MPP electric power pipe easy to install

Abstract

The utility model discloses an easy-to-install MPP electric power pipe, which comprises a first electric power pipe and a second electric power pipe, and further comprises a connecting cylinder and two fastening cylinders, and the two ends of the connecting cylinder are respectively sleeved on the outer wall of one end of the first electric power pipe and the outer wall of one end of the second electric power pipe; the two ends of the outer wall of the connecting cylinder are sleeved with the two fastening cylinders in a threaded mode correspondingly. Connecting rings are fixedly connected to the ends, away from the connecting cylinder, of the two fastening cylinders, abutting rings are fixedly connected to the bottom ends of the connecting rings, and slopes are arranged on the outer walls of the ends, close to the connecting cylinder, of the abutting rings; annular mounting grooves are formed in the inner walls of the two ends of the connecting cylinder, limiting rings are arranged in the two mounting grooves, the two limiting rings are arranged on the outer walls of the first power pipe and the second power pipe in a sleeving mode correspondingly, and inclined faces matched with the abutting rings are arranged at one ends of the outer walls of the two limiting rings. According to the utility model, the MPP electric power pipe can be quickly connected, the connection stability is high, and the separation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of MPP power pipes, in particular to an MPP power pipe that is easy to install. Background Art

[0002] MPP power pipe, also known as MPP power cable protection pipe, is made primarily from modified polypropylene (MPP) and comes in both trenchless and trenchless types. MPP power pipe is widely used in municipal, telecommunications, electricity, gas, water, and heat pipeline projects, particularly in urban power grid construction, power transformation, and communication line laying. Its trenchless construction makes it particularly suitable for areas where excavation is impractical, such as historic sites and protected areas, downtown areas, crop and farmland conservation areas, highways, and rivers.

[0003] Existing MPP power pipes are often installed and connected using hot melt welding or flanges and bolts. Hot melt welding requires corresponding hot melt equipment and is inefficient. The connection is also prone to falling off, resulting in poor connection security. Utility model patent No. CN217087418U discloses an MPP power pipe with a quick-connect structure. This structure connects two pipes via a quick-connect sleeve. A limiting structure also limits the position of the pipe body on the quick-connect sleeve, preventing it from easily falling off and improving installation security.

[0004] Although the above utility model patent enables quick connection between quick-connect sleeve 1 and quick-connect sleeve 2 by setting a clamping structure, the connection strength between quick-connect sleeve 1 and quick-connect sleeve 2 is poor. Under the action of external force, the clamping structure is prone to failure, and quick-connect sleeve 1 and quick-connect sleeve 2 will separate, thereby causing the two pipes to detach.

[0005] Therefore, it is necessary to develop an easy-to-install MPP power pipe to address the above defects. Utility Model Content

[0006] The purpose of the utility model is to provide an easy-to-install MPP power pipe, which can quickly connect the MPP power pipe and has a high connection stability to avoid separation.

[0007] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0008] The utility model discloses an easy-to-install MPP power pipe, comprising a first power pipe and a second power pipe, and also comprising a connecting tube and two fastening tubes, wherein both ends of the connecting tube are respectively sleeved on the outer walls of one end of the first power pipe and the second power pipe; the two fastening tubes are respectively threadedly sleeved on the two ends of the outer wall of the connecting tube; the two fastening tubes are fixedly connected to a connecting ring at one end away from the connecting tube, and the bottom end of the connecting ring is fixedly connected to a pressure ring, and the pressure ring is provided with an inclined surface on the outer wall close to one end of the connecting tube; an annular mounting groove is provided on the inner wall at both ends of the connecting tube, and a limiting ring is provided in the two mounting grooves, and the two limiting rings are respectively sleeved on the outer walls of the first power pipe and the second power pipe, and one end of the outer wall of the two limiting rings is provided with an inclined surface that cooperates with the pressure ring.

[0009] Furthermore, the limiting ring includes a fixed ring, one end of which is fixedly connected to a plurality of limiting plates evenly spaced along its circumference, and the limiting plate is provided with an inclined surface matching the pressure ring at one end away from the fixed ring.

[0010] Furthermore, a plurality of clamping blocks are fixedly connected to the bottom surface of one end of the limiting plate away from the fixing ring, and a plurality of clamping grooves are correspondingly provided on the outer walls of the first power tube and the second power tube.

[0011] Furthermore, the limiting plate and the clamping block are both arc-shaped structures, and are both made of rubber material.

[0012] Furthermore, the distance between the top surface of the pressing ring and the bottom surface of the connecting ring is not less than the distance between the inner wall of the mounting groove and the top surface of the connecting tube.

[0013] Furthermore, a sealing ring is provided between the two limiting rings and the bottom surface of the installation groove, and the two sealing rings are respectively sleeved on the outer walls of the first power tube and the second power tube.

[0014] Furthermore, a plurality of reinforcement strips are provided on the outer wall at the middle position of the connecting tube, and the reinforcement strips are integrally formed with the connecting tube.

[0015] Compared with the prior art, the beneficial technical effects of the present invention are:

[0016] The utility model realizes the connection between the two power pipes by sleeve-connecting the connecting tube onto the first power pipe and the second power pipe. At the same time, by threading the two fastening tubes at both ends of the connecting tube, the pressure ring is moved toward the limiting ring by rotating the two fastening tubes. When the inclined surface of the pressure ring contacts the inclined surface of the limiting ring, pressure is generated to squeeze the limiting ring toward the outer wall of the first power pipe and the second power pipe, thereby pressing the limiting ring against the outer wall of the first power pipe and the second power pipe respectively, thereby realizing a quick and stable connection of the power pipes and avoiding separation.

[0017] In addition, through the setting of the sealing ring, when the pressure ring presses against the limit ring, the limit ring will squeeze the sealing ring so that it respectively contacts the inner wall of the installation groove, the outer wall of the first power tube and the second power tube, thereby filling the gap between the first power tube, the second power tube and the connecting tube, thereby achieving a good sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Figure 1 It is a cross-sectional view of the utility model;

[0020] Figure 2 for Figure 1 A partial enlarged view of part A;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the limiting ring of the utility model.

[0022] Explanation of the accompanying drawings: 1. First power tube; 2. Second power tube; 3. Connecting tube; 4. Fastening tube; 5. Connecting ring; 6. Pressing ring; 7. Mounting groove; 8. Limiting ring; 801. Fixing ring; 802. Limiting plate; 803. Block; 804. Slot; 9. Sealing ring; 10. Reinforcement strip. DETAILED DESCRIPTION

[0023] The core of the utility model is to provide an easy-to-install MPP power pipe, which can quickly connect the MPP power pipe, and the connection is highly stable to avoid detachment.

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0026] In one embodiment, Figures 1 to 3As shown, it includes a first power tube 1 and a second power tube 2, and also includes a connecting tube 3 and two fastening tubes 4. The two ends of the connecting tube 3 are respectively sleeved on the outer walls of one end of the first power tube 1 and the second power tube 2; the two fastening tubes 4 are respectively threadedly sleeved on the two ends of the outer wall of the connecting tube 3; the two fastening tubes 4 are fixedly connected to the ends of the connecting tube 3 away from the connecting tube 3. The bottom end of the connecting ring 5 is fixedly connected to the pressure ring 6, and the outer wall of the pressure ring 6 close to the end of the connecting tube 3 is provided with an inclined surface; the inner walls of both ends of the connecting tube 3 are provided with an annular mounting groove 7, and the two mounting grooves 7 are provided with a limiting ring 8. The two limiting rings 8 are respectively sleeved on the outer walls of the first power tube 1 and the second power tube 2, and the outer wall ends of the two limiting rings 8 are provided with an inclined surface that cooperates with the pressure ring 6.

[0027] By sleeved the connecting tube 3 on the first power tube 1 and the second power tube 2, the connection between the two power tubes is achieved. At the same time, by threading the two fastening tubes 4 on both ends of the connecting tube 3, the pressure ring 6 is moved toward the limiting ring 8 by rotating the two fastening tubes 4. When the inclined surface of the pressure ring 6 contacts the inclined surface of the limiting ring 8, the limiting ring 8 will be squeezed and deformed toward the outer wall of the first power tube 1 and the second power tube 2, thereby pressing the limiting ring 8 against the outer wall of the first power tube 1 and the second power tube 2 respectively, thereby achieving a quick and stable connection of the power tubes and avoiding detachment.

[0028] In a specific embodiment, the limiting ring 8 includes a fixed ring 801, one end of which is fixedly connected to a plurality of limiting plates 802 evenly spaced along its circumference, and the limiting plate 802 is provided with an inclined surface that cooperates with the pressure ring 6 at one end away from the fixed ring 801.

[0029] Specifically, a plurality of blocks 803 are fixedly connected to the bottom surface of the end of the limiting plate 802 away from the fixing ring 801, and a plurality of corresponding slots 804 are formed on the outer walls of the first and second power tubes 1 and 2. Through the cooperation of the blocks 803 and the slots 804, the limiting plate 802 is deformed toward the outer walls of the power tubes under the action of the pressure ring 6, allowing the blocks 803 to be inserted into the slots 804, thereby strengthening the connection between the power tubes and the connecting tube 3 and preventing the first and second power tubes 1 and 2 from being separated from the connecting tube 3.

[0030] Specifically, both the limiting plate 802 and the clamping block 803 are arc-shaped and made of rubber. Their arc-shaped structure and rubber material enhance their fit and sealing against the outer wall of the power pipe, while also providing them with elasticity, allowing them to deform under the action of the pressure ring 6.

[0031] Specifically, the distance between the top surface of the pressing ring 6 and the bottom surface of the connecting ring 5 is not less than the distance between the inner wall of the installation groove 7 and the top surface of the connecting cylinder 3. Ensure that the pressing ring 6 can smoothly enter the installation groove 7 and effectively press the limiting ring 8 when the fastening cylinder 4 is rotated.

[0032] In one embodiment, a sealing ring 9 is disposed between each of the two retaining rings 8 and the bottom surface of the mounting groove 7. The two sealing rings 9 are respectively sleeved onto the outer walls of the first power tube 1 and the second power tube 2. The provision of the sealing rings 9 enhances the sealing performance of the connection. When the retaining rings 8 are pressed against the pressure ring 6, the sealing rings 9 are also compressed, thereby filling the small gap between the power tube and the connecting tube 3 and preventing the penetration of liquid or gas.

[0033] In one embodiment, a plurality of reinforcing strips 10 are provided on the outer wall of the middle portion of the connecting tube 3. The reinforcing strips 10 are integrally formed with the connecting tube 3. This enhances the structural strength of the connecting tube 3 and prevents deformation or damage caused by external forces during installation and use.

[0034] Working principle of the utility model: When using the utility model, first, the two limiting rings 8 are respectively placed in the installation grooves 7 at both ends of the connecting tube 3, and the two fastening tubes 4 are respectively threadedly connected to the two ends of the connecting tube 3, and then the ends of the first power tube 1 and the second power tube 2 to be connected are respectively inserted into the two ends of the connecting tube 3 to achieve the preliminary connection between the first power tube 1 and the second power tube 2.

[0035] Then rotate the two fastening cylinders 4 respectively to move the pressure ring 6 toward the limiting ring 8. When the inclined surface of the pressure ring 6 contacts the inclined surface of the limiting ring 8, pressure will be generated, thereby squeezing the limiting ring 8 toward the outer wall of the first power tube 1 and the second power tube 2 to deform, so that the clamping block 803 is inserted into the clamping groove 804, and finally the limiting ring 8 is pressed tightly against the outer walls of the first power tube 1 and the second power tube 2, respectively, to achieve a quick and stable connection of the power tubes and avoid detachment.

[0036] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Reference can be made to the common and similar parts between the various embodiments. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple, and the relevant parts can be referred to the method description.

[0037] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. An easy-to-install MPP power pipe, comprising a first power pipe (1) and a second power pipe (2), characterized in that: The utility model also comprises a connecting tube (3) and two fastening tubes (4), the two ends of the connecting tube (3) are respectively sleeved on the outer walls of one end of the first power tube (1) and the second power tube (2); the two fastening tubes (4) are respectively threadedly sleeved on the two ends of the outer wall of the connecting tube (3); the two fastening tubes (4) are fixedly connected to a connecting ring (5) at one end away from the connecting tube (3), and the bottom end of the connecting ring (5) is fixedly connected to a pressure ring (6), and the pressure ring (6) is provided with an inclined surface on the outer wall near one end of the connecting tube (3); an annular mounting groove (7) is provided on the inner wall at both ends of the connecting tube (3), and a limiting ring (8) is provided in each of the two mounting grooves (7). The two limiting rings (8) are respectively sleeved on the outer walls of the first power tube (1) and the second power tube (2), and one end of the outer wall of the two limiting rings (8) is provided with an inclined surface matching the pressure ring (6).

2. The easy-to-install MPP power pipe according to claim 1, characterized in that: The limiting ring (8) comprises a fixed ring (801), one end of which is fixedly connected to a plurality of limiting plates (802) evenly spaced along its circumference, and one end of the limiting plate (802) away from the fixed ring (801) is provided with an inclined surface that cooperates with the pressure ring (6).

3. The easy-to-install MPP power pipe according to claim 2, characterized in that: A plurality of clamping blocks (803) are fixedly connected to the bottom surface of one end of the limiting plate (802) away from the fixing ring (801), and a plurality of clamping grooves (804) are correspondingly provided on the outer walls of the first power tube (1) and the second power tube (2).

4. The easy-to-install MPP power pipe according to claim 3, characterized in that: The limiting plate (802) and the clamping block (803) are both arc-shaped structures, and are both made of rubber material.

5. The easy-to-install MPP power pipe according to claim 1, characterized in that: The distance between the top surface of the pressing ring (6) and the bottom surface of the connecting ring (5) is not less than the distance between the inner wall of the mounting groove (7) and the top surface of the connecting tube (3).

6. The easy-to-install MPP power pipe according to claim 1, characterized in that: A sealing ring (9) is provided between the two limiting rings (8) and the bottom surface of the installation groove (7), and the two sealing rings (9) are respectively sleeved on the outer walls of the first power tube (1) and the second power tube (2).

7. The easy-to-install MPP power pipe according to claim 1, characterized in that: A plurality of reinforcement strips (10) are provided on the outer wall at the middle position of the connecting tube (3), and the reinforcement strips (10) are integrally formed with the connecting tube (3).

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