealing ring through the terminal surface centre gripping, and two semicircular cutting ferrule 2 embrace and lock two sockets 1 that are located the middle again to can avoid two sockets 1's separately.

Two ends of the two cutting sleeves 2 are provided with a convex block 21, the convex block 21 is provided with two through holes 22 which are positioned on the same straight line and are used for the bolt 3 to pass through, and the outer side of each through hole 22 is provided with a regular hexagonal hole 23 used for clamping the tail end 31 of the regular hexagon of the bolt 3.

In this embodiment, the mutual attaching parts of the two cutting sleeves 2 are the mutual attaching between the convex blocks 21, on one hand, the whole contact area is increased, two through holes 22 which are symmetrical and located on the same straight line are conveniently formed in the two cutting sleeves, one end of the bolt 3 penetrates through the through hole 22 of one cutting sleeve 2 one by one and penetrates out of the through hole 22 of the other cutting sleeve 2, then the tail end 31 of the bolt 3 is inserted into the hexagonal hole 23 for limiting, and therefore when the round nut 42 of the screw piece 4 is used for screwing and rotating the bolt 3, the bolt 3 is limited and cannot rotate freely, and screwing and locking of the bolt 3 are achieved.

The screw sheet 4 comprises a plate body 41, the two ends of the plate body 41 are connected with circular nuts 42 through bearings at positions corresponding to the two bolts 3, the middle of the plate body 41 is connected with a rotating wheel 43 through a bearing, and the rotating wheel 43 is in transmission connection with the two circular nuts 42 through a chain 44.

In this embodiment, the both ends and the center department of plate body 41 all set up the hole, all through bearing fixed connection in every hole, and rotate in the hole at both ends and be connected with circular nut 42, rotate in the hole in the middle of and be connected with runner 43, the inside cavity that communicates three hole that still sets up of plate body 41, it is connected with chain 44 to rotate in this cavity, just so can drive the circular nut 42 that is located its both sides through rotating runner 43 that is located in the middle of being located and rotate, realize installing two bolts 3 with one side at last.

The diameter of the rotating wheel 43 is larger than the diameters of the two round nuts 42 on the two sides, and a plurality of finger grooves are formed in the outer side wall of one end of the rotating wheel 43.

In this embodiment, the outer wall of runner 43 and circular nut 42 all is provided with the round tooth and is used for cooperating chain 44 to use, and the runner 43 diameter that is located in the middle of the while is greater than two circular nuts 42 that are located both sides to can let laminating more of chain 44, and then realize that chain 44 drives two circular nuts 42 of both sides and rotate, two circular nuts 42 rotate and realize synchronous spiro union fixed to two bolts 3. The outer side wall of one end of the rotating wheel 43 is provided with a finger slot, so that a finger of a user can be conveniently inserted into the finger slot, and the rotating wheel 43 is controlled to be screwed to rotate, so that the two circular nuts 42 on the two sides are driven.

The working principle and the using process of the utility model are as follows: firstly, two sockets 1 are respectively butted and fixed with respective corresponding pipelines, then a sealing ring is placed between the two sockets 1, so that the two sockets 1 clamp the sealing ring, then two cutting sleeves 2 are respectively surrounded at the joint of the two sockets 1 to form a wrapping type, then one end of each bolt 3 penetrates through a through hole 22 of one cutting sleeve 2 and penetrates out of a through hole 22 of the other cutting sleeve 2, then the tail end 31 of the bolt 3 is inserted into a hexagonal hole 23 for limiting, then two round nuts 42 of a screw sheet 4 respectively correspond to the two bolts 3 on the same side of the cutting sleeve 2, then fingers are separately inserted into finger grooves of a rotating wheel 43, the rotating wheel 43 is driven to rotate by the finger grooves, the rotation of the rotating wheel 43 drives the round nuts 42 positioned at two ends of a plate body 41 to rotate by a chain 44, the two round nuts 42 rotate at the front end of the respective corresponding bolt 3 so as to be slowly screwed into the bolt 3, in the same way, the two bolts 3 on the other side of the clamping sleeve 2 are also installed by the screw sheet 4 in such a way, and finally, the two bolts 3 on the same side are synchronously screwed and locked.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a high pressure is from compact form flange for pipeline which characterized in that: the locking device comprises two butt-jointed sockets (1), wherein two clamping sleeves (2) are arranged on the outer sides of the sockets (1) and are used for locking the sockets (1) in a close-holding manner, a plurality of bolts (3) are adopted between the sockets (1) for fixing, and the clamping sleeves (2) are used for locking the bolts (3) at the same side through screw pieces (4).

2. A high pressure self-clinching flange for a pipe as claimed in claim 1, wherein: the sleeve joint (1) is provided with a cylinder, and the two sleeve joints (1) are all positioned on the sealing ring in the middle through end face clamping.

3. A high pressure self-clinching flange for a pipe as claimed in claim 2, wherein: the two clamping sleeves (2) are all arranged in a semicircular shape, and the clamping sleeves (2) are folded to lock the joint of the two sockets (1) which are mutually abutted in the middle in an encircling manner.

4. A high pressure self-clinching flange for a pipe as claimed in claim 1, wherein: two ends of the two clamping sleeves (2) are provided with convex blocks (21), the convex blocks (21) are provided with two through holes (22) which are positioned on the same straight line and used for the bolt (3) to pass through, and the outer side of each through hole (22) is provided with a regular hexagonal hole (23) used for clamping the regular hexagonal tail end (31) of the bolt (3).

5. A high-pressure self-tightening flange for pipes according to claim 1, wherein: the spiral piece (4) comprises a plate body (41), the two ends of the plate body (41) are connected with two corresponding positions of the bolts (3) through bearings to form circular nuts (42), the two ends of the plate body (41) are located in the middle of the plate body (41) and are connected with rotating wheels (43) through the bearings, and the rotating wheels (43) are in transmission connection with the two circular nuts (42) through chains (44).

6. A high-pressure self-tightening flange for pipes according to claim 5, wherein: the diameter of the rotating wheel (43) is larger than the diameters of the two round nuts (42) on the two sides of the rotating wheel, and a plurality of finger grooves are formed in the outer side wall of one end of the rotating wheel (43).