CN111492168A

CN111492168A - Fluid flow diverter

Info

Publication number: CN111492168A
Application number: CN201780094974.2A
Authority: CN
Inventors: 陈保同
Original assignee: Dongguan Curiosity Intelligent Technology Co ltd
Current assignee: Dongguan Curiosity Intelligent Technology Co ltd
Priority date: 2017-09-19
Filing date: 2017-09-19
Publication date: 2020-08-04
Also published as: WO2019056154A1

Abstract

A fluid diverter, the device comprising a container (10), a plurality of valve branches; the container (10) is connected and communicated with the valve branch circuit through plastic deformation of the buckling piece (30), the sealing is reliable, and the product processing technology is simple.

Description

Fluid flow diverter

Fluid flow divider technical field

[0001] The present invention relates to the field of fluid connections, and in particular to a connection device for distributing fluid from a main line to a branch line.

Background

[0002] The gas and liquid conveying pipeline is widely applied to the industrial fields of petroleum, chemical industry and the like. In production application, a plurality of branch pipelines are often required to be connected with fluid in a main pipeline or a container for distributing the fluid, so as to meet industrial requirements and achieve the purposes of sample detection, fluid performance index testing, circulating heat dissipation and the like. The air source distributor is widely applied in the industrial field, and Chinese patent CN102788246A discloses an air source distributor which is an intermediate bridge formed by connecting a starting instrument and an air main pipe which are installed in a centralized manner and can conveniently control the on-off of each pipeline. Chinese patent CN104180115A discloses that the connection mode of the prior patent can cause the wall of the container to be too thick, which results in the whole device being heavy, so that the thin-wall type fluid flow divider is invented. The fluid shunt disclosed by the Chinese patent CN104180115A is thin in container wall and light in weight, but the processing and manufacturing process is not good enough, in the device, inserting of the fixing pin inch must be carried out from one end inside the container, after inserting is finished, welding of the end cover of the container is carried out, the assembling process is slow in assembling speed, and finally, the welding is easy to destroy to cause sealing failure, and the yield is low.

Technical problem

[0003] The invention aims to overcome the defects of the prior art and provide a fluid flow divider, which can realize firm connection and stable sealing by adopting a thin-wall container and buckling connection and is quick and convenient to process.

Solution to the problem

Technical solution

[0004] A fluid diverter comprising a container, a plurality of valve branches; the container comprises at least one main fluid channel and also comprises a round hole which is arranged on the cylindrical wall of the container and connected with the joint; each valve branch comprises a valve, a connector, a fastener and a sealing element; the valve controls the on-off of the branch, has the male thread used for connecting with piecing whorl, is used for inserting into piecing and propping up the extension pipe of the fastener, the extension pipe locates at the end of male thread, the extension pipe is a part of the valve; the joint is roughly in a circular tube shape and is provided with a through central hole, the first end of the joint is provided with an insertion part for inserting an extension pipe and a female thread for screwing with the male thread of the valve, the screwing part of the female thread and the male thread is sealed by an annular sealing element, the central hole of the joint axially penetrates to the second end of the joint along the joint, the diameter of the central hole at the second end is smaller than that of the female thread, so that the central hole is close to the second end to form an annular platform, the end surface of the second end of the joint is an arc surface with the radius equivalent to that of the container wall, and an annular groove is formed in; the fastener comprises a plastic deformation part, a thin-wall part, an outer edge part, a protrusion part and a central hole, wherein the central hole of the fastener penetrates through the plastic deformation part, the thin-wall part and the outer edge part; the female thread part and the thin wall part of the buckling piece sequentially penetrate through the connector, the sealing piece and the container round hole, under the action of external force in the axial direction and the opposite direction, the thin wall part is plastically deformed and collapsed and is radially and outwards bulged towards the thin wall part to form a bulge part, so that the lower edge of the outer edge part of the buckling piece is abutted against the annular platform of the connector, the bulge part is abutted against the inner wall of the container surrounding the round hole, the connector and the container form axial clamping, and the sealing piece is sealed in the groove.

[0005] Further, the wall thickness of the thin wall part of the fastener is smaller than that of the plastic deformation part.

[0006] Further, the outer diameter of the thin wall part is the same as that of the plastic deformation part, and the diameter of the central hole before the plastic deformation of the thin wall part is larger than that of the plastic deformation part. With this structure, the thin wall portion is more likely to bulge radially outward to form a protrusion portion without collapsing radially inward and obstructing the central hole as a flow passage when the flow path is deformed.

[0007] Furthermore, in order to facilitate the assembly of the insertion joint and the round hole, the front end of the plastic deformation part is in a furling shape.

[0008] Furthermore, in order to improve the friction force between the buckling piece and the inner wall of the container and prevent the buckling piece from loosening axially, the outer wall of the thin wall part is provided with grains or bulges so as to increase the friction force between the protrusion part and the inner part of the container.

[0009] Furthermore, in order to improve the friction force between the buckling piece and the connector and prevent the connector and the buckling piece from being loosened axially, the lower edge of the outer edge part is provided with grains or bulges, and the annular platform is also provided with the grains or the bulges.

[0010] The fluid diverter also includes a drain interface disposed on the container for purging.

Advantageous effects of the invention

Advantageous effects

[0011] The joint and the container are sealed reliably in a sealing mode, and the processing technology is simple; in addition, the connection mode of the joint and the container adopts a mode of buckling in the container, and the buckling inches only need to be operated outside the complete container.

Brief description of the drawings

Description of the drawings [0012] FIG. 1 is a view of a fluid diverter;

[0013] FIG. 2 is an exploded view of the fluid diverter;

[0014] FIG. 3 is an axial cross-sectional view of the fastener;

[0015] FIG. 4 is an axial cross-sectional view of the fitting;

[0016] FIG. 5 is a cross-sectional view of a valve branch prior to installation;

[0017] FIG. 6 is a schematic view of a valve branch installation 1;

[0018] FIG. 7 is a schematic illustration of valve branch installation 2;

[0019] FIG. 8 is a schematic view of a valve branch installation 3;

[0020] fig. 9 is a partial cross-sectional view of a fluid diverter.

Best mode for carrying out the invention

[0021] For the purpose of facilitating an understanding of the present invention, a detailed description of specific embodiments and assembly procedures is provided below in connection with the accompanying drawings.

Modes for carrying out the invention

[0022] Fig. 1 to 9 are related drawings of the flow diverter. A fluid diverter comprising a vessel 10, a plurality of valve branches; the container 10 comprises a cylindrical middle section 11, a furled front section 12 and a furled rear section 13, wherein the front section 12 and the rear section 13 are connected into a whole through a welding seam 16 and a welding seam 17 to form a container with a cavity 19; the front section 12 is provided with a main fluid channel 14 for externally connecting a main pipeline, the rear section 13 is provided with a discharge interface 15, and the cylindrical wall of the middle section 11 is provided with 6 circular holes 18 connected by connectors; the valve 60 controls the on-off of the pipeline and is provided with a male thread 61 for being in threaded connection with the connector and an extension pipe 90 for being inserted into the connector and abutting against the buckling piece, the extension pipe 90 is positioned at the tail end of the male thread, and the extension pipe 90 is part of the valve 60; the connector 20 is generally in a circular tube shape and has a through central hole, the first end of the connector is provided with an insertion part 28 for inserting the extension pipe 90 and a female thread 22 for screwing with the valve male thread 61, the extension pipe 90 inserted into the insertion part 28 is axially stressed by screwing the valve male thread 61 and the connector female thread 22, one end of the extension pipe abuts against the valve, the other end of the extension pipe abuts against the upper edge 312 of the buckling piece, and the joint of the male thread 61 and the female thread 22 is sealed by an annular sealing piece 80. The central hole of the adapter 20 is axially through the adapter to the second end 29, the diameter of the central hole at the second end 29 is smaller than that of the female thread, that is, the diameter at the position 25 is smaller than that at the position 28, so that the central hole forms an annular platform 24 near the second end 29, and the annular platform 24 is provided with grains or protrusions, and the second end surface 23 of the adapter is an arc surface with the radius equivalent to that of the middle section 11 of the container and is provided with an annular groove 26. The arc surface can ensure that the outer wall of the middle section 11 of the container is naturally matched and butted with the second end surface 23 without plastic deformation in the axial compression plastic deformation process of the buckling piece 30. The fastener 30 comprises a plastic deformation part 33, a thin wall part 32, an outer edge part 31, a protrusion part 322 and a central hole, the outer diameter of the thin wall part 32 is the same as that of the plastic deformation part 33, the diameter of the central hole before the plastic deformation of the thin wall part 32 is larger than that of the female thread part, and the wall thickness of the thin wall part 32 is smaller than that of the plastic deformation part 33; (ii) a The outer wall of the thin-wall part 32 is provided with a wire drawing thread 321 to improve the friction force between the fastener and the inner wall of the container, the lower edge 311 of the outer edge part 31 is provided with a thread to improve the friction force between the fastener and the connector, the front end 333 of the plastic deformation part is in a furled shape, the central hole of the fastener 30 penetrates through the plastic deformation part 33, the thin-wall part 32 and the outer edge part 31, the plastic deformation part 33 and the thin-wall part 32 of the fastener 30 sequentially penetrate through the connector 20, the sealing element 40 and the circular hole 18 of the container, under the action of external force in the axial direction and the opposite direction, the thin-wall part 32 is plastically deformed and collapsed and bulges outwards in the radial direction of the thin-wall part to form a protrusion 322, so that the lower edge 311 of the outer edge part 31 of the fastener is abutted against the annular platform 24 of the connector, and the protrusion 322 is abutted against the inner wall, the plastic deformation of the fasteners 30 presses the container wall to deform, so that the outer wall of the container 10 is attached to the second end surface 23 of the connector, and the sealing member 40 is sealed in the groove 26.

Fig. 5-9 illustrate a valve leg installation of a flow diverter that requires clamping apparatus-a mandrel whose body can pass through the flow path of the valve leg of fig. 5 and has a streamlined enlarged portion 51. the body of the mandrel 50 can pass through the flow path of the entire valve leg, but the enlarged portion 51 can pass through areas other than the fastener female threads 332. Installing an inch, firstly, enabling the main body of the mandrel 50 to penetrate through a flow channel of the whole valve branch from the end of the buckling piece 30, then enabling the valve branch to penetrate through the sealing piece 40 and the hole 18, pushing against the valve 60 by using a force F1, extracting the mandrel 50 by using a force F2 together with the inch, transmitting the force to the upper edge 312 of the buckling piece through the valve 60 and the extension pipe 90, forcibly extruding the force into the plastic deformation part 33 of the buckling piece together with the inch expansion part 51, enabling the buckling piece 30 to be compressed axially, enabling the thin wall part 32 to bulge outwards in the radial direction to form a bulge part 322, pushing against the inner wall of the container 10 by the bulge part 322 along with the gradual increase of the forces Fl and F2, pressing the container to be attached to the end surface 23 of the joint 20, and continuing to increase along with the forces Fl and F2, enabling the expansion part 51 to damage 332, 332 and, Squeeze smoothly and finally the expansion 51 is drawn away from the valve branch. This mounting will cause permanent damage to the female thread of the fastener, but will not adversely affect the strength of the connection; the female screw is smoothly extruded, and the inner diameter of the plastic deformation part 33 is enlarged, thereby improving the fluid flow capacity.

Claims

Claims

The fluid diverter according to claim 1, wherein: a fluid diverter comprising a container, a plurality of valve branches; the container comprises at least one main fluid channel and also comprises a round hole which is arranged on the cylindrical wall of the container and is connected with the joint; each valve branch comprises a valve, a connector, a fastener and a sealing element; the valve controls the on-off of the branch, and is provided with a male thread for being connected with the joint thread and an extension pipe for being inserted into the joint and abutting against the buckling piece, the extension pipe is positioned at the tail end of the male thread, and the extension pipe is a part of the valve; the joint is roughly in a circular tube shape and is provided with a through central hole, the first end of the joint is provided with an insertion part for inserting an extension pipe and a female thread for screwing with the male thread of the valve, the screwing part of the female thread and the male thread is sealed by an annular sealing element, the central hole of the joint axially penetrates to the second end of the joint along the joint, the diameter of the central hole at the second end is smaller than that of the female thread, so that the central hole is close to the second end to form an annular platform, the end surface of the second end of the joint is an arc surface with the radius equivalent to that of the container wall, and an annular groove is formed; the fastener comprises a plastic deformation part, a thin-wall part, an outer edge part, a protrusion part and a central hole, wherein the central hole of the fastener penetrates through the plastic deformation part, the thin-wall part and the outer edge part; the female thread part and the thin wall part of the fastener sequentially penetrate through the connector, the sealing element and the container round hole, under the action of external force in the axial direction and the opposite direction, the thin wall part is plastically deformed and collapsed and is radially and outwards bulged towards the thin wall part to form a bulge part, so that the lower edge of the outer edge part of the fastener is abutted against an annular platform of the connector, the bulge part is abutted against the inner wall of the container surrounding the round hole, the connector and the container form axial clamping, and the sealing element is sealed in the groove.

The fluid diverter according to claim 2, wherein: the wall thickness of the fastener thin wall portion is smaller than that of the plastic deformation portion.

The fluid diverter according to claim 1, wherein: the outer diameter of the thin wall part is the same as that of the plastic part, and the diameter of the central hole before the plastic deformation of the thin wall part is larger than that of the plastic part.

The fluid diverter according to claim 1, wherein: the front end of the plastic deformation part of the buckling piece is furled.

The fluid diverter according to claim 1, wherein: the outer wall of the thin wall part is provided with a grain or a bulge.

The fluid diverter according to claim 6, wherein: the lower edge of the outer edge part is provided with grains or bulges, and the annular platform is also provided with the grains or the bulges. The fluid diverter according to claim 7, wherein: the lower edge of the outer edge part is provided with grains or bulges, and the annular platform is also provided with the grains or the bulges.

The fluid diverter according to claim 1, wherein: the fluid diverter also includes a drain interface disposed on the container for purging.