CN207069538U - A kind of NMPP telecommunication cable protectives - Google Patents

Abstract

The utility model discloses a kind of NMPP telecommunication cable protectives; including being in charge of the body being spliced to form by two semicircular in shape shapes; it is described be in charge of between by convex connect block and scarfing slot is fixed; Waterproof glue line is filled with the scarfing slot; the Waterproof glue line be wrapped in it is described it is convex connect outside block, the junction between the outer wall being in charge of is coated with weather proofing sealant layer.The utility model has advantages below and effect：It is implemented in combination with fixing by scarfing slot and the convex block that connects between being in charge of, form body, Waterproof glue line is filled in scarfing slot and is realized in the presence of Waterproof glue line to the convex package action for connecing block, to carrying out one of sealing function between being in charge of, prevent the Water deep leaching of outside from entering in body, junction coating weather proofing sealant layer between the outer wall being in charge of again, realize to two sealings between airduct, further strengthen the sealing effectiveness between airduct, lift water resistance, the internal environment of body is stable, the power transmission that cable can be stablized.

Description

A NMPP telecommunication cable protection tube

technical field

The utility model relates to communication facilities, in particular to an NMPP telecommunication cable protection pipe.

Background technique

Cable protection tube is also known as cable tube, power cable tube, cement cable tube, power row tube, power cable protection tube, etc. The cable protection tube is mainly installed at the intersection of communication cables and power lines to prevent short-circuit accidents caused by disconnection of power lines, causing communication cables and steel wire ropes to be charged, so as to protect cables, switches, core boards, and the whole machine from being burned out. Magnetic field interference also plays a certain role in isolation.

The Chinese patent with the notification number CN205791304U is a cable protection tube, which includes a tube body that is connected together by two half tube bodies through a plug-in method. The two half tube bodies are made of composite engineering plastics. The two sides of the connection are respectively provided with scarfing grooves and convex joint blocks that can be plugged and connected with the scarfing grooves; , the two sides of the semicircular pipe body are respectively made with a scarfing groove formed inward in the middle, and a convex block protruding outward in the middle and having a tenon at the outer end; it has a simple structure and is easy to use and install. It is convenient, can improve the protection ability of the cable, and will not have the characteristics of obvious decrease in strength under long-term operation.

However, in the process of use, the cable protection tube often needs to be buried underground. When it rains, water will seep from the soil, and water will penetrate between the semicircular tubes of the cable protection tube, resulting in the accumulation of water in the cable protection tube. Water, which affects the power transmission of the cable.

Utility model content

The purpose of this utility model is to provide a NMPP telecommunication cable protection tube, which has a good waterproof effect and keeps the internal cable for stable power transmission.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: an NMPP telecommunication cable protection tube, which includes a tube body formed by splicing two semicircular sub-pipes. The joint groove is fixed, and the embedding groove is filled with a waterproof adhesive layer, and the waterproof adhesive layer is wrapped outside the convex joint block, and the joint between the outer walls of the branch pipes is coated with a weather-resistant sealant layer.

By adopting the above technical scheme, the sub-pipes are fixed through the combination of the scarfing groove and the convex joint block to form a pipe body, and the waterproof adhesive layer is filled in the scarfing groove and the wrapping of the convex joint block is realized under the action of the waterproof adhesive layer The effect is to perform a sealing function between the branch pipes to prevent external moisture from leaking into the pipe body, and then apply a weather-resistant sealant layer on the joints between the outer walls of the branch pipes to achieve a second seal between the air pipes. The sealing effect between the air ducts is further strengthened, the waterproof performance is improved, the internal environment of the duct body is stable, and the cables can perform stable power transmission.

The utility model is further configured as follows: the branch pipes are provided with glue injection holes communicating with the embedding grooves at intervals along the axial direction.

By adopting the above-mentioned technical scheme, the glue injection hole set on the sub-pipe is connected with the embedding groove, and after splicing between the sub-pipes through the glue injection hole, the waterproof glue can be injected into the embedding groove, and the waterproof glue can be stably spliced. The slots are filled and can be conveniently wrapped around the lug blocks for improved waterproofing.

The utility model is further configured as: the waterproof glue layer extends into the glue injection hole.

By adopting the above technical solution, the waterproof glue layer extends into the glue injection hole to fill the glue injection hole, and the external moisture is not easy to enter the scarfing groove through the glue injection hole, thereby improving the waterproof effect. Sealing the glue injection hole through the waterproof adhesive layer can also prevent external impurities from entering the scarfing groove and causing deep damage to the waterproof adhesive layer, and the waterproof adhesive layer can maintain a good waterproof effect.

The utility model is further set as: the distance between the injection holes is 200mm.

By adopting the above technical scheme, the distance between the glue injection holes is 200mm. When the waterproof glue is injected into the embedding groove, the distance that the waterproof glue spreads to both sides is relatively short, so that the filling can be performed stably. It is not easy to produce gaps, so as to maintain a good waterproof effect.

The utility model is further configured as follows: the waterproof glue layer is formed by filling with nano-silicon waterproof glue.

By adopting the above technical scheme, the nano-silicon waterproof glue is developed by high-tech nanotechnology. It is an environment-friendly waterproof product with a combination of rigidity and softness. The waterproof performance of the elastic coating film can be filled stably, and when subjected to vibration, the waterproof adhesive layer can be deformed, and can still be stably attached to the branch pipe, maintaining a stable waterproof effect.

The utility model is further configured as: filling grooves for embedding the weather-resistant sealant layer are respectively arranged on the outer walls on both sides of the branch pipe.

By adopting the above technical scheme, filling grooves are provided on the outer walls of both sides of the branch pipe for filling the weather-resistant sealant layer, which can ensure that the weather-resistant sealant layer has a certain thickness and will not protrude excessively from the pipe body, thereby maintaining a good seal Effect.

The utility model is further configured as follows: the filling groove is connected to a limiting groove on one side along the radial direction of the branch pipe, and the weather-resistant sealant layer extends into the limiting groove.

By adopting the above technical scheme, the limiting groove is located on the side of the filling groove along the radial direction of the branch pipe, and the weather-resistant sealant layer extends into the limiting groove, and the position of the weather-resistant sealant layer along the radial direction of the pipe body is limited, thereby improving the weather resistance The stability of the sealant layer can maintain a good sealing effect.

The utility model is further configured as: the weather-resistant sealant layer is formed by filling with silicone weather-resistant sealant.

By adopting the above technical scheme, the silicone weather-resistant sealant has good stability, strong ring adaptability, wide range of use, is not easy to crack, and has high tensile strength. Separation occurs between the sub-pipes, thereby maintaining a good sealing performance.

In summary, the utility model has the following beneficial effects: the nano-silicon waterproof glue is injected into the embedding groove through the glue injection hole to form a waterproof glue layer, forming a package for the convex joint block, performing a sealing function, and then sealing it on the branch pipe The filling tank is coated with silicone weather-resistant sealant to form a weather-resistant sealant layer, and the weather-resistant sealant layer enters the limit groove to realize the position limitation, and performs a second seal, so as to maintain a good sealing effect and prevent moisture from entering Inside the tube, the cables inside the tube can perform stable power transmission.

Description of drawings

Fig. 1 is the overall structural diagram of the present embodiment;

Fig. 2 is a schematic diagram of the connection relationship between the branch pipes;

Fig. 3 is a schematic diagram of sealing action between sub-pipes.

In the figure: 1. In charge; 2. Pipe body; 3. Convex block; 4. Embedding groove; 5. Waterproof adhesive layer; 6. Weatherproof sealant layer; 7. Glue injection hole; 8. Filling groove; 9. limit slot.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

An NMPP telecommunication cable protection tube, as shown in Figure 1 and Figure 2, includes a tube body 2, the tube body 2 is composed of two semicircular sub-pipes 1, and the sub-pipes 1 pass through the convex joint 3 and the embedding groove 4 is combined to realize fixing, and the cable is passed through the inside of the pipe body 2 to form a protective effect under the action of the pipe body 2.

As shown in Figure 1 and Figure 2, glue injection holes 7 are arranged at intervals along the axial direction on the branch pipe 1, and the glue injection holes 7 communicate with the embedding groove 4, and waterproof glue can be injected into the embedding groove 4 through the glue injection holes 7 A waterproof adhesive layer 5 is formed to fill the scarfing groove 4 under the action of the waterproof adhesive layer 5. At this time, the waterproof adhesive layer 5 is wrapped on the convex joint 3 to perform a stable sealing effect, which is not easy between the branch pipes 1. Moisture permeates to keep the inside of the pipe body 2 dry, and the cable can perform stable power transmission. The waterproof glue layer 5 extends into the glue injection hole 7, fills the glue injection hole 7, and realizes the sealing of the glue injection hole 7, so that external impurities are not easy to enter the embedding groove 4 through the glue injection hole 7, and the The waterproof adhesive layer 5 in the embedding groove 4 is not easy to be damaged, thereby maintaining good sealing performance.

The distance between the glue injection holes 7 is 200 mm. During the glue injection process, the waterproof glue spreads to both sides, which can stably fill the embedding groove 4 .

The waterproof adhesive layer 5 is formed by filling the embedded groove 4 with nano-silicon waterproof adhesive. The nano-silicon waterproof adhesive is developed by high-tech nanotechnology. It is an environment-friendly waterproof product with a combination of rigidity and flexibility, and has excellent osmotic crystal waterproof performance. , and has the waterproof performance of the highly elastic coating film of the acrylate polymer waterproof emulsion, which can be filled stably, and when subjected to vibration, the waterproof adhesive layer 5 can be deformed, and can still be attached to the branch pipe 1 stably, maintaining Stable waterproof effect.

As shown in Figure 2 and Figure 3, filling grooves 8 are respectively provided on the side walls on both sides of the branch pipe 1, and the opposite filling grooves 8 between the two branch pipes 1 communicate with each other, and the filling grooves 8 are filled with a weather-resistant sealant layer 6 , to perform a sealing function between the sub-pipes 1, and further improve the sealing effect between the sub-pipes 1. One side of the filling groove 8 along the radial direction of the branch pipe 1 communicates with the limiting groove 9, and part of the weather-resistant sealant layer 6 is embedded in the filling groove 8 to realize the limitation of the weather-resistant sealant layer 6 in the radial direction of the pipe body 2, thereby improving The stability of the weather-resistant sealant layer 6 maintains a good sealing effect.

The weather-resistant sealant layer 6 in this embodiment is formed by filling with silicone weather-resistant sealant. The silicone weather-resistant sealant has good stability, strong ring adaptability, wide application range, and is not easy to crack. Large, when there is an offset between the sub-pipes 1, it is not easy to separate from the sub-pipes 1, so as to maintain good sealing performance.

In this embodiment, the sealing performance between the branch pipes 1 is improved by filling the waterproof adhesive layer 5 in the embedding groove 4 on the branch pipe 1, and the waterproof glue layer 5 forms a wrapping effect on the convex joint block 3, and the sealing performance between the branch pipes 1 is improved. The outer wall between 1 is filled with a weather-resistant sealant layer 6, and a second seal is performed between the branch pipes 1 to further improve the sealing effect between the branch pipes 1. The pipe body 2 has good sealing performance, and it is difficult for moisture to penetrate into the pipe body 2, so that the cables inside the pipe body 2 can have a good external environment, and stable power transmission can be performed.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Claims (8)

1. a kind of NMPP telecommunication cable protectives, including the body (2) be in charge of (1) and be spliced to form by two semicircular in shape shapes, It is described be in charge of between (1) connect block (3) and scarfing slot (4) is fixed by convex, it is characterised in that:It is filled with the scarfing slot (4) Waterproof glue line (5), the Waterproof glue line (5) be wrapped in it is described it is convex connect block (3) outside, the connection being in charge of between the outer wall of (1) Place is coated with weather proofing sealant layer (6).

A kind of 2. NMPP telecommunication cable protectives according to claim 1, it is characterised in that：It is described to be in charge of on (1) along axle To being arranged at intervals with the hole for injecting glue (7) that is connected with the scarfing slot (4).

A kind of 3. NMPP telecommunication cable protectives according to claim 2, it is characterised in that：The Waterproof glue line (5) is prolonged Extend in the hole for injecting glue (7).

A kind of 4. NMPP telecommunication cable protectives according to claim 2, it is characterised in that：Between the hole for injecting glue (7) Distance be 200mm.

A kind of 5. NMPP telecommunication cable protectives according to claim 1, it is characterised in that：The Waterproof glue line (5) is Nano-silicon marine glue fills to be formed.

A kind of 6. NMPP telecommunication cable protectives according to claim 1, it is characterised in that：Described (1) both sides be in charge of It is separately provided for being embedded the filling slot (8) of the weather proofing sealant layer (6) on outer wall.

A kind of 7. NMPP telecommunication cable protectives according to claim 6, it is characterised in that：The filling slot (8) is along institute State and be in charge of the side of (1) radial direction and be communicated with stopper slot (9), the weather proofing sealant layer (6) is extended in the stopper slot (9).

A kind of 8. NMPP telecommunication cable protectives according to claim 1, it is characterised in that：The weather proofing sealant layer (6) filled and formed by silicone weatherproof sealant.