CN214662630U

CN214662630U - EPDM (ethylene-propylene-diene monomer) water hose

Info

Publication number: CN214662630U
Application number: CN202120302783.4U
Authority: CN
Inventors: 王德祥
Original assignee: Taizhou Shenlong Fire Technology Co ltd
Current assignee: Taizhou Shenlong Fire Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-09
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses an EPDM hosepipe, including enhancement layer and inner liner, the inner liner includes toughness layer, chemical resistance layer and ageing-resistant layer and lubricating layer, the toughness layer is alternately woven by horizontal bar and vertical retort and is formed, the inner wall on toughness layer is provided with the chemical resistance layer, the inner wall on chemical resistance layer is provided with ageing-resistant layer, ageing-resistant layer's inner wall is provided with the lubricating layer, the enhancement layer is woven by first weaving layer and second weaving layer circle and is formed, the inner wall fixedly connected with hot melt adhesive of enhancement layer, the enhancement layer passes through hot melt adhesive and toughness layer fixed connection and is in the same place. The utility model discloses in, the hosepipe has wear-resisting, high breaking strength, burst pressure, less extension and twists reverse the scheduling characteristic, and the sealing performance of hosepipe is good in addition, and smooth structure of surfacing has guaranteed that rivers loss of pressure is little, and plasticity has the improvement of certain degree, still has good ageing resistance and chemical resistance characteristic at last.

Description

EPDM (ethylene-propylene-diene monomer) water hose

Technical Field

The utility model relates to a hosepipe field especially relates to EPDM hosepipe.

Background

The hose is used for conveying flame-retardant liquid such as high-pressure water or foam, the traditional fire hose takes rubber as a lining, the outer surface of the hose is wrapped by linen fabric, the advanced hose is made of polymeric materials such as polyurethane, metal joints are arranged at two ends of the hose, another rubber hose, a polyurethane hose and a PVC fire hose can be connected to the hose to prolong the distance or connect a nozzle to increase the liquid injection pressure, and the EPDM (ethylene propylene diene monomer) rubber has excellent ozone resistance, heat resistance, weather resistance and other aging resistance because the main chain of the EPDM rubber is composed of chemically stable saturated hydrocarbon and only contains unsaturated double bonds in the side chain, and can be widely used in the fields of automobile parts, waterproof materials for buildings, wire and cable sheaths, heat-resistant rubber pipes, rubber belts, automobile sealing parts and the like.

The wear resistance, the breaking strength, the bursting pressure and the extension torsion performance of the existing water hose are not very good, in addition, the sealing performance of the water hose and the water flow pressure loss of the water hose are all related to the service performance of the water hose, in addition, the plasticity and the toughness of the water hose also determine the quality of the water hose to a certain extent, so that the service time of the water hose is determined, and finally, the aging resistance and the chemical resistance of the water hose also determine the service life of the water hose.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the EPDM water band.

In order to achieve the above purpose, the utility model adopts the following technical scheme: EPDM hosepipe, including enhancement layer and inner liner, the inner liner includes toughness layer, chemical resistance layer and ageing-resistant layer and lubricating layer, the toughness layer is alternately woven by horizontal bar and vertical retort and is formed, the inner wall on toughness layer is provided with the chemical resistance layer, the inner wall on chemical resistance layer is provided with ageing-resistant layer, the inner wall on ageing-resistant layer is provided with the lubricating layer, the enhancement layer is woven by first weaving layer and second weaving layer circle and is formed, the inner wall fixedly connected with hot melt adhesive of enhancement layer, the enhancement layer passes through hot melt adhesive and toughness layer fixed connection and is in the same place.

As a further description of the above technical solution:

the first woven layer and the second woven layer are made of fibers, and aluminum powder is filled between the first woven layer and the second woven layer.

As a further description of the above technical solution:

the material of horizontal bar and vertical bar is nylon, the structure of horizontal bar and vertical bar is the cylinder.

As a further description of the above technical solution:

the inner wall of the chemical resistance layer is provided with a bonding agent which is a rubber adhesive, and the chemical resistance layer is fixedly connected with the aging resistance layer through the rubber adhesive.

As a further description of the above technical solution:

the aging-resistant layer and the lubricating layer are fixedly connected together through a rubber adhesive, and the inner wall of the lubricating layer is coated with a lubricating coating.

As a further description of the above technical solution:

and a small amount of graphite is filled between the transverse bars and the vertical bars.

As a further description of the above technical solution:

the toughness layer and the chemical resistance layer are fixedly connected together through a rubber adhesive, and the lining layer and the reinforcing layer are fixedly connected together through punching.

As a further description of the above technical solution:

the cross sections of the reinforcing layer, the toughness layer, the chemical resistance layer, the ageing-resistant layer and the lubricating layer are all circular and are the same circle center.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, the enhancement layer is woven through the circle by the first weaving layer of material for fibre and second weaving layer and constitutes, for the hosepipe provides wear-resisting, high breaking strength, burst pressure, less extension and twists reverse the scheduling characteristic, has improved the life of hosepipe.

2. The utility model discloses in, set up the lubricating layer and paint lubricating coating on the surface of lubricating layer at the innermost layer of lining layer, improved the leakproofness of hosepipe on the one hand, on the other hand level smooth structure has lower rivers loss of pressure.

3. The utility model discloses in, ageing-resistant layer and chemical resistance layer can improve the ageing resistance ability and the chemical resistance ability of hosepipe to carry out corresponding protection to the hosepipe, avoid external factor to cause the quality of hosepipe impaired.

4. The utility model discloses in, cross weaving formation toughness layer through horizontal bar and the vertical retort of material for nylon, can improve the toughness of hosepipe on the one hand, on the other hand also carries out the improvement of certain degree to the plasticity of hosepipe, avoids the long-time use of hosepipe impaired, has improved the service quality of hosepipe.

Drawings

Fig. 1 is a schematic structural diagram of an EPDM water hose provided by the present invention;

fig. 2 is a schematic structural diagram of a reinforcing layer of the EPDM water hose of the present invention;

fig. 3 is a schematic structural diagram of a ductile layer of the EPDM water band provided by the present invention;

fig. 4 is a perspective view of the EPDM water hose of the present invention.

Illustration of the drawings:

1. an enhancement layer; 2. a first woven layer; 3. a second woven layer; 4. a ductile layer; 5. a horizontal bar; 6. vertical bars; 7. a chemical resistant layer; 8. an aging-resistant layer; 9. a lubricating layer; 10. an inner liner.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: EPDM (ethylene-propylene-diene monomer) water band, comprising a reinforcing layer 1 and an inner liner layer 10, wherein the inner liner layer 10 and the reinforcing layer 1 are fixedly connected together through punching, the inner liner layer 10 comprises a toughness layer 4, a chemical resistance layer 7, an aging resistance layer 8 and a lubricating layer 9, the reinforcing layer 1, the toughness layer 4, the chemical resistance layer 7, the aging resistance layer 8 and the lubricating layer 9 are all circular in cross section, and are in the same circle center, the toughness layer 4 is formed by alternately weaving transverse bars 5 and vertical bars 6, the transverse bars 5 and the vertical bars 6 are made of nylon, the transverse bars 5 and the vertical bars 6 are both cylindrical in structure, a small amount of graphite is filled between the transverse bars 5 and the vertical bars 6, the chemical resistance layer 7 is arranged on the inner wall of the toughness layer 4, the chemical resistance layer 7 can protect the water band from acid, alkali, detergent, animal and vegetable oil, alcohol, ketone and the like, the chemical resistance property of the water band is improved, the toughness layer 4 and the chemical resistance layer 7 are fixedly connected together through a rubber adhesive, the water hose is fixed by using a rubber adhesive, the working temperature range of the water hose can be ensured to be-60 ℃ to +100 ℃, the working temperature can reach 120 ℃ in a short time, the inner wall of the chemical resistance layer 7 is provided with an aging resistance layer 8, the aging resistance layer 8 can improve the weather resistance, ozone resistance, sunlight resistance, heat resistance, cold resistance, water resistance, steam resistance, ultraviolet resistance, corrosion resistance and other aging resistance performances of the water hose, the inner wall of the chemical resistance layer 7 is provided with a bonding agent which is a rubber adhesive, the chemical resistance layer 7 is fixedly connected with the aging resistance layer 8 through the rubber adhesive, the inner wall of the aging resistance layer 8 is provided with a lubricating layer 9, the aging resistance layer 8 and the lubricating layer 9 are fixedly connected together through the rubber adhesive, the inner wall of the lubricating layer 9 is coated with a lubricating coating, the sealing performance of the water hose is improved by arranging the lubricating layer 9 and coating the lubricating coating on the surface of the lubricating layer, and the smooth structure with a smooth surface has lower water flow pressure loss, enhancement layer 1 is woven by

first weaving layer

2 and 3 circles of second weaving layer and forms, the material is fibrous first weaving layer 2 and second weaving layer 3 and weaves through the circle and form enhancement layer 1, wear-resisting for the hosepipe has been provided, high breaking strength, the burst pressure, less extension twists reverse the scheduling characteristic, the life of hosepipe has been improved, first weaving layer 2 and the material of second weaving layer 3 are the fibre, it has the aluminite powder to fill between first weaving layer 2 and the second weaving layer 3, the inner wall fixedly connected with hot melt adhesive of enhancement layer 1, the hot melt adhesive can guarantee that hosepipe operating temperature range is between-60 ℃ - +80 ℃, enhancement layer 1 is in the same place through hot melt adhesive and toughness layer 4 fixed connection.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

EPDM water hose, comprising a reinforcing layer (1) and an inner liner (10), characterized in that: inner liner (10) are including toughness layer (4), chemical resistance layer (7) and ageing-resistant layer (8) and lubricant film (9), toughness layer (4) are alternately woven by horizontal bar (5) and vertical retort (6) and are formed, the inner wall on toughness layer (4) is provided with chemical resistance layer (7), the inner wall on chemical resistance layer (7) is provided with ageing-resistant layer (8), the inner wall on ageing-resistant layer (8) is provided with lubricant film (9), enhancement layer (1) is woven by first weaving layer (2) and second weaving layer (3) circle and is formed, the inner wall fixedly connected with hot melt adhesive of enhancement layer (1), enhancement layer (1) is in the same place through hot melt adhesive and toughness layer (4) fixed connection.
2. The EPDM water hose of claim 1, wherein: the first woven layer (2) and the second woven layer (3) are both made of fibers, and aluminum powder is filled between the first woven layer (2) and the second woven layer (3).
3. The EPDM water hose of claim 1, wherein: the material of horizontal bar (5) and vertical bar (6) is nylon, the structure of horizontal bar (5) and vertical bar (6) is the cylinder.
4. The EPDM water hose of claim 1, wherein: the inner wall of the chemical resistance layer (7) is provided with an adhesive which is a rubber adhesive, and the chemical resistance layer (7) is fixedly connected with the aging resistance layer (8) through the rubber adhesive.
5. The EPDM water hose of claim 1, wherein: the aging-resistant layer (8) and the lubricating layer (9) are fixedly connected together through a rubber adhesive, and the inner wall of the lubricating layer (9) is coated with a lubricating coating.
6. The EPDM water hose of claim 1, wherein: a small amount of graphite is filled between the transverse bars (5) and the vertical bars (6).
7. The EPDM water hose of claim 1, wherein: the tough layer (4) and the chemical resistance layer (7) are fixedly connected together through a rubber adhesive, and the inner lining layer (10) and the reinforcing layer (1) are fixedly connected together through punching.
8. The EPDM water hose of claim 1, wherein: the cross sections of the enhancement layer (1), the toughness layer (4), the chemical resistance layer (7), the aging resistance layer (8) and the lubricating layer (9) are all circular and are the same circle center.