CN109827013B

CN109827013B - Pressure boost rubber oil delivery pipe

Info

Publication number: CN109827013B
Application number: CN201910017719.9A
Authority: CN
Inventors: 吴春芳; 吴兰坤; 吴宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-09
Filing date: 2019-01-09
Publication date: 2021-03-02
Anticipated expiration: 2039-01-09
Also published as: CN109827013A

Abstract

The invention discloses a novel supercharged rubber oil conveying pipe which comprises a pipeline and is characterized in that the pipeline consists of an inner layer, a cementing layer, a framework layer and an outer layer, wherein the inner layer and the outer layer are both made of rubber materials, and the framework layer is a metal net layer; a gap of 2-4cm is formed between the framework layer and the outer layer, a plurality of arc-shaped pieces which are circumferentially arranged are arranged in the gap at equal intervals, and the outer arc surfaces of the arc-shaped pieces face the outer layer and are glued with the outer layer. The invention adopts a multilayer compression-resistant design, a gap of 2-4cm is formed between the framework layer and the outer layer, a plurality of arch sheets which are circumferentially arranged are equidistantly arranged in the gap, the outer arc surfaces of the arch sheets face the outer layer and are glued with the outer layer, two ports of the arch sheets face the framework layer and are fixedly connected with the framework layer, the arch sheets have the function of transmitting force applied to the arch sheets to the circumferential direction, and air between the gap of the framework layer and the gap of the outer layer can be regarded as incompressible air, so that the effect similar to that of an air spring can be realized.

Description

Pressure boost rubber oil delivery pipe

Technical Field

The invention relates to the technical field of rubber oil pipelines, in particular to a pressurized rubber oil pipeline.

Background

The rubber pipe belt industry in China has developed for more than 50 years, and plays an indispensable role in national economy. The oil delivery pipe is a common pipe fitting in machinery such as automobiles, chemical engineering, food and the like, wherein the hydraulic rubber hose is widely applied, is mainly used for mining hydraulic supports of mines and oil fields, and is suitable for conveying petroleum-based (such as mineral oil, soluble oil, hydraulic oil, fuel oil and lubricating oil) liquid, water-based liquid, gas and the like with certain pressure and temperature and for liquid transmission in engineering construction, hoisting transportation, metallurgical forging and pressing, mining equipment, ships, injection molding machinery, agricultural machinery, various machine tools and mechanized and automatic hydraulic systems of various industrial departments.

The oil pipe is in the transportation because the transportation personnel are neglected or the transportation is improper, easily causes the destruction to the screw thread of oil pipe, probably leads to the unable normal connection of oil pipe screwed joint or even inefficacy, causes oil pipe to carry out secondary operation, and serious probably leads to oil pipe to scrap, has not only increased work load, has still increased the cost, therefore needs to change urgently.

Disclosure of Invention

The invention aims to solve the problems and provides a pressurized rubber oil conveying pipe.

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

a pressurized rubber oil conveying pipe comprises a pipeline, wherein the pipeline consists of an inner layer, a cementing layer, a framework layer and an outer layer, the inner layer and the outer layer are both made of rubber materials, and the framework layer is a metal mesh layer;

a gap of 2-4cm is formed between the framework layer and the outer layer, a plurality of arch pieces which are circumferentially arranged are arranged in the gap at equal intervals, the outer arc surfaces of the arch pieces face the outer layer and are glued with the outer layer, and two ports of the arch pieces face the framework layer and are fixedly connected with the framework layer;

two first clamping blocks are symmetrically attached to the outer sides of the ports of the adjacent pipelines, a second clamping block is attached to the inner side of the port of the adjacent pipeline, the two first clamping blocks form an annular structure together after being attached, the second clamping block is of the annular structure, one ends, far away from the pipelines, of the second clamping blocks on the two sides are fixedly connected with a progressive portion, one side, far away from the second clamping block, of the progressive portion is fixedly connected with a connecting portion, and the connecting portion is of the annular structure;

the connecting portion is provided with a groove in the middle of one outer side in the axial direction, a locking member capable of driving the two first clamping blocks to move close to or away from each other is arranged in the groove, and the two first clamping blocks can be matched with the second clamping block to lock the pipeline when being away from each other under the action of the locking member.

Preferably, the progressive portion is of a truncated cone type structure.

Preferably, the second clamping block, the gradual portion and the connecting portion are made of an integrally molded structure.

Preferably, the retaining member is a two-way screw rod, left-handed screw thread has been seted up to one side of two-way screw rod, right-handed screw thread has been seted up to the opposite side of two-way screw rod, the cross-section of first clamp splice is L type structure, one of them the afterbody fixedly connected with left-handed nut of first clamp splice, left-handed nut and left-handed screw thread fit, another the afterbody fixedly connected with right-handed nut of first clamp splice, right-handed nut and right-handed screw thread fit.

Preferably, a plurality of notches are formed in the inner side and the outer side of the pipeline, which are in contact with the first clamping block and the second clamping block, at equal distances, and protrusions matched with the notches are fixedly connected to one sides, close to the pipeline, of the first clamping block and one sides, close to the pipeline, of the second clamping block, of the first clamping block.

Preferably, the cross section of the protrusion is of an arc structure, and the protrusion is made of an integrally formed structure with the first clamping block and the second clamping block respectively.

Preferably, the space in the connecting portion is axially provided with at least two outer spacers, the outer spacers are arranged in parallel with the inner wall of the connecting portion, the space in the connecting portion is axially provided with at least one inner spacer, the inner spacers are located between two adjacent outer spacers and arranged in parallel with the outer spacers, the inner space of the connecting portion is divided into a plurality of independent spacers by the outer spacers and the inner spacers, and fluid entering the connecting portion can be conveyed through the spacers in a separated mode.

Preferably, one side of the connecting portion is defined as a liquid inlet, the other side of the connecting portion is defined as a liquid outlet, one side of the outer spacer, which is close to the liquid outlet, is fixedly connected with a flow guide block pointing to the axis of the connecting portion, the flow guide blocks on the two sides jointly form a collection port for collecting fluid, and the fluid conveyed by the partition can be combined through the collection port.

Compared with the prior art, the invention has the following advantages:

the invention adopts a multilayer compression-resistant design, a gap of 2-4cm is formed between the framework layer and the outer layer, a plurality of arch sheets which are circumferentially arranged are equidistantly arranged in the gap, the outer arc surfaces of the arch sheets face the outer layer and are glued with the outer layer, two ports of the arch sheets face the framework layer and are fixedly connected with the framework layer, the arch sheets have the function of transmitting force applied to the arch sheets to the circumferential direction, and air between the gap of the framework layer and the gap of the outer layer can be regarded as incompressible air, so that the effect similar to that of an air spring can be realized.

According to the invention, through the practical matching of the first clamping block and the second clamping block and the matching of the notch and the bulge, the tight fixation of the pipelines at two sides can be realized, the surface area of the notch and the bulge can be increased on the basis of not increasing the linear distance, on one hand, the uneven connection position can be increased, the friction force is increased, the separation is prevented, and on the other hand, the sealing performance can be increased.

The space in the connecting part is axially provided with at least two outer spacers, the outer spacers are arranged in parallel with the inner wall of the connecting part, the space in the connecting part is axially provided with at least one inner spacer, the inner spacers are positioned between two adjacent outer spacers and are arranged in parallel with the outer spacers, the inner space of the connecting part is divided into a plurality of independent spacers by the outer spacers and the inner spacers, and fluid entering the connecting part can be conveyed in a separated mode through the spacers. One side of connecting portion is defined as the inlet, and the opposite side of connecting portion is defined as the liquid outlet, and the outer spacer is close to the drainage piece of the directional connecting portion axis of one side fixedly connected with of liquid outlet, constitutes a mouthful that converges that is used for assembling fluid jointly between the drainage piece of both sides, and the fluid of carrying can merge via the mouth that converges via the interlayer separation, can be with the even gathering again of fluid dispersion to can steadily with the fluid pressure boost in the pipeline, and flow out in the pipeline of opposite side.

Drawings

FIG. 1 is a schematic structural view of a pressurized rubber oil pipeline according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is a cross-sectional view taken along line a-a of fig. 1 in accordance with the present invention.

In the figure: 1 pipeline, 2 progressive parts, 3 first clamping blocks, 4 connecting parts, 5 two-way screws, 51 left-hand threads, 52 right-hand threads, 6 second clamping blocks, 7 notches, 8 bulges, 9 inner layers, 10 cementing layers, 11 and 12 arched sheets, 13 outer layers, 14 liquid inlets, 15 liquid outlets, 16 outer spacers, 17 inner spacers, 18 spacers, 19 flow guide blocks and 20 collecting ports.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the present invention, unless otherwise specifically stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood broadly, and may be, for example, welded, bolted, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise.

Referring to fig. 1 to 4, a pressurized rubber oil pipeline comprises a pipeline 1, wherein the pipeline 1 is composed of an inner layer 9, a cementing layer 10, a framework layer 11 and an outer layer 13, the inner layer 9 and the outer layer 13 are both made of rubber materials, the framework layer 11 is a metal mesh layer, and the cementing layer 10 is used for providing a bonding effect for the inner layer 9 and the framework layer 11.

Referring to fig. 4, a gap of 2-4cm is provided between the frame layer 11 and the outer layer 13, a plurality of arc-shaped pieces 12 arranged circumferentially are equidistantly arranged in the gap, the outer arc surfaces of the arc-shaped pieces 12 face and are glued with the outer layer 13, two ports of the arc-shaped pieces 12 face and are fixedly connected with the frame layer 11, the arc-shaped pieces 12 are used for transmitting force applied on the arc-shaped pieces 12 to the circumferential direction, and air between the gap of the frame layer 11 and the outer layer 13 can be regarded as incompressible air, so that the air can function like an air spring.

Two first clamping blocks 3 are symmetrically attached to the outer sides of the ports of the adjacent pipelines 1, a second clamping block 6 is attached to the inner side of the port of the adjacent pipeline 1, the two first clamping blocks 3 form an annular structure after being attached to each other, and the second clamping block 6 is of the annular structure.

Further, referring to fig. 3, a plurality of notches 7 are opened to the equal distance in the inside and outside both sides that pipeline 1 and first clamp splice 3 and second clamp splice 6 contacted, and the equal fixedly connected with of one side that first clamp splice 3 and second clamp splice 6 are close to pipeline 1 is with the arch 8 that notch 7 cooperation was used.

Preferably, the cross section of the protrusion 8 is an arc-shaped structure, and the protrusion 8 is made of an integrally formed structure with the first clamping block 3 and the second clamping block 6 respectively. The surface area of the notch 7 and the protrusion 8 can be increased on the basis of not increasing the linear distance, so that on one hand, the unevenness of the joint can increase the friction force, the separation is prevented, and on the other hand, the sealing performance can be increased.

The equal fixedly connected with of one end of pipeline 1 is kept away from to the second clamp splice 6 of both sides is gradual portion 2, and gradual portion 2 keeps away from one side fixedly connected with connecting portion 4 of second clamp splice 6, and connecting portion 4 adopts the loop configuration.

Preferably, the progressive part 2 adopts a circular truncated cone structure, and the second clamping block 6, the progressive part 2 and the connecting part 4 are made of an integrally formed structure, and the integrally formed structure has better mechanical performance.

The middle part of one side of the connecting part 4, which is close to the outside, is axially provided with a groove, a locking part which can drive the two first clamping blocks 3 to mutually approach or keep away from the movement is arranged in the groove, and the two first clamping blocks 3 can be matched with the second clamping block 6 to lock the pipeline 1 when being mutually kept away under the action of the locking part.

Specifically, referring to fig. 2, the locking member is a bidirectional screw 5, one side of the bidirectional screw 5 is provided with left-handed threads 51, the other side of the bidirectional screw 5 is provided with right-handed threads 52, the cross section of the first clamping block 3 is of an L-shaped structure, the tail of one of the first clamping blocks 3 is fixedly connected with a left-handed nut, the left-handed nut is in threaded fit with the left-handed threads 51, the tail of the other one of the first clamping blocks 3 is fixedly connected with a right-handed nut, and the right-handed nut is in threaded fit with the right-handed threads 52. The locking piece has the effects that when the bidirectional screw 5 is rotated through tools such as a wrench and the like, the first clamping blocks 3 on two sides can be driven to move close to or away from each other, and when the bidirectional screw moves away from each other, the locking piece can be matched with and clamped by the second clamping block 6.

Further, referring to fig. 1, the space in the connecting portion 4 is axially provided with at least two outer spacers 16, the outer spacers 16 are arranged in parallel with the inner wall of the connecting portion 4, the space in the connecting portion 4 is axially provided with at least one inner spacer 17, the inner spacer 17 is located between two adjacent outer spacers 16 and is arranged in parallel with the outer spacers 16, the outer spacers 16 and the inner spacers 17 divide the inner space of the connecting portion 4 into a plurality of independent spacers 18, and the fluid entering the connecting portion 4 can be separately conveyed through the spacers 18.

Further, referring to fig. 1, one side of the connecting portion 4 is defined as a liquid inlet 14, the other side of the connecting portion 4 is defined as a liquid outlet 15, one side of the outer spacer 16 close to the liquid outlet 15 is fixedly connected with a flow guide block 19 pointing to the axis of the connecting portion 4, the flow guide blocks 19 at the two sides together form a collection port 20 for collecting fluid, the fluid conveyed by separation through the spacer 18 can be combined through the collection port 20, the fluid can be dispersed and then uniformly collected, and therefore the fluid in the pipeline can be smoothly pressurized and flows out from the pipeline at the other side.

The previous description is provided to enable any person skilled in the art to practice the various aspects described herein. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects. Thus, the claims are not intended to be limited to the aspects shown herein, but is to be accorded the full scope consistent with the language claims, wherein reference to an element in the singular is not intended to mean "one and only one" unless specifically so stated, but rather "one or more. The term "exemplary" is used herein to mean "serving as an example, instance, or illustration. Any aspect described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other aspects. The term "some" means one or more unless specifically stated otherwise. All structural and functional equivalents to the elements of the various aspects described throughout this disclosure that are known or later come to be known to those of ordinary skill in the art are expressly incorporated herein by reference and are intended to be encompassed by the claims. Moreover, nothing disclosed herein is intended to be dedicated to the public regardless of whether such disclosure is explicitly recited in the claims. No claim element should be construed as a means-plus-function unless the element is explicitly recited using the phrase "means for.

Claims

1. The pressurized rubber oil conveying pipe comprises two pipelines (1) to be connected, and is characterized in that the pipelines (1) are composed of an inner layer (9), a cementing layer (10), a framework layer (11) and an outer layer (13), the inner layer (9) and the outer layer (13) are both made of rubber materials, and the framework layer (11) is a metal net layer;

a gap of 2-4cm is formed between the framework layer (11) and the outer layer (13), a plurality of arc-shaped sheets (12) which are circumferentially arranged are arranged in the gap at equal intervals, the outer arc surfaces of the arc-shaped sheets (12) face the outer layer (13) and are glued with the outer layer, and two ports of the arc-shaped sheets (12) face the framework layer (11) and are fixedly connected with the framework layer;

the outer sides of the adjacent ports of the two pipelines (1) are respectively attached with a first clamping block (3), the two first clamping blocks (3) and the axis between the two pipeline ports in the direction perpendicular to the axis of the two pipelines (1) are symmetrically arranged, the inner sides of the adjacent ports of the two pipelines (1) are respectively attached with a second clamping block (6), the two first clamping blocks (3) are attached to each other to form an annular structure, the second clamping blocks (6) are of the annular structure, one ends, far away from the pipelines (1), of the second clamping blocks (6) on the two sides are fixedly connected with a progressive part (2), one side, far away from the second clamping blocks (6), of the progressive part (2) is fixedly connected with a connecting part (4), and the connecting part (4) is of the annular structure;

a groove is axially formed in the middle of one outer side of the connecting part (4), locking parts capable of driving the two first clamping blocks (3) to move close to or away from each other are arranged in the groove, and the two first clamping blocks (3) can be matched with the second clamping block (6) to lock the pipeline (1) when moving away from each other under the action of the locking parts;

the space in the connecting part (4) is axially provided with at least two outer spacers (16), the outer spacers (16) are arranged in parallel with the inner wall of the connecting part (4), the space in the connecting part (4) is axially provided with at least one inner spacer (17), the inner spacer (17) is positioned between the two adjacent outer spacers (16) and is arranged in parallel with the outer spacers (16), the outer spacers (16) and the inner spacers (17) divide the inner space of the connecting part (4) into a plurality of independent spacers (18), and fluid entering the connecting part (4) can be conveyed in a separated mode through the spacers (18);

a liquid inlet (14) is formed in one side of the connecting part (4), a liquid outlet (15) is formed in the other side of the connecting part (4), a flow guide block (19) pointing to the axis of the connecting part (4) is fixedly connected to one side, close to the liquid outlet (15), of the outer spacer (16), a collecting port (20) for collecting fluid is formed between the flow guide blocks (19) on the two sides, and the fluid conveyed by the partition layer (18) in a separating mode can be combined through the collecting port (20); the progressive part (2) adopts a circular truncated cone structure; the second clamping block (6), the gradual part (2) and the connecting part (4) are made of an integrally formed structure; the locking piece is a bidirectional screw (5), one side of the bidirectional screw (5) is provided with a left-handed thread (51), the other side of the bidirectional screw (5) is provided with a right-handed thread (52), the cross section of each first clamping block (3) is of an L-shaped structure, the tail of one first clamping block (3) is fixedly connected with a left-handed nut, the left-handed nut is in threaded fit with the left-handed thread (51), the tail of the other first clamping block (3) is fixedly connected with a right-handed nut, and the right-handed nut is in threaded fit with the right-handed thread (52); a plurality of notches (7) are formed in the inner side and the outer side of the pipeline (1) which are in contact with the first clamping block (3) and the second clamping block (6) at equal distances, and protrusions (8) matched with the notches (7) are fixedly connected to one sides of the first clamping block (3) and the second clamping block (6) close to the pipeline (1); the cross section of the bulge (8) is of an arc-shaped structure, and the bulge (8) is respectively made of an integrally formed structure together with the first clamping block (3) and the second clamping block (6).