阅读说明：本技术 一种具有混编加强层的燃气软管及其工艺 (Gas hose with hybrid reinforced layer and process thereof ) 是由 沈雪峰 于 2020-09-09 设计创作，主要内容包括：本发明公开了一种具有混编加强层的燃气软管,包括：内胶管,所述内胶管为耐腐蚀的中空管道；混编加强层,包括编织经线组和编织纬线组,所述编织经线组由至少两根并行的第一经线构成,所述编织纬线组由至少两根并行的第一纬线构成；所述第一经线和第一纬线沿其布置方向上并行或夹设的设有至少一根金属丝,所述编织经线组、编织纬线组和金属丝相互交叠并包紧在中胶管外,有效的防止如老鼠等啮齿动物啃咬燃气管,减少了安全隐患,而高强度化纤的丝线间隙为积聚的燃气提供引导,使得渗透的燃气从燃气管两端渗出。(The invention discloses a gas hose with a mixed reinforced layer, which comprises: the inner rubber pipe is a corrosion-resistant hollow pipeline; the mixed-woven reinforcement layer comprises a woven warp group and a woven weft group, wherein the woven warp group is composed of at least two parallel first warps, and the woven weft group is composed of at least two parallel first wefts; the first warp and the first weft are provided with at least one metal wire in parallel or in a clamping mode along the arrangement direction of the first warp and the first weft, the woven warp group, the woven weft group and the metal wire are mutually overlapped and tightly wrapped outside the rubber tube, rodents such as mice are effectively prevented from biting the gas tube, potential safety hazards are reduced, and the gaps of the silk threads of the high-strength chemical fibers provide guide for accumulated gas, so that the permeated gas is seeped out from the two ends of the gas tube.)

1. A gas hose with a hybrid reinforced layer is characterized by comprising:

the inner rubber pipe (1) is a corrosion-resistant hollow pipeline and is used for transmitting fuel gas and bearing the pressure of the fuel gas;

the mixed-woven reinforcement layer (4) comprises a woven warp group and a woven weft group, the woven warp group is composed of at least two parallel first warps (4.1), the woven weft group is composed of at least two parallel first wefts (4.2), and the first warps (4.1) and the first wefts (4.2) are twisted by at least two strands of high-strength chemical fibers;

the first warp (4.1) and the first weft (4.2) are provided with at least one metal wire (4.3) in parallel or in a clamping mode along the arrangement direction of the first warp and the first weft, and the weaving warp group, the weaving weft group and the metal wire (4.3) are overlapped with each other and tightly wrapped outside the medium rubber tube.

2. The gas hose with hybrid reinforced layer as claimed in claim 1, wherein: the wear-resistant layer is characterized by further comprising a wear-resistant layer (5), wherein the wear-resistant layer (5) surrounds and densely co-weaves the reinforced layer (4).

3. The gas hose with hybrid reinforced layer as claimed in claim 2, wherein: the inner wall of the wear-resistant layer (5) is provided with a compaction convex layer (5.1) corresponding to the first warp (4.1) and the first weft (4.2) respectively; the outer barrier layer (3.2) is provided with a compaction concave layer (3.3) corresponding to the first warp (4.1) and the first weft (4.2) respectively.

4. The gas hose with hybrid reinforced layer as claimed in claim 1, wherein: still including locating interior enhancement layer (2) outside interior rubber tube (1), interior enhancement layer (2) are including second warp (2.1) and second weft (2.2) of overlap, second warp (2.1) and second weft (2.2) are twisted by at least one strand of high strength chemical fibre.

5. The gas hose with hybrid reinforced layer as claimed in claim 4, wherein: the rubber pipe also comprises a middle rubber pipe arranged outside the inner reinforcing layer, wherein the middle rubber pipe comprises a compactly attached inner barrier layer (3.1) and an outer barrier layer (3.2); the inner barrier layer (3.1) is a blending layer of plastic and rubber materials, the outer barrier layer (3.2) is a plastic material layer, and the inner reinforcing layer (2) is bonded between the inner wall of the inner barrier layer (3.1) and the outer wall of the inner rubber pipe (1).

6. The gas hose with hybrid reinforced layer as claimed in claim 1, wherein: the mixed knitting reinforcing layer (4) is composed of a plurality of complete circulation tissues, the tissue points of the first warps (4.1) along the arrangement direction are two-up-two-down, the tissue points of the first wefts (4.2) along the arrangement direction are two-down-two-up, and the tissue points of the metal wires (4.3) in the warp direction are two-up-two-down.

7. The gas hose with hybrid reinforced layer as claimed in claim 1, wherein: the wire (4.3) has a first, a second and a third spiral position (9) in the arrangement direction thereof, the wire (4.3) being located in parallel on one side of the first warp thread (4.1) and/or the first weft thread (4.2) at the first spiral position (7); the wire (4.3) is located between two first warp threads (4.1) and/or two first weft threads (4.2) at the second helical position (8); the wires (4.3) are arranged on the other side of the first warp (4.1) and/or the first weft (4.2) in parallel at a third spiral position (9).

8. The gas hose with hybrid reinforced layer as claimed in claim 1, wherein: the first warp (4.1) and the first weft (4.2) comprise connecting wires and at least two strands of high-strength chemical fibers, and the high-strength chemical fibers are wound on the connecting wires along the left-handed direction and the right-handed direction respectively.

9. The gas hose with hybrid reinforced layer as claimed in claim 1, wherein: two adjacent first warp (4.1), first weft (4.2) are parallel to each other and are equipped with the clearance, wire (4.3) are arranged and are filled the clearance, and are in the crisscross setting of warp structure point of two adjacent first warp (4.1).

10. Process for gas hoses with hybrid reinforcement according to any of claims 1 to 9, characterized by the fact that it comprises the following steps:

a. the drawing device is characterized in that a traction wheel (10), a first tension control device (16) and a take-up drum are sequentially arranged, wires are led out from two sides of the first tension control device (16), a plurality of first tension rollers (11) are arranged at intervals, the up-down interval and the front-back interval of each tension roller are regulated, and the take-up drum is bundled into a second warp (2.1) drum and a second weft (2.2) drum with consistent tension;

b. extruding a plastic material layer and an adhesive layer of the inner rubber pipe (1), and weaving an inner reinforced layer (2) on the surface of the adhesive layer; an inner barrier layer (3.1) and an outer barrier layer (3.2) of the middle rubber pipe are extruded and then bonded, and the inner barrier layer (3.1) is densely coated on the bonding layer and the inner reinforcing layer (2);

c. spirally twisting a plurality of strands of high-strength chemical fibers on the connecting wire to form a first warp (4.1) and a first weft (4.2);

d. the novel chemical fiber drawing machine is characterized in that a traction wheel (10), a second tension control device (17) and a take-up drum are sequentially arranged, two sides of the second tension control device (17) are led out, a plurality of second tension rollers (12) and a plurality of third tension rollers (15) are arranged at intervals, at least two first warps (4.1) or at least two first wefts (4.2) are arranged on the second tension rollers (12) side by side, metal wires (4.3) are arranged on the third tension rollers (15), the metal wires (4.3) are parallel relative to the first warps (4.1) or the first wefts (4.2), the front-back distance and the up-down distance of the second tension rollers (12) and the third tension rollers (15) are regulated, and bound on the same take-up drum to form a mixed drum of metal wires (4.3) with consistent tension and high-strength chemical fibers, and the mixed drum is a first warp (4.1) drum and a first weft (4.2) drum respectively;

e. a mixed-woven reinforced layer (4) is woven outside the middle glue layer (3), and a wear-resistant layer (5) is densely coated outside the mixed-woven reinforced layer (4).

Technical Field

The invention relates to the technical field of pipes, in particular to a gas hose with a hybrid reinforced layer and a process thereof.

Background

At present, the gas pipe on the market, it all has single layer construction and multilayer structure usually, along with the improvement of people's safety consciousness, the gas pipe is mostly multilayer structure, this multilayer structure includes interior glue film, enhancement layer and outer glue film, in the performance, interior glue film needs to satisfy gas corrosion resistance and lower permeability, outer glue film needs to possess sufficient wearability, and the enhancement layer has decided the bulk strength and the compressive capacity of gas pipe, the enhancement layer of gas pipe has provided certain structural strength for the gas pipe although, because the permeability of inside and outside glue film is different, and because the time difference of inside and outside infiltration, the gas that the inlayer permeates more has great pressure, the gas that the skin permeates is relative less, therefore pressure is less, lead to the gas that oozes and the accumulation of relative weak department between the skin including the skin, and then form the swell, influence the degree of viscosity between the skin, and the enhancement layer of gas pipe among the prior art is usually formed by the weaving layer of different materials, the tension between different weaving layers is unequal, which further causes the bulge phenomenon and seriously affects the safe use of the gas pipe.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the gas hose with the hybrid reinforced layer, so that the structural strength of the gas hose is effectively improved.

The technical purpose of the invention is realized by the following technical scheme: a gas hose with a co-woven reinforcing layer comprises:

the inner rubber pipe is a corrosion-resistant hollow pipeline and is used for transmitting fuel gas and bearing the pressure of the fuel gas;

the mixed-woven reinforcement layer comprises a woven warp group and a woven weft group, wherein the woven warp group is composed of at least two parallel first warps, and the woven weft group is composed of at least two parallel first wefts;

the first warp and the first weft are provided with at least one metal wire in parallel or in a clamping manner along the arrangement direction of the first warp and the first weft, and the weaving warp group, the weaving weft group and the metal wire are mutually overlapped and tightly wrapped outside the medium rubber tube;

further, the wear-resistant layer is further included, and the wear-resistant layer surrounds and densely co-weaves the reinforced layer.

Furthermore, the inner wall of the wear-resistant layer is provided with a compaction convex layer corresponding to the weaving warp group and the weaving weft group respectively; the outer interlayer is correspondingly provided with the compression concave layers corresponding to the warp knitting groups and the weft knitting groups respectively, certain installation and positioning are provided for the mixed knitting reinforced layers through the improvement, the compression concave layers are favorable for forming the mixed knitting reinforced layers on the middle rubber pipe in a knitting mode, the compression convex layers are favorable for compacting the mixed knitting reinforced layers of the wear-resistant layers, and the structural stability of the mixed knitting reinforced layers is ensured.

Further, the mixed-woven reinforcing layer is composed of a plurality of complete circulation structures, the structure points of the first warp yarns along the arrangement direction are two upper parts and two lower parts, the structure points of the first weft yarns along the arrangement direction are two upper parts and two lower parts and two upper parts, and the structure points of the metal wires in the warp direction are two upper parts and two lower parts.

The middle rubber pipe is arranged outside the inner reinforcing layer and comprises a compactly attached inner barrier layer and an outer barrier layer; the inner barrier layer is a blending layer of plastic and rubber materials, the outer barrier layer is a plastic material layer, the inner reinforcing layer is bonded between the inner wall of the inner barrier layer and the outer wall of the inner rubber tube, and through the improvement, the tensile strength and the oil resistance of the inner barrier layer are improved and the guidance of fuel gas in the inner barrier layer is improved through the blending of the plastic and the rubber materials.

Further, the metal wire has a first, a second and a third spiral position along the arrangement direction thereof, the metal wire is positioned on one side of the first warp and/or the first weft in parallel at the first spiral position; the wire is located between two first warp threads and/or two first weft threads at the second helical position; the utility model discloses a mixed knitting enhancement layer, including first warp, first weft, second weft, the metal filament is at the parallel opposite side that is located first warp and/or first weft in third spiral position, through above improvement, the metal filament is arranged in first warp in first spiral position and third spiral position, the both sides of first weft, make the metal filament tighten up first warp in the warp, tighten up first weft in the latitudinal direction, make the structure of mixed knitting enhancement layer inseparabler, the metal filament compresses tightly first warp in second spiral position, first weft, be located between two warp tissue points and two weft tissue points of complete cycle organization when second spiral position, also can be located warp tissue point or weft tissue point.

Further, first warp and first weft all are including linking silk and two at least strands of high strength chemical fibre, the high strength chemical fibre is respectively along the winding of different gyre to on linking the silk, through above improvement, thereby the winding sets up stranded high strength chemical fibre and constitutes first warp, first weft on the connecting wire, guarantees single first warp and first weft's structural strength, and this connecting wire is optional for the metal material, also can select to be high strength chemical fibre.

Furthermore, two adjacent weaving warp groups and two weaving weft groups are parallel to each other and provided with gaps, the metal wires are arranged and filled in the gaps, and the warp tissue points of the two adjacent first warps are arranged in a staggered mode.

Further, the diameter ratio of the second warp threads to the first warp threads is 1:5, the diameter ratio of the second weft threads to the first weft threads is 1:5, and the diameter ratio of the connecting wires to the metal wires is 1: 4.

Further, an included angle between the second warp and the second weft is set to be 60-90 degrees; the included angle between the first warp and the first weft is set to be 45-90 degrees.

A process for manufacturing a gas hose with a hybrid reinforced layer comprises the following steps:

a. the drawing wheel, the first tension control device and the take-up drum are sequentially arranged, wires are led out from two sides of the first tension control device, a plurality of first tension rollers are arranged at intervals, the up-down interval and the front-back interval of each tension roller are regulated, and the take-up drum is bundled into a second warp drum and a second weft drum with consistent tension;

b. extruding a plastic material layer and an adhesive layer of the inner rubber pipe, and weaving an inner reinforced layer on the surface of the adhesive layer; extruding an inner barrier layer and an outer barrier layer of the middle rubber pipe and then bonding, and densely coating the inner barrier layer on the bonding layer and the inner reinforcing layer;

c. spirally twisting a plurality of strands of high-strength chemical fibers on the connecting wires to form a first warp and a first weft;

d. the drawing wheel, the second tension control device and the take-up drum are sequentially arranged, wires are led out from two sides of the second tension control device, a plurality of second tension rollers and third tension rollers are arranged at intervals, at least two first warps or at least two first wefts are arranged on the second tension rollers side by side, metal wires are arranged on the third tension rollers, the metal wires are parallel to the first warps or the first wefts, the front-back distance and the up-down distance between the second tension rollers and the third tension rollers are regulated, and the metal wires and the high-strength chemical fiber mixed drum with consistent tension are wound on the same take-up drum and are respectively a first warp drum and a first weft drum;

e. and a mixed knitting reinforcing layer is woven outside the middle glue layer, and a wear-resistant layer is densely coated outside the mixed knitting reinforcing layer.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. the high-strength chemical fibers and the metal wires are woven in a mixed mode, the metal wires increase the structural strength of the whole gas pipe, rodents such as mice and the like are effectively prevented from biting the gas pipe, potential safety hazards are reduced, gaps among the silk threads of the high-strength chemical fibers provide guidance for accumulated gas, and the permeated gas is enabled to seep out of the two ends of the gas pipe;

2. the inner reinforcement layer is arranged outside the inner rubber layer, and because the gas firstly seeps out of the inner rubber layer and has higher pressure, the inner reinforcement layer formed by weaving high-strength chemical fibers made of single materials guides the seeped gas to seep out of the end part of the gas hose along the arrangement direction of the second warp and the second weft, so that the swelling phenomenon of the gas between the middle rubber layer and the inner rubber layer is effectively reduced;

3. mix and compile the enhancement layer and set up two piece at least first warps in the warp direction, set up two piece at least first wefts in the latitudinal direction, set up the wire in first warp and the parallel of first weft one side, reduce the floating clearance that the tension difference of wire and high strength chemical fibre arouses, and the wire is tight first warp of row of rubber tube surface extrusion in well, first weft, thereby increase the compactness of mixing and compiling the enhancement layer, the wire combines with high strength chemical fibre, guarantee gas hose's structural strength and antitorque distortion, anti extrusion capacity, and simultaneously, first warp, the intersection department between first weft and the wire constitutes another drainage channel of gas, guarantee that permeable gas exports to gas hose's both ends along first warp or first weft's the direction of arranging, thereby the effectual gas of avoiding is gathered between gas hose's functional layer.

4. The warp groups, the weft groups and the metal wires are woven to tighten the middle rubber layer, the compactness between the inner barrier layer and the outer barrier layer of the middle rubber layer is improved, the adhesion and the gap between the inner reinforcement layer and the middle rubber layer are eliminated, the wear-resistant layer ensures the wear resistance of the outer part of the gas hose, and simultaneously, each functional layer of the gas hose is further compacted, and the floating gap generated by the tension on the organization points of the inner reinforcement layer and the mixed reinforcement layer is reduced;

5. two first warps and two parallel arrangements of first weft reduce the difference in height of organizing the point in warp direction and latitudinal direction, through the quantity that increases parallel wire, reduce the vacancy area between adjacent first warp and the first weft, increase the structural compactness of co-woven enhancement layer and the cladding degree of co-woven enhancement layer on well rubber tube, improve the holistic structural strength of gas hose, extend and the coefficient of expansion is low.

Drawings

FIG. 1 is a schematic structural diagram of the present invention (first trace details are omitted);

FIG. 2 is a schematic representation of the lay-up of the outer barrier layer and wear layer of the present invention;

FIG. 3 is a schematic view of the structure of the first warp and the first weft of the present invention;

FIG. 4 is a schematic structural diagram of a first tension control device according to the present invention;

FIG. 5 is a schematic structural view of a second tension control device according to the present invention;

in the figure: 1. an inner rubber tube; 2. an inner reinforcing layer; 2.1, second warp threads; 2.2, second wefts; 3. a middle glue layer; 3.1, inner barrier layer; 3.2, an outer barrier layer; 3.3, pressing the concave layer; 4. a hybrid reinforced layer; 4.1, first warp threads; 4.2, first weft yarns; 4.3, a metal wire; 5. a wear layer; 5.1, pressing the convex layer; 6. connecting wires; 7. a first helical position; 8. a second helical position; 9. a third helical position; 10. a traction wheel; 11. a first tension roller; 12. a second tension roller; 15. a third tension roller; 16. a first tension control device; 17. a second tension control device;

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that, although the terms upper, middle, lower, one end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding, and are not used to define any direction or order of limitation.

The warp direction and the weft direction are relative warp direction and relative weft direction, but not absolute warp direction and absolute weft direction.

As shown in fig. 1 to 5, a gas hose having a hybrid reinforcement layer includes:

the inner rubber pipe 1 is made of rubber materials resistant to corrosion of corrosive gas;

the inner reinforcing layer 2 comprises a second warp 2.1 and a second weft 2.2 which are overlapped, and the second warp 2.1 and the second weft 2.2 are respectively twisted by at least one strand of high-strength chemical fiber

The middle rubber pipe comprises a tightly attached inner barrier layer 3.1 and an outer barrier layer 3.2;

the mixed-woven reinforcement layer 4 comprises a woven warp group and a woven weft group, the woven warp group is composed of at least two parallel first warps 4.1, the woven weft group is composed of at least two parallel first wefts 4.2, and the first warps 4.1 and the first wefts 4.2 are twisted by at least two strands of high-strength chemical fibers;

the wear-resistant layer 5 surrounds and densely co-weaves the reinforced layer 4, wherein the wear-resistant layer 5 is made of transparent material;

1. the high-strength chemical fibers and the metal wires 4.3 are woven in a mixed mode, the metal wires 4.3 increase the structural strength of the whole gas pipe, rodents such as mice and the like are effectively prevented from biting the gas pipe, potential safety hazards are reduced, gaps of the silk threads of the high-strength chemical fibers provide guidance for accumulated gas, and the permeated gas is enabled to seep out of the two ends of the gas pipe;

2. the inner reinforcing layer 2 is arranged outside the inner rubber tube 1, as the gas firstly seeps out of the inner rubber tube 1 and has higher pressure, the inner reinforcing layer 2 formed by weaving high-strength chemical fibers made of single materials guides the seeped gas to seep out of the end part of the gas hose along the arrangement direction of the second warps 2.1 and the second wefts 2.2, so that the swelling phenomenon of the gas between the middle rubber layer 3 and the inner rubber layer is effectively reduced;

3. the mixed reinforced layer 4 is provided with at least two first warps 4.1 in the warp direction, at least two first wefts 4.2 in the weft direction, the metal wires 4.3 are arranged in parallel at one sides of the first warp 4.1 and the first weft 4.2, so that the floating clearance caused by the tension difference between the metal wires 4.3 and the high-strength chemical fiber is reduced, and the metal wire 4.3 tightly arranges the first warp 4.1 and the first weft 4.2 extruded on the surface of the hose, thereby increasing the tightness of the mixed reinforced layer 4, ensuring the structural strength, the anti-distortion and anti-extrusion capability of the gas hose by combining the metal wires 4.3 with high-strength chemical fibers, meanwhile, the intersection of the first warp 4.1, the first weft 4.2 and the metal wire 4.3 forms another gas drainage channel, so that the permeated gas is output to two ends of the gas hose along the arrangement direction of the first warp 4.1 or the first weft 4.2, and the gas is effectively prevented from accumulating between the functional layers of the gas hose.

4. The warp groups, the weft groups and the metal wires 4.3 are woven to tighten the middle rubber layer 3, the compactness between the inner barrier layer 3.1 and the outer barrier layer 3.2 of the middle rubber layer 3 is improved, the bonding and the gap between the inner rubber layer and the middle rubber layer 3 of the inner reinforcing layer 2 are eliminated, the wear-resistant layer 5 further compacts each functional layer of the gas hose while ensuring the wear resistance of the outer part of the gas hose, and the floating gap generated by the tension on the tissue points of the inner reinforcing layer 2 and the mixed reinforcing layer 4 is reduced;

5. two first warp yarns 4.1 and two first weft yarns 4.2 are arranged in parallel, the height difference of the organization points in the warp direction and the weft direction is reduced, the number of parallel metal wires 4.3 is increased, the vacant area between the adjacent first warp yarns 4.1 and the first weft yarns 4.2 is reduced, the structural tightness of the mixed reinforced layer 4 is increased, the coating degree of the mixed reinforced layer 4 on the medium rubber pipe is increased, the integral structural strength of the gas hose is improved, and the extension and expansion coefficients are low.

Specifically, the hybrid reinforced layer 4 is composed of a plurality of complete circulation structures, wherein the complete circulation structures refer to two upper parts and two lower parts of the structure points of the first warp 4.1 along the arrangement direction thereof, two upper parts and two upper parts of the structure points of the first weft 4.2 along the arrangement direction thereof, and two upper parts and two lower parts of the structure points of the warp metal wires 4.3; optionally, the weave point of the first weft 4.2 along the arrangement direction is three lower parts and three upper parts, and the weave point of the warp-wise metal wire 4.3 is three upper parts and three lower parts.

Specifically, the inner barrier layer 3.1 is a blending layer of PVC and nitrile rubber, the outer barrier layer 3.2 is a PVC material layer, the inner reinforcing layer 2 is bonded between the inner wall of the inner barrier layer 3.1 and the outer wall of the inner rubber tube 1, and the tensile strength and the oil resistance of the inner barrier layer 3.1 and the guidance of fuel gas in the inner barrier layer are improved by blending the PVC and the nitrile rubber.

Specifically, two adjacent weaving warp groups and two adjacent weaving weft groups are parallel to each other and provided with gaps, the metal wires 4.3 are arranged and filled in the gaps, and the metal wires are arranged in a staggered mode at the warp structure points of the two adjacent first warp threads 4.1.

Specifically, the diameter ratio of the second warp threads 2.1 to the first warp threads 4.1 is 1:5, the diameter ratio of the second weft threads 2.2 to the first weft threads 4.2 is 1:5, and the diameter ratio of the connecting wire to the metal wire 4.3 is 1: 4.

Specifically, the included angle between the second warp 2.1 and the second weft 2.2 is set to be 60-90 degrees; the included angle between the first warp thread 4.1 and the first weft thread 4.2 is set to be 45-90 degrees.

As shown in fig. 2, as an example, the inner wall of the wear-resistant layer 5 is provided with a compression convex layer 5.1 corresponding to the weaving warp group and the weaving weft group respectively; the outer interlayer 3.2 is correspondingly provided with a compressed concave layer 3.3 for weaving warp groups and weft groups, the compressed concave layer 3.3 provides certain installation and positioning for the mixed reinforced layer 4, the mixed reinforced layer 4 is favorably woven and formed on the middle rubber pipe, the compressed convex layer 5.1 is opposite to the compressed mixed reinforced layer 4, the compact mixed reinforced layer 4 of the wear-resistant layer 5 is favorably arranged on the outer wall of the middle rubber pipe, and the structural stability of the mixed reinforced layer 4 is ensured.

As an example, the wire 4.3 has a first, a second and a third spiral position 9 in its arrangement direction, the wire 4.3 being located in parallel on one side of the first warp thread 4.1 and/or the first weft thread 4.2 at the first spiral position 7; the wire 4.3 is located between two first warp threads 4.1 and/or two first weft threads 4.2 at the second helical position 8; the metal wires 4.3 are arranged on the other side of the first warp 4.1 and/or the first weft 4.2 in parallel at the third spiral position 9, the metal wires 4.3 are arranged on both sides of the first warp 4.1 and the first weft 4.2 at the first spiral position 7 and the third spiral position 9, so that the metal wires 4.3 tighten the first warp 4.1 in the warp direction and the first weft 4.2 in the weft direction, so that the structure of the co-woven reinforcing layer 4 is more compact, the metal wires 4.3 compact the first warp 4.1 and the first weft 4.2 at the second spiral position 8, and when the second spiral position 8 is between two warp and two weft points of a complete circulation structure, the second spiral position can be either at the warp point or the weft point.

As shown in fig. 3, as an embodiment, the first warp 4.1 and the first weft 4.2 both include a connecting filament and at least two strands of high strength chemical fibers, the high strength chemical fibers are respectively wound on the connecting filament along different rotation directions, and a plurality of strands of high strength chemical fibers are wound on the connecting filament 6 to form the first warp 4.1 and the first weft 4.2, so as to ensure the structural strength of the single first warp 4.1 and the single first weft 4.2, and the connecting filament 6 may be made of a metal material or a high strength chemical fiber.

A process for manufacturing a gas hose with a hybrid reinforced layer comprises the following steps:

a. the drawing wheel 10, the first tension control device 16 and the take-up drum are sequentially arranged, two sides of the first tension control device 16 are led out, a plurality of first tension rollers 11 are arranged at intervals, the up-down distance and the front-back distance of each tension roller are regulated, and the take-up drum is bundled into a second warp 2.1 drum and a second weft 2.2 drum with consistent tension;

b. extruding a PVC material layer and an adhesive layer of the inner rubber tube 1, and weaving an inner reinforcing layer 2 on the surface of the adhesive layer; extruding an inner barrier layer 3.1 and an outer barrier layer 3.2 of the middle rubber hose, and then bonding, wherein the inner barrier layer 3.1 is densely coated on the bonding layer and the inner reinforced layer 2;

c. the multi-strand high-strength chemical fiber is spirally twisted on the connecting wire to form a first warp 4.1 and a first weft 4.2;

d. the drawing wheel 10, the second tension control device 17 and the take-up drum are sequentially arranged, a plurality of second tension rollers 12 and third tension rollers 15 are arranged on two sides of the second tension control device 17 in an outgoing manner at intervals, at least two first warps 4.1 or at least two first wefts 4.2 are arranged on the second tension rollers 12 side by side, metal wires 4.3 are arranged on the third tension rollers 15, the metal wires 4.3 are parallel to the first warps 4.1 or the first wefts 4.2, the front-back distance and the up-down distance of the second tension rollers 12 and the third tension rollers 15 are regulated and controlled, and the metal wires 4.3 and the high-strength chemical fibers are wound on the same take-up drum into a mixed drum with consistent tension, namely a first warp 4.1 drum and a first weft 4.2 drum;

e. a mixed-woven reinforced layer 4 is woven outside the middle glue layer 3, and a wear-resistant layer 5 is densely coated outside the mixed-woven reinforced layer 4.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.