CN109167328B

CN109167328B - Lining pipe

Info

Publication number: CN109167328B
Application number: CN201811352297.2A
Authority: CN
Inventors: 赵鹏
Original assignee: Zibo Jiu'an Electric Technology Co ltd
Current assignee: Zibo Jiu'an Electric Technology Co ltd
Priority date: 2018-11-14
Filing date: 2018-11-14
Publication date: 2020-12-29
Anticipated expiration: 2038-11-14
Also published as: CN109167328A

Abstract

The invention discloses a lining pipe, which comprises a pipe body and an insulating member arranged on the outer wall of the pipe body; wherein, the body includes a plurality of pipeline sections, and the pipeline section is connected in proper order end to end in order to form the body, and the pipeline section is C type structure, can install and dismantle the body with the mode of pulling the body. In the process of mounting the lining pipe, the mounting of the lining pipe can be realized only by pulling one end of the pipe body, in the process of dismounting the lining pipe, the dismounting of the lining pipe can be realized only by pulling one end of the pipe body and pulling the pipe body reversely from the other end of the pipe body, and meanwhile, the insulating member collapses from one end close to the pipe body to the other end close to the pipe body until the dismounting of the lining pipe is completed, so that the operation is simple, the mounting and dismounting of the lining pipe are facilitated, and the use experience of a user is further improved; the lining pipe also comprises an insulating component arranged on the outer wall of the pipe body, the insulating component prevents the cable from being damaged and leaking electricity, the electric shock of an operator is avoided, and the use safety of the cable is improved.

Description

Lining pipe

Technical Field

The invention relates to the technical field of buildings, in particular to a lining pipe.

Background

In the butt joint of the power cable, after the conducting wire is in butt joint, because the insulating layer is stripped, an insulating sheath needs to be manufactured to ensure the safety of a cable joint part, and a silicone rubber cold-shrinkable cable intermediate joint with good elasticity and insulativity is usually used as the insulating sheath of the cable joint. The elastic sheath of the cold-contraction cable intermediate joint is made of high-temperature vulcanized organic silicon rubber, the two ends of the elastic sheath are correspondingly provided with stress cones, and the middle part of the inner wall is provided with an inner shielding tube. The elastic sheath is sleeved outside the lining pipe after pre-expansion, and the lining pipe plays a supporting role in keeping the expansion state of the elastic sheath. However, the conventional inner liner tube is formed by winding a special-shaped non-metal or metal strip into a cylindrical shape and spot-welding the wound tube therebetween. The lining pipe is wound by a hasp-type special-shaped strip, is controlled by a special-shaped strip lap, a spiral groove is inevitably formed on the outer surface, after the cable terminal made of an expanded organic material is sleeved, a corresponding flange is easily formed on the inner hole wall of the cable terminal due to the resilience of the organic material, the elastic deformation is more serious in the long-term storage process, the modified lining pipe is very inconvenient to disassemble, the cable is easily damaged in the disassembling process, and safety accidents are easily caused.

In view of the above, a new liner tube is needed to solve the above problems.

Disclosure of Invention

The embodiment of the invention provides a lining pipe, which is convenient for mounting and dismounting the lining pipe, and further improves the use experience of a user.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a lining pipe, which comprises a pipe body and an insulating component arranged on the outer wall of the pipe body; the pipe body comprises a plurality of pipe sections, the pipe sections are sequentially connected end to form the pipe body, the pipe sections are of C-shaped structures, and the pipe body can be installed and disassembled in a pulling mode.

In some alternative embodiments, the tube segment includes a first portion, a second portion, and a third portion, a first end of the first portion being connected by a first end of the second portion and a first end of the third portion, an opening being formed between a second end of the first portion and a second end of the third portion.

In some alternative embodiments, the pipe body further comprises a first connecting section and a second connecting section, the second ends of the first portions of two adjacent pipe sections being connected by the first connecting section; or the second ends of the third parts of two adjacent pipe sections are connected through the second connecting section.

In some alternative embodiments, the first portion is an arcuate structure; and the second portion is an arcuate structure; and the third portion is an arcuate structure.

In some alternative embodiments, the first connecting section is an arc-shaped structure; and the second connecting section is of an arc-shaped structure.

In some alternative embodiments, the lining tube further comprises a reinforcing member disposed within the tube body, the reinforcing member for increasing the supporting strength of the tube body.

In some alternative embodiments, the reinforcing member comprises at least one reinforcing bead disposed within the second portion for increasing the support strength of the second portion.

In some optional embodiments, the pipe body is further provided with a clamping member for clamping connection, and the pipe body is connected with a cable through the clamping member.

In some optional embodiments, the engaging member includes an engaging groove provided on the tube, the cable is provided with an engaging block for engaging connection, and the engaging groove on the tube is capable of engaging with the engaging block on the cable.

In some alternative embodiments, the liner tube is a cold-shrink liner tube.

Compared with the technical scheme that the lining pipe is wound into a cylinder shape by adopting a special-shaped nonmetal or metal strip material in the prior art, the lining pipe can be installed by only pulling one end of the pipe body in the process of installing the lining pipe, and can be disassembled by only pulling one end of the pipe body to pull the pipe body reversely from the other end of the pipe body in the process of disassembling the lining pipe until the disassembling of the lining pipe is completed.

Further, the insulating member arranged on the outer wall of the pipe body can prevent the cable from being damaged and leaking electricity, so that electric shock of operators is avoided, and the use safety of the cable is improved.

Furthermore, the lining pipe also comprises a reinforcing member arranged in the pipe body, and the reinforcing member is used for improving the strength of the pipe body, can better support the cable, prevents the deformation caused by insufficient support strength of the pipe body, further improves the reliability of the lining pipe and improves the use safety of the cable.

Drawings

FIG. 1 is a schematic view of a liner tube according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a tube according to an embodiment of the present invention.

Reference numerals:

wherein, 1, a tube body; 11. a pipe section; 111. a first portion; 112. a second portion; 113. a third portion; 12. a first connection section; 13. a second connection section; 2. an insulating member; 3. an engaging member.

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 scope of protection of the present patent.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a lining pipe according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a tube according to an embodiment of the present invention. As shown in fig. 1 and 2, the present invention provides an inner liner tube including a tube body 1 and an insulating member 2 disposed on an outer wall of the tube body 1; the pipe body 1 comprises a plurality of pipe sections 11, the pipe sections 11 are sequentially connected end to form the pipe body 1, and the pipe sections 11 are of C-shaped structures and can be used for installing and disassembling the pipe body 1 in a mode of pulling the pipe body 1.

The lining pipe comprises a pipe body 1, the pipe body 1 comprises a plurality of pipe sections 11, the pipe sections 11 are sequentially connected end to form the pipe body 1, the pipe sections 11 are of a C-shaped structure, and compared with the technical scheme that the lining pipe in the prior art is wound into a cylindrical shape by adopting special-shaped non-metal or metal strips, in the process of installing the lining pipe, the installation of the lining pipe can be realized only by pulling one end of the pipe body, in the process of disassembling the lining pipe, the disassembly of the lining pipe can be realized only by pulling one end of the pipe body to reversely pull the pipe body from the other end of the pipe body until the disassembly of the lining pipe is completed, the structure of the lining pipe is simplified, the operation is simple, the installation and the disassembly of the lining pipe are convenient, and the use experience of a user is further improved.

Further, interior bushing pipe still includes the insulating member 2 of setting on body 1 outer wall, and insulating member 2 prevents that the cable from damaging and the electric leakage, has avoided operating personnel to electrocute, has improved the safety in utilization of cable.

In an alternative embodiment, as shown in FIG. 1, the pipe segment 11 includes a first portion 111, a second portion 112, and a third portion 113, wherein a first end of the first portion 111 is connected to a first end of the second portion 112 and a first end of the third portion 113, and an opening is formed between a second end of the first portion 111 and a second end of the third portion 113. The opening directions of all the pipe sections 11 face the same direction, so that the pipe body 1 forms an opening in the same direction to form a semi-winding coating for the cable.

Preferably, a first end of the first portion 111 is connected to a first end of the second portion 112, and a second end of the second portion 112 is connected to a first end of the third portion 113. Of course, the connecting point of the first portion 111 and the second portion 112 and the connecting point of the third portion 113 and the second portion 112 are not limited to the above-mentioned points, and the first end of the first portion 111 and the middle portion of the second portion 112 or the first end of the third portion 113 and the middle portion of the second portion 112 may be connected without departing from the scope of the present invention.

Preferably, the first portion 111 is an arc-shaped structure.

Further, the inner side wall of the first portion 111 is recessed toward the outer side wall of the first portion 111, so that the cable can be wrapped well.

Preferably, the second portion 112 is an arcuate structure.

Further, the inner side wall of the second portion 112 is recessed toward the outer side wall of the second portion 112, so that the cable can be wrapped well.

Preferably, the third portion 113 has an arc-shaped structure.

Further, the inner side wall of the third portion 113 is recessed toward the outer side wall of the third portion 113, so that the cable can be wrapped well.

Preferably, an opening formed between the second end of the first portion 111 and the second end of the third portion 113 is an arc-shaped structure.

Preferably, the first portion 111, the second portion 112, and the third portion 113 are made of a ceramic or ceramic matrix composite material.

Preferably, the first portion 111, the second portion 112 and the third portion 113 are externally wrapped with an insulating layer. Of course, the insulating member 2 is not limited to the above-mentioned insulating layer, and other insulating members 2 may be used, and any insulating member 2 may be used as long as it can insulate.

In an alternative embodiment, as shown in fig. 1, the pipe body 1 further includes a first connecting section 12 and a second connecting section 13, and the second ends of the first portions 111 of two adjacent pipe sections 11 are connected by the first connecting section 12; or the second ends of the third portions 113 of two adjacent pipe segments 11 are connected by the second connecting segment 13.

Preferably, the first connecting section 12 has an arc-shaped structure, so that corners are avoided, and the cable is prevented from being damaged in the assembling and disassembling processes.

Preferably, the second connecting section 13 is an arc-shaped structure, so that an edge angle is avoided, and a cable is prevented from being damaged in the installation and disassembly processes.

In an alternative embodiment, although not shown in the figures, the lining pipe further comprises a reinforcing member provided inside the pipe body 1 for improving the supporting strength of the pipe body 1.

Preferably, the reinforcing member comprises one reinforcing rib provided in the second portion 112 for improving the supporting strength of the second portion 112. Of course, the number of the reinforcing ribs is not limited to one, and those skilled in the art can flexibly adjust and set the number of the reinforcing ribs in practical applications as long as all the reinforcing ribs are spaced in the second portion 112 to improve the supporting strength of the second portion 112. Of course, reinforcing ribs may be provided in the first and third portions 111 and 113 as long as the supporting strength of the pipe segment 11 can be improved.

Preferably, the reinforcing rib is made of nylon.

In an alternative embodiment, as shown in fig. 1, an engaging member 3 for engaging and connecting is further provided on the pipe body 1, and the pipe body 1 is connected to a cable through the engaging member 3.

Preferably, the engaging member 3 includes an engaging groove provided in the pipe body 1, the cable is provided with an engaging block for engaging and connecting, and the engaging groove in the pipe body 1 and the engaging block in the cable can be connected in an engaging manner.

Preferably, the engaging groove is formed between the first portions 111 of two adjacent pipe segments 11.

Preferably, the engaging groove is formed between the third portions 113 of two adjacent pipe segments 11.

In an alternative embodiment, the engaging member 3 is a snap fastener, the snap fastener includes a snap fastener head and a snap fastener tail, the snap fastener head is three-forked, one end of the snap fastener hole is the snap fastener tail, and the snap fastener tail is triangular; the second portion 112 is connected to the snap head, and the second portion 112 is connected to the cable via the snap.

In yet another alternative embodiment, the engaging member 3 comprises an engaging groove provided at the bottom of the second portion 112, the cable is provided with an engaging block for engaging connection, and the engaging groove of the second portion 112 can be connected with the engaging block of the cable in an engaging manner. Of course, it will be appreciated by those skilled in the art that a snap block may be provided on the top of the second portion 112, a snap groove may be provided on the cable for snap connection, and the snap block on the second portion 112 may be connected with the snap groove on the cable in a snap manner without departing from the spirit and scope of the present invention.

Furthermore, the width of the clamping block is gradually reduced from the connecting end of the clamping block and the second part 112 to the free end of the clamping block, so that a certain gap is formed between the clamping block and the clamping groove when the clamping block and the clamping groove are initially inserted, alignment of the clamping block and the clamping groove is facilitated, and when the clamping block and the clamping groove are completely inserted, the connecting end of the clamping block and the second part 112 is matched with the width of the clamping groove, so that the clamping block and the clamping groove are connected more tightly, the lining pipe and the cable are prevented from loosening, and use experience of a user is improved.

Preferably, the liner tube is a cold-shrink liner tube.

Preferably, the outer surface of the buffer layer is a flat and smooth surface, and the inner surface of the buffer layer is a spiral groove which can be pulled into a belt shape to be removed from the cold-shrink cable terminal.

Further, the axial length of the helical groove is at least three times the axial length of the tubular body 1.

Preferably, one end of the pipe body 1, which is far away from the outer liner pipe of the cable, is provided with an extension section which is extended out of the pipe column-shaped extension part and is attached to the inner surface of the flaring of the outer liner pipe of the cable, so that the pipe body can slide when expanding with heat and contracting with cold.

Although shown in the figures, the end port of the tube 1 protrudes radially outward along the tube 1 to form a convex ring, so that the end of the tube 11 forms a counter bore.

Preferably, a layer of flexible bushing is additionally sleeved on the pipe body 1, the diameter of one end of the flexible bushing is smaller than the outer diameter of the pipe body 1, and the rest diameters are larger than the outer diameter of the pipe body 1.

Preferably, the tube body 1 is provided with a sealing plug, the sealing plug is tightly attached to the closed end of the tube body 1, the sealing plug is connected with the closed end of the tube body 1 through a positioning pin, and the sealing plug is welded to the tube body 1.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The lining pipe is characterized by comprising a pipe body and an insulating component arranged on the outer wall of the pipe body; the pipe body comprises a plurality of pipe sections, the pipe sections are sequentially connected end to form the pipe body, the pipe sections are of C-shaped structures, and the pipe body can be installed and disassembled in a pulling mode;

the pipe section comprises a first portion, a second portion and a third portion, a first end of the first portion is connected by a first end of the second portion and a first end of the third portion, and an opening is formed between a second end of the first portion and a second end of the third portion;

the pipe body further comprises a first connecting section and a second connecting section, and the second ends of the first parts of the two adjacent pipe sections are connected through the first connecting section; or the second ends of the third parts of two adjacent pipe sections are connected through the second connecting section;

the first part is of an arc-shaped structure; and the second portion is an arcuate structure; and the third portion is an arcuate structure;

the first connecting section is of an arc-shaped structure; and the second connecting section is of an arc-shaped structure.

2. The liner tube as claimed in claim 1, further comprising a reinforcing member provided inside the tube body for improving a supporting strength of the tube body.

3. The liner tube of claim 2, wherein the reinforcing member includes at least one stiffener disposed within the second portion for increasing the support strength of the second portion.

4. The liner tube as claimed in claim 1, wherein a snap-fit member for snap-fit connection is further provided on the tube body, and the tube body is connected to a cable by the snap-fit member.

5. The liner tube as claimed in claim 4, wherein the engaging means comprises an engaging groove provided on the tube body, and an engaging block for engaging connection is provided on the cable, and the engaging groove on the tube body is capable of engaging with the engaging block on the cable.

6. The liner tube of claim 1, wherein the liner tube is a cold-shrink liner tube.