CN109488821B

CN109488821B - Fluid conveying pipeline

Info

Publication number: CN109488821B
Application number: CN201811277173.2A
Authority: CN
Inventors: 陆挚译; 张新
Original assignee: Jiangsu Saifudao Pipeline Co ltd
Current assignee: Jiangsu saifudao Pipeline Co.,Ltd.
Priority date: 2018-10-30
Filing date: 2018-10-30
Publication date: 2020-10-27
Anticipated expiration: 2038-10-30
Also published as: CN109488821A

Abstract

The invention belongs to the technical field of pipelines, and particularly relates to a fluid conveying pipeline which comprises a pipe connecting piece, a first pipe unit, a first spring sleeve, a pipe valve and a pipe body cleaning piece, wherein the first pipe unit is connected in a matching way through the pipe connecting piece, and three cylindrical and closed inflation cavities are uniformly distributed in the inner wall of the first pipe unit along the axial direction; both ends of the inflation cavity are provided with air ports; a first air groove is communicated between the air inflation cavities; the pipe valve is arranged between part of adjacent first pipe units and is connected with the first pipe unit through a pipe connecting piece; the pipe body cleaning part is used for cleaning the first detached pipe unit; the first spring sleeve is sleeved on the outer surface of the first pipe unit; the invention has simple structure, convenient use, difficult abrasion of the pipeline and easy disassembly and assembly; meanwhile, the invention solves the problems of low non-Newtonian fluid conveying efficiency and difficult cleaning of the conveying pipeline.

Description

Fluid conveying pipeline

Technical Field

The invention belongs to the technical field of pipelines, and particularly relates to a fluid conveying pipeline.

Background

non-Newtonian fluids, are fluids that do not satisfy the experimental laws of Newtonian viscosity, i.e., fluids whose shear stress and shear strain rate are not linear. Non-newtonian fluids are widely found in life, production and nature. Most biological fluids belong to the non-newtonian fluids now defined. Various body fluids such as blood, lymph fluid and cyst fluid of human body, and "semifluid" such as cytoplasm belong to non-Newtonian fluid; concentrated solutions and suspensions of high molecular polymers, petroleum, slurries, coal-water slurries, ceramic slurries, pulp, paints and the like, and various types of pasty food materials in the food industry, such as tomato juice, starch solution, egg white, apple pulp, concentrated sugar water, rice flour dough, surimi, minced meat and the like, are also non-newtonian fluids.

When the non-Newtonian fluid is conveyed, the non-Newtonian fluid is generally difficult to convey than the Newtonian fluid, so that the conveying pipeline is always required to be kept as a straight pipe as much as possible so as to improve the conveying efficiency of the non-Newtonian fluid; however, the pipeline sometimes needs to turn, so the pipeline cannot be completely conveyed by a straight pipe; meanwhile, after the non-Newtonian fluid is conveyed, the pipeline for conveying the non-Newtonian fluid is generally difficult to clean, so that the invention provides the fluid conveying pipeline which can be changed between a straight pipe and a bent pipe, has high efficiency for conveying the non-Newtonian fluid and is convenient to clean after the conveying is finished.

Disclosure of Invention

In order to make up the defects of the prior art, the fluid conveying pipeline provided by the invention is simple in structure, convenient to use, not easy to wear out, and easy to disassemble and assemble; meanwhile, the pipeline solves the problems that the non-Newtonian fluid conveying efficiency is low and the conveying pipeline is difficult to clean.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a fluid conveying pipeline which comprises a pipe connecting piece, a first pipe unit, a first spring sleeve, a pipe valve and a pipe body cleaning piece, wherein the first pipe unit is connected in a matched mode through the pipe connecting piece; both ends of the inflation cavity are provided with air ports; the air ports are only arranged at two ends of one of the air inflation cavities, a first air groove is communicated between the air inflation cavities, one end of the first air groove is communicated with the air port at one end of one first pipe unit, the other end of the first air groove is communicated with the air port at one end of the adjacent first pipe unit, and the first air groove is detachably connected with the air port; the pipe valve is arranged between part of adjacent first pipe units, and the pipe valve is connected with the first pipe unit through a pipe connecting piece; the pipe body cleaning part is used for cleaning the first detached pipe unit; the first spring sleeve is made of plastic materials and is sleeved on the outer surface of the first pipe unit;

wherein the pipe connector comprises a connector body, a cock and an elastic liner; the connecting body is T-shaped or cross-shaped; the connecting body comprises an air compressing part and at least two pipe connecting parts; the pipe connecting parts are communicated with each other and are used for being connected with the end parts of the first pipe unit or the second pipe unit; the elastic inner container is attached to the inner wall of the connecting body, a first cavity is formed inside the elastic inner container, and an annular convex rib is arranged at the pipe connecting part of the elastic inner container and matched with the annular groove; the first cavity is communicated with the air compression part of the pipe body; the cock is matched with the air compressing part, and the air pressure of the first cavity of the elastic inner container can be increased by moving the cock to the inside of the air compressing part, so that the surface of the elastic inner container is tightly matched with the surface of the first pipe unit to realize sealing;

the pipe valve comprises a valve and a second pipe unit with the same structure as the first pipe unit; the valve is positioned in the middle of the second pipe unit and communicated with the second pipe unit; the second tube unit is far shorter than the first tube unit; the valve is one or more of a stop valve or a regulating valve or a backflow prevention or overflow relief valve. When the pipe valve works, the adjacent first pipe units are connected through the pipe connecting piece, the pipe valve is arranged between the required first pipe units and connected through the pipe connecting piece, the gas of the gas compression part is compressed into the first cavity of the elastic inner container by pressing down and screwing in the cock, the annular convex rib and the annular groove are extruded tightly, so that the part of the non-Newtonian fluid conveying pipe for conveying the non-Newtonian fluid is connected, the first pipe unit can be controlled through the valve, after the part of the non-Newtonian fluid conveying pipe for conveying the non-Newtonian fluid is used, the first pipe unit can be changed into a rigid straight pipe by inflating a gas port in an inflation cavity when the gas pressure is sufficiently high, on one hand, the straight first pipe unit can reduce the turning times of the fluid conveying pipe, so that the fluid conveying pipe is more smooth, the conveying efficiency of the fluid conveying pipe is improved, on the other hand, the air pressure in the inflation cavity is changed intermittently, so that the first pipe unit is changed between rigidity and flexibility, the adhesion between the inner wall of the first pipe unit and non-Newtonian fluid can be reduced, the blockage degree in the fluid conveying pipeline is reduced, and the straight first pipe unit can be cleaned by a pipe body cleaning piece conveniently, and the cleaning efficiency is improved; meanwhile, hot water can be injected into the inflatable cavity, and the non-Newtonian fluid conveyed by the first pipe unit is heated by the hot water; the first spring sleeve can prevent the first pipe unit from being directly contacted with the ground to generate abrasion, so that the service life of the fluid conveying pipeline is prolonged, and meanwhile, the fluid conveying pipeline is prevented from knotting.

An anti-warping assembly is arranged between the air compressing part and the middle part of the elastic inner container; the anti-warping assembly comprises a pressing plate matched with the outer surface of the elastic inner container, an arched elastic sheet and an X-shaped hinge rod; the upper surface of the pressing plate is an inwards concave curved surface, and the lower end of the pressing plate is bonded with the middle surface of the elastic inner container; the inverted position of the arched elastic sheet is arranged on the inner concave surface of the pressing plate, and convex ribs are arranged at two ends of the arched elastic sheet; the X-shaped hinge rod is a rod with two middle lower parts hinged together, the lower end of the X-shaped hinge rod is abutted against the upper end of the arched elastic sheet, the lower end of the X-shaped hinge rod only slides between two convex ribs on the arched elastic sheet, and the upper end of the X-shaped hinge rod is positioned right below the cock. When the pipe cleaning device works, warping often occurs between adjacent pipe units or between a pipe unit and a pipe valve after connection, on one hand, the warping can prevent the adjacent pipe units or between the pipe unit and the pipe valve from being connected in a straight line, the efficiency of conveying non-Newtonian fluid by a fluid conveying pipeline which cannot be in a straight line state is low, the pipe cleaning device is troublesome to clean, and the adhesion degree between the inner wall of the fluid conveying pipeline and the non-Newtonian fluid is increased; therefore, the anti-warping component is arranged between the air compressing part and the middle part of the elastic inner container, the middle part of the elastic inner container is a joint between adjacent tube units or between a tube unit and a tube valve, after the air compressing part is pressed down and screwed in by the cock, the pressed cock extrudes the upper end of the X-shaped hinge rod, on one hand, the force is intensively transmitted to the projecting part at the lower end of the arched elastic sheet after the X-shaped hinge rod is pressed, the pressure is intensively transmitted to the pressure plate, the middle part of the warped elastic inner container is enabled to be pressed by the pressure plate, the warping of the joint between adjacent tube units or between the tube unit and the tube valve is reduced or eliminated, when the stress of the X-shaped hinge rod is larger, the included angle between two rods at the lower end of the X-shaped hinge rod is increased, the two rods at the lower end of the X-shaped hinge rod slide to the convex rib, the two sides of the arched elastic sheet are pressed, the arched sheet is flattened, the pressure plate is changed from point stress to, straightening the fluid conveying pipeline.

An elastic rope is connected between the two rods at the upper part of the X-shaped hinged rod. During operation, after upwards loosening the cock, under the effect of elasticity rope, the contained angle between two articulated levers of X shape articulated lever is by big reduction, and the high rising of X shape articulated lever will support at the cock lower extreme and extrude the cock lower extreme for even the cock is when the loosening, the upper end of X shape articulated lever is in limited motion range, and still the upper end supports and leans on at the cock lower extreme, and the lower extreme supports and leans on the arch shell fragment, can make the arch shell fragment atress reduce.

The pipe cleaning piece comprises a hole plug and an elastic hollow pipe body with one sealed end, elastic scrapers are arranged on the elastic hollow pipe body at intervals, a plurality of holes I are distributed on the curved pipe wall of the elastic hollow pipe body at intervals, and the end part of the elastic hollow pipe body is provided with a water injection or inflation inlet end; threads are arranged on the inner wall of the first hole; the hole plug is made of rubber materials and is in spiral connection with the hole I. When the cleaning device works, the cock is rotated to detach the first pipe unit from the fluid conveying pipeline, the inflation cavity of the first pipe unit is inflated to change the first pipe unit into a rigid straight pipe, the hole plug is plugged into the first upper sealing hole of the first hole on the elastic hollow pipe body, the elastic hollow pipe body is placed into the first pipe unit, the elastic hollow pipe body is externally connected with an air source, the elastic hollow pipe body is expanded to rotate the elastic hollow pipe body, the non-Newtonian fluid attached to the first pipe unit is scraped by an elastic scraper on the elastic hollow pipe body, the non-Newtonian fluid attached to the first pipe unit is intermittently expanded and scraped by changing the pressure of the external air source on the elastic hollow pipe body, the cleaning force of the pipe body cleaning piece on the first pipe unit is favorably improved, the cock on the elastic hollow pipe body is pulled out again, the elastic hollow pipe body is filled with water and rotated, improve the body and wash the cleaning force degree of piece to a pipe unit, can be with the abluent cleaner of fluid conveying pipeline.

A second spring sleeve is sleeved on the pipe body cleaning piece; the outer diameter of the second spring sleeve is equal to the sum of the outer diameter of the elastic hollow pipe body and the length of the elastic scraper, and the end part of the second spring sleeve extends to the outer side of the sealed end of the elastic hollow pipe body. When the cleaning device works, the second spring sleeve is sleeved on the elastic hollow pipe body of the pipe body cleaning piece, so that when the first pipe unit is cleaned, the end part of the second spring sleeve is abutted against the wall, the second spring sleeve is intermittently extruded suddenly, the elastic scraper is extruded at intervals to be bent and then loosened suddenly, the contact position of the elastic scraper and the first pipe unit is changed, and the residual non-Newtonian fluid adhered to the inner wall of the first pipe unit can be better cleaned by the elastic scraper.

The same side surface of the elastic scraper is provided with a clamping groove; the clamping groove is in an arc shape which is concavely curved towards the middle part of the elastic hollow pipe body; and the diameter of a circle formed by the clamping grooves is smaller than the inner diameter of the spring coil of the second spring sleeve. The during operation compresses No. two spring housing, makes No. two spring housing's spring circle extrusion elasticity scraper blade, and elasticity scraper blade is by the extrusion slope for No. two spring housing's spring circle is gone into the draw-in groove by the card, and when releasing No. two spring housing suddenly, the elasticity scraper blade will bounce-back fast, strikes off remaining non-Newton fluid on the pipe unit, is favorable to better with fluid conveying pipeline sanitization, improves the cleaning performance.

The invention has the following beneficial effects:

1. the fluid conveying pipeline can be changed between a rigid straight pipe and a hose as required, the conveying efficiency of non-Newtonian fluid can be improved when the pipeline is the rigid straight pipe, and the pipeline can adapt to the conveying turning of the non-Newtonian fluid when the pipeline is the hose; the pipeline is connected in a multi-section detachable mode, and quick disassembly and quick connection can be achieved.

2. According to the invention, the anti-warping assembly is arranged between the air compressing part and the middle part of the elastic liner, so that the problem of warping of the joint between adjacent pipe units or between the pipe unit and the pipe valve can be effectively solved, the fluid conveying pipeline is straightened, and the conveying efficiency of non-Newtonian fluid is improved.

3. According to the cleaning device, the inflation cavity of the first pipe unit is inflated to enable the first pipe unit to be changed into a rigid straight pipe, the first hole is sealed, the elastic hollow pipe body is externally connected with the air source, the elastic hollow pipe body is expanded, the elastic hollow pipe body is rotated, the non-Newtonian fluid attached to the first pipe unit is scraped by the elastic scraper, the non-Newtonian fluid attached to the first pipe unit is intermittently expanded to scrape by changing the pressure of the external air source on the elastic hollow pipe body, the cleaning force of the pipe body cleaning piece on the first pipe unit is favorably improved, the cock on the elastic hollow pipe body is pulled out, water is injected into the elastic hollow pipe body and rotates, the cleaning force of the pipe body cleaning piece on the first pipe unit is improved, and the fluid conveying pipeline can be cleaned more cleanly.

Drawings

FIG. 1 is a schematic view of the fluid conveying piping structure of the present invention;

FIG. 2 is a schematic structural view of a first tube unit of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of the tube valve construction of the present invention;

FIG. 5 is a cross-sectional view of a tubular cleaning element of the present invention;

FIG. 6 is a diagram showing the positional relationship between the tube cleaning member and the second spring housing according to the present invention;

FIG. 7 is a sectional view taken along line B-B of FIG. 6;

in the figure: the pipe cleaning device comprises a pipe connecting piece 1, a connecting body 11, an air compression part 111, a pipe connecting part 112, a cock 12, an elastic inner container 13, a first cavity 131, a first pipe unit 2, an air inflation cavity 21, an air port 22, a first air groove 23, a first spring sleeve 24, a pipe valve 3, a valve 31, a second pipe unit 32, a pipe body cleaning piece 4, a hole plug 41, an elastic hollow pipe body 42, an elastic scraping plate 43, a second spring sleeve 44, a clamping groove 441, an anti-warping assembly 5, a pressing plate 51, an arched elastic sheet 52, an X-shaped hinge rod 53 and an elastic rope 54.

Detailed Description

A fluid transport pipe according to the present invention will be described below with reference to fig. 1 to 7.

As shown in fig. 1 to 7, the fluid conveying pipeline of the present invention includes a pipe connector 1, a first pipe unit 2, a first spring sleeve 24, a pipe valve 3 and a pipe cleaning member 4, wherein the first pipe unit 2 is connected with the pipe connector 1 in a matching manner, the curved surfaces of the two ends of the first pipe unit 2 are provided with a plurality of annular grooves, the first pipe unit 2 is a plastic hose, and three cylindrical and closed inflation cavities 21 are uniformly distributed in the inner wall of the first pipe unit 2 along the axial direction; air ports 22 are arranged at two ends of the inflation cavity 21; the air ports 22 are only arranged at two ends of one of the air inflation cavities 21, a first air groove 23 is communicated between the air inflation cavities 21, one end of the first air groove 23 is communicated with the air port 22 at one end of one first pipe unit 2, the other end of the first air groove 23 is communicated with the air port 22 at one end of the adjacent first pipe unit 2, and the first air groove 23 is detachably connected with the air port 22; the pipe valve 3 is arranged between part of adjacent first pipe units 2, and the pipe valve 3 is connected with the first pipe units 2 through pipe connecting pieces 1; the pipe body cleaning part 4 is used for cleaning the first pipe unit 2 which is detached; the first spring sleeve 24 is made of plastic materials, and the first spring sleeve 24 is sleeved on the outer surface of the first pipe unit 2;

wherein the pipe connector 1 comprises a connector 11, a cock 12 and an elastic inner container 13; the connecting body 11 is T-shaped or cross-shaped; the connecting body 11 comprises an air compressing part 111 and at least two pipe connecting parts 112; the pipe connecting parts 112 are communicated with each other, and the pipe connecting parts 112 are used for being connected with the end parts of the first pipe unit 2 or the second pipe unit 32; the elastic inner container 13 is attached to the inner wall of the connecting body 11, a first cavity 131 is formed inside the elastic inner container 13, and an annular convex rib is arranged at the pipe connecting part 112 of the elastic inner container 13 and matched with the annular groove; the first cavity 131 is communicated with the air compression part 111 of the pipe body; the cock 12 is matched with the air compressing part 111, and the cock 12 moves towards the inside of the air compressing part 111 to increase the air pressure of the first cavity 131 of the elastic inner container 13, so that the surface of the elastic inner container 13 is tightly matched with the surface of the first pipe unit 2 to realize sealing;

the pipe valve 3 comprises a valve 31 and a second pipe unit 32 which has the same structure as the first pipe unit 2; the valve 31 is positioned in the middle of the second pipe unit 32, and the valve 31 is communicated with the second pipe unit 32; the second tube unit 32 is much shorter than the first tube unit 2; the valve 31 is one or more of a stop valve or a regulating valve or a reverse flow prevention or overflow relief valve. When the non-Newtonian fluid conveying pipe is in use, the first pipe unit 2 can be changed into a rigid straight pipe by inflating the air port 22 in the inflation cavity 21 after the non-Newtonian fluid conveying pipe conveys the non-Newtonian fluid, on one hand, the straight first pipe unit 2 can reduce the turning times of the fluid conveying pipe, so that the fluid conveying pipe is smoother, and the conveying efficiency of the fluid conveying pipe can be improved, on the other hand, the air pressure in the inflation cavity 21 is changed intermittently, so that the first pipe unit 2 is changed between rigidity and flexibility, the adhesion between the inner wall of the first pipe unit 2 and non-Newtonian fluid can be reduced, the blockage degree in a fluid conveying pipeline is reduced, and the straight first pipe unit 2 can be cleaned by the pipe body cleaning piece 4 conveniently, and the cleaning efficiency is improved; meanwhile, hot water can be injected into the inflating cavity 21 to heat the non-Newtonian fluid conveyed by the first pipe unit 2; the first spring sleeve 24 can prevent the first pipe unit 2 from being directly contacted with the ground to generate abrasion, so that the service life of the fluid conveying pipeline is prolonged, and meanwhile, the fluid conveying pipeline is prevented from being knotted.

An anti-warping assembly 5 is arranged between the air compressing part 111 and the middle part of the elastic inner container 13; the anti-tilting assembly 5 comprises a pressing plate 51 matched with the outer surface of the elastic inner container 13, an arched elastic sheet 52 and an X-shaped hinge rod 53; the upper surface of the pressure plate 51 is an inwards concave curved surface, and the lower end of the pressure plate 51 is bonded with the middle surface of the elastic inner container 13; the inverted position of the arched elastic sheet 52 is arranged on the inner concave surface of the pressing plate 51, and convex ribs are arranged at two ends of the arched elastic sheet 52; the X-shaped hinged rod 53 is formed by hinging two middle lower parts together, the lower end of the X-shaped hinged rod 53 is abutted against the upper end of the arched elastic sheet 52, the lower end of the X-shaped hinged rod 53 only slides between two convex ribs on the arched elastic sheet 52, and the upper end of the X-shaped hinged rod 53 is positioned right below the faucet 12. During operation, warping often occurs between adjacent pipe units 2 or between one pipe unit 2 and a pipe valve 3 after connection, on one hand, warping can prevent the adjacent pipe units 2 or between one pipe unit 2 and the pipe valve 3 from being connected in a straight line, the efficiency of conveying non-Newtonian fluid by a fluid conveying pipeline which cannot be in a straight line state is low, cleaning by using a pipe cleaning piece 4 is troublesome, and the adhesion between the inner wall of the fluid conveying pipeline and the non-Newtonian fluid is increased; therefore, the anti-warping assembly 5 is arranged between the air compressing part 111 and the middle part of the elastic inner container 13, the middle part of the elastic inner container 13 is the joint between adjacent tube units 2 or between a tube unit 2 and a tube valve 3, when the air compressing part 111 is pressed down and screwed in by the cock 12, the pressed cock 12 extrudes the upper end of the X-shaped hinge rod 53, on one hand, the X-shaped hinge rod 53 is pressed to transmit the force to the protruded part at the lower end of the arched elastic sheet 52 in a concentrated manner, the pressure is transmitted to the pressure plate 51 in a concentrated manner, the pressure plate 51 enables the middle part of the warped elastic inner container 13 to reduce or eliminate the warping at the joint between adjacent tube units 2 or between the tube unit 2 and the tube valve 3, when the X-shaped hinge rod 53 is stressed in a larger manner, the included angle between the two rods at the lower end of the X-shaped hinge rod 53 is increased, the two rods at the lower end of the X-shaped hinge rod 53 slide to the convex rib, the two sides of the arched elastic sheet 52 are pressed, the pressure plate 51 is changed from point stress to surface stress, and the warping position of the elastic inner container 13 is pressed down, so that the fluid conveying pipeline is straightened.

An elastic rope 54 is connected between the two upper rods of the X-shaped hinged rod 53. During operation, after the cock 12 is unscrewed upwards, under the action of the elastic rope 54, the included angle between the two hinged rods of the X-shaped hinged rod 53 is greatly reduced, the X-shaped hinged rod 53 is highly lifted to abut against the lower end of the cock 12 and extrude the lower end of the cock 12, so that even when the cock 12 is unscrewed, the upper end of the X-shaped hinged rod 53 is still abutted against the lower end of the cock 12 in a limited movement range, the lower end of the X-shaped hinged rod is abutted against the arched elastic sheet 52, and the stress of the arched elastic sheet 52 is reduced.

The pipe cleaning part 4 comprises a hole plug 41 and an elastic hollow pipe body 42 with one sealed end, elastic scraping plates 43 are arranged on the elastic hollow pipe body 42 at intervals, a plurality of holes I are distributed on the curved pipe wall of the elastic hollow pipe body 42 at intervals, and a water injection or air inflation end is arranged at the end part of the elastic hollow pipe body 42; threads are arranged on the inner wall of the first hole; the hole plug 41 is made of rubber materials, and the hole plug 41 is spirally connected with the hole. When the device works, the cock 12 is rotated to detach the first pipe unit 2 from the fluid conveying pipeline, the inflation cavity 21 of the first pipe unit 2 is inflated to change the first pipe unit 2 into a rigid straight pipe, the hole plug 41 is plugged into the first upper sealing hole of the first hole on the elastic hollow pipe body 42, the elastic hollow pipe body 42 is placed into the first pipe unit 2, the elastic hollow pipe body 42 is externally connected with an air source to expand the elastic hollow pipe body 42, the elastic hollow pipe body 42 is rotated, the non-Newtonian fluid attached to the first pipe unit 2 is scraped by the elastic scraping plate 43 on the elastic hollow pipe body 42, the non-Newtonian fluid attached to the first pipe unit 2 is intermittently expanded and scraped by changing the pressure of the external air source on the elastic hollow pipe body 42, the cleaning force of the pipe body cleaning piece 4 on the first pipe unit 2 is favorably improved, and the cock 12 on the elastic hollow pipe body 42 is pulled out again, to filling water and rotating in the hollow body 42 of elasticity, improve body cleaning member 4 and to a tub unit 2's washing dynamics, can be with the abluent cleaner of fluid conveying pipeline.

A second spring sleeve 44 is sleeved on the pipe cleaning piece 4; the outer diameter of the second spring sleeve 44 is equal to the sum of the outer diameter of the elastic hollow tube 42 and the length of the elastic scraper 43, and the end of the second spring sleeve 44 extends to the outside of the sealed end of the elastic hollow tube 42. When the cleaning device works, the second spring sleeve 44 is sleeved on the elastic hollow pipe body 42 of the pipe body cleaning piece 4, so that when the first pipe unit 2 is cleaned, the end part of the second spring sleeve 44 abuts against the wall, the second spring sleeve 44 is intermittently and suddenly extruded, the elastic scraper 43 is extruded and bent at intervals and then suddenly loosened, the contact position of the elastic scraper 43 and the first pipe unit 2 is changed, and the residual non-Newtonian fluid adhered on the inner wall of the first pipe unit 2 can be better cleaned by the elastic scraper 43.

The same side surface of the elastic scraper 43 is provided with a clamping groove 441; the clamping groove 441 is in an arc shape which is concavely curved towards the middle part of the elastic hollow tube body 42; and the diameter of the circle formed by the plurality of clamping grooves 441 is smaller than the inner diameter of the spring coil of the second spring sleeve 44. During operation, the second spring sleeve 44 is compressed, the spring coil of the second spring sleeve 44 extrudes the elastic scraper 43, the elastic scraper 43 is extruded and inclined, the spring coil of the second spring sleeve 44 is clamped into the clamping groove 441, and when the second spring sleeve 44 is released suddenly, the elastic scraper 43 rebounds quickly to scrape off residual non-Newtonian fluid on the first pipe unit 2, so that the fluid conveying pipeline can be cleaned better, and the cleaning effect is improved.

The specific working process is as follows:

when the non-Newtonian fluid conveying pipe is used for conveying non-Newtonian fluid, the first pipe unit 2 can be controlled through the valve 31, after the non-Newtonian fluid conveying pipe is used for conveying the non-Newtonian fluid, the first pipe unit 2 is inflated through the air port 22 in the inflation cavity 21, and when the air pressure is large enough, the first pipe unit 2 can be changed into a rigid straight pipe; the anti-warping component 5 is arranged between the air compression part 111 and the middle part of the elastic inner container 13, the middle part of the elastic inner container 13 is a joint between adjacent tube units 2 or between a tube unit 2 and a tube valve 3, after the air compression part 111 is pressed down and screwed in by the cock 12, the pressed cock 12 extrudes the upper end of the X-shaped hinge rod 53, the X-shaped hinge rod 53 is pressed to transmit the force to the sharp part at the lower end of the arched elastic sheet 52 in a centralized manner, the pressure is transmitted to the pressing plate 51 in a centralized manner, so that the pressing plate 51 can transmit the middle part of the warped elastic inner container 13 to reduce or eliminate the warping of the joint between the adjacent tube units 2 or between the tube unit 2 and the tube valve 3; after the cock 12 is unscrewed upwards, under the action of the elastic rope 54, the included angle between the two hinged rods of the X-shaped hinged rod 53 is greatly reduced, the X-shaped hinged rod 53 rises to abut against the lower end of the cock 12 and extrude the lower end of the cock 12, so that even if the cock 12 is unscrewed, the upper end of the X-shaped hinged rod 53 still abuts against the lower end of the cock 12 in a limited movement range, and the lower end abuts against the arched elastic sheet 52, so that the stress on the arched elastic sheet 52 is reduced;

when cleaning the main parts of the fluid conveying pipeline, the cock 12 is rotated to detach the first pipe unit 2 from the fluid conveying pipeline, the inflation cavity 21 of the first pipe unit 2 is inflated to change the first pipe unit 2 into a rigid straight pipe, the hole plug 41 is plugged into the first upper sealing hole on the elastic hollow pipe body 42, the elastic hollow pipe body 42 is placed into the first pipe unit 2, the elastic hollow pipe body 42 is externally connected with an air source to expand the elastic hollow pipe body 42, the elastic hollow pipe body 42 is rotated, the non-Newtonian fluid attached to the first pipe unit 2 is scraped by the elastic scraping plate 43 on the elastic hollow pipe body 42, the pressure of the external air source on the elastic hollow pipe body 42 is changed to intermittently expand the elastic hollow pipe body 42 to scrape the non-Newtonian fluid attached to the first pipe unit 2, which is favorable for improving the cleaning force of the pipe body cleaning piece 4 on the first pipe unit 2, thirdly, the cock 12 on the elastic hollow pipe body 42 is pulled out, water is injected into the elastic hollow pipe body 42 and the elastic hollow pipe body is rotated, so that the cleaning force of the pipe body cleaning piece 4 on the first pipe unit 2 is improved, and the fluid conveying pipeline can be cleaned more cleanly;

the second spring sleeve 44 is sleeved on the elastic hollow pipe body 42 of the pipe body cleaning part 4, so that when the first pipe unit 2 is cleaned, the end part of the second spring sleeve 44 is abutted against the wall, the second spring sleeve 44 is intermittently extruded suddenly, the elastic scraper 43 is extruded at intervals to be bent and then loosened suddenly, the contact position of the elastic scraper 43 and the first pipe unit 2 is changed, and the residual non-Newtonian fluid adhered on the inner wall of the first pipe unit 2 can be better cleaned by the elastic scraper 43; meanwhile, the second spring sleeve 44 is compressed, the spring coil of the second spring sleeve 44 extrudes the elastic scraper 43, the elastic scraper 43 is extruded and inclined, the spring coil of the second spring sleeve 44 is clamped in the clamping groove 441, and when the second spring sleeve 44 is released suddenly, the elastic scraper 43 rebounds quickly to scrape the residual non-Newtonian fluid on the first pipe unit 2, so that the cleaning of the fluid conveying pipeline is facilitated, and the cleaning effect is improved.

While one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.

Industrial applicability

According to the invention, the fluid conveying pipeline can be changed between a rigid straight pipe and a hose as required, the conveying efficiency of the non-Newtonian fluid can be improved when the pipeline is the rigid straight pipe, and the non-Newtonian fluid conveying pipeline can adapt to turning during conveying of the non-Newtonian fluid when the pipeline is the hose; the pipeline is in multi-section detachable connection, and can realize quick disassembly and quick connection; the fluid transport conduit is therefore useful in the field of pipeline technology.

Claims

1. A fluid transport conduit, characterized by: the pipe cleaning device comprises a pipe connecting piece (1), a first pipe unit (2), a first spring sleeve (24), a pipe valve (3) and a pipe body cleaning piece (4), wherein the first pipe unit (2) is connected with the first pipe unit in a matched mode through the pipe connecting piece (1), a plurality of annular grooves are formed in the curved surfaces of the two ends of the first pipe unit (2), the first pipe unit (2) is a plastic hose, and three cylindrical and closed inflation cavities (21) are uniformly distributed in the inner wall of the first pipe unit (2) along the axial direction; both ends of the inflation cavity (21) are provided with air ports (22); the air ports (22) are only arranged at two ends of one of the air inflation cavities (21), and a first air groove (23) is communicated between the air inflation cavities (21); the pipe valve (3) is arranged between part of adjacent pipe units (2), and the pipe valve (3) is connected with the pipe unit (2) through a pipe connecting piece (1); the pipe body cleaning part (4) is used for cleaning the first pipe unit (2) which is detached; the first spring sleeve (24) is made of plastic materials, and the first spring sleeve (24) is sleeved on the outer surface of the first pipe unit (2); wherein the pipe connector (1) comprises a connector (11), a cock (12) and an elastic liner (13); the connecting body (11) is T-shaped or cross-shaped; the connecting body (11) comprises a gas compression part (111) and at least two pipe connecting parts (112); the pipe connecting parts (112) are communicated with each other, and the pipe connecting parts (112) are used for being connected with the end parts of the first pipe unit (2) or the second pipe unit (32); the elastic inner container (13) is attached to the inner wall of the connecting body (11), a first cavity (131) is formed inside the elastic inner container (13), and an annular convex rib is arranged at the position of the pipe connecting part (112) of the elastic inner container (13); the first cavity (131) is communicated with the air compression part (111) of the pipe body; the cock (12) is matched with the air compression part (111), and the cock (12) moves towards the inside of the air compression part (111) to increase the air pressure of a first cavity (131) of the elastic inner container (13) so that the surface of the elastic inner container (13) is tightly matched with the surface of a first pipe unit (2) to realize sealing; the pipe valve (3) comprises a valve (31) and a second pipe unit (32) which has the same structure as the first pipe unit (2); the valve (31) is positioned in the middle of the second pipe unit (32), and the valve (31) is communicated with the second pipe unit (32); the second tube unit (32) is far shorter than the first tube unit (2);

an anti-warping component (5) is arranged between the air compressing part (111) and the middle part of the elastic inner container (13); the anti-warping component (5) comprises a pressing plate (51) matched with the outer surface of the elastic inner container (13), an arched elastic sheet (52) and an X-shaped hinge rod (53); the upper surface of the pressure plate (51) is an inwards concave curved surface, and the lower end of the pressure plate (51) is bonded with the middle surface of the elastic inner container (13); the inverted direction of the arched elastic sheet (52) is arranged on the inner concave surface of the pressing plate (51), and convex ribs are arranged at two ends of the arched elastic sheet (52); the X-shaped hinge rod (53) is formed by hinging two middle lower parts together, the lower end of the X-shaped hinge rod (53) is abutted against the upper end of the arched elastic sheet (52), the lower end of the X-shaped hinge rod (53) only slides between two convex ribs on the arched elastic sheet (52), and the upper end of the X-shaped hinge rod (53) is positioned under the faucet (12).

2. A fluid transport conduit according to claim 1, wherein: an elastic rope (54) is connected between the two upper rods of the X-shaped hinged rod (53).

3. A fluid transport conduit according to claim 2, wherein: the pipe body cleaning part (4) comprises a hole plug (41) and an elastic hollow pipe body (42) with one sealed end, elastic scraping plates (43) are arranged on the elastic hollow pipe body (42) at intervals, a plurality of holes I are distributed on the curved pipe wall of the elastic hollow pipe body (42) at intervals, and a water injection or air inflation end is arranged at the end part of the elastic hollow pipe body (42); threads are arranged on the inner wall of the first hole; the hole plug (41) is made of rubber materials, and the hole plug (41) is in spiral connection with the hole.

4. A fluid transport conduit according to claim 3, wherein: a second spring sleeve (44) is sleeved on the pipe body cleaning piece (4); the outer diameter of the second spring sleeve (44) is equal to the sum of the outer diameter of the elastic hollow pipe body (42) and the length of the elastic scraper (43), and the end part of the second spring sleeve (44) extends to the outer side of the sealed end of the elastic hollow pipe body (42).

5. A fluid transport conduit according to claim 4, wherein: the same side surface of the elastic scraper (43) is provided with a clamping groove (441); the clamping groove (441) is in an arc shape which is concavely curved towards the middle part of the elastic hollow pipe body (42); and the diameter of a circle formed by the clamping grooves (441) is smaller than the inner diameter of the spring coil of the second spring sleeve (44).