Drain pipe connecting device for construction of sewage treatment plant

Abstract

The invention discloses a drain pipe connecting device for construction of a sewage treatment plant, and relates to the technical field of sewage treatment equipment. Comprising a connecting pipe, annular grooves are formed in the two sides of an inner cavity of the connecting pipe, a plurality of pre-buried grooves are formed in the side, close to the annular grooves, of the interior of the connecting pipe, sealing assemblies are arranged in the pre-buried grooves, through grooves are formed in the side, close to the annular grooves, of the inner wall of the connecting pipe, and moving assemblies are arranged in the through grooves; a first toothed plate moves in a pre-embedded groove through an arranged moving assembly, a second toothed plate with a piston rod slides towards the deep position of an inner cavity of a piston barrel under the action of a gear shaft, and gas generated in the inner cavity of the piston barrel in the sliding process enters an annular air bag through a communicating pipe; therefore, the annular air bag expands to be tightly attached to the surface of the drainage pipe, and the connection sealing performance of the connecting pipe and the drainage pipe is improved.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment equipment technology, specifically to a drainage pipe connection device used in the construction of a wastewater treatment plant. Background Technology

[0002] During the construction of wastewater treatment plants, the connection quality of drainage pipes directly affects the operational stability of the subsequent wastewater treatment system. Existing drainage pipe connection devices have several shortcomings: First, their sealing performance is poor. Wastewater contains a large amount of corrosive substances, and long-term use can easily lead to aging and leakage of the seals, affecting treatment efficiency and causing secondary pollution. Second, their installation adaptability is poor. Errors in pipe dimensions at construction sites make it difficult to flexibly adjust traditional connection structures, resulting in low installation efficiency. To address these issues, a new drainage pipe connection device for wastewater treatment plant construction is proposed. Summary of the Invention

[0003] To solve the above technical problems, the present invention adopts the following technical solution: a drainage pipe connection device for construction of a sewage treatment plant, including a connecting pipe, an annular groove is provided on both sides of the inner cavity of the connecting pipe, a plurality of pre-embedded grooves are provided on the side of the inner cavity of the connecting pipe near the annular grooves, a sealing component is provided inside the pre-embedded grooves, and a through groove is provided on the side of the inner wall of the connecting pipe near the annular grooves, and a moving component is provided inside the through grooves. The sealing assembly includes an annular airbag fixedly installed inside an annular groove. A first toothed plate is slidably connected to the bottom end of the pre-embedded groove, and a second toothed plate is slidably connected to one side of the top end of the pre-embedded groove. A toothed shaft is rotatably connected to the center position inside the pre-embedded groove. A piston cylinder is fixedly installed on one side of the pre-embedded groove, and a piston rod is slidably connected to the inner cavity of the piston cylinder. An L-shaped connecting frame is fixedly installed on one side of the second toothed plate, and the other side of the piston rod is connected to the L-shaped connecting frame. A connecting pipe is fixedly installed on one side of the piston cylinder, and the other side of the connecting pipe is connected to the annular airbag. The first toothed plate slides inside the pre-embedded groove through a movable component.

[0004] Preferably, the movable component includes a movable rod elastically connected inside the through groove, one side of the movable rod being connected to the first toothed plate, a stop ring being slidably connected to one side of the inner cavity of the connecting tube, and the other side of the movable rod being fixedly connected to the outer ring surface of the stop ring.

[0005] Preferably, the inner wall of the connecting pipe is coated with an anti-corrosion coating, and a rubber gasket is fitted on the surface of the piston rod. The anti-corrosion coating is made of epoxy resin.

[0006] Preferably, connecting brackets are fixedly installed on both opposite sides of the outer surface of the connecting pipe, and a threaded adjusting bolt is threadedly connected to the outer ring surface of the connecting bracket, with an arc-shaped clamp rotatably connected to the bottom end of the threaded adjusting bolt.

[0007] Preferably, a rubber buffer layer is fixedly installed on the inner ring surface of the arc-shaped clamp.

[0008] Compared with the prior art, the beneficial effects of the present invention are as follows: The movable component allows the first toothed plate to move inside the pre-embedded groove. Under the action of the toothed shaft, the second toothed plate, along with the piston rod, slides towards the depth of the piston cylinder cavity. During the sliding process, the gas generated inside the piston cylinder cavity enters the interior of the annular airbag through the connecting pipe, thereby causing the annular airbag to expand and fit tightly against the surface of the drain pipe, increasing the sealing performance of the connection between the connecting pipe and the drain pipe. Attached Figure Description

[0009] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0010] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a partial structural diagram of the present invention; Figure 3 This is a schematic diagram of the internal structure of the connecting cylinder in this invention; Figure 4 for Figure 2 Enlarged view of the structure at point A in the middle.

[0011] In the diagram: 1. Connecting pipe; 2. Connecting frame; 3. Threaded adjusting bolt; 5. Arc-shaped clamp; 501. Rubber buffer layer; 6. Through groove; 7. Moving rod; 8. Abutment ring; 9. Annular groove; 10. Annular airbag; 11. Connecting pipe; 12. Embedded groove; 13. Second toothed plate; 14. First toothed plate; 15. Gear shaft; 16. L-shaped connecting frame; 17. Piston cylinder; 18. Piston rod. Detailed Implementation

[0012] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0013] Example: Figures 1-4 As shown, the present invention provides a drainage pipe connection device for construction of a sewage treatment plant, including a connecting pipe 1, which is connected to an external drainage pipe. Both sides of the inner cavity of the connecting pipe 1 are provided with annular grooves 9. Several pre-embedded grooves 12 are provided on the side of the connecting pipe 1 near the annular grooves 9. A sealing component is provided inside the pre-embedded grooves 12 to enhance the sealing of the connection between the connecting pipe 1 and the drainage pipe. A through groove 6 is provided on the side of the inner wall of the connecting pipe 1 near the annular grooves 9. A moving component is provided inside the through groove 6. The sealing assembly includes an annular airbag 10 fixedly installed inside an annular groove 9. A first toothed plate 14 is slidably connected to the bottom end of the pre-embedded groove 12, and a second toothed plate 13 is slidably connected to one side of the top end of the pre-embedded groove 12. A gear shaft 15 is rotatably connected to the center position inside the pre-embedded groove 12. Under the action of the moving assembly, the first toothed plate 14 slides inside the pre-embedded groove 12. During the sliding process, the gear shaft 15 causes the second toothed plate 13, along with the piston rod 18, to slide towards the depth of the inner cavity of the piston cylinder 17. The gas generated during the sliding of the piston rod 18 enters the interior of the annular airbag 10 through the connecting pipe 11, thus making the annular airbag... The 10 deforms and expands to fit tightly against the surface of the drain pipe. A piston cylinder 17 is fixedly installed on one side inside the pre-embedded groove 12. A piston rod 18 is slidably connected to the inner cavity of the piston cylinder 17. The inner wall of the connecting pipe 1 is coated with an anti-corrosion coating. A rubber pad is fitted on the surface of the piston rod 18. The anti-corrosion coating is made of epoxy resin. An L-shaped connecting frame 16 is fixedly installed on one side of the second toothed plate 13. The other side of the piston rod 18 is connected to the L-shaped connecting frame 16. A connecting pipe 11 is fixedly installed on one side of the piston cylinder 17. The other side of the connecting pipe 11 is connected to the annular airbag 10. The first toothed plate 14 slides inside the pre-embedded groove 12 through the set moving component.

[0014] The movable component includes a movable rod 7 elastically connected inside the through groove 6. One side of the movable rod 7 is connected to the first toothed plate 14. A stop ring 8 is slidably connected to one side of the inner cavity of the connecting pipe 1. The other side of the movable rod 7 is fixedly connected to the outer ring surface of the stop ring 8.

[0015] By adopting the above technical solution, the end of the drain pipe is inserted into the inner cavity of the end of the connecting pipe 1. During the insertion process, the end of the drain pipe presses against the abutment ring 8, causing the abutment ring 8 to slide with the moving rod 7 inside the through groove 6, thereby causing the moving rod 7 to slide with the first toothed plate 14 inside the pre-embedded groove 12.

[0016] Connecting brackets 2 are fixedly installed on both opposite sides of the outer surface of connecting pipe 1. A threaded adjusting bolt 3 is threadedly connected to the outer ring surface of connecting bracket 2, and an arc-shaped clamp 5 is rotatably connected to the bottom end of the threaded adjusting bolt 3. A rubber buffer layer 501 is fixedly installed on the inner ring surface of the arc-shaped clamp 5.

[0017] By adopting the above technical solution, in the initial state, the threaded adjusting bolt 3 is in the unscrewed state, and the arc-shaped clamp 5 connected to its bottom end maintains a certain distance from the outer surface of the connecting pipe 1, which facilitates the placement of the connecting pipe 1 in the target installation position. After the connecting pipe 1 is positioned, the operator rotates the threaded adjusting bolt 3 on both sides of the connecting bracket 2, utilizing the threaded engagement between the threaded adjusting bolt 3 and the outer ring surface of the connecting bracket 2, to move the threaded adjusting bolt 3 downward along its own axis. Since the bottom end of the threaded adjusting bolt 3 is rotatably connected to the arc-shaped clamp 5, during the downward movement of the threaded adjusting bolt 3, the arc-shaped clamp 5 only approaches the connecting pipe 1 radially, avoiding damage caused by... The rotation of the thread causes the arc-shaped clamping plate 5 to twist, ensuring accurate clamping direction. As the threaded adjusting bolt 3 continues to screw in, the inner ring surfaces of the arc-shaped clamping plates 5 on both sides gradually come into contact with the outer surface of the connecting pipe 1 until the rubber buffer layer 501 on the arc-shaped clamping plate 5 completely presses the connecting pipe 1. At this time, the rubber buffer layer 501 fills the gap between the arc-shaped clamping plate 5 and the connecting pipe 1 through its own elastic deformation, enhancing the clamping sealing and stability. On the other hand, it can buffer the clamping pressure and avoid rigid contact causing scratches or pressure damage to the outer surface of the connecting pipe 1. At the same time, the anti-slip properties of the rubber material can prevent the connecting pipe 1 from undergoing axial or radial displacement during use. When it is necessary to disassemble or adjust the connecting pipe 1, rotate the threaded adjusting bolt 3 in the opposite direction to make it turn upward. The arc-shaped clamp 5 moves away from the connecting pipe 1 synchronously with the threaded adjusting bolt 3, releasing the clamping and fixing state, which facilitates the maintenance or position adjustment of the connecting pipe 1.

[0018] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. A drainage pipe connection device for construction of a sewage treatment plant, comprising a connecting pipe (1), characterized in that: The inner cavity of the connecting pipe (1) is provided with annular grooves (9) on both sides. Several pre-embedded grooves (12) are provided on the side of the connecting pipe (1) near the annular grooves (9). A sealing component is provided inside the pre-embedded grooves (12). A through groove (6) is provided on the side of the inner wall of the connecting pipe (1) near the annular grooves (9). A moving component is provided inside the through groove (6). The sealing assembly includes an annular airbag (10) fixedly installed inside the annular groove (9), a first toothed plate (14) slidably connected to the bottom end of the pre-embedded groove (12), a second toothed plate (13) slidably connected to one side of the top end of the pre-embedded groove (12), a toothed shaft (15) rotatably connected to the center position inside the pre-embedded groove (12), a piston cylinder (17) fixedly installed on one side inside the pre-embedded groove (12), a piston rod (18) slidably connected to the inner cavity of the piston cylinder (17), an L-shaped connecting frame (16) fixedly installed on one side of the second toothed plate (13), the other side of the piston rod (18) connected to the L-shaped connecting frame (16), a connecting pipe (11) fixedly installed on one side of the piston cylinder (17), the other side of the connecting pipe (11) connected to the annular airbag (10), and the first toothed plate (14) sliding inside the pre-embedded groove (12) by a set moving component.

2. The drainage pipe connection device for construction of a sewage treatment plant as described in claim 1, characterized in that, The moving component includes a moving rod (7) elastically connected inside the through groove (6). One side of the moving rod (7) is connected to the first toothed plate (14). One side of the inner cavity of the connecting pipe (1) is slidably connected to a stop ring (8). The other side of the moving rod (7) is fixedly connected to the outer ring surface of the stop ring (8).

3. The drainage pipe connection device for construction of a sewage treatment plant as described in claim 2, characterized in that, The inner wall of the connecting pipe (1) is coated with an anti-corrosion coating, and the surface of the piston rod (18) is fitted with a rubber pad. The anti-corrosion coating is made of epoxy resin.

4. The drainage pipe connection device for construction of a sewage treatment plant as described in claim 1, characterized in that, Connecting brackets (2) are fixedly installed on both sides of the outer surface of the connecting pipe (1). The outer ring surface of the connecting bracket (2) is threadedly connected to a threaded adjusting bolt (3) that passes through the connecting bracket (2). The bottom end of the threaded adjusting bolt (3) is rotatably connected to an arc-shaped clamp (5).

5. A drainage pipe connection device for construction of a sewage treatment plant as described in claim 4, characterized in that, A rubber buffer layer (501) is fixedly installed on the inner ring surface of the arc-shaped clamp (5).

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