阅读说明：本技术 一种高强度耐高低温双层软管 (High-strength high-low temperature resistant double-layer hose ) 是由 韩彦坤 于 2021-06-11 设计创作，主要内容包括：本发明公开了软管技术领域一种高强度耐高低温双层软管,包括外软管和设置在外软管内部的内软管,内软管和外软管之间留有间隙,内软管和外软管之间沿周向设置有若干链条,内软管和外软管之间沿轴向等间距设置有加强环,本发明没有采用钢丝缠绕结构,在不降低结构强度和耐高温性能的情况下保证软管的柔软性能；外软管和内软管之间留有间隙,通过间隙提高内软管的隔热、保温性能；通过加强环可避免内软管被外物挤压。(The invention discloses a high-strength high-low temperature resistant double-layer hose in the technical field of hoses, which comprises an outer hose and an inner hose arranged in the outer hose, wherein a gap is reserved between the inner hose and the outer hose, a plurality of chains are arranged between the inner hose and the outer hose along the circumferential direction, and reinforcing rings are arranged between the inner hose and the outer hose along the axial direction at equal intervals; a gap is reserved between the outer hose and the inner hose, and the heat insulation performance of the inner hose is improved through the gap; the inner hose is prevented from being squeezed by foreign objects by the reinforcing ring.)

1. The utility model provides a high low temperature resistant double-deck hose of high strength, includes outer hose (2) and sets up at inside inner hose (1) of outer hose (2), its characterized in that: the novel hose is characterized in that a gap is reserved between the inner hose (1) and the outer hose (2), a plurality of chains (3) are arranged between the inner hose (1) and the outer hose (2) along the circumferential direction, and reinforcing rings (4) are arranged between the inner hose (1) and the outer hose (2) along the axial direction at equal intervals.

2. The high-strength high-and-low temperature resistant double-layer hose according to claim 1, wherein: the outer wall of the reinforcing ring (4) is fixedly connected with the inner side wall of the outer hose (2), and the inner wall of the reinforcing ring (4) is fixedly connected with the outer side wall of the inner hose (1).

3. The high-strength high-and-low temperature resistant double-layer hose according to claim 2, wherein: the reinforcing ring (4) is provided with through holes (41) for the chains (3) to pass through.

4. The high-strength high-and-low temperature resistant double-layer hose according to claim 3, wherein: the inner side wall of the inner hose (1) is provided with an anticorrosive coating.

5. The high-strength high-low temperature resistant double-layer hose according to claim 4, wherein: the inner side wall of the inner hose (1) is annularly and equidistantly connected with a plurality of guide strips (11).

6. The high-strength high-and-low temperature resistant double-layer hose according to claim 5, wherein: and a heat insulation layer is arranged on the inner side wall of the outer hose (2).

7. The high-strength high-and-low temperature resistant double-layer hose according to claim 6, wherein: the outer side wall of the outer hose (2) is provided with a wear-resistant layer.

Technical Field

The invention relates to the technical field of hoses, in particular to a high-strength high-temperature-resistant and low-temperature-resistant double-layer hose.

Background

The steel wire winding layers are arranged on the common high-temperature-resistant hoses to improve the structural strength and the high-temperature resistance of the hoses, but the flexibility of the hoses can be influenced after the hoses are wound with steel wires.

Based on the technical scheme, the invention designs the high-strength high-temperature-resistant and low-temperature-resistant double-layer hose to solve the problems.

Disclosure of Invention

The invention aims to provide a high-strength high-temperature and low-temperature resistant double-layer hose to solve the problem that the flexibility of the hose is affected after steel wires are wound on the hose in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-strength double-layer hose resistant to high and low temperatures, includes outer hose and sets up the inside inner hose of outer hose, leave the clearance between inner hose and the outer hose, be provided with a plurality of chains along circumference between inner hose and the outer hose, be provided with the beaded finish along the axial equidistant between inner hose and the outer hose.

Preferably, the outer wall of the reinforcing ring is fixedly connected with the inner side wall of the outer hose, and the inner wall of the reinforcing ring is fixedly connected with the outer side wall of the inner hose.

Preferably, the reinforcing ring is provided with through holes for the chains to pass through one by one.

Preferably, the inner side wall of the inner hose is provided with an anticorrosive coating.

Preferably, the inner side wall of the inner hose is in a ring shape and is connected into a whole at equal intervals, and a plurality of flow guide strips are arranged.

Preferably, the inner side wall of the outer hose is provided with a heat insulation layer.

Preferably, the outer side wall of the outer hose is provided with a wear-resistant layer.

Compared with the prior art, the invention has the beneficial effects that: the invention does not adopt a steel wire winding structure, and the flexibility of the hose is ensured under the condition of not reducing the structural strength and the high-temperature resistance; a gap is reserved between the outer hose and the inner hose, and the heat insulation performance of the inner hose is improved through the gap; the inner hose is prevented from being squeezed by foreign objects by the reinforcing ring.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the chain structure of the present invention;

FIG. 3 is a schematic view of the chain and reinforcing ring engagement of the present invention;

FIG. 4 is a schematic view of a stiffener structure according to the present invention;

fig. 5 is a schematic view of the construction of the inner hose of the present invention.

1. An inner hose; 11. a flow guide strip; 2. an outer hose; 3. a chain; 4. a reinforcement ring; 41. and a through hole.

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.

The utility model provides a high-strength double-layer hose resistant to high and low temperatures, includes outer hose 2 and sets up outer hose 2 inside inner hose 1, leaves the clearance between inner hose 1 and the outer hose 2, is provided with a plurality of chains 3 along circumference between inner hose 1 and the outer hose 2, is provided with reinforcing ring 4 along the axial equidistant between inner hose 1 and the outer hose 2.

Furthermore, the outer wall of the reinforcing ring 4 is fixedly connected with the inner side wall of the outer hose 2, and the inner wall of the reinforcing ring 4 is fixedly connected with the outer side wall of the inner hose 1.

Furthermore, the reinforcing ring 4 is provided with through holes 41 through which the chains 3 pass.

Further, the inner side wall of the inner hose 1 is provided with an anticorrosive coating.

Furthermore, the inner side wall of the inner hose 1 is connected into a whole in an annular shape at equal intervals and is provided with a plurality of flow guide strips 11.

Further, the inner side wall of the outer hose 2 is provided with a heat insulation layer.

Further, the outer side wall of the outer hose 2 is provided with a wear-resistant layer.

One embodiment of the invention:

the inner hose 1 and the outer hose 2 can be made of rubber, and the outer hose 2 is sleeved outside the inner hose 1 with a gap; the reinforcing rings 4 can be made of polytetrafluoroethylene, have reliable and excellent corrosion resistance and high temperature resistance, and can bear larger pressure, the shapes of the reinforcing rings 4 are just matched with the shapes of the spaced sections between the inner hose 1 and the outer hose 2, and the reinforcing rings 4 are arranged at equal intervals along the length directions of the inner hose 1 and the outer hose 2; six groups of chains 3 are annularly arrayed in the axial direction of the inner hose 1 and the outer hose 2, the length of the chains 3 is consistent with that of the inner hose 1 and that of the outer hose 2, six groups of through holes 41 are formed in the reinforcing ring 4, and the chains 3 penetrate through the reinforcing ring 4 through the through holes 41 which correspond to one another one by one;

the chain 3 can be made of a plastic chain, and the chain 3 can extend or shorten for a certain length along with the bending of the inner hose 1 and the outer hose 2; the inner hose 1 and the outer hose 2 are improved in anti-pulling performance through the chains 3;

foreign objects are prevented from extruding the inner hose 1 through the reinforcing ring 4, and the inner hose 1 is prevented from being blocked due to extrusion deformation.

The outer wall of the outer hose 2 is provided with a wear-resistant layer which can be made of high-fluorine rubber, so that the outer hose has high elasticity, good tensile property, excellent wear resistance, fatigue resistance and other physical and mechanical properties, and the wear resistance of the outer hose 2 is improved.

The inner side wall of the outer hose 2 is provided with a layer of heat insulation layer which can be formed by wrapping aluminum silicate fiber paper, and the aluminum silicate fiber paper has the characteristics of high strength (containing reinforcing fibers), good elasticity, strong machinability and the like, and is suitable for heat insulation, heat preservation, sealing, electric insulation, sound absorption, filtration and the like in a high-temperature environment.

The inner side wall of the inner hose 1 is provided with the anticorrosion layer, the anticorrosion layer can be made of polytetrafluoroethylene and has the characteristic of high temperature resistance, the friction coefficient of the anticorrosion layer is extremely low, and the anticorrosion layer can be used as an ideal coating for the inner layer of the water pipe in addition to a lubricating effect, so that the anticorrosion layer has a sealing effect, and the inner hose 1 is prevented from being corroded and aged to influence the service life of the inner hose 1.

The diversion strip 11 is connected with the inner hose 1 into a whole to play a role in diversion inside the inner hose 1.

The electrical equipment is connected with an external power supply through an external control switch.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.