CN216479406U

CN216479406U - Double-walled PE bellows of anti external pressure

Info

Publication number: CN216479406U
Application number: CN202122470988.6U
Authority: CN
Inventors: 陈立勇
Original assignee: Zhejiang Ding Da Environmental Technology Co ltd
Current assignee: Zhejiang Ding Da Environmental Technology Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-05-10
Anticipated expiration: 2031-10-14

Abstract

The utility model relates to the technical field of corrugated pipes and discloses an external pressure resistant double-wall PE corrugated pipe which comprises a pipe body, wherein the pipe body comprises an extension pipe and a corrugated hose, the opposite ends of the extension pipe are communicated with the two ends of the corrugated hose, and the extension pipe and the corrugated hose are both formed by bonding PE double-layer materials; according to the utility model, through the arrangement of the ABS/PC alloy material coating and the polystyrene resin material coating, a layer of firm reinforced film is formed on the outer wall and the inner wall of the corrugated pipe after the ABS/PC alloy material coating and the polystyrene resin material coating are solidified, so that the anti-extrusion capability of the corrugated pipe is improved, the corrugated pipe is prevented from deforming when the corrugated pipe is extruded by external force, the corrugated hose is supported through the arrangement of the first steel ring and the second steel ring, the anti-deformation capability of the corrugated hose is enhanced, the corrugated pipe is prevented from being flattened, and the problem that the traditional double-wall PE corrugated pipe is weak in external pressure resistance is solved.

Description

Double-walled PE bellows of anti external pressure

Technical Field

The utility model relates to the technical field of corrugated pipes, in particular to a double-wall PE corrugated pipe resistant to external pressure.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction, is widely applied to instruments and meters, is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, and has the advantages of thin pipe wall, high sensitivity and measurement range of dozens of Pa to dozens of MPa. Its open end is fixed, its sealed end is in free state, and it utilizes auxiliary helical spring or reed to increase elasticity, and when it is worked, it can be extended along the length direction of pipe under the action of internal pressure, so that the movable end can produce displacement in a certain relationship with pressure.

The bellows is all more common in daily life and work, and the bellows utilizes the fold on surface can stretch the body, but because the fold is higher than other structures of body, easily when receiving the extrusion, bears great pressure, and the ability of traditional bellows anti external pressure is more weak, causes the bellows to be extruded and sinks easily, can't support the protection to the object of inside interlude, causes the bellows damage easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-wall PE corrugated pipe with high external pressure resistance, which has the advantage of high external pressure resistance and solves the problem of low external pressure resistance of the traditional double-wall PE corrugated pipe.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an anti external pressure's double-walled PE bellows, includes the body, the body includes extension pipe and corrugated hose, extension pipe one end in opposite directions and corrugated hose's both ends intercommunication, extension pipe and corrugated hose all adopt the bonding of the double-deck material of PE to form, corrugated hose's surface and the equal spraying of inner chamber have the strengthening layer, the strengthening layer includes ABS/PC alloy material coating and polystyrene resin material coating, the outside spraying of strengthening layer has the lubricating layer, the lubricating layer includes polyimide resin material coating and polytetrafluoroethylene resin material coating.

Preferably, the ABS/PC alloy material coating is sprayed on the surface and the inner cavity of the corrugated hose, and the polystyrene resin material coating is sprayed on the outer side of the ABS/PC alloy material coating.

Preferably, the polyimide resin material coating is sprayed on the outer side of the polystyrene resin material coating, and the polytetrafluoroethylene resin material coating is sprayed on the outer side of the polyimide resin material coating.

Preferably, a first steel ring and a second steel ring are respectively embedded in the corrugated hose from left to right, and the first steel ring and the second steel ring are alternately distributed.

Preferably, the fixed boxes are sequentially fixed on the periphery of the surface of the corrugated hose from left to right, the inner cavity of each fixed box is connected with a soft board in a sliding mode, and the left side of each soft board penetrates through the fixed boxes and is fixedly connected with the surface of the corrugated hose.

Preferably, the sum of the thicknesses of the coatings of the ABS/PC alloy material coating and the polystyrene resin material coating is 50 μm, and the sum of the thicknesses of the coatings of the polyimide resin material coating and the polytetrafluoroethylene resin material coating is 20 μm.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arrangement of the ABS/PC alloy material coating and the polystyrene resin material coating, a layer of firm reinforced film is formed on the outer wall and the inner wall of the corrugated pipe after the ABS/PC alloy material coating and the polystyrene resin material coating are solidified, so that the anti-extrusion capability of the corrugated pipe is improved, the corrugated pipe is prevented from deforming when the corrugated pipe is extruded by external force, the corrugated hose is supported through the arrangement of the first steel ring and the second steel ring, the anti-deformation capability of the corrugated hose is enhanced, the corrugated pipe is prevented from being flattened, and the problem that the traditional double-wall PE corrugated pipe is weak in external pressure resistance is solved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic side sectional view of the corrugated hose of the present invention;

FIG. 4 is a schematic cross-sectional view of the fastening box of the present invention;

fig. 5 is a partial sectional view schematically showing a structure of a corrugated hose according to the present invention.

In the figure: 1. a pipe body; 101. an extension pipe; 102. a corrugated hose; 2. a strengthening layer; 21. ABS/PC alloy material coating; 22. a coating of a polystyrene resin material; 3. a lubricating layer; 31. a polyimide resin material coating; 32. coating with polytetrafluoroethylene resin material; 4. a first steel ring; 5. a second steel ring; 6. a fixing box; 7. and (4) a soft board.

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.

Referring to fig. 1-5, an external pressure resistant double-wall PE corrugated pipe includes a pipe body 1, the pipe body 1 includes an extension pipe 101 and a corrugated hose 102, one end of the extension pipe 101 opposite to the other end is communicated with two ends of the corrugated hose 102, the extension pipe 101 and the corrugated hose 102 are bonded by PE double-layer materials, a reinforcing layer 2 is sprayed on the surface and the inner cavity of the corrugated hose 102, the reinforcing layer 2 includes an ABS/PC alloy material coating 21 and a polystyrene resin material coating 22, a lubricating layer 3 is sprayed on the outer side of the reinforcing layer 2, the lubricating layer 3 includes a polyimide resin material coating 31 and a polytetrafluoroethylene resin material coating 32, a firm reinforcing film is formed on the outer wall and the inner wall of the corrugated pipe after the ABS/PC alloy material coating 21 and the polystyrene resin material coating 22 are solidified, promote the anti extrusion ability of bellows, prevent that the bellows from taking place to warp when receiving external force extrusion, through the setting of first steel ring 4 and second steel ring 5, support corrugated hose 102, strengthen corrugated hose 102's anti deformability prevents that the bellows from being flattened, has solved the weak problem of traditional double-walled PE bellows anti external pressure ability.

Referring to fig. 5, an ABS/PC alloy material coating 21 is sprayed on the surface and the inner cavity of the corrugated hose 102, a polystyrene resin material coating 22 is sprayed on the outer side of the ABS/PC alloy material coating 21, and a layer of firm reinforced film is formed on the outer wall and the inner wall of the corrugated hose after the ABS/PC alloy material coating 21 and the polystyrene resin material coating 22 are solidified by the ABS/PC alloy material coating 21 and the polystyrene resin material coating 22, so as to improve the anti-extrusion capability of the corrugated hose and prevent the corrugated hose from deforming when the corrugated hose is extruded by an external force.

Referring to fig. 5, a polyimide resin material coating 31 is sprayed on the outer side of the polystyrene resin material coating 22, a polytetrafluoroethylene resin material coating 32 is sprayed on the outer side of the polyimide resin material coating 31, and the polyimide resin material coating 31 and the polytetrafluoroethylene resin material coating 32 are arranged, so that the smoothness of the surface of the corrugated hose 102 is enhanced conveniently, and when an external force is applied to extrude the corrugated hose, the impact of the external force on the corrugated hose is reduced because the surface of the corrugated hose is smooth and slides to one side, and the reinforcing layer 2 is protected.

Referring to fig. 2 and 3, a first steel ring 4 and a second steel ring 5 are respectively embedded in the corrugated tube 102 from left to right, the first steel ring 4 and the second steel ring 5 are alternately distributed, and the corrugated tube 102 is supported by the first steel ring 4 and the second steel ring 5, so that the deformation resistance of the corrugated tube 102 is enhanced, and the corrugated tube is prevented from being flattened.

Referring to fig. 1, 2 and 4, the fixing boxes 6 are sequentially fixed on the periphery of the surface of the corrugated hose 102 from left to right, the inner cavity of the fixing box 6 is connected with the soft board 7 in a sliding manner, the left side of the soft board 7 penetrates through the fixing box 6 and is fixedly connected with the surface of the corrugated hose 102, and through the arrangement of the fixing box 6 and the soft board 7, the corrugated hose 102 is elastically buffered by the elasticity of the soft board 7, so that the corrugated hose 102 is prevented from being directly stretched when being extruded, and the extrusion resistance of the corrugated hose 102 is reduced.

Referring to fig. 5, the sum of the thicknesses of the ABS/PC alloy material coating 21 and the polystyrene resin material coating 22 is 50 μm, and the sum of the thicknesses of the polyimide resin material coating 31 and the polytetrafluoroethylene resin material coating 32 is 20 μm, so that the strength and the surface lubricity of the corrugated pipe can be improved conveniently by setting the thicknesses of the reinforcing layer 2 and the lubricating layer 3, and the cost can be saved.

The working principle is as follows: when the foreign object contacts the corrugated pipe and extrudes the corrugated pipe, the polyimide resin material coating 31 and the polytetrafluoroethylene resin material coating 32 are sprayed on the surface of the corrugated hose 102, so that the surface of the corrugated hose 102 is smooth, the foreign object is easy to slide to one side when the corrugated pipe is extruded, the impact on the corrugated pipe is reduced, meanwhile, the ABS/PC alloy material coating 21 and the polystyrene resin material coating 22 form a protective layer on the outer wall and the inner wall of the corrugated hose 102, so that the strength of the corrugated hose is improved, meanwhile, the first steel ring 4 and the second steel ring 5 support the corrugated hose 102, so that the corrugated hose 102 is prevented from being deformed under the extrusion of foreign objects, meanwhile, the corrugated pipe extends to two sides after being extruded, the soft board 7 slides in the inner cavity of the fixed box 6, and the corrugated hose 102 can be pulled after the soft board 7 is completely moved out of the fixed box 6, so that the corrugated hose 102 is prevented from being stretched, and the strength of the corrugated pipe is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti outer pressure's double-walled PE bellows, includes body (1), its characterized in that: body (1) includes extension pipe (101) and corrugated hose (102), extension pipe (101) one end in opposite directions and the both ends intercommunication of corrugated hose (102), extension pipe (101) and corrugated hose (102) all adopt the bonding of the double-deck material of PE to form, the surface and the inner chamber of corrugated hose (102) are all sprayed and are had strengthening layer (2), strengthening layer (2) include ABS/PC alloy material coating (21) and polystyrene resin material coating (22), the outside spraying of strengthening layer (2) has lubricating layer (3), lubricating layer (3) include polyimide resin material coating (31) and polytetrafluoroethylene resin material coating (32).

2. A double-walled PE corrugated pipe against external pressure as claimed in claim 1, wherein: the ABS/PC alloy material coating (21) is sprayed on the surface and the inner cavity of the corrugated hose (102), and the polystyrene resin material coating (22) is sprayed on the outer side of the ABS/PC alloy material coating (21).

3. A double-walled PE corrugated pipe against external pressure as claimed in claim 1, wherein: the polyimide resin material coating (31) is sprayed on the outer side of the polystyrene resin material coating (22), and the polytetrafluoroethylene resin material coating (32) is sprayed on the outer side of the polyimide resin material coating (31).

4. A double-walled PE corrugated pipe against external pressure as claimed in claim 1, wherein: a first steel ring (4) and a second steel ring (5) are respectively embedded in the corrugated hose (102) from left to right, and the first steel ring (4) and the second steel ring (5) are alternately distributed.

5. A double-walled PE corrugated pipe against external pressure as claimed in claim 1, wherein: all be fixed with fixed box (6) from a left side to the right side around corrugated hose (102) surface in proper order, the inner chamber sliding connection of fixed box (6) has soft board (7), the left side of soft board (7) run through fixed box (6) and with the fixed surface connection of corrugated hose (102).

6. A double-walled PE corrugated pipe against external pressure as claimed in claim 1, wherein: the sum of the coating thicknesses of the ABS/PC alloy material coating (21) and the polystyrene resin material coating (22) is 50 mu m, and the sum of the coating thicknesses of the polyimide resin material coating (31) and the polytetrafluoroethylene resin material coating (32) is 20 mu m.