Wear-resistant antistatic metal hose assembly

Abstract

The utility model relates to the technical field of metal hoses, and discloses a wear-resistant antistatic metal hose assembly which comprises an inner pipe, an outer pipe is arranged outside the inner pipe, and a first flange is fixedly connected to the left side of the inner pipe and the left side of the outer pipe. According to the wear-resistant anti-static metal hose assembly, the conductive coating and the wear-resistant coating are arranged, and the wear-resistant sealing gasket not only can improve the wear resistance of one side of the first flange and one side of the second flange, but also can improve the sealing performance when the inner pipe is connected with other pipelines, so that gas or liquid is prevented from leaking in the conveying process; the wear-resistant coating has good wear resistance and tear resistance and is suitable for a low-temperature environment, the conductive coating and the conductive copper sheet can lead out static charges generated by friction, the situation that the static charges cannot be dissipated in time and are gathered on the inner side wall of the inner pipe to affect use is prevented, and the problems that a metal hose assembly is poor in wear-resistant and anti-static performance and poor in wear resistance and tear resistance are solved. And static charges are easily accumulated on the inner wall of the metal hose to influence the use.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal hose technical field, concretely is a kind of wear-resistant antistatic metal hose assembly. BACKGROUND

[0002] Metal hose is important component in modern industrial equipment connecting pipeline, hose body has strong flexibility, stretch, bending and anti-vibration ability, metal hose product includes oil suction hose, steam hose, sand blasting hose, acid and alkali suction hose, food hose, oxygen blowing hose and various special-shaped hose etc. It is widely used in machinery, chemical industry, petroleum, metallurgy, food industry etc.

[0003] Common metal hose assembly still has some problems, for example;When gas, liquid or solid particles flow through metal hose, static charge can be generated due to friction, but the wear-resistant antistatic performance of metal hose assembly is poor, which can easily cause static charge to accumulate on the inner wall of metal hose and affect use.

[0004] Therefore, we propose a wear-resistant antistatic metal hose assembly to improve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of wear-resistant antistatic metal hose assembly to solve the problem that the wear-resistant antistatic performance of metal hose assembly is poor in the above background art, which can easily cause static charge to accumulate on the inner wall of metal hose and affect use.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of wear-resistant antistatic metal hose assembly, including inner tube, the outer portion of the inner tube is provided with outer tube, the left side of the inner tube and outer tube is fixedly connected with first flange, the right side of the inner tube and outer tube is fixedly connected with second flange, the inner side wall of the inner tube is provided with conductive coating, conductive copper sheet is installed between the inner tube and outer tube, the outer portion of the outer tube is provided with wear-resistant coating, the side of the first flange and second flange close to outer portion is provided with wear-resistant sealing pad, the upper and lower ends and the front and rear ends in the first flange and second flange are respectively provided with mounting hole.

[0007] As a further technical scheme of the utility model, the conductive copper sheet is provided with multiple groups, and the conductive copper sheet is arranged at equal intervals between the inner tube and the outer tube.

[0008] As a further technical scheme of the utility model, the left side of the first flange is provided with a reserved groove, the inside of the reserved groove is provided with a mounting plate, the inside of the mounting plate is provided with a filter screen, the upper and lower ends of the inside of the mounting plate are provided with spring grooves, the inside of the spring grooves is provided with limiting springs, the inside of the limiting springs is provided with dampers, the end close to the outside of the limiting spring and the damper is fixedly connected with a connecting plate, the end close to the outside of the connecting plate is fixedly connected with a limiting clamping block, the upper and lower ends of the inside of the reserved groove are provided with limiting clamping grooves.

[0009] As a further technical scheme of the utility model, the limiting clamping block is embedded in the inside of the limiting clamping groove, and the mounting plate is mounted in the inside of the reserved groove through the limiting clamping groove and the limiting clamping block.

[0010] As a further technical scheme of the utility model, the inside of the inner tube and the outer tube is filled with thermal insulation cotton and elastic cotton, the thermal insulation cotton is arranged on the outside of the inner tube, and the elastic cotton is arranged on the inner side wall of the outer tube.

[0011] As a further technical scheme of the utility model, the elastic cotton is arranged between the thermal insulation cotton and the outer tube, and the thermal insulation cotton is arranged between the elastic cotton and the inner tube.

[0012] Compared with the prior art, the utility model has the advantages that the wear-resistant and anti-static metal hose assembly not only improves the wear-resistant and anti-static performance, facilitates the filtration of gas and liquid, but also prevents the deformation of the metal hose.

[0013] (1) The wear-resistant sealing gasket can increase the wear-resistant performance of the first flange and the side of the second flange, increase the sealing performance when the inner tube is connected with other pipelines, prevent the leakage of gas or liquid during the conveying process, the wear-resistant coating is a polyurethane coating, the wear-resistant coating has good wear resistance and tear resistance, is suitable for low-temperature environments, the conductive coating and the conductive copper sheet can conduct the static electricity generated by friction, prevent the static electricity from being accumulated on the inner side wall of the inner tube and affecting the use, and the like.

[0014] (2) The filter screen, the mounting plate, the spring grooves, the limiting clamping block, the limiting clamping groove, the limiting spring and the damper are arranged, the mounting plate is placed in the inside of the reserved groove by pressing the limiting clamping block, the limiting clamping block is embedded in the inside of the limiting clamping groove through the elasticity of the limiting spring after being placed, so that the mounting plate can be mounted in the inside of the reserved groove, the filter screen in the inside of the reserved groove can filter the conveyed gas and liquid, the limiting clamping block can be separated from the inside of the limiting clamping groove by pulling the connecting plate when the filter screen is not needed, and the mounting plate can be dismounted by losing the fixation.

[0015] (3) through the setting has the heat preservation cotton and the elastic cotton, the heat preservation cotton can keep warm and the temperature isolation to the inside of the inner tube, can increase the application scope of the metal hose, the elastic cotton of the outside of the heat preservation cotton has certain elasticity, when the outer tube is under the pressure, the outer tube will be concave, after the pressure disappears, the elastic cotton will make the outer tube rebound through the elasticity of itself, so that the metal hose can be prevented from deforming when using. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view sectional structure schematic diagram of the utility model;

[0017] Figure 2 It is the installation board side view sectional enlarged structure schematic diagram of the utility model;

[0018] Figure 3 It is the inner tube front view local sectional enlarged structure schematic diagram of the utility model;

[0019] Figure 4 It is the Figure 1 Inner tube A sectional enlarged structure schematic diagram of the utility model.

[0020] In the drawing: 1, inner tube;2, first flange;3, outer tube;4, wear-resistant sealing pad;5, reserved groove;6, filter screen;7, conductive copper sheet;8, heat preservation cotton;9, elastic cotton;10, conductive coating;11, wear-resistant coating;12, mounting hole;13, second flange;14, installation plate;15, spring groove;16, limit block;17, connecting plate;18, limit slot;19, limit spring;20, damper. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment;A kind of wear-resistant antistatic metal hose assembly, including inner tube 1, the outside of inner tube 1 is provided with outer tube 3, the left side of inner tube 1 and outer tube 3 is fixedly connected with first flange 2, the right side of inner tube 1 and outer tube 3 is fixedly connected with second flange 13, the inner side wall of inner tube 1 is provided with conductive coating 10, and conductive copper sheet 7 is installed between inner tube 1 and outer tube 3, the outside of outer tube 3 is provided with wear-resistant coating 11, the side close to outside of first flange 2 and second flange 13 is provided with wear-resistant sealing pad 4, and installation hole 12 is respectively formed in the upper and lower ends and the front and rear ends in the inside of first flange 2 and second flange 13;

[0023] The conductive copper sheet 7 is provided in multiple groups, and the conductive copper sheet 7 is arranged at equal intervals between the inner pipe 1 and the outer pipe 3;

[0024] Specifically, as shown in Figure 1 , Figure 3 and Figure 4 , the wear-resistant sealing gasket 4 can not only increase the wear resistance on one side of the first flange 2 and the second flange 13, but also increase the sealing performance when the inner pipe 1 is connected with other pipelines, preventing gas or liquid from leaking during transportation. The wear-resistant coating 11 is a polyurethane coating, which has good wear resistance and tear resistance and is suitable for low-temperature environments. The conductive coating 10 and the conductive copper sheet 7 can conduct the static electricity generated by friction, preventing static electricity from accumulating on the inner sidewall of the inner pipe 1 and affecting use.

[0025] A reserved groove 5 is formed on the left side inside the first flange 2, a mounting plate 14 is arranged inside the reserved groove 5, a filter screen 6 is mounted inside the mounting plate 14, spring grooves 15 are formed at the upper and lower ends inside the mounting plate 14, limit springs 19 are mounted inside the spring grooves 15, dampers 20 are arranged inside the limit springs 19, a connecting plate 17 is fixedly connected to one end of the limit springs 19 and the dampers 20 close to the outside, a limit clamping block 16 is fixedly connected to one end of the connecting plate 17 close to the outside, limit clamping grooves 18 are formed at the upper and lower ends inside the reserved groove 5, and the limit clamping block 16 is embedded inside the limit clamping grooves 18; and the mounting plate 14 is mounted inside the reserved groove 5 through the limit clamping grooves 18 and the limit clamping block 16;

[0026] Specifically, as shown in Figure 1 , Figure 2 and Figure 4 , the mounting plate 14 is placed inside the reserved groove 5 by pressing the limit clamping block 16, and after being placed, the limit clamping block 16 is embedded inside the limit clamping groove 18 by the elasticity of the limit spring 19, so that the mounting plate 14 can be mounted inside the reserved groove 5. The filter screen 6 inside the reserved groove 5 can filter the transported gas and liquid. When filtration is not required, the limit clamping block 16 can be separated from the limit clamping groove 18 by pulling the connecting plate 17, so that the mounting plate 14 loses fixation and can be disassembled.

[0027] Thermal insulation cotton 8 and elastic cotton 9 are filled between the inner pipe 1 and the outer pipe 3. The thermal insulation cotton 8 is arranged outside the inner pipe 1, the elastic cotton 9 is arranged on the inner sidewall of the outer pipe 3, the elastic cotton 9 is arranged between the thermal insulation cotton 8 and the outer pipe 3, and the thermal insulation cotton 8 is arranged between the elastic cotton 9 and the inner pipe 1;

[0028] Specifically, as shown in Figure 1 and Figure 3The heat preservation cotton 8 can preserve heat and insulate the inner part of the inner tube 1, so the application range of the metal hose can be increased.

[0029] The working principle is as follows: when the metal hose is used, the limiting block 16 is pressed to place the mounting plate 14 into the reserved groove 5, and after the mounting plate 14 is placed, the limiting spring 19 makes the limiting block 16 embedded into the limiting block slot 18 through the elasticity of the limiting spring 19, so that the mounting plate 14 is installed in the reserved groove 5, the filter screen 6 in the reserved groove 5 can filter the gas and liquid, the wear-resistant sealing gasket 4 can not only increase the wear resistance of the first flange 2 and the second flange 13, but also increase the sealing performance when the inner tube 1 is connected with other pipelines, so as to prevent the gas or liquid from leaking during the conveying process, the wear-resistant coating 11 is a polyurethane coating, the wear-resistant coating 11 has good wear resistance and tear resistance, is suitable for low-temperature environment, the conductive coating 10 and the conductive copper sheet 7 can conduct the static electricity generated by friction, prevent the static electricity from gathering on the inner wall of the inner tube 1 and affecting use, the heat preservation cotton 8 can preserve heat and insulate the inner part of the inner tube 1, so the application range of the metal hose can be increased, and the elastic cotton 9 outside the heat preservation cotton 8 has a certain elasticity, when the outer tube 3 is subjected to pressure, the outer tube 3 will be depressed, and after the pressure disappears, the elastic cotton 9 makes the outer tube 3 rebound through the elasticity of the elastic cotton 9, so that the metal hose can be prevented from deforming during use, when no filtering is needed, the connecting plate 17 can be pulled to make the limiting block 16 separated from the limiting block slot 18, and when the limiting block 16 is separated from the limiting block slot 18, the mounting plate 14 is fixed, so that the mounting plate 14 can be disassembled.

[0030] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A wear-resistant and antistatic metal flexible hose assembly, comprising an inner tube (1), characterized in that: An outer tube (3) is provided outside the inner tube (1). A first flange (2) is fixedly connected to the left side of the inner tube (1) and the outer tube (3). A second flange (13) is fixedly connected to the right side of the inner tube (1) and the outer tube (3). A conductive coating (10) is provided on the inner wall of the inner tube (1). A conductive copper sheet (7) is installed between the inner tube (1) and the outer tube (3). A wear-resistant coating (11) is provided on the outside of the outer tube (3). A wear-resistant sealing gasket (4) is provided on the side of the first flange (2) and the second flange (13) near the outside. Mounting holes (12) are respectively opened at the upper and lower ends and the front and rear ends inside the first flange (2) and the second flange (13).

2. The wear-resistant and antistatic metal hose assembly according to claim 1, characterized in that: Multiple sets of conductive copper sheets (7) are provided, and the conductive copper sheets (7) are arranged at equal intervals between the inner tube (1) and the outer tube (3).

3. The wear-resistant and antistatic metal hose assembly according to claim 1, characterized in that: A reserved groove (5) is provided on the left side inside the first flange (2). An installation plate (14) is provided inside the reserved groove (5). A filter screen (6) is installed inside the installation plate (14). Spring grooves (15) are provided at the upper and lower ends inside the installation plate (14). A limit spring (19) is installed inside the spring groove (15). A damper (20) is provided inside the limit spring (19). A connecting plate (17) is fixedly connected to the end of the limit spring (19) and the damper (20) near the outside. A limit block (16) is fixedly connected to the end of the connecting plate (17) near the outside. Limit slots (18) are provided at the upper and lower ends inside the reserved groove (5).

4. The wear-resistant and antistatic metal hose assembly according to claim 3, characterized in that: The limiting block (16) is embedded inside the limiting slot (18), and the mounting plate (14) is installed inside the reserved slot (5) through the limiting slot (18) and the limiting block (16).

5. The wear-resistant and antistatic metal hose assembly according to claim 1, characterized in that: The space between the inner tube (1) and the outer tube (3) is filled with thermal insulation cotton (8) and elastic cotton (9). The thermal insulation cotton (8) is placed on the outside of the inner tube (1), and the elastic cotton (9) is placed on the inner side wall of the outer tube (3).

6. The wear-resistant and antistatic metal hose assembly according to claim 5, characterized in that: The elastic cotton (9) is disposed between the insulation cotton (8) and the outer tube (3), and the insulation cotton (8) is disposed between the elastic cotton (9) and the inner tube (1).

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