CN210237919U - Multi-layer tubular braided fabric and hose thereof - Google Patents
Multi-layer tubular braided fabric and hose thereof Download PDFInfo
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- CN210237919U CN210237919U CN201920930575.1U CN201920930575U CN210237919U CN 210237919 U CN210237919 U CN 210237919U CN 201920930575 U CN201920930575 U CN 201920930575U CN 210237919 U CN210237919 U CN 210237919U
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Abstract
The utility model provides a multilayer cartridge type knitting and hose thereof, this knitting includes: the n circulation units are formed by tying an outer layer part and an inner layer part through a plurality of tying wefts and penetrating divided warps, wherein the outer layer part is an outer layer fabric which is formed by a plurality of outer layer wefts and penetrating divided warps in a weaving mode and has a single-layer double-twill weave structure, the inner layer part is an inner layer fabric which is formed by a plurality of inner layer wefts and penetrating divided warps in a weaving mode and has a single-layer double-twill weave structure, the warp tying actions of the warps in the outer layer part and the inner layer part and the warp tying actions of the outer layer part and the inner layer part are different, the warp tying actions of the warps are finished by different distributing disks, the warp tying of the outer layer part is conducted by a first distributing disk, the warp tying of the inner layer part is conducted by a second distributing disk, and the warp tying actions of the outer layer part and the inner layer part are conducted by a third distributing disk; the hose includes the above-described multi-layered cylindrical braid and coating layers applied to the inner and outer circumferences thereof.
Description
Technical Field
The utility model relates to a knitting and hose thereof, concretely relates to multilayer cylindric knitting and hose thereof.
Background
With the rapid development of urban construction, various composite hoses are widely applied to remote water supply, flood fighting, rescue, fire fighting, disaster relief, liquid oil and natural gas transportation and the like. In order to increase the compressive strength of the hose, the hose has a fiber-reinforced carcass, i.e., a woven fabric, in the middle of the hose, which is also called a tube stock.
At present, one of a plurality of composite hoses produced at home and abroad is a double-layer composite hose, and the weaving method of a tube blank in the middle layer comprises the following steps: weaving a single-layer plain weave or twill weave, and then manufacturing a double-layer intermediate layer pipe blank by using a method of sleeving an intermediate layer pipe blank outside the intermediate layer pipe blank. The pipe blank of the intermediate layer, which is manufactured by the method, has the advantages that the pipe blank has different calibers of the inner layer and the outer layer, so that the tightness between the inner layer and the outer layer is poor, the pressure resistance and the wear resistance of the pipe blank of the intermediate layer are poor due to the fact that the number of wefts of the fabric used as the pipe blank of the intermediate layer is small, and the strength loss of yarns is large due to the fact that the number of interweaving points between threads of the fabric is large, the torsion degree is large, the service life of the pipe blank of the. In addition, the composite hose produced by the intermediate layer tube blank has rough surface, poor high pressure resistance and poor wear resistance, and the tightness between the inner layer tube blank and the outer layer tube blank is poor, so that the problems of uneven coating thickness, unsmooth surface and the like are easily caused when the composite hose is coated, the surface of the coating is rough, the coating is easy to fall off, the water flow resistance is large, and the double-layer composite hose can not meet the market demand.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in order to solve the above problems, and an object of the present invention is to provide a multi-layered tubular braid and a hose thereof, which can overcome the above disadvantages, have a simple manufacturing method, and can satisfy market demands.
The utility model provides a multilayer cylindric knitting has double-deck two twill organizational structure, has such characteristic, include: the n circulation units are formed by tying an outer layer part and an inner layer part through a plurality of tying wefts and penetrating divided warps, wherein the outer layer part is an outer layer fabric which is formed by a plurality of outer layer wefts and penetrating divided warps and has a single-layer double-twill weave structure, the inner layer part is an inner layer fabric which is formed by a plurality of inner layer wefts and penetrating divided warps and has a single-layer double-twill weave structure, the warp tying actions of the warps in the outer layer part, the inner layer part and the outer layer part and the inner layer part are different, the warp tying actions of the warps are finished by different distributing disks, the warp tying of the outer layer part is carried out by a first distributing disk, the warp tying of the inner layer part is carried out by a second distributing disk, and the warp tying of the outer layer part and the inner layer part is carried out by a third distributing disk.
In the utility model provides an in the cylindric knitting of multilayer, can also have such characteristic: each circulating unit is formed by weaving a first shuttle, a second shuttle and a third shuttle respectively matched with corresponding distributing disks, and an outer layer part with a single-layer double-twill weave structure is formed by weaving warps which are subjected to warp splitting through the first distributing disk in a shuttling manner by driving outer layer wefts to move by the first shuttle; the inner layer part with the single-layer double-twill weave structure is formed by weaving warp yarns which are subjected to warp splitting through a second distributing plate in a shuttling manner by driving the inner layer weft yarns to move through a second shuttle; the multilayer cylindrical woven fabric with the plurality of circulating units is formed by binding third shuttle belts with dynamic binding wefts passing through warps after being divided by a third distributing plate.
In the utility model provides an in the cylindric knitting of multilayer, can also have such characteristic: wherein, the warp, the binding weft, the outer layer weft and the inner layer weft all adopt one of high-strength fiber yarns.
In the utility model provides an in the cylindric knitting of multilayer, can also have such characteristic: wherein the number of warp threads per circulation unit is 8.
In the utility model provides an in the cylindric knitting of multilayer, can also have such characteristic: wherein the total number of warp threads of the multi-layer cylindrical braided fabric is 8n + 6.
The utility model also provides a hose has such characteristic, include: the multilayered cylindrical braid according to any one of the above and a coating layer applied to the inner and outer circumferences of the multilayered cylindrical braid.
In the utility model provides a hose, can also have such characteristic: wherein, the coating of inner periphery and the coating of periphery are polymer elastomer.
Action and effect of the utility model
According to the utility model relates to a multilayer cylindric knitting because have double-deck double twill organizational structure, so the interlacing point between line and the line is many to make this knitting compare in other knitting inseparabler, and non-deformable, in addition when weaving through tying up weft with outer part and inlayer part tying together, need not separately to weave alone, further strengthened fastness and wearability, thereby make life obtain the improvement.
According to the utility model relates to a hose, adopt the multilayer cylindric knitting of embodiment one as the intermediate level pipe of hose, because the resistance to pressure, wearability, compliance and the life of this multilayer cylindric knitting have all obtained improving, so can overcome the problem that traditional double-deck compound hose that has double-deck sleeve pipe intermediate level pipe exists not high pressure resistant, the wearability is poor and the compliance is poor. Because the compactness of multilayer cylindric knitting is high, so the thickness of coating is even, the surface is smooth to overcome the surperficial roughness of the coating of current hose, easily drop, the big scheduling problem of water resistance, made it can satisfy market demand and have very high practical value and fine marketing nature.
To sum up, the utility model discloses the hose has adopted the multilayer cylindric knitting that has double-deck two twill organizational structure for the bearing capacity of hose improves by a wide margin, and the wearability has also obtained the improvement, can also be when having broken through the bearing capacity with the aperture hose, and the elongation and the expansion ratio that make the hose are all lower, thereby make the hose can have network column structure and peel strength height under the low condition of expansion ratio, the coating is difficult for droing, in addition, still be applicable to remote water supply fuel feeding or other gas, the transmission of liquid, wide application prospect has.
Drawings
Fig. 1 is a schematic view of a binding structure of a multi-layered cylindrical braid in an embodiment of the present invention.
Detailed Description
In order to make the technical means and functions of the present invention easy to understand, the present invention will be described in detail with reference to the following embodiments and accompanying drawings.
< example one >
Fig. 1 is a schematic view of a binding structure of a multi-layered cylindrical braid in an embodiment of the present invention.
In fig. 1, 1 is a first shuttle first ring, 2 is a first shuttle second ring, 3 is a first shuttle third ring, 4 is a first shuttle fourth ring, 5 is a second shuttle first ring, 6 is a second shuttle second ring, 7 is a second shuttle third ring, 8 is a second shuttle fourth ring, 9 is a third shuttle first ring, 10 is a third shuttle second ring, 11 is a third shuttle third ring, 12 is a third shuttle fourth ring, B, C, E, F is an outer layer weft on the first shuttle, H, I, J, K is an inner layer weft on the second shuttle, A, D, G, L is a binding weft on the third shuttle, and i, ii, iii, iv, v, vi, vii, viii are warps.
As shown in fig. 1, the multilayered cylindrical braid of the present embodiment has a double-layer double-twill weave structure including: n circulation units.
The n circulation units are bound by the outer layer portion and the inner layer portion by the binding weft A, D, G, L passing through the divided warp.
The number of warp threads of each circulating unit is 8, the warp threads are respectively warp threads I, warp threads II, warp threads III, warp threads IV, warp threads V, warp threads VI, warp threads VII and warp threads VIII, and the total number of warp threads of the multilayer cylindrical woven fabric is 8n + 6.
The outer layer portion is an outer layer fabric having a single-layer double twill weave structure formed by weaving outer layer weft yarn B, C, E, F through divided warp yarns.
The inner layer portion is an inner layer fabric having a single-layer double twill weave structure formed by weaving the inner layer weft H, I, J, K through the divided warp.
The warp I, the warp II, the warp III, the warp IV, the warp V, the warp VI, the warp VII and the warp VIII are divided by different wire distribution plates when the outer layer part, the inner layer part, the outer layer part and the inner layer part are bound, the warp of the outer layer part is divided by a first wire distribution plate, the warp of the inner layer part is divided by a second wire distribution plate, and the warp of the outer layer part and the inner layer part when the outer layer part and the inner layer part are bound is divided by a third wire distribution plate.
The warp, the binding weft, the outer layer weft and the inner layer weft are all made of one of high-strength fiber yarns.
The multilayer cylindrical braided fabric of the embodiment is braided by matching a shuttle and a distributing terminal plate of the braiding equipment, and the braiding process comprises the following steps:
First wire distributor divides warp to include four branch warp actions: one upper five lower one upper one lower one, one upper one lower one upper five lower one, two lower one upper one lower one upper three lower, four lower one upper one lower one.
And 2, driving the inner layer weft H, I, J, K to move by the second shuttle, so that the inner layer weft shuttles between the warps subjected to secondary warp splitting through the second distributing plate to weave, and obtaining the inner layer part with the single-layer double-twill weave structure.
The second wire distributing plate divides the warp threads to include four warp dividing actions: the upper part, the lower part, the upper part, the lower part.
And 3, enabling the third shuttle to carry out dynamic binding on the weft A, D, G, L to penetrate through the warps subjected to warp separation by the third distributing board for binding, so that the outer layer part and the inner layer part are connected, and the multilayer cylindrical braided fabric with a plurality of circulating units is obtained.
The third wire distributing plate divides the warp into four warp dividing actions: two-over-one-under-one-over-one-under-two, two-over-one-under-two, one-over-one-under-two, one-over-one-under-one-over-one.
Effect of the first embodiment
According to the multi-layer cylindrical woven fabric related to the first embodiment, because the double-layer double-twill weave structure is provided, the number of the interlacing points between the threads is large, so that the woven fabric is tighter and less prone to deformation compared with other woven fabrics, and in addition, the outer layer part and the inner layer part are bound together through the binding weft threads during weaving, so that the weaving is not required to be separately and independently carried out, the firmness and the wear resistance are further enhanced, and the service life is prolonged.
According to the multilayer tubular knitted fabric related to the first embodiment, because each circulation unit is formed by respectively matching the first shuttle, the second shuttle and the third shuttle with the corresponding distributing disks to perform corresponding warp splitting, and then each shuttle drives the corresponding weft to pass through the corresponding warp after warp splitting, the outer layer part and the inner layer part can be obtained by knitting, and the outer layer part and the inner layer part are bound together to obtain the multilayer tubular knitted fabric.
According to the multi-layer tubular knitted fabric of the first embodiment, since any high-strength fiber yarn can be used as the warp yarn, the binding weft yarn, the outer layer weft yarn and the inner layer weft yarn, the corresponding fiber yarns can be selected as required, so that the multi-layer tubular knitted fabric woven by the method can meet various requirements.
According to the multi-layered cylindrical braid of the first embodiment, the compression resistance and the abrasion resistance are greatly improved because of the increase of the number of wefts.
< example two >
The hose of this embodiment includes a multi-layered cylindrical braid having the same structure as that of the first embodiment, and coating layers applied to the inner and outer peripheries of the multi-layered cylindrical braid.
The inner peripheral coating layer and the outer peripheral coating layer are both polymer elastomers and are obtained by coating the inner periphery and the outer periphery of the multilayer cylindrical braided fabric by a coating machine.
Effects and effects of example two
According to the hose of the second embodiment, the multi-layer tubular braid of the first embodiment is used as the intermediate layer tube blank of the hose, and the multi-layer tubular braid is improved in pressure resistance, wear resistance, flexibility and service life, so that the problems of poor high pressure resistance, poor wear resistance and poor flexibility of the conventional double-layer composite hose having the intermediate layer tube blank of the double-layer sleeve can be overcome. Because the compactness of multilayer cylindric knitting is high, so the thickness of coating is even, the surface is smooth to overcome the surperficial roughness of the coating of current hose, easily drop, the big scheduling problem of water resistance, made it can satisfy market demand and have very high practical value and fine marketing nature.
According to the hose related to the second embodiment, the coating adopts the polymer elastomer, so that the hose has good heat insulation performance, sealing performance and wear resistance, and the service life can be prolonged.
Therefore, the hose of the second embodiment adopts the multi-layer cylindrical braided fabric with the double-layer double-twill weave structure, so that the pressure bearing capacity of the hose is greatly improved, the wear resistance is also improved, the pressure bearing capacity of the hose with the same caliber can be broken through, the elongation and the expansion rate of the hose are lower, the hose can have a network structure under the condition of low expansion rate, the peeling strength is high, the coating is not easy to fall off, and in addition, the hose is also suitable for remote water and oil supply or other gas and liquid transmission, and has a wide application prospect.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (7)
1. A multilayered tubular braid characterized by having a double-layer double twill weave structure comprising:
n circulation units which are formed by the outer layer part and the inner layer part which are bound by a plurality of binding wefts passing through the divided warps,
wherein the outer layer part is an outer layer fabric which is formed by weaving a plurality of outer layer wefts through the divided warps and has a single-layer double-twill weave structure,
the inner layer part is an inner layer fabric which is formed by weaving a plurality of inner layer wefts through the divided warps and has a single-layer double-twill weave structure,
the warp dividing actions of the warp threads during the binding of the outer layer part, the inner layer part, the outer layer part and the inner layer part are different, the warp dividing actions of the warp threads are completed through different wire distribution discs, the warp threads of the outer layer part are divided by a first wire distribution disc, the warp threads of the inner layer part are divided by a second wire distribution disc, and the warp threads during the binding of the outer layer part and the inner layer part are divided by a third wire distribution disc.
2. The multilayer tubular braid as claimed in claim 1, wherein:
wherein each circulation unit is woven by respectively matching a first shuttle, a second shuttle and a third shuttle with corresponding distributing disks,
the outer layer part with a single-layer double-twill weave structure is formed by weaving the warp yarns which are divided into warps by the first yarn dividing disc in a shuttling mode through the first shuttle to drive the outer layer weft yarns to move,
the inner layer part with a single-layer double-twill weave structure is formed by weaving the inner layer wefts among the warps which are divided by the second dividing plate in a shuttling manner under the driving of the second shuttle,
the multi-layer cylindrical woven fabric with the plurality of the circulation units is formed by the third shuttle driving the binding weft to pass through the warp yarns which are divided by the third yarn dividing plate to be bound.
3. The multilayer tubular braid as claimed in claim 1, wherein:
wherein the warp yarns, the binding weft yarns, the outer layer weft yarns and the inner layer weft yarns are all made of one of high-strength fiber yarns.
4. The multilayer tubular braid as claimed in claim 1, wherein:
wherein the number of warp threads of each circulation unit is 8.
5. The multilayer tubular braid as claimed in claim 1, wherein:
wherein the total number of warp threads of the multilayer cylindrical braided fabric is 8n + 6.
6. A hose, comprising:
the multi-layered cylindrical braid of claims 1 to 5, and a coating layer coated on the inner and outer circumferences of the multi-layered cylindrical braid.
7. The hose of claim 6, wherein:
wherein the inner and outer coating layers are both polymeric elastomers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930575.1U CN210237919U (en) | 2019-06-20 | 2019-06-20 | Multi-layer tubular braided fabric and hose thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930575.1U CN210237919U (en) | 2019-06-20 | 2019-06-20 | Multi-layer tubular braided fabric and hose thereof |
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| CN210237919U true CN210237919U (en) | 2020-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041640A (en) * | 2019-06-20 | 2020-04-21 | 南通倍佳机械科技有限公司 | Multi-layer tubular braided fabric and hose thereof |
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- 2019-06-20 CN CN201920930575.1U patent/CN210237919U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041640A (en) * | 2019-06-20 | 2020-04-21 | 南通倍佳机械科技有限公司 | Multi-layer tubular braided fabric and hose thereof |
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