CN214255656U

CN214255656U - CPVC power protection pipe

Info

Publication number: CN214255656U
Application number: CN202022796293.2U
Authority: CN
Inventors: 孙建中
Original assignee: Jiangsu Pinsheng Management Co ltd
Current assignee: Jiangsu Pinsheng Management Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-21
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a CPVC power protection tube, which comprises a tube body, wherein the inner wall of the tube body is sequentially provided with a wear-resistant layer, a moisture-proof layer and an anti-corrosion layer from inside to outside, the two ends of the tube body are sleeved with a tube sleeve, the inner wall of the tube sleeve is uniformly provided with a plurality of clamping grooves along the circumferential direction, the outer wall of the tube body is provided with a boss matched with the clamping grooves, the boss and the clamping grooves are in one-to-one correspondence, the boss extends along the radial direction of the tube body, at least part of the boss is positioned in the clamping grooves, the outer wall of the tube sleeve is provided with threads, the tube sleeve is in threaded connection with a corrugated pipe, the corrugated pipe is provided with a connecting part connected to the tube sleeve and corrugated nodules connected to the connecting part, the connecting part is connected to the two sides of the corrugated nodules, the corrugated nodules are integrally formed, the inner threads matched with the outer wall of the tube sleeve are arranged in the connecting part, and the end part of the tube body can be effectively protected through the arrangement of the tube sleeve, the abrasion probability of the end part of the pipe body is reduced.

Description

CPVC power protection pipe

Technical Field

The utility model relates to a pipeline processing field, specific is a CPVC power protection pipe.

Background

The CPVC power pipe has the characteristics of high strength, good flexibility, high temperature resistance, corrosion resistance, flame retardance, good insulating property, no pollution, difficult aging, light weight, convenient construction and the like, and all performance indexes of the CPVC power pipe reach or exceed the level of similar domestic products through national-level and provincial detection, identification and certification. The product performance is superior to the traditional asbestos cable duct and the common PVC pipe, and is an ideal substitute for the traditional power cable sheath pipe.

The former CPVC power pipe can receive the wearing and tearing of foreign matter when using, and when the wearing and tearing appeared in the outer wall of CPVC power pipe, the damage of different degrees can appear in inside electric power cable, influences people's normal use, because wearing and tearing appear more easily in pipe wall and both ends, need often overhaul and change CPVC power pipe, and CPVC power pipe installation maintenance cost is higher, and frequent change brings extra economic burden for the user. During installation and construction, when soil is backfilled, the CPVC power pipe is stressed and stretched to deform under the impact of the soil, and is easy to damage.

Disclosure of Invention

In order to overcome at least partial defect among the prior art, the embodiment of the utility model provides a CPVC power protection pipe can overcome prior art, and CPVC power protection pipe easily wears out, the installation of not being convenient for, the fragile defect in the landfill in-process.

The embodiment of the application discloses: a CPVC power protection pipe comprises a pipe body, wherein the inner wall of the pipe body is sequentially provided with a wear-resistant layer, a moisture-proof layer and an anti-corrosion layer from inside to outside, the two ends of the pipe body are sleeved with pipe sleeves, the inner walls of the pipe sleeves are uniformly provided with a plurality of clamping grooves along the circumferential direction, the outer wall of the tube body is provided with bosses matched with the clamping grooves, the bosses correspond to the clamping grooves one by one, the boss extends along the radial direction of the pipe body, at least part of the boss is positioned in the clamping groove, the outer wall of the pipe sleeve is provided with threads, the pipe sleeve is connected with a corrugated pipe in a threaded manner, the corrugated pipe is provided with a connecting part connected to the pipe sleeve and a corrugated node connected to the connecting part, the connecting portion are connected the both sides of ripple knot, the ripple knot with connecting portion integrated into one piece, the inside internal thread that matches of seting up of connecting portion the screw thread on the outer wall of pipe box.

Further, the outer wall of the pipe body is provided with a flame retardant layer, an antistatic layer and an anti-salt fog layer which are sequentially arranged from inside to outside.

Further, the wear-resistant layer is a coating formed by electrostatic spraying of nano wear-resistant powder coating, the moisture-proof layer is a polyurethane moisture-proof coating, and the corrosion-resistant layer is a novolac epoxy coating.

Further, the flame-retardant layer is a polyvinyl chloride flame-retardant coating, the anti-static layer is an ethyl orthosilicate coating, and the anti-salt fog layer is a chlorinated polypropylene resin coating.

Furthermore, a plurality of first connecting holes are formed in the boss, second connecting holes communicated with the clamping grooves are formed in the pipe sleeve, the pipe sleeve is connected to the pipe body through connecting bolts penetrating through the first connecting holes and the second connecting holes, the first connecting holes are uniformly formed in the extending direction of the boss, and the second connecting holes are uniformly formed in the extending direction of the clamping grooves.

Furthermore, a first guide round angle is formed in one side, facing the clamping groove, of the boss.

Further, a second guide round angle is formed at the transition position of the clamping groove and the pipe body.

Further, the connecting bolt is a countersunk head bolt, the second connecting hole is a countersunk head hole, and the countersunk head bolt is located in the countersunk head hole.

The utility model has the advantages as follows: the utility model relates to a CPVC power protection tube, which comprises a tube body, wherein the inner wall of the tube body is sequentially provided with a wear-resistant layer, a moisture-proof layer and an anti-corrosion layer from inside to outside, the two ends of the tube body are sleeved with a tube sleeve, the inner wall of the tube sleeve is uniformly provided with a plurality of clamping grooves along the circumferential direction, the outer wall of the tube body is provided with a boss matched with the clamping grooves, the boss and the clamping grooves are in one-to-one correspondence, the boss extends along the radial direction of the tube body, at least part of the boss is positioned in the clamping grooves, the outer wall of the tube sleeve is provided with threads, the tube sleeve is in threaded connection with a corrugated pipe, the corrugated pipe is provided with a connecting part connected to the tube sleeve and corrugated nodules connected to the connecting part, the connecting part is connected to the two sides of the corrugated nodules, the corrugated nodules are integrally formed, the inner threads matched with the outer wall of the tube sleeve are arranged in the connecting part, and the end part of the tube body can be effectively protected through the arrangement of the tube sleeve, reduce the wearing and tearing probability of body tip, in addition, through the setting of the bellows of connecting on the pipe box, utilize the elasticity change characteristic of bellows, improve the tensile deformability of CPVC power pipe for CPVC power pipe can adapt to the installation demand of multiple environment, receives under the condition that the exogenic action warp at CPVC power pipe, also can not be easily broken.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is a schematic structural diagram of a CPVC power protection pipe.

Fig. 2 is a schematic view illustrating a connection structure between the pipe sleeve and the pipe body in fig. 1.

Fig. 3 is a schematic structural view of the tube in fig. 1.

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.

Referring to fig. 1, 2 and 3, the following description, in combination with the embodiment, provides a CPVC power protection tube in a preferred embodiment of the present invention, including a tube body 1, an inner wall of the tube body 1 is sequentially provided with a wear layer 11, a moisture proof layer 12 and an anti-corrosion layer 13 from inside to outside, two ends of the tube body 1 are sleeved with tube sleeves 2, the inner wall of the tube sleeves 2 is uniformly provided with a plurality of slots 21 along a circumferential direction, an outer wall of the tube body 1 is provided with bosses 14 matching the slots, the bosses 14 correspond to the slots 21 one by one, the bosses 14 extend along a radial direction of the tube body 1, at least a part of the bosses 14 are located in the slots 21, an outer wall of the tube sleeve 2 is provided with threads, the tube sleeve 2 is threadedly connected with a corrugated tube 3, the corrugated tube 3 has a connecting portion 31 connected to the tube sleeve 2 and a corrugated node 32 connected, the connecting portion 31 is connected the both sides of ripple knot 32, ripple knot 32 with connecting portion 31 integrated into one piece, connecting portion 31 is inside to be seted up the internal thread that matches the screw thread on the outer wall of pipe box 2.

Referring to fig. 1 and 2, in the above embodiment, the outer wall of the pipe body 1 has a flame retardant layer 15, an antistatic layer 16 and an anti-salt fog layer 17 which are sequentially arranged from inside to outside. The wear-resistant layer 11 is a coating formed by electrostatic spraying of nano wear-resistant powder coating, the moisture-proof layer 12 is a polyurethane moisture-proof coating, and the corrosion-resistant layer 13 is a novolac epoxy coating. The flame-retardant layer 15 is a polyvinyl chloride flame-retardant coating, the anti-static layer 16 is an ethyl orthosilicate coating, and the anti-salt fog layer 17 is a chlorinated polypropylene resin coating. The inner wall comprises a wear-resistant layer 11, a moisture-proof layer 12 and a corrosion-resistant layer 13; the use of flame retardant coating 15, antistatic backing 16 and anti salt fog layer 17 of outer wall for CPVC tubular product outside possessing the characteristic that CPVC material possessed, the inner wall has better wear-resisting, dampproofing and corrosion resisting properties, and the outer wall has better fire-retardant, antistatic and anti salt fog performance, can use under adverse circumstances or extreme condition, and application scope is wide, life.

Referring to fig. 1 and 3, in the above embodiment, a plurality of first connection holes (not shown) are formed in the boss 14, second connection holes (not shown) communicated with the clamping grooves 21 are formed in the pipe sleeve 2, the pipe sleeve 2 is connected to the pipe body 1 by the connection bolts 4 penetrating through the first connection holes and the second connection holes, the first connection holes are uniformly formed along the extending direction of the boss 14, and the second connection holes are uniformly formed along the extending direction of the clamping grooves 21.

Referring to fig. 1 and 3, in the above embodiment, a first guiding round corner (not shown) is formed at a side of the boss 14 facing the slot 21. Through the setting of first direction fillet, can be with pipe box 2 and body 1 connected in-process, reduce the collision or the friction of pipe box 2 and body 1, and then reduce the wearing and tearing of pipe box 2 and body 1.

Referring to fig. 1 and 3, in the above embodiment, a second guiding fillet (not shown) is formed at a transition position between the slot 21 and the pipe body 1. Through the setting of second direction fillet, can be with pipe box 2 and body 1 connected in-process, reduce the collision or the friction of pipe box 2 and body 1, reduce the wearing and tearing of pipe box 2 and body 1.

Referring to fig. 1 and 3, in the above embodiment, the connecting bolt 4 is a countersunk bolt, the second connecting hole is a countersunk hole, and the countersunk bolt 4 is located in the countersunk hole.

The utility model has the advantages as follows: the utility model relates to a CPVC power protection tube, including a tube body 1, the inner wall of the tube body 1 is provided with a wear layer 11, a moisture-proof layer 12 and an anti-corrosion layer 13 from inside to outside in sequence, the tube sleeve 2 is sleeved at the two ends of the tube body 1, the inner wall of the tube sleeve 2 is uniformly provided with a plurality of clamping grooves 21 along the circumferential direction, the outer wall of the tube sleeve 1 is provided with a boss 14 matched with the clamping grooves, the boss 14 and the clamping grooves 21 are in one-to-one correspondence, the boss 14 extends along the radial direction of the tube body 1, at least part of the boss 14 is positioned in the clamping grooves 21, the outer wall of the tube sleeve 2 is provided with threads, the tube sleeve 2 is in threaded connection with a corrugated tube 3, the corrugated tube 3 is provided with a connecting part 31 connected on the tube sleeve 2 and a corrugated node 32 connected on the connecting part 31, the connecting part 31 is connected at the two sides of the corrugated node 32, the corrugated node 32 and the connecting part 31 are integrally formed, the inner thread matched with the threads on the outer wall of the tube sleeve 2 is arranged inside of the connecting part 31, through the setting of pipe box 2, can effectually protect the tip of body 1, reduce the wearing and tearing probability of body 1 tip, in addition, through the setting of the bellows 3 of connecting on pipe box 2, utilize the elasticity change characteristic of bellows 3, improve the tensile deformability of CPVC power pipe, make CPVC power pipe can adapt to the installation demand of multiple environment, receive under the condition that the exogenic action warp at CPVC power pipe, also can not the light rupture.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a CPVC power protection pipe, includes the body, its characterized in that: the inner wall of the pipe body is sequentially provided with a wear-resistant layer, a moisture-proof layer and a corrosion-resistant layer from inside to outside, two ends of the pipe body are sleeved with pipe sleeves, a plurality of clamping grooves are uniformly arranged on the inner wall of the pipe sleeve along the circumferential direction, bosses matched with the clamping grooves are arranged on the outer wall of the pipe body, the bosses are in one-to-one correspondence with the clamping grooves, the bosses extend along the radial direction of the pipe body, at least part of the bosses are positioned in the clamping grooves, the outer wall of the pipe sleeve is provided with threads, the pipe sleeve is connected with a corrugated pipe in a threaded manner, the corrugated pipe is provided with a connecting part connected to the pipe sleeve and a corrugated node connected to the connecting part, the connecting portion are connected the both sides of ripple knot, the ripple knot with connecting portion integrated into one piece, the inside internal thread that matches of seting up of connecting portion the screw thread on the outer wall of pipe box.

2. A CPVC power protection tube as claimed in claim 1, wherein: the outer wall of the pipe body is provided with a flame-retardant layer, an anti-static layer and an anti-salt fog layer which are sequentially arranged from inside to outside.

3. A CPVC power protection tube as claimed in claim 1, wherein: the wear-resistant layer is a coating formed by electrostatic spraying of nano wear-resistant powder coating, the moisture-proof layer is a polyurethane moisture-proof coating, and the corrosion-resistant layer is a phenolic epoxy coating.

4. A CPVC power protection tube according to claim 2, characterized in that: the flame-retardant layer is a polyvinyl chloride flame-retardant coating, the anti-static layer is an ethyl orthosilicate coating, and the anti-salt fog layer is a chlorinated polypropylene resin coating.

5. A CPVC power protection tube as claimed in claim 1, wherein: the pipe sleeve is connected to the pipe body through a connecting bolt penetrating through the first connecting hole and the second connecting hole, the first connecting hole is evenly formed in the extending direction of the boss, and the second connecting hole is evenly formed in the extending direction of the clamping groove.

6. A CPVC power protection tube as claimed in claim 1, wherein: a first guide round angle is formed in one side, facing the clamping groove, of the boss.

7. A CPVC power protection pipe as set forth in claim 6, wherein: the transition position of the clamping groove and the pipe body is provided with a second guide round angle.

8. A CPVC power protection pipe as set forth in claim 5, wherein: the connecting bolt is a countersunk head bolt, the second connecting hole is a countersunk head hole, and the countersunk head bolt is positioned in the countersunk head hole.