CN218577146U

CN218577146U - External pressure resistant MPP protection tube

Info

Publication number: CN218577146U
Application number: CN202222559434.8U
Authority: CN
Inventors: 徐世瑞
Original assignee: Jiangsu Chixin Pipe Technology Co ltd
Current assignee: Jiangsu Chixin Pipe Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-03-07
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to an external pressure resistant MPP protection tube, including interior sheath, interior sheath surface is equipped with resistance to compression tensile mechanism, resistance to compression tensile mechanism includes fixed mounting in the dampproof course of interior sheath surface, the dampproof course fixed surface installs the buffer layer, buffer layer fixed surface installs the resistance to compression ring No. one, resistance to compression ring fixed surface installs the strengthening rib No. one. This external pressure resistant MPP protection tube, be equipped with the dampproof course through sheath surface including, can improve the humidity resistance of MPP protection tube, be favorable to preventing that the MPP protection tube is inside because of the use that leads to influencing the cable that wets, be equipped with the buffer layer simultaneously at the dampproof course surface, be equipped with an anti-compression ring and No. two anti-compression rings at the buffer layer surface, be equipped with the strengthening rib between an anti-compression ring and No. two anti-compression rings, can improve the compression resistance of MPP protection tube, the buffer layer is favorable to buffering the external force that the MPP protection tube was received simultaneously, the compression resistance of MPP protection tube has further been improved.

Description

External pressure resistant MPP protection tube

Technical Field

The utility model relates to a MPP protection tube technical field specifically is an external pressure resistant MPP protection tube.

Background

The MPP power pipe is also called as an MPP cable pipe and an MPP power cable protection pipe, the raw material adopts PP powder (modified polypropylene) as a main master batch, the MPP power pipe has excellent electrical insulation property and higher thermal deformation temperature and low-temperature impact property, and can be widely applied to pipeline engineering of municipal administration, telecommunication, electric power, coal gas, tap water, thermal power and the like.

But current MPP protection tube is out of shape easily when receiving huge impact, and pressure resistance is relatively poor, and current MPP protection tube humidity resistance is not good when underground environment uses in the MPP protection tube easily wets, influences the normal use of cable.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an external pressure resistant MPP protection tube possesses the compressive property good, the difficult advantage that wets, has solved the relatively poor, the inside problem that wets easily of compressive property of current MPP protection tube.

In order to achieve the above object, the utility model provides a following technical scheme: the external pressure resistant MPP protection tube comprises an inner protection layer, wherein a pressure resistant tensile mechanism is arranged on the outer surface of the inner protection layer;

resistance to compression tensile mechanism includes fixed mounting in the dampproof course of interior sheath surface, dampproof course surface fixed mounting has the buffer layer, buffer layer surface fixed mounting has an anti-compression ring, anti-compression ring surface fixed mounting has the strengthening rib, strengthening rib surface fixed mounting has No. two anti-compression rings, no. two anti-compression ring surface fixed mounting has the outer jacket, outer jacket surface fixed mounting has the wearing layer.

Further, the thickness of the inner protection layer is not less than five zero millimeters and not more than one millimeter, and the thickness of the outer protection layer is not less than two millimeters and not more than five millimeters at two points.

Further, the thickness of the buffer layer is not less than one point five millimeters and not more than two millimeters.

Furthermore, the quantity of an anti-compression ring and No. two anti-compression rings is a plurality of, adjacent two interval homogeneous phase between an anti-compression ring and No. two anti-compression rings is the same.

Further, the quantity of strengthening rib is for being no less than twelve, adjacent two interval homogeneous phase between the strengthening rib equals, strengthening rib evenly distributed is between an anti-compression ring and No. two anti-compression rings.

Further, the thickness of the wear-resistant layer is not less than one point five millimeters and not more than two millimeters.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this external pressure resistant MPP protection tube, be equipped with the dampproof course through including the sheath surface, can improve the humidity resistance of MPP protection tube, be favorable to preventing that the MPP protection tube is inside because of the use that leads to influencing the cable that wets, be equipped with the buffer layer at the dampproof course surface simultaneously, be equipped with an anti-compression ring and No. two anti-compression rings at the buffer layer surface, be equipped with the strengthening rib between an anti-compression ring and No. two anti-compression rings, can improve the pressure resistance of MPP protection tube, the buffer layer is favorable to buffering the external force that the MPP protection tube was received simultaneously, the pressure resistance of MPP protection tube has further been improved.

Drawings

Fig. 1 is a schematic view of the cross-sectional structure of the present invention.

In the figure: the protective layer comprises an inner protective layer 1, a damp-proof layer 2, a buffer layer 3, an anti-compression ring 4, a reinforcing rib 5, an anti-compression ring 6, an outer protective layer 7 and an abrasion-resistant layer 8.

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 efforts all belong to the protection scope of the present invention.

Please refer to fig. 1, an external pressure resistant MPP protection tube in this embodiment, including inner sheath 1, the thickness of inner sheath 1 is not less than zero five millimeters and is not greater than one millimeter, inner sheath 1 surface is equipped with resistance to compression tensile mechanism, resistance to compression tensile mechanism includes dampproof course 2 of fixed mounting in inner sheath 1 surface, dampproof course 2 surface fixed mounting has buffer layer 3, buffer layer 3's thickness is not less than one little five millimeters and is not greater than two millimeters, be favorable to cushioning the impact force that the MPP protection tube received, the protection cable, buffer layer 3 surface fixed mounting has one resistance to

compression ring

4, 4 surface fixed mounting of one resistance to compression ring has strengthening

rib

5, 5 surface fixed mounting of strengthening rib has No. two resistance to compression rings 6, the quantity of one resistance to compression ring 4 and No. two resistance to compression rings 6 is a plurality of, the quantity of strengthening rib 5 is not less than twelve, the interval between two adjacent strengthening ribs 5 equals, strengthening rib 5 evenly distributed is between No. one resistance to compression ring 4 and No. two resistance to compression rings 6, be favorable to improving the resistance to compression and tensile performance of MPP protection tube, two adjacent resistance to compression rings 4 and No. 6, the outer sheath is not greater than 7 millimeters, the thickness fixed mounting is not greater than two outer sheath is not greater than 7 millimeters, the thickness of outer sheath is not greater than two millimeters and is not greater than two mm, the service life-millimeter is not greater than two resistance to MPP protection tube, the service life of the outer protection tube is not greater than two resistance to be not greater than two, the thickness of the outer protection tube.

It should be noted that, in order to further improve the pressure resistance of the MPP protection tube and fix the first anti-compression ring 4, the second anti-compression ring 6, and the reinforcing rib 5, in this embodiment, an elastic rubber filler is filled between the buffer layer 3 and the outer protective layer 7, and the first anti-compression ring 4, the second anti-compression ring 6, and the reinforcing rib 5 are all located in the elastic rubber filler.

It should be noted that, for the convenience of dampproofing, dampproof course 2 in this embodiment is close to 1 one side fixed surface of inner sheath and is installed the isolation layer, and dampproof course 2 is close to 3 a side fixed mounting of buffer layer and has the hydrophobic layer.

It should be noted that, in order to prevent the cable short circuit from being ignited, the inner sheath layer 1 in the present embodiment is made of a flame retardant material.

The working principle of the embodiment is as follows:

during the use, interior sheath 1 cup joints in the cable surface, dampproof course 2 can prevent steam and get into in the MPP protection tube, be favorable to improving the humidity resistance of MPP protection tube, prevent that the inside cable of MPP protection tube from weing, buffer layer 3 is favorable to buffering the external force impact that the MPP protection tube received, crush ring 4 and No. two crush ring 6 and strengthening rib 5, can improve the compression resistance of MPP protection tube, be favorable to preventing that the MPP protection tube from receiving the impact and taking place to warp, the elasticity rubber stopping can be fixed No. 4 crush ring 6 and No. two crush ring 6 and strengthening rib 5, prevent that crush ring 4 and No. two crush ring 6 and strengthening rib 5 from receiving the impact and taking place the displacement, be favorable to promoting the compression resistance of MPP protection tube simultaneously, wearing layer 8 can prevent that the MPP protection tube from wearing and tearing in adverse circumstances, be favorable to improving the life of MPP protection tube.

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 phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an external pressure resistant MPP protection tube, includes inner sheath (1), its characterized in that: the outer surface of the inner protection layer (1) is provided with a compression-resistant tensile mechanism;

resistance to compression tensile mechanism includes dampproof course (2) of fixed mounting in interior sheath (1) surface, dampproof course (2) surface fixed mounting has buffer layer (3), buffer layer (3) surface fixed mounting has one number resistance to compression ring (4), one number resistance to compression ring (4) surface fixed mounting has strengthening rib (5), strengthening rib (5) surface fixed mounting has No. two resistance to compression rings (6), no. two resistance to compression rings (6) surface fixed mounting has outer jacket (7), outer jacket (7) surface fixed mounting has wearing layer (8).

2. The external pressure resistant MPP protection tube of claim 1, wherein: the thickness of the inner protection layer (1) is not less than zero five millimeters and not more than one millimeter, and the thickness of the outer protection layer (7) is not less than two millimeters and not more than two points five millimeters.

3. The external pressure resistant MPP protection tube of claim 1, which is characterized in that: the thickness of the buffer layer (3) is not less than one point of five millimeters and not more than two millimeters.

4. The external pressure resistant MPP protection tube of claim 1, which is characterized in that: the quantity of an anti-compression ring (4) and No. two anti-compression rings (6) is a plurality of, adjacent two interval homogeneous phase between an anti-compression ring (4) and No. two anti-compression rings (6).

5. The external pressure resistant MPP protection tube of claim 1, wherein: the quantity of strengthening rib (5) is for being no less than twelve, adjacent two interval equalizer between strengthening rib (5) equals, strengthening rib (5) evenly distributed is between No. one compression ring (4) and No. two compression ring (6).

6. The external pressure resistant MPP protection tube of claim 1, wherein: the thickness of the wear-resistant layer (8) is not less than one point five millimeters and not more than two millimeters.