CN214674026U - MPP power cable protection pipe plugging device - Google Patents

Abstract

The utility model discloses a MPP power cable protection tube plugging device, including amalgamating MPP cable protection tube and independent MPP cable protection tube, the port outer wall cover of amalgamating MPP cable protection tube has and connects sealing rubber, the outer wall cover of connecting sealing rubber has the connecting pipe, be equipped with the bolt on the connecting pipe, the port department of independent MPP cable protection tube is equipped with independent sealed the pad, be equipped with the connecting pipe on the independent sealed pad, sealed lid is installed through the screw thread in the inside of connecting pipe, the outer end cover is installed through the screw thread in the port department of connecting pipe, connecting pipe and sealed lid through being equipped with, can realize connecting between the protection tube and also can realize the individual shutoff of protection tube, improve the suitability, the connection sealing rubber and the arc tightening belt that are equipped with, make the leakproofness strengthened greatly, thereby avoid external dust and water to get into the protection cable that can be better.

Description

MPP power cable protection pipe plugging device

Technical Field

The utility model belongs to the technical field of the MPP power cable, specifically be an MPP power cable protection pipe plugging device.

Background

The MPP power pipe is divided into a common type and a reinforced type, the reinforced type is divided into an excavation pipe and a non-excavation pipe, the MPP non-excavation pipe is also called as an MPP jacking pipe, an MPP supporting and pulling pipe and an MPP traction pipe, the MPP power pipe adopts modified polypropylene as main raw materials, a large amount of mud digging, soil digging and pavement damage are not needed, and the MPP power pipe is widely used in construction projects such as laying pipelines and cables in special sections of roads, railways, buildings, riverbeds and the like.

The authorized bulletin No. CN209001549U discloses a cable tube plugging device, which comprises an upper clamping piece, a lower clamping piece and a silica gel sealing element clamped between the upper clamping piece and the lower clamping piece, wherein limiting bulges of the upper clamping piece and the lower clamping piece are embedded in corresponding limiting counter bores during clamping connection, positioning convex edges of the upper clamping piece and the lower clamping piece are embedded in corresponding positioning notches of the silica gel sealing element, and when an inner ring and an outer ring are mutually buckled, a positioning convex column is embedded in a positioning groove so as to be convenient for the inner ring and the outer ring to be buckled into a whole, so that the deformation of the inner ring and the outer ring is not influenced, the clamping dislocation and the clamping dislocation are avoided, and the plugging effect of the cable tube plugging device is ensured; in case the inside and outside atmospheric pressure differential of cable protection pipe is too big in the use, the air conduction valve is automatic to be opened, the inside and outside atmospheric pressure of balanced cable protection pipe rapidly, does benefit to cable duct plugging device and keeps good shutoff effect, and the biology of upper and lower fastener and silica gel sealing member on the surface is avoided the agent and is had pungent smell for little animals such as rat ant keep away from cable and protective case to and the acid and alkali-resistance modifier of spraying all can improve holistic life.

Above-mentioned cable duct plugging device, when the shutoff and inconvenient, can not effectual shutoff and be unfavorable for the cable to take out when using, get into pollution such as dust easily and exert an influence to the cable, can only the unilateral use shutoff can not connect two protection pipes, makes it pass through the protection pipe with the cable in succession.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a MPP power cable protection pipe plugging device to solve the problem that the shutoff thoroughly gets into the pollution easily and can not connect two protection pipes.

In order to achieve the above object, the utility model provides a following technical scheme: an MPP power cable protection tube plugging device comprises a combined MPP cable protection tube and an independent MPP cable protection tube, wherein the combined MPP cable protection tube is a protection tube which needs to be connected when ports of two MPP cable protection tubes are aligned, the independent MPP cable protection tube is a protection tube which needs to be plugged when the ports of the independent MPP cable protection tubes are aligned, the port outer wall of the combined MPP cable protection tube is sleeved with a connection sealing rubber which is sleeved on the ports of the two protection tubes, then the connection tube is sleeved on the outer wall of the combined MPP cable protection tube and can seal an interface to avoid water, dust and the like from permeating, the outer wall of the connection sealing rubber is sleeved with a connection tube which enables the interfaces of the two protection tubes to be aligned, a bolt is arranged on the connection tube and can enable the connection tube and the connection sealing rubber to compress the protection tubes, the port of the independent MPP cable protection tube is provided with an independent sealing gasket, independent sealed pad is used for preventing gapped entering water, dust etc. between it and the protection tube, independent sealed the pad and is equipped with the connecting pipe, the sealed lid is installed through the screw thread in the inside of connecting pipe, and the inner wall of connecting pipe is equipped with the screw thread and is used for installing sealed lid, the port department of connecting pipe installs outer end cover through the screw thread, and outer end cover is used for installing the port department at the connecting pipe, reduces debris entering and classified cable.

Preferably, the bottom cover of bolt has the gasket, the gasket is at the top of connecting sealing rubber, and the gasket cover is on the bolt and at the top of connecting sealing rubber, and when screwing up the bolt, thereby the bolt can compress tightly the connecting pipe and compress tightly the gasket simultaneously and make and connect sealing rubber and protection tube leakproofness better, improves the leakproofness.

Preferably, connect sealing rubber for the middle trapezoidal cross section rubber that high both ends are low, the independent sealed pad is for connecting the middle rubber that cuts of sealing rubber, and the trapezoidal cross section rubber is middle high can improve the pressure that receives of junction to can make rubber and connecting pipe and protection tube paste tight power stronger, thereby can improve the leakproofness of junction.

Preferably, the arc tightening belt is installed in the middle of the outer wall of the connecting pipe, the port of the arc tightening belt is provided with a tightening belt connecting block, a screw is installed on the tightening belt connecting block, the arc tightening belt is tightened through the screw strength, and the arc tightening belt is installed in the middle of the connecting pipe to enable the joint to be subjected to larger pressure enhancement sealing performance.

Preferably, be equipped with the sealed pad of ring between the bottom of sealed lid and the independent MPP cable protection pipe, independent MPP cable protection pipe port department is equipped with the filter screen, the top of sealed lid is equipped with the recess, can improve the leakproofness between sealed lid and the protection pipe port through the sealed pad of ring, and the filter screen can absorb dust with moisture, avoids external pollution to get into inside the protection pipe, and the recess can make things convenient for the installation of sealed lid or dismantle, improves work efficiency.

Preferably, the outer end cover is an annular groove and is arranged at the port of the connecting pipe, the outer end cover is provided with a small positioning hole and a large positioning hole, the outer end cover directly covers the port of the connecting pipe in an annular mode, the connecting pipe can be protected from being damaged, the small positioning hole and the large positioning hole can facilitate different cables to be classified and pass through, and therefore the distinguishing performance is improved.

Preferably, the filter screen is provided with a through hole with the center of the sealing cover, and the through hole is convenient for the cable to be pulled out and connected for convenient use.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the connecting pipe and the sealing cover, the connection between the protection pipes can be realized, and the protection pipes can be independently plugged, so that the applicability is improved;

2. through the connection sealing rubber and the arc tightening belt that are equipped with, make the leakproofness strengthened greatly, avoid external dust and water to get into to protection cable that can be better.

Drawings

Fig. 1 is a schematic structural view of the connection protection tube of the present invention;

fig. 2 is a plugging diagram of the individual protection tube of the present invention.

In the figure: 1. combining MPP cable protection pipes; 2. an independent MPP cable protection tube; 3. a connecting pipe; 4. A bolt; 5. a gasket; 6. connecting sealing rubber; 61. a separate gasket; 7. an arc tightening belt; 71. Tightening the belt connecting block; 72. a screw; 8. filtering with a screen; 9. an annular gasket; 10. a sealing cover; 101. a groove; 11. an outer end cover; 111. positioning the small hole; 112. positioning the big hole; 12. and a through hole.

Detailed Description

Referring to fig. 1 and 2, an MPP power cable protection tube plugging device includes a combined MPP cable protection tube 1 and an independent MPP cable protection tube 2, the combined MPP cable protection tube 1 is a protection tube whose ports of two MPP cable protection tubes are aligned to be connected, the independent MPP cable protection tube 2 is a protection tube whose port of an independent MPP cable protection tube is to be plugged, a connection sealing rubber 6 is sleeved on an outer wall of the port of the combined MPP cable protection tube 1, the connection sealing rubber 6 is sleeved on the ports of the two protection tubes, a connection tube 3 is sleeved on an outer wall of the connection sealing rubber to seal the interface, so as to prevent water and dust from permeating, a connection tube 3 is sleeved on an outer wall of the connection sealing rubber 6, the two protection tube interfaces are aligned by the connection tube 3, a bolt 4 is disposed on the connection tube 3, the bolt 4 can press the connection tube 3 and the connection sealing rubber 6 against the protection tubes, so as to make the two protection tubes be connected in a sealing manner, independent MPP cable protection tube 2's port department is equipped with independent sealed 61 of filling up, independent sealed 61 of filling up is used for preventing gapped entering water between it and the protection tube, dust etc., be equipped with connecting pipe 3 on the independent sealed 61 of filling up, sealed lid 10 is installed through the screw thread to the inside of connecting pipe 3, the inner wall of connecting pipe 3 is equipped with the screw thread and is used for installing sealed lid 10, outer end cover 11 is installed through the screw thread to the port department of connecting pipe 3, outer end cover 11 is used for installing the port department at connecting pipe 3, it gets into and categorised cable to reduce debris.

Referring to fig. 1 and 2, a gasket 5 is sleeved at the bottom of the bolt 4, the gasket 5 is connected to the top of the sealing rubber 6, the gasket 5 is sleeved on the bolt 4 and connected to the top of the sealing rubber 6, and when the bolt 4 is screwed down, the bolt 4 presses the connecting pipe 3 and the gasket 5, so that the sealing performance between the connecting sealing rubber 6 and the protection pipe is better, and the sealing performance is improved.

Referring to fig. 1, the connecting sealing rubber 6 is a trapezoidal section rubber with a high middle part and low two ends, the independent sealing gasket 61 is a cut rubber in the middle of the connecting sealing rubber 6, the middle height of the trapezoidal section rubber can increase the pressure on the joint, so that the adhesion force of the rubber to the connecting pipe 3 and the protection pipe is stronger, and the sealing performance of the joint can be improved.

Referring to fig. 1 and 2, an arc tightening belt 7 is installed in the middle of the outer wall of the connecting pipe 3, a tightening belt connecting block 71 is disposed at a port of the arc tightening belt 7, a screw 72 is installed on the tightening belt connecting block 71, the arc tightening belt 7 is strongly tightened by the screw 72, and the arc tightening belt 7 is installed in the middle of the connecting pipe 3 to enhance the sealing performance of the joint by a larger pressure.

Please refer to fig. 2, a ring gasket 9 is arranged between the bottom of the sealing cover 10 and the independent MPP cable protection tube 2, a filter screen 8 is arranged at the port of the independent MPP cable protection tube 2, a groove 101 is arranged at the top of the sealing cover 10, the sealing performance between the sealing cover 10 and the port of the protection tube can be improved through the ring gasket 9, the filter screen 8 can absorb dust and moisture, the external pollution is avoided from entering the protection tube, the groove 101 can facilitate the installation or the disassembly of the sealing cover 10, and the working efficiency is improved.

Referring to fig. 2, the outer end cover 11 is an annular groove and is installed at a port of the connecting pipe 3, the outer end cover 11 is provided with a small positioning hole 111 and a large positioning hole 112, the outer end cover 11 is an annular ring and directly covers the port of the connecting pipe 3, the connecting pipe 3 can be protected from being damaged, the small positioning hole 111 and the large positioning hole 112 can facilitate different cables to be classified and pass through, and the resolution is improved, so that the working efficiency can be improved.

Referring to fig. 2, a through hole 12 is formed in the center of the filter screen 8 and the sealing cover 10, and the through hole 12 facilitates the cable to be pulled out and connected for use.

The working principle of the scheme is as follows: when two protection pipes need to be connected, firstly, one protection pipe is sleeved with connecting sealing rubber 6, then, a connecting pipe 3 with a gasket 5 is sleeved, then, the second protection pipe is arranged in the connecting sealing rubber 6, the connecting sealing rubber 6 and the first protection pipe are aligned to form the combined MPP cable protection pipe 1, then, bolts 4 are installed and penetrate through the gasket 5, each bolt 4 is pre-tightened and then tightened, the installation pressure is uniform, then, an arc tightening belt 7 is sleeved into the center of the connecting pipe 3, a screw 72 is tightened, and the combined MPP cable protection pipe 1 is sealed and connected.

When single protection tube needs to be sealed, independent MPP cable protection tube 2 embolias independent sealed pad 61 earlier, then embolias the connecting pipe 3 that has gasket 5 again, again construction bolt 4 pretensions connecting pipe 3 on independent MPP cable protection tube 2, then install the sealed lid 10 that is fixed with filter screen 8 in the connecting pipe 3 port through the screw thread, filter screen 8 interference gets into in the port of independent MPP cable protection tube 2, the sealed pad 9 of ring of sealed lid 10 bottom is compressed tightly sealed, then tighten outer end cover 11 again, accomplish the shutoff of independent MPP cable protection tube 2 with bolt 4 tightening at last.

Claims (7)

1. The utility model provides a MPP power cable protection pipe plugging device, is including merging MPP cable protection pipe (1) and independent MPP cable protection pipe (2), its characterized in that: the port outer wall cover of merging MPP cable protection pipe (1) has connects sealing rubber (6), the outer wall cover of connecting sealing rubber (6) has connecting pipe (3), be equipped with bolt (4) on connecting pipe (3), the port department of independent MPP cable protection pipe (2) is equipped with independent sealed pad (61), be equipped with connecting pipe (3) on independent sealed pad (61), sealed lid (10) are installed through the screw thread to the inside of connecting pipe (3), outer end cover (11) are installed through the screw thread to the port department of connecting pipe (3).

2. The MPP power cable protection tube plugging device of claim 1, wherein: the bottom of the bolt (4) is sleeved with a gasket (5), and the gasket (5) is connected with the top of the sealing rubber (6).

3. The MPP power cable protection tube plugging device of claim 1, wherein: the connecting sealing rubber (6) is a rubber with a trapezoidal section and a high middle part and low two ends, and the independent sealing gasket (61) is a cut-off rubber in the middle of the connecting sealing rubber (6).

4. The MPP power cable protection tube plugging device of claim 1, wherein: arc tightening belt (7) are installed to the centre of connecting pipe (3) outer wall, the port of arc tightening belt (7) is equipped with tightening belt connecting block (71), install screw (72) on tightening belt connecting block (71).

5. The MPP power cable protection tube plugging device of claim 1, wherein: be equipped with the sealed pad of ring (9) between the bottom of sealed lid (10) and independent MPP cable protection pipe (2), filter screen (8) are equipped with to independent MPP cable protection pipe (2) port department, the top of sealed lid (10) is equipped with recess (101).

6. The MPP power cable protection tube plugging device of claim 1, wherein: the outer end cover (11) is an annular groove and is arranged at a port of the connecting pipe (3), and a small positioning hole (111) and a large positioning hole (112) are formed in the outer end cover (11).

7. The MPP power cable protection tube plugging device of claim 5, wherein: the centers of the filter screen (8) and the sealing cover (10) are provided with through holes (12).

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