MPP cable protection pipe
By designing MPP cable protection tubes connecting components and protective tube components, the problems of complex connection structure and low strength in the prior art are solved, and fast and stable connections and high-strength connections of cable protection tubes are achieved.
Patent Information
- Application Number
- CN202420172063.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-24
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-01-24
AI Technical Summary
The installation and connection structure of the existing MPP cable protection tube is complex, the connection strength is low, and it is prone to shaking or falling off, which cannot meet the connection requirements of the ends of the MPP cable protection tube.
A MPP cable protection tube including a connecting assembly, a first protective tube assembly and a second protective tube assembly is designed. By providing a hexagonal block, an inner tube, a connecting tube and a tapered pressure tube, the fast and stable splicing and compression connection of the cable protection tube body is realized.
The connection strength of the cable protection tube body is improved, loosening and falling off, and the stability and smoothness of the connection are enhanced.
Smart Images

Figure CN222581925U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipes, in particular to an MPP cable protection pipe. Background Art
[0002] MPP power pipe is also called MPP cable pipe and MPP power cable protection pipe. It uses PP powder (modified polypropylene) as the main masterbatch. MPP power pipe is usually orange-red and generally 6 meters per pipe. The product has the characteristics of high temperature resistance and external pressure resistance. It is suitable for high-voltage transmission line cable pipes above 10KV. High strength and high rigidity. It can be directly buried under the roadway without adding a concrete protective layer, which can speed up the progress of cable engineering construction. The pipe is flexible and can resist damage caused by external pressure and foundation settlement. It is corrosion-resistant and has a long service life. It can be used in humid saline-alkali areas. It is flame-retardant and heat-resistant. It can be used for a long time at a high temperature of 130 degrees without deformation and will not burn when exposed to fire. The inner wall is smooth and will not scratch the cable. After searching, application number 202320160668.7 discloses an MPP cable protection pipe, including a pipe body and an inner support ring installed at both ends of the pipe body, the inner support ring includes a connecting ring, a fixed block and a connecting rod, the connecting ring and the fixed block are connected by a connecting rod, and a group of the connecting rods are fixedly connected with an inserted rod.
[0003] However, the installation and connection structure of this cable protection tube is relatively complicated as a whole. After connection, it only relies on elastic steel sheets to achieve the purpose of locking. The overall connection strength is low. The connection of the cable protection tube may shake or even fall off, so it is not suitable for the connection of the end of the MPP cable protection tube.
[0004] To this end, we propose an MPP cable protection tube. Utility Model Content
[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides an MPP cable protection tube.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an MPP cable protection tube, comprising a connecting component, a first protection tube component is arranged on the left side of the outer wall of the connecting component, a second protection tube component is arranged on the right side of the outer wall of the connecting component, and the structure of the second protection tube component is consistent with the first protection tube component, the connecting component comprises a hexagonal block, a movable hole is opened at the middle end of the left wall of the hexagonal block, a first inner insert tube is fixedly installed on the inner side of the left wall of the hexagonal block, the first protection tube component comprises a cable protection tube body, and the right side of the inner wall of the cable protection tube body is movably connected to the outer wall of the first inner insert tube, a conical pressing tube is movably installed on the right side of the outer wall of the cable protection tube body, and the outer wall of the conical pressing tube is movably connected to the inner wall of the first connecting tube, and the outer wall of the cable protection tube body is located on the left side of the conical pressing tube and a fixed component is movably installed.
[0007] Preferably, a first connecting pipe is fixedly mounted on the outer side of the left side wall of the hexagonal block, and an outer wall of the first connecting pipe is provided with an external thread.
[0008] Preferably, the fixing assembly comprises a connecting sleeve, and an extrusion ring is fixedly mounted on the left side of the inner wall of the connecting sleeve.
[0009] Preferably, a second inner tube is fixedly mounted on the inner wall of the right side wall of the hexagonal block.
[0010] Preferably, a second connecting pipe is fixedly mounted on the outer side of the right side wall of the hexagonal block.
[0011] Preferably, the inner wall of the extrusion ring is movably connected to the outer wall of the cable protection tube body.
[0012] Preferably, the right side wall of the extrusion ring is movably connected to the left side wall of the conical pressure tube.
[0013] Preferably, an internal thread is provided on the right side of the inner wall of the connecting sleeve.
[0014] Preferably, the inner wall of the connecting sleeve is located at the internal thread and is threadedly connected to the outer wall of the first connecting pipe at the external thread.
[0015] Beneficial Effects
[0016] The utility model provides an MPP cable protection tube, which has the following beneficial effects:
[0017] (1) The MPP cable protection tube is provided with a connection assembly, a first protection tube assembly and a second protection tube assembly. The connection assembly, the first protection tube assembly and the second protection tube assembly can quickly and stably splice two cable protection tube bodies, so that the cable protection tube bodies will not loosen after connection, thereby improving the connection strength of the entire cable protection tube body and avoiding the cable protection tube body from falling off.
[0018] (2) The MPP cable protection tube is provided with a first inner tube and a second inner tube. The first inner tube and the second inner tube can support the inner wall of the connection of the cable protection tube body to prevent the connection of the cable protection tube body from deformation and falling off, thereby further improving the strength of the connection of the entire cable protection tube body.
[0019] (3) The MPP cable protection tube is provided with a conical pressing tube. The conical structure of the conical pressing tube can smoothly enter the first connecting tube and press the cable protection tube body, thereby improving the smoothness of the quick connection of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the front side of the utility model;
[0021] Figure 2 This is a schematic diagram of the left wall structure of the connection assembly of the utility model;
[0022] Figure 3 It is a schematic diagram of the right wall structure of the fixing component of the utility model.
[0023] Legend: 10. Connecting assembly; 11. First protective tube assembly; 12. Second protective tube assembly; 13. Hexagonal block; 14. Movable hole; 15. First inner insert tube; 16. First connecting tube; 17. External thread; 18. Second inner insert tube; 19. Second connecting tube; 20. Cable protective tube body; 21. Conical pressing tube; 22. Fixing assembly; 23. Connecting sleeve; 24. Extrusion ring; 25. Internal thread. DETAILED DESCRIPTION
[0024] Embodiment 1: An MPP cable protection tube, such as Figure 1 As shown, it includes a connecting component 10, a first protective tube component 11 is arranged on the left side of the outer wall of the connecting component 10, a second protective tube component 12 is arranged on the right side of the outer wall of the connecting component 10, and the structure of the second protective tube component 12 is consistent with that of the first protective tube component 11, a second inner insert tube 18 is fixedly installed on the inner wall of the right side wall of the hexagonal block 13, and a second connecting tube 19 is fixedly installed on the outer side of the right side wall of the hexagonal block 13, the first protective tube component 11 includes a cable protective tube body 20, and the right side of the inner wall of the cable protective tube body 20 is movably connected to the outer wall of the first inner insert tube 15, and a conical pressure relief is movably installed on the right side of the outer wall of the cable protective tube body 20 Tube 21, and the outer wall of the conical pressing tube 21 is movably connected to the inner wall of the first connecting tube 16, the outer wall of the cable protection tube body 20 is located on the left side of the conical pressing tube 21 and is movably installed with a fixing component 22, by setting the connecting component 10, the first protection tube component 11 and the second protection tube component 12, the two cable protection tube bodies 20 can be spliced quickly and stably through the connecting component 10, the first protection tube component 11 and the second protection tube component 12, so that the cable protection tube body 20 will not loosen after connection, thereby improving the connection strength of the entire cable protection tube body 20 and avoiding the cable protection tube body 20 from falling off.
[0025] Embodiment 2: Based on Embodiment 1, Figure 2As shown, the connecting component 10 includes a hexagonal block 13, a movable hole 14 is opened in the middle end of the left side wall of the hexagonal block 13, a first inner tube 15 is fixedly installed on the inner side of the left side wall of the hexagonal block 13, a first connecting tube 16 is fixedly installed on the outer side of the left side wall of the hexagonal block 13, and an outer thread 17 is provided on the outer wall of the first connecting tube 16. By arranging the first inner tube 15 and the second inner tube 18, the first inner tube 15 and the second inner tube 18 can support the inner wall of the connection of the cable protection tube body 20 to prevent the connection of the cable protection tube body 20 from deformation and falling off, thereby further improving the connection strength of the entire cable protection tube body 20.
[0026] Embodiment 3: Based on Embodiment 1 and Embodiment 2, Figure 3 As shown, the fixing assembly 22 includes a connecting sleeve 23, an extrusion ring 24 is fixedly installed on the left side of the inner wall of the connecting sleeve 23, and the inner wall of the extrusion ring 24 is movably connected to the outer wall of the cable protection tube body 20, and the right side wall of the extrusion ring 24 is movably connected to the left side wall of the tapered pressing tube 21, and an internal thread 25 is provided on the right side of the inner wall of the connecting sleeve 23, and the inner wall of the connecting sleeve 23 is located at the internal thread 25 and is threadedly connected to the outer wall of the first connecting tube 16 at the external thread 17. By providing the tapered pressing tube 21, the tapered structure of the tapered pressing tube 21 can smoothly enter the first connecting tube 16 and press the cable protection tube body 20, thereby improving the fluency of the quick connection of the entire device.
[0027] The working principle of the utility model is as follows: the cable protection tube bodies 20 on the first protection tube assembly 11 and the second protection tube assembly 12 are respectively inserted into the first inner insert tube 15 and the second inner insert tube 18 on the connecting assembly 10, and the fixing components 22 on the first protection tube assembly 11 and the second protection tube assembly 12 are respectively rotated, and the fixing components 22 on the first protection tube assembly 11 and the second protection tube assembly 12 are respectively moved on the first connecting tube 16 and the second connecting tube 19 on the connecting assembly 10, thereby driving the first protection tube assembly 11 and the second protection tube assembly 12 respectively. The conical pressing tube 21 on the first protective tube assembly 11 and the second protective tube assembly 12 moves, and the conical pressing tube 21 on the first protective tube assembly 11 and the second protective tube assembly 12 respectively presses the connection between the cable protection tube body 20 on the first protective tube assembly 11 and the second protective tube assembly 12 and the first inner insert tube 15 and the second inner insert tube 18 on the connecting assembly 10, and the fixing assembly 22 on the first protective tube assembly 11 and the second protective tube assembly 12 is connected to the first connecting tube 16 and the second connecting tube 19 on the connecting assembly 10 through threads, thereby completing the connection and installation of the first protective tube assembly 11 and the second protective tube assembly 12.
[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. An MPP cable protection tube, comprising a connection assembly (10), characterized in that: The connecting component (10) is provided with a first protective tube component (11) on the left side of the outer wall, and a second protective tube component (12) is provided on the right side of the outer wall of the connecting component (10), and the structure of the second protective tube component (12) is consistent with that of the first protective tube component (11). The connecting component (10) comprises a hexagonal block (13), a movable hole (14) is provided at the middle end of the left side wall of the hexagonal block (13), and a first inner insert tube (15) is fixedly installed on the inner side of the left side wall of the hexagonal block (13). The first protection tube assembly (11) comprises a cable protection tube body (20), and the right side of the inner wall of the cable protection tube body (20) is movably connected to the outer wall of the first inner insert tube (15), a conical pressing tube (21) is movably installed on the right side of the outer wall of the cable protection tube body (20), and the outer wall of the conical pressing tube (21) is movably connected to the inner wall of the first connecting tube (16), and a fixing assembly (22) is movably installed on the outer wall of the cable protection tube body (20) located on the left side of the conical pressing tube (21).
2. The MPP cable protection tube according to claim 1, characterized in that: A first connecting pipe (16) is fixedly mounted on the outer side of the left side wall of the hexagonal block (13), and an outer wall of the first connecting pipe (16) is provided with an external thread (17).
3. The MPP cable protection tube according to claim 1, characterized in that: The fixing assembly (22) comprises a connecting sleeve (23), and an extrusion ring (24) is fixedly mounted on the left side of the inner wall of the connecting sleeve (23).
4. The MPP cable protection tube according to claim 1, characterized in that: A second inner insert tube (18) is fixedly mounted on the inner wall of the right side wall of the hexagonal block (13).
5. The MPP cable protection tube according to claim 1, characterized in that: A second connecting pipe (19) is fixedly mounted on the outer side of the right wall surface of the hexagonal block (13).
6. The MPP cable protection tube according to claim 3, characterized in that: The inner wall of the extrusion ring (24) is movably connected to the outer wall of the cable protection tube body (20).
7. The MPP cable protection tube according to claim 3, characterized in that: The right side wall surface of the extrusion ring (24) is movably connected to the left side wall surface of the conical pressure tube (21).
8. The MPP cable protection tube according to claim 3, characterized in that: An internal thread (25) is provided on the right side of the inner wall of the connecting sleeve (23).
9. The MPP cable protection tube according to claim 8, characterized in that: The inner wall of the connecting sleeve (23) is threadedly connected at the inner thread (25) to the outer wall of the first connecting pipe (16) at the outer thread (17).
Citation Information
Patent Citations
MPP cable protection pipe
CN219351176U