CN210344717U

CN210344717U - Tensile armored hose

Info

Publication number: CN210344717U
Application number: CN201920654464.2U
Authority: CN
Inventors: 蔡金国; 王云; 季兵
Original assignee: Yancheng Ruihua Petroleum Machinery Technology Co ltd
Current assignee: Yancheng Ruihua Petroleum Machinery Technology Co ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-04-17
Anticipated expiration: 2029-05-08

Abstract

The utility model provides a tensile armored hose, the armor cover is arranged outside the hose layer, the armor comprises a first annular steel belt and a second annular steel belt which are mutually embedded and arranged at the same pitch, the cross section of the first annular steel belt is cross-shaped and comprises a horizontal part and a vertical part, and both ends of the horizontal part are provided with arc-shaped ball heads; the second annular steel belt comprises an upper annular belt, a lower annular belt and a plurality of elastic limiting devices, the sections of the upper annular belt and the lower annular belt are symmetrical at two sides, the sections of the upper annular belt and the lower annular belt are rectangular, grooves are symmetrically arranged at two sides, and the grooves are matched and embedded with the arc-shaped ball heads in shape; the elastic limiting devices are uniformly arranged in the middle of the second annular steel belt at intervals, and two ends of the elastic limiting devices are respectively connected with the opposite end faces of the upper annular belt and the lower annular belt; the elastic limiting device comprises hook-shaped connecting rods which are rotationally symmetrical along the center, the head end faces of the connecting rods on the two sides are perpendicularly welded with springs, and the tail end faces of the connecting rods are perpendicularly welded with the opposite end faces of the upper annular belt and the lower annular belt respectively.

Description

Tensile armored hose

Technical Field

The utility model belongs to the technical field of the armor hose, concretely relates to tensile armor hose.

Background

The high-pressure hose is divided into a fiber reinforced polyurethane hose, a fiber reinforced nylon hose, a steel wire reinforced polyurethane hose, a steel wire reinforced nylon hose, a steel wire wound resin hose and a food grade hose. The high-pressure hose and the low-pressure hose are mainly used for high-pressure hoses and brake oil pipes on machine tools, automobiles, engineering machinery and motorcycles, pneumatic instrument lines in automatic control of industries such as petroleum, chemical engineering, medicine, smelting and the like, and the like. The surface of the hose is often covered with an armor layer, the armor layer provides radial rigidity, bears internal pressure and external pressure and simultaneously plays a certain tensile effect, and the hose plays a role in comprehensively protecting the internal hose; the existing armor layer is mostly Z-shaped and T-shaped in section form, the radial rigidity is still enough, but the tensile effect is not good, the armor layer is used for a long time, the armor layer is easy to damage due to bending abrasion and the like, and the armor layer is unlocked and falls off.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tensile armor hose to solve current armor hose, the tensile effect is not enough, and easy wearing and tearing drop, life is short.

The utility model provides a following technical scheme:

a tensile armored hose comprises a hose layer and an armor layer, wherein the armor layer is sleeved on the outer side of the hose layer and comprises a first annular steel belt and a second annular steel belt which are mutually embedded and arranged at the same pitch, the cross section of the first annular steel belt is in a cross shape and comprises a horizontal part and a vertical part, and arc-shaped ball heads are arranged at two ends of the horizontal part; the second annular steel belt comprises an upper annular belt, a lower annular belt and a plurality of elastic limiting devices, the sections of the upper annular belt and the lower annular belt are symmetrical at two sides, the sections of the upper annular belt and the lower annular belt are rectangular, grooves are symmetrically arranged at two sides, and the grooves are matched and embedded with the arc-shaped ball heads in shape; the elastic limiting devices are uniformly arranged in the middle of the second annular steel belt at intervals, and two ends of the elastic limiting devices are respectively connected with the opposite end faces of the upper annular belt and the lower annular belt; the elastic limiting device comprises hook-shaped connecting rods which are rotationally symmetrical along the center, springs are perpendicularly welded on the end faces of the head ends of the connecting rods, and the end faces of the connecting rods are perpendicularly welded on the opposite end faces of the upper annular belt and the lower annular belt respectively.

Further, the two end surfaces of the vertical portion of the first annular steel strip are flush with the two end surfaces of the second annular steel strip, respectively.

Further, the depth of the groove is one fourth of the thickness of the armor layer, and the width of the groove is one fourth of the thickness of the armor layer.

Furthermore, the upper annular belt and the lower annular belt of the second annular steel belt are symmetrically arranged on the upper side and the lower side of the first annular steel belt, and the arc-shaped ball heads of the first annular steel belt are respectively embedded into the grooves of the second annular steel belt which is adjacent to the left and the right.

Further, the surfaces of the first annular steel belt and the second annular steel belt are both subjected to polishing and slipping treatment.

The utility model has the advantages that:

the utility model relates to a tensile armor hose, a first annular steel belt and a second annular steel belt adopt a mutually embedded structure, the structure is symmetrical, the mutually embedded acting force is large, and the tensile resistance between each other is increased;

the arc-shaped ball head and the groove are engaged and slide, so that when the whole body is bent, the friction of the arc-shaped ball head is more convenient to bend compared with the traditional rectangle, the surface is polished and slipped, the friction resistance is small, the loss caused by friction is small, and the service life is prolonged;

the inside of the second annular steel band is equipped with elasticity stop device, and when whole emergence extrusion deformation, elasticity stop device's spring played the effect of buffering in certain extent, when surpassing the scope of spring, colluded the form connecting rod and collude the jail each other, guaranteed the intensity of the second annular steel band, can not fracture and damage.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of an elastic stop device;

labeled as: 1. the steel wire rope comprises an armor layer, 2, a first annular steel belt, 21, a horizontal part, 22, a vertical part, 23, an arc-shaped ball head, 3, a second annular steel belt, 31, an upper annular belt, 32, a lower annular belt, 33, a groove, 4, an elastic limiting device, 41, a connecting rod and 42, and a spring.

Detailed Description

As shown in fig. 1-2, a tensile armored hose comprises a hose layer and an armor layer 1, wherein the armor layer 1 is sleeved outside the hose layer, the armor layer 1 comprises a first annular steel strip 2 and a second annular steel strip 3 which are mutually embedded and arranged at the same pitch, the cross section of the first annular steel strip 2 is cross-shaped and comprises a horizontal part 21 and a vertical part 22, arc-shaped bulbs 23 are arranged at two ends of the horizontal part 21, and the surfaces of two ends of the vertical part 22 of the first annular steel strip 2 are respectively flush with the surfaces of two ends of the second annular steel strip 3; the second annular steel belt 3 comprises an upper annular belt 31, a lower annular belt 32 and a plurality of elastic limiting devices 4, the sections of the upper annular belt 31 and the lower annular belt 32 are symmetrical, the sections of the upper annular belt 31 and the lower annular belt 32 are rectangular, grooves 33 are symmetrically arranged on two sides of the upper annular belt and the lower annular belt, the shapes of the grooves 33 and the arc-shaped ball heads 23 are matched and embedded, the depth of each groove 33 is one fourth of the thickness of the armor layer 1, and the width of each groove 33 is one fourth of the thickness of the armor layer 1; a plurality of elastic limiting devices 4 are uniformly arranged in the middle of the second annular steel belt 3 at intervals, and two ends of the elastic limiting devices are respectively connected with the opposite end faces of the upper annular belt 31 and the lower annular belt 32; the elastic limiting device 4 comprises hook-shaped connecting rods 41 which are rotationally symmetrical along the center, the end faces of the head ends of the connecting rods 41 on the two sides are vertically welded with springs 42, and the end faces of the tail ends of the connecting rods 41 are vertically welded with the opposite end faces of the upper ring belt 31 and the lower ring belt 32 respectively; the upper ring belt 31 and the lower ring belt 32 of the second annular steel belt 3 are symmetrically arranged at the upper side and the lower side of the first annular steel belt 2, and the arc-shaped bulbs 23 of the first annular steel belt 2 are respectively embedded into the grooves 33 of the left and the right adjacent second annular steel belts 3; the surfaces of the first annular steel belt 2 and the second annular steel belt 3 are both polished and subjected to slipping treatment.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tensile armored hose comprises a hose layer and an armor layer, wherein the armor layer is sleeved outside the hose layer,

the armor layer comprises a first annular steel belt and a second annular steel belt which are mutually embedded and arranged at the same screw pitch, the cross section of the first annular steel belt is in a cross shape and comprises a horizontal part and a vertical part, and arc-shaped ball heads are arranged at two ends of the horizontal part;

the second annular steel belt comprises an upper annular belt, a lower annular belt and a plurality of elastic limiting devices, the sections of the upper annular belt and the lower annular belt are symmetrical at two sides, the sections of the upper annular belt and the lower annular belt are rectangular, grooves are symmetrically arranged at two sides, and the grooves are matched and embedded with the arc-shaped ball heads in shape; the elastic limiting devices are uniformly arranged in the middle of the second annular steel belt at intervals, and two ends of the elastic limiting devices are respectively connected with the opposite end faces of the upper annular belt and the lower annular belt;

the elastic limiting device comprises hook-shaped connecting rods which are rotationally symmetrical along the center, springs are perpendicularly welded on the end faces of the head ends of the connecting rods, and the end faces of the connecting rods are perpendicularly welded on the opposite end faces of the upper annular belt and the lower annular belt respectively.

2. A tensile armour hose according to claim 1 in which the end surfaces of the upright portion of the first annular steel band are flush with the end surfaces of the second annular steel band respectively.

3. A tensile armour hose according to claim 1 in which the depth of the groove is one quarter of the thickness of the armour layer and the width of the groove is one quarter of the thickness of the armour layer.

4. The tensile armored hose of claim 1, wherein the upper and lower annular bands of the second annular steel band are symmetrically disposed at upper and lower sides of the first annular steel band, and the arc-shaped bulbs of the first annular steel band are respectively embedded in the grooves of the second annular steel band adjacent to each other left and right.

5. A tensile armour hose according to claim 1 in which the surfaces of the first and second endless steel bands are both treated with a polish-slip treatment.