Prefabricated calandria capable of being self-fastened

Abstract

The utility model discloses a self-fastening prefabricated calandria which comprises a pipe body, a clamping groove is formed in the left end of the pipe body, a clamping block is fixedly installed at the right end of the pipe body, a plurality of pipeline channels are formed in the pipe body, and connecting assemblies used for connection and reinforcement are arranged on the front side and the rear side of the pipe body. A plurality of evenly-distributed trapezoidal blocks are fixedly installed on the inner wall of the bottom of the clamping groove, a plurality of evenly-distributed trapezoidal grooves are formed in the bottom of the clamping block, and the trapezoidal blocks are matched with the corresponding trapezoidal grooves. The connecting structure is reasonable in design, the clamping blocks can slide into the clamping grooves along the inclined faces of the trapezoidal blocks through the dead weight of the pipe bodies and make close contact with the sealing rubber pads, butt joint and sealing of the two pipe bodies are completed, operation is simple and easy, the installation efficiency is improved, the connecting pins can be clamped in the second grooves, the butt joint flatness of the two pipe bodies is improved, and the service life of the pipe bodies is prolonged. And the two pipe bodies can be effectively prevented from being separated.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution network construction, in particular to a self-tightening prefabricated pipe. Background Art

[0002] Prefabricated power conduit is cast and manufactured in-house, offering advantages such as high strength, low friction, high current carrying capacity, safety, reliability, affordability, and wide applicability. After excavation, prefabricated modules can be placed directly into the target path and then secured in sections using connectors. The advantage of prefabricated power conduit is that there's no need to wait for concrete to cure; it can be quickly laid, covered, and opened to traffic. This reduces on-site construction workload and waiting time for the entire power conduit and work pit by over 50%.

[0003] A prefabricated drainage pipe with convenient installation is found in the Chinese patent announcement with the search announcement number CN218216642U. Its technical points are: it includes a drainage pipe body, which is cast by concrete, and a plurality of parallel pipeline channels are arranged in the drainage pipe body. Hanging points are pre-buried at the four corners of the top surface of the drainage pipe body, and mounting holes are symmetrically provided at the front and rear ends of the drainage pipe body. A protruding connecting piece is pre-buried on the front end face of the drainage pipe body, and a connecting hole corresponding to the position of the connecting piece is provided on the rear end face of the drainage pipe body.

[0004] In actual operation, it was found that the above solution still has at least the following defects: when installing the pipes, the two pipes need to be horizontally aligned, and then the pipes need to be pushed horizontally to dock the joints with the large interface, which is time-consuming and labor-intensive, and there is a lack of connecting and fixing components, which poses a risk of the two pipes detaching. For this reason, we propose a self-tightening prefabricated pipe to solve the above problems. Utility Model Content

[0005] (1) Technical problems solved

[0006] In response to the shortcomings of the existing technology, the utility model provides a self-tightening prefabricated pipe, which solves the problem that during installation, two pipes need to be horizontally aligned and then pushed horizontally to dock the joint with the large interface, which is time-consuming and labor-intensive, and lacks connecting and fixing components, resulting in the hidden danger of the two pipes detaching.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a prefabricated drainage pipe that can be self-tightened, including a pipe body, a clamping groove is provided at the left end of the pipe body, a clamping block is fixedly installed at the right end of the pipe body, a plurality of pipeline channels are provided on the pipe body, and connection components for connection and reinforcement are provided on the front and back sides of the pipe body.

[0009] Preferably, a plurality of evenly distributed trapezoidal blocks are fixedly mounted on the inner wall of the bottom of the clamping groove, a plurality of evenly distributed trapezoidal grooves are opened at the bottom of the clamping block, and the trapezoidal blocks are adapted to the corresponding trapezoidal grooves.

[0010] Preferably, the connecting assembly includes a first connecting block, a second connecting block, a first spring and a connecting pin. The first connecting block and the second connecting block are both fixedly mounted on the front side of the tube body and are symmetrically distributed. A first groove is provided on the right side of the first connecting block. The first spring is fixedly mounted on the left inner wall of the first groove. The connecting pin is fixedly mounted on the right end of the first spring and slidably mounted in the first groove. A second groove is provided on the left side of the second connecting block. The connecting pin is adapted to the corresponding second groove.

[0011] Preferably, an adjustment slot is provided on the front side of the first connecting block, an adjustment rod is fixedly mounted on the front side of the connecting pin, and the front end of the adjustment rod extends to the outside of the first connecting block through the adjustment slot.

[0012] Preferably, a telescopic groove is provided on the bottom inner wall of the second groove, a second spring is fixedly installed on the bottom inner wall of the telescopic groove, a telescopic rod is fixedly installed on the top of the second spring, a positioning groove is provided at the bottom of the connecting pin, and the top of the telescopic rod is hemispherical and adapted to the corresponding positioning groove.

[0013] Preferably, limit slots are provided on both the left and right sides of the telescopic slot, and limit blocks are fixedly installed on both the left and right sides of the telescopic rod, and the two limit blocks are slidably installed in the two limit slots respectively.

[0014] Preferably, the top of the tube body is provided with four avoidance grooves which are symmetrically distributed in pairs, and a lifting ring is fixedly installed in each of the four avoidance grooves.

[0015] Preferably, a sealing rubber gasket is fixedly installed on the right inner wall of the clamping groove.

[0016] (3) Beneficial effects

[0017] The utility model provides a self-tightening prefabricated pipe. It has the following beneficial effects:

[0018] (1) This self-tightening prefabricated pipe arrangement utilizes the combined effect of a clamping groove, a clamping block, a plurality of trapezoidal blocks, a plurality of trapezoidal grooves and a sealing gasket. The clamping block can utilize the dead weight of the pipe body to slide along the inclined surface of the trapezoidal block into the clamping groove and come into close contact with the sealing gasket, thereby completing the docking and sealing of the two pipe bodies. It is simple and easy to operate, and improves installation efficiency.

[0019] (2) This self-tightening prefabricated pipe arrangement can make the connecting pin snap into the second groove by utilizing the combined action of the first connecting block, the second connecting block, the first groove, the first spring, the second groove and the connecting pin, thereby improving the flatness of the pipe body docking and effectively preventing the two pipe bodies from detaching. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 ;

[0021] Figure 2 This is a schematic cross-sectional view of the main view of the present invention;

[0022] Figure 3 It is a partially enlarged schematic diagram of a cross-section of a connection component;

[0023] Figure 4 for Figure 3 A magnified schematic diagram of part A;

[0024] Figure 5 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 .

[0025] In the figure: 1. Tube body; 2. Snap-fit ​​groove; 3. Snap-fit ​​block; 4. Pipeline channel; 5. Trapezoidal block; 6. Trapezoidal groove; 7. First connecting block; 8. Second connecting block; 9. First groove; 10. First spring; 11. Connecting pin; 12. Second groove; 13. Adjusting groove; 14. Adjusting rod; 15. Telescopic groove; 16. Second spring; 17. Telescopic rod; 18. Positioning groove; 19. Limiting groove; 20. Limiting block; 21. Avoiding groove; 22. Lifting ring; 23. Sealing pad. DETAILED DESCRIPTION

[0026] 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.

[0027] like Figure 1-5 As shown, the utility model provides a technical solution: a prefabricated drainage pipe that can be self-tightened, including a pipe body 1, a clamping groove 2 is provided at the left end of the pipe body 1, a clamping block 3 is fixedly installed at the right end of the pipe body 1, a plurality of pipeline channels 4 are provided on the pipe body 1, and connection components for connection and reinforcement are provided on the front and back sides of the pipe body 1.

[0028] In this embodiment, four avoidance grooves 21 symmetrically distributed in pairs are provided on the top of the tube body 1 , and lifting rings 22 are fixedly installed in the four avoidance grooves 21 . By utilizing the four lifting rings 22 , the tube body 1 can be conveniently lifted for installation.

[0029] In this embodiment, a plurality of evenly distributed trapezoidal blocks 5 are fixedly installed on the bottom inner wall of the above-mentioned clamping groove 2, and a plurality of evenly distributed trapezoidal grooves 6 are opened at the bottom of the clamping block 3. The trapezoidal blocks 5 are adapted to the corresponding trapezoidal grooves 6. By utilizing the trapezoidal blocks 5 and the trapezoidal grooves 6, the two tube bodies 1 can be conveniently docked, saving time and effort. A sealing gasket 23 is fixedly installed on the right inner wall of the clamping groove 2, and the sealing gasket 23 can be used to seal the docking installation of the two tube bodies 1.

[0030] In this embodiment, the above-mentioned connecting assembly includes a first connecting block 7, a second connecting block 8, a first spring 10 and a connecting pin 11. The first connecting block 7 and the second connecting block 8 are both fixedly mounted on the front side of the tube body 1 and are symmetrically distributed. A first groove 9 is provided on the right side of the first connecting block 7. The first spring 10 is fixedly mounted on the left inner wall of the first groove 9. The connecting pin 11 is fixedly mounted on the right end of the first spring 10 and slidably mounted in the first groove 9. A second groove 12 is provided on the left side of the second connecting block 8. The connecting pin 11 is adapted to the corresponding second groove 12. An adjusting groove 13 is provided on the front side of the first connecting block 7. An adjusting rod 14 is fixedly mounted on the front side of the connecting pin 11. The front end of the adjusting rod 14 extends to the outside of the first connecting block 7 through the adjusting groove 13. The adjusting rod 14 can be used to control the connecting pin 11 to retract into the first groove 9 when the two tube bodies 1 are docked, thereby facilitating installation.

[0031] In this embodiment, a telescopic groove 15 is provided on the bottom inner wall of the above-mentioned second groove 12, and a second spring 16 is fixedly installed on the bottom inner wall of the telescopic groove 15. A telescopic rod 17 is fixedly installed on the top of the second spring 16. The second spring 16 is used to push the top of the telescopic rod 17 to make close contact with the positioning groove 18, thereby fixing the connecting pin 11 and further preventing the two tube bodies 1 from detaching. A positioning groove 18 is provided at the bottom of the connecting pin 11, and the top of the telescopic rod 17 is hemispherical and matches the corresponding positioning groove 18. Limiting grooves 19 are provided on the left and right sides of the telescopic groove 15, and limiting blocks 20 are fixedly installed on the left and right sides of the telescopic rod 17. The two limiting blocks 20 are respectively slidably installed in the two limiting grooves 19.

[0032] Through the above structure, the utility model provides a self-tightening prefabricated row pipe, which can use the dead weight of the pipe body 1 to make the clamping block 3 slide into the clamping groove 2 along the inclined surface of the trapezoidal block 5, and make close contact with the sealing gasket 23 to complete the docking and sealing of the two pipe bodies 1. It is simple and easy to operate, and the installation efficiency is improved. It can also make the connecting pin 11 clamped in the second groove 12, improve the flatness of the docking of the two pipe bodies 1, and effectively prevent the two pipe bodies 1 from detaching. When used, a row pipe body 1 is lifted to the installation position through four lifting rings 22, and multiple trapezoidal grooves 6 are respectively located above multiple trapezoidal blocks 5, and the two front and rear adjustment rods 14 of the control pipe body 1 respectively squeeze the two first springs 10, so that the two connecting pins 11 retract into the corresponding first grooves In the groove 9, the pipe body 1 is controlled to descend. Under the action of the gravity of the pipe body 1, the clamping block 3 slides along the inclined surface of the trapezoidal block 5 into the clamping groove 2, and is in close contact with the sealing gasket 23, completing the docking and sealing of the two pipe bodies 1, loosening the two adjusting rods 14, and under the push of the two first springs 10, the two connecting pins 11 slide into the two second grooves 12 respectively. When the two connecting pins 11 slide into the second grooves 12, the two connecting pins 11 squeeze the two telescopic rods 17 and the two second springs 16. When the positioning groove 18 is above the telescopic rod 17, the two second springs 16 push the top of the two telescopic rods 17 to be in close contact with the two positioning grooves 18, completing the connection reinforcement of the two connecting pins 11 and the two pipe bodies 1, and improving the integrity of the prefabricated pipe installation.

[0033] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope of the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A self-tightening prefabricated pipe, characterized by: The invention comprises a tube body (1), wherein a clamping groove (2) is provided at the left end of the tube body (1), a clamping block (3) is fixedly mounted at the right end of the tube body (1), a plurality of pipeline channels (4) are provided on the tube body (1), and connection components for connection and reinforcement are provided on both the front and rear sides of the tube body (1).

2. The self-tightening prefabricated pipe according to claim 1, characterized in that: A plurality of evenly distributed trapezoidal blocks (5) are fixedly mounted on the inner wall of the bottom of the clamping groove (2), a plurality of evenly distributed trapezoidal grooves (6) are opened on the bottom of the clamping block (3), and the trapezoidal blocks (5) are adapted to the corresponding trapezoidal grooves (6).

3. The self-tightening prefabricated pipe according to claim 1, characterized in that: The connecting assembly comprises a first connecting block (7), a second connecting block (8), a first spring (10) and a connecting pin (11); the first connecting block (7) and the second connecting block (8) are both fixedly mounted on the front side of the tube body (1) and are symmetrically distributed; a first groove (9) is provided on the right side of the first connecting block (7); the first spring (10) is fixedly mounted on the left inner wall of the first groove (9); the connecting pin (11) is fixedly mounted on the right end of the first spring (10) and is slidably mounted in the first groove (9); a second groove (12) is provided on the left side of the second connecting block (8); the connecting pin (11) is adapted to the corresponding second groove (12).

4. The self-tightening prefabricated pipe arrangement according to claim 3, characterized in that: An adjustment slot (13) is provided on the front side of the first connecting block (7), an adjustment rod (14) is fixedly mounted on the front side of the connecting pin (11), and the front end of the adjustment rod (14) extends to the outside of the first connecting block (7) through the adjustment slot (13).

5. The self-tightening prefabricated pipe according to claim 3, characterized in that: A telescopic groove (15) is provided on the inner wall of the bottom of the second groove (12), a second spring (16) is fixedly mounted on the inner wall of the bottom of the telescopic groove (15), a telescopic rod (17) is fixedly mounted on the top of the second spring (16), a positioning groove (18) is provided on the bottom of the connecting pin (11), and the top of the telescopic rod (17) is hemispherical and matches the corresponding positioning groove (18).

6. The self-tightening prefabricated pipe arrangement according to claim 5, characterized in that: Limiting slots (19) are provided on both the left and right sides of the telescopic slot (15), and limiting blocks (20) are fixedly installed on both the left and right sides of the telescopic rod (17), and the two limiting blocks (20) are slidably installed in the two limiting slots (19) respectively.

7. The self-tightening prefabricated pipe arrangement according to claim 1, characterized in that: Four avoidance grooves (21) are symmetrically distributed in pairs on the top of the tube body (1), and a lifting ring (22) is fixedly installed in each of the four avoidance grooves (21).

8. The self-tightening prefabricated pipe arrangement according to claim 1, characterized in that: A sealing rubber pad (23) is fixedly mounted on the right inner wall of the clamping groove (2).

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