CN216696803U

CN216696803U - Silicon core pipe with high outer wall annular rigidity and low friction coefficient on inner wall

Info

Publication number: CN216696803U
Application number: CN202220398523.6U
Authority: CN
Inventors: 邱海宇; 贺蕾蕾; 王建坤
Original assignee: Shandong Yanggu Hengtai Industrial Co ltd
Current assignee: Shandong Yanggu Hengtai Industrial Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-07
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a silicon core pipe with high outer wall ring stiffness and low inner wall friction coefficient, which comprises a silicon core pipe body, wherein one end of the silicon core pipe body is fixedly communicated with a splicing locking sleeve, the other end of the silicon core pipe body is fixedly communicated with a splicing sealing assembly, a plurality of uniformly distributed detachable reinforcing steel rings are sleeved in the middle of the silicon core pipe body, and the silicon core pipe body comprises a PE outer sleeve, a PP toughness reinforcing sleeve and a silica gel core pipe. The splicing part has excellent sealing performance, high structural strength, stability and reliability.

Description

Silicon core pipe with high outer wall ring stiffness and low friction coefficient inner wall

Technical Field

The utility model relates to the technical field of composite silicon core pipes, in particular to a silicon core pipe with a high outer wall ring stiffness and a low friction coefficient inner wall.

Background

The silicon core pipe is a novel composite pipeline with the inner wall provided with the silica gel solid lubricant, has the advantages of good sealing performance, chemical corrosion resistance, low engineering cost and the like, and is widely applied to optical cable communication network systems of highways, railways and the like. The silicon core pipe is usually manufactured by synchronously extruding and compounding three plastic extruders, wherein the main raw material is high-density polyethylene, and the core layer is solid lubricant silica gel with the lowest friction coefficient.

The existing silicon core pipe is low in overall structural strength, short in buried pressure-bearing service life, large in friction force when an optical cable wire is inserted, easy to wear and inconvenient to splice and use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a silicon core pipe with a high outer wall ring stiffness and a low inner wall friction coefficient, and aims to solve the problems that the existing silicon core pipe in the background art is low in overall structural strength, short in buried pressure-bearing service life, large in friction force when an optical cable wire is inserted, easy to wear, and inconvenient to splice and use.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low coefficient of friction silicon core tubular product of high ring stiffness inner wall of outer wall, includes silicon core tubular product body, the fixed intercommunication of one end of silicon core tubular product body has concatenation locking sleeve, the fixed intercommunication of the other end of silicon core tubular product body has grafting seal assembly, the middle part cover of silicon core tubular product body is equipped with a plurality of evenly distributed's removable reinforcing steel ring, silicon core tubular product body includes PE outer tube, PP toughness reinforcing sleeve pipe and silica gel core pipe, the inboard of PE outer tube is fixed and is provided with PP toughness reinforcing sleeve pipe, the inboard of PP toughness reinforcing sleeve pipe is fixed and is provided with silica gel core pipe, and this silicon core tubular product adopts three-layer composite structure, has improved the holistic structural strength of tubular product promptly, buries the pressure-bearing and uses non-deformable, and long service life has reduced the coefficient of friction of tubular product inner wall again for the interlude of optical cable is more laborsaving.

Preferably, the grafting seal assembly includes concatenation intubate and sealed rubber ring, sealed draw-in groove has been seted up in the outside of concatenation intubate, sealed draw-in groove's inside block is connected with sealed rubber ring, can improve the leakproofness of tubular product concatenation department, and is reliable and stable.

Preferably, the inside of concatenation intubate is fixed and is provided with a plurality of evenly distributed's extrusion steel ring of preventing, the concatenation intubate corresponds the setting with concatenation locking sleeve pipe, can improve the structural strength of tubular product concatenation department, non-deformable, long service life.

Preferably, the inner side of the silica gel core pipe is provided with a plurality of friction-resistant sawteeth which are uniformly distributed, so that the contact area between the inner side of the silica gel core pipe and the inner wall of the pipe when a cable is threaded is reduced, and the friction coefficient of the core layer is greatly reduced.

Preferably, the surface of the splicing locking sleeve is provided with an external locking thread, the surface of the external locking thread is in threaded connection with a thread locking sleeve, the locking is simple, convenient and quick, and the efficiency of assembling and splicing the pipes is improved.

Preferably, the surface of the thread locking sleeve is provided with resistance-increasing locking threads, so that the thread locking sleeve can be locked in a rotating manner more labor-saving manner.

Compared with the prior art, the utility model has the beneficial effects that: this silicon core tubular product adopts three-layer composite construction, has improved the holistic structural strength of tubular product promptly, buries the pressure-bearing and uses non-deformable, and long service life has reduced the coefficient of friction of tubular product inner wall again for the interlude of optical cable is more laborsaving, has increased assorted concatenation locking sleeve pipe and grafting seal assembly at the both ends of tubular product, can make tubular product high efficiency splice the use, and the concatenation department sealing performance is good, and structural strength is high, and is reliable and stable.

Drawings

FIG. 1 is a schematic structural view of a silicon core tube of the present invention;

FIG. 2 is a side sectional view of a silicon core tubing body of the present invention;

FIG. 3 is a cross-sectional view of the plug seal assembly of the present invention;

fig. 4 is an enlarged view of part a of the present invention.

In the figure: 1. a silicon core pipe body; 2. splicing the locking sleeve; 3. a plug-in sealing component; 31. splicing the insertion tubes; 32. sealing the clamping groove; 33. sealing the rubber ring; 34. an anti-extrusion steel ring; 4. a threaded locking sleeve; 5. external locking threads; 6. the reinforced steel ring can be disassembled; 7. PE outer sleeve; 8. a PP toughness-enhanced sleeve; 9. a silica gel core tube; 10. friction-resistant serrations; 11. resistance-increasing lock lines.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the utility model provides a silicon core tube with a high outer wall ring stiffness and a low inner wall friction coefficient, comprising a silicon core tube body 1, wherein one end of the silicon core tube body 1 is fixedly communicated with a splicing locking sleeve 2, the other end of the silicon core tube body 1 is fixedly communicated with an inserting sealing assembly 3, the middle part of the silicon core tube body 1 is sleeved with a plurality of uniformly distributed detachable reinforcing steel rings 6, the silicon core tube body 1 comprises a PE outer sleeve 7, a PP toughness reinforcing sleeve 8 and a silica gel core tube 9, the inner side of the PE outer sleeve 7 is fixedly provided with the PP toughness reinforcing sleeve 8, the inner side of the PP toughness reinforcing sleeve 8 is fixedly provided with the silica gel core tube 9, the inner side of the silica gel core tube 9 is provided with a plurality of uniformly distributed friction-resistant saw teeth 10, the silicon core tube adopts a three-layer composite structure, and the inner wall of the silica gel core tube 9 is provided with friction-resistant saw teeth 10, the contact area with the tubular product inner wall when reducing the optical cable of wearing to the coefficient of friction of the sandwich layer that significantly reduces has improved the holistic structural strength of tubular product promptly, buries the pressure-bearing and uses non-deformable, long service life makes the interlude of optical cable more laborsaving again, reliable and stable.

The splicing sealing component 3 comprises a splicing insertion pipe 31 and a sealing rubber ring 33, a sealing clamping groove 32 is formed in the outer side of the splicing insertion pipe 31, the sealing clamping groove 33 is connected to the inner clamping of the sealing clamping groove 32, a plurality of uniformly distributed anti-extrusion steel rings 34 are fixedly arranged in the splicing insertion pipe 31, the splicing insertion pipe 31 is arranged corresponding to the splicing locking sleeve 2, an external locking thread 5 is formed in the surface of the splicing locking sleeve 2, a thread locking sleeve 4 is connected to the surface of the external locking thread 5 in a threaded manner, resistance-increasing locking threads 11 are arranged on the surface of the thread locking sleeve 4, the splicing insertion pipe 31 is inserted into the splicing locking sleeve 2, then the thread locking sleeve 4 is rotated, the splicing insertion pipe 31 is locked by the splicing locking sleeve 2, the sealing rubber ring 33 can be extruded on the inner wall of the splicing locking sleeve 2 after locking, and matched splicing locking sleeves 2 and splicing sealing components 3 are additionally arranged at the two ends of a pipe, the pipe can be spliced quickly and efficiently, the sealing performance of the spliced part is excellent, and the structural strength is high.

When the embodiment of the application is used: the splicing insertion pipe 31 is inserted into the splicing locking sleeve 2 just opposite to the splicing locking sleeve, then the thread locking sleeve 4 is rotated, the splicing insertion pipe 31 is locked by the splicing locking sleeve 2, the inner wall of the splicing locking sleeve 2 extrudes the sealant ring 33 after locking, the splicing locking sleeve 2 and the splicing sealing component 3 which are matched are arranged at the two ends of the pipe, so that the pipe can be spliced quickly and efficiently, the sealing performance of the splicing part is excellent, the structural strength is high, the silicon core pipe adopts a three-layer composite structure, the inner wall of the silica gel core pipe 9 is provided with the friction-resistant sawteeth 10, the contact area with the inner wall of the pipe when an optical cable is threaded is reduced, thereby the friction coefficient of a core layer is greatly reduced, the integral structural strength of the pipe is improved, the pipe is not easy to deform due to underground pressure bearing, the service life is long, and the friction coefficient of the inner wall of the pipe is reduced, so that the optical cable is more labor-saving to insert, stable and reliable.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a low friction coefficient silicon core tubular product of high ring stiffness inner wall of outer wall, includes silicon core tubular product body (1), its characterized in that: the fixed intercommunication of one end of silicon core tubular product body (1) has concatenation locking sleeve pipe (2), the fixed intercommunication of the other end of silicon core tubular product body (1) has grafting sealing component (3), the middle part cover of silicon core tubular product body (1) is equipped with a plurality of evenly distributed's removable reinforcing steel ring (6), silicon core tubular product body (1) is including PE outer tube (7), PP toughness reinforcing sleeve pipe (8) and silica gel core pipe (9), the inboard of PE outer tube (7) is fixed and is provided with PP toughness reinforcing sleeve pipe (8), the inboard of PP toughness reinforcing sleeve pipe (8) is fixed and is provided with silica gel core pipe (9).

2. The silicon core pipe with the outer wall, the high ring stiffness and the inner wall having the low friction coefficient as claimed in claim 1, wherein: grafting seal assembly (3) are including concatenation intubate (31) and sealed rubber ring (33), sealed draw-in groove (32) have been seted up in the outside of concatenation intubate (31), the inside block of sealed draw-in groove (32) is connected with sealed rubber ring (33).

3. The silicon core pipe with the outer wall, the high ring stiffness and the inner wall having the low friction coefficient as claimed in claim 2, wherein: the fixed anti-extrusion steel ring (34) that is provided with a plurality of evenly distributed of inside of concatenation intubate (31), concatenation intubate (31) corresponds the setting with concatenation locking sleeve pipe (2).

4. The silicon core pipe with the outer wall, the high ring stiffness and the inner wall having the low friction coefficient as claimed in claim 1, wherein: the inner side of the silica gel core tube (9) is provided with a plurality of friction-resistant sawteeth (10) which are uniformly distributed.

5. The silicon core pipe with the outer wall, the high ring stiffness and the inner wall having the low friction coefficient as claimed in claim 1, wherein: outer lock screw thread (5) have been seted up on the surface of concatenation locking sleeve pipe (2), the surperficial threaded connection of outer lock screw thread (5) has screw locking cover (4).

6. The silicon core pipe with the outer wall, the high ring stiffness and the inner wall having the low friction coefficient as claimed in claim 5, wherein: the surface of the thread locking sleeve (4) is provided with resistance-increasing locking threads (11).