Anti-seepage drain pipe backstop

Abstract

The utility model provides an anti-seepage drain pipe backstop, which relates to the technical field of irrigation area transformation and comprises a cavity, a flowing cavity is arranged in the cavity, connecting mechanisms are arranged on two sides of the cavity, drain pipe bodies are arranged on the inner sides of the connecting mechanisms, a movable block is arranged in the cavity, and the movable block is connected with the flowing cavity. A moving mechanism is arranged at the top end of the movable block, an adjusting mechanism is arranged at the top end of the cavity, the fixed cavity is installed at the top end of the cavity, a rotating wheel is installed at the top end of the fixed cavity, a threaded rod is installed in the fixed cavity, and one end of the rotating wheel is connected with one end of the threaded rod. According to the backstop, the adjusting mechanism is arranged at the top end of the cavity, and the movable block can be adjusted through mutual cooperation of the fixed cavity, the rotating wheel, the threaded rod, the threaded sleeve, the movable cavity, the limiting groove and the limiting block of the adjusting mechanism, so that the effect of the movable block in use is better, and the practicability of the backstop in use is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of irrigation area transformation, in particular to a check valve for anti-seepage drainage pipes. Background Art

[0002] An irrigation area refers to an irrigation area with reliable water sources and water diversion, transportation, and distribution channel systems and corresponding drainage channels. It is the product of human economic activities and develops with the development of social economy. Drainage pipes are required for irrigation. A check valve for a drainage pipe is a kind of valve, also known as a check valve or a non-return valve. Its main function is to block the reverse flow of the medium. This kind of valve automatically opens and closes depending on the pressure difference between the fluid before and after the valve to prevent the medium from flowing back in the pipeline;

[0003] For example, the patent with publication number CN202187361U discloses a "check valve for anti-seepage drainage pipes on the canal slope" and specifically discloses that: a support cover is installed on the outer periphery of the front end of the water inlet pipe, a water outlet hole is opened on the end face of the support cover, a check soft cap is installed on the outer periphery of the support cover, a water outlet is opened on the check soft cap, and the water outlet is located around the cylindrical side arm of the support cover. However, in the above technology, during use, it is inconvenient to adjust the check soft cap, making it inconvenient to adjust the check valve during use, thus reducing the practicality of the check valve during use. Therefore, the utility model proposes a check valve for anti-seepage drainage pipes to solve the above problems. Summary of the Utility Model

[0004] In view of the above problems, the utility model proposes a check valve for anti-seepage drainage pipes to solve the problem that in the above technology, it is inconvenient to adjust the check soft cap, making it inconvenient to adjust the check valve during use, thus reducing the practicality of the check valve during use.

[0005] To achieve the purpose of the utility model, the utility model is realized through the following technical solutions: A check valve for anti-seepage drainage pipes includes a cavity. A flow cavity is opened inside the cavity. Connecting mechanisms are arranged on both sides of the cavity. A drainage pipe body is arranged inside the connecting mechanisms. A movable block is arranged inside the cavity. A moving mechanism is arranged at the top end of the movable block. An adjusting mechanism is arranged at the top end of the cavity;

[0006] The adjusting mechanism includes a fixed cavity, a rotating wheel, a threaded rod, a threaded sleeve, a movable cavity, and a limiting structure. The fixed cavity is installed at the top end of the cavity. A rotating wheel is installed at the top end of the fixed cavity. A threaded rod is installed inside the fixed cavity. One end of the rotating wheel is connected to one end of the threaded rod. A threaded sleeve is arranged on the outer side wall of the threaded rod. A movable cavity is fixedly installed on the outer side wall of the threaded sleeve. The bottom end of the movable cavity extends into the cavity.

[0007] A further improvement lies in that: the limiting structure includes a limiting groove and a limiting block. The limiting grooves are provided on both sides inside the fixed cavity. A limiting block is arranged inside the limiting groove, and one end of the limiting block is connected to the outside of the movable cavity.

[0008] A further improvement lies in that: the cross-section of the limiting groove is larger than that of the limiting block, and a sliding structure is formed between the limiting groove and the limiting block.

[0009] A further improvement lies in that: the moving mechanism includes an installation cavity, a telescopic spring, a movable rod and a guiding structure. The installation cavity is installed inside the cavity body. The bottom end of the movable cavity is connected to the top end of the installation cavity. A telescopic spring is installed at the top end inside the installation cavity, and the bottom end of the telescopic spring is installed with a movable rod. The bottom end of the movable rod extends outside the installation cavity, and the bottom end of the movable rod is connected to the top end of the movable block.

[0010] A further improvement lies in that: the guiding structure includes a limiting rod and a limiting sleeve. The limiting rods are installed on both sides inside the installation cavity, and a limiting sleeve is arranged on the outer side wall of the limiting rod. One end of the limiting sleeve is connected to one end of the movable rod.

[0011] A further improvement lies in that: the connecting mechanism includes a mounting seat, a sealing gasket, a limiting plate and a rotating sleeve. The mounting seats are installed on both sides of the cavity body. A sealing gasket is installed inside the mounting seat. A limiting plate is arranged on the outer side wall of the drain pipe body. A rotating sleeve is arranged on the outer side walls of the mounting seat and the limiting plate. External threads are provided on the outer wall of the mounting seat, and internal threads are provided on the inner wall of the rotating sleeve. A threaded connection is formed between the mounting seat and the rotating sleeve.

[0012] The beneficial effects of the present utility model are as follows: by providing an adjusting mechanism at the top end of the cavity body, through the mutual cooperation among the fixed cavity, the rotating wheel, the threaded rod, the threaded sleeve, the movable cavity, the limiting groove and the limiting block of the adjusting mechanism, the movable block can be adjusted, so that the effect of the movable block during use is better, thereby greatly improving the practicability of the check valve during use; by providing a moving mechanism inside the cavity body, through the mutual cooperation among the installation cavity, the telescopic spring, the movable rod, the limiting rod and the limiting sleeve of the moving mechanism, the movable block can be driven to move upward by the impact of water flow, and the movable block closes the flow cavity when the water flow stops flowing, achieving the check effect, so that the drain pipe has a better effect during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is a schematic diagram of the overall structure of the adjusting mechanism of the present utility model;

[0015] Figure 3For the present utility model Figure 2 Schematic diagram of the partial enlarged structure at position A in

[0016] Figure 4 For the present utility model Figure 2 Schematic diagram of the partial enlarged structure at position B in

[0017] Wherein: 1, cavity; 2, flow cavity; 3, drain pipe body; 4, mounting seat; 5, gasket; 6, limiting plate; 7, rotating sleeve; 8, movable block; 9, mounting cavity; 10, telescopic spring; 11, movable rod; 12, limiting rod; 13, limiting sleeve; 14, fixed cavity; 15, runner; 16, threaded rod; 17, threaded sleeve; 18, movable cavity; 19, limiting groove; 20, limiting block. Specific embodiments

[0018] To deepen the understanding of the present utility model, the following will further elaborate on the present utility model in conjunction with embodiments. These embodiments are only used to explain the present utility model and do not constitute a limitation to the protection scope of the present utility model.

[0019] According to Figure 1 , 2 As shown in 3 and 4, this embodiment proposes an anti-seepage drain pipe check valve, including a cavity 1. A flow cavity 2 is opened inside the cavity 1. Connecting mechanisms are arranged on both sides of the cavity 1. A drain pipe body 3 is arranged inside the connecting mechanisms. A movable block 8 is arranged inside the cavity 1. A moving mechanism is arranged at the top end of the movable block 8. An adjusting mechanism is arranged at the top end of the cavity 1.

[0020] The adjusting mechanism includes a fixed cavity 14, a runner 15, a threaded rod 16, a threaded sleeve 17, a movable cavity 18 and a limiting structure. The fixed cavity 14 is installed at the top end of the cavity 1. A runner 15 is installed at the top end of the fixed cavity 14. A threaded rod 16 is installed inside the fixed cavity 14. One end of the runner 15 is connected to one end of the threaded rod 16. A threaded sleeve 17 is arranged on the outer side wall of the threaded rod 16. A movable cavity 18 is fixedly installed on the outer side wall of the threaded sleeve 17. The bottom end of the movable cavity 18 extends into the cavity 1. When the elasticity of the telescopic spring 10 weakens after long-term use and the position of the movable block 8 needs to be adjusted, rotate the runner 15 to drive the threaded rod 16 to rotate, so as to drive the threaded sleeve 17 to move. Then, under the limitation of the limiting groove 19 and the limiting block 20, use the threaded sleeve 17 to drive the movable cavity 18 to move, and then drive the movable block 8 to move downward, so that the effect of the movable block 8 during use is better, thereby greatly improving the practicability of the check valve during use.

[0021] The limiting structure includes a limiting groove 19 and a limiting block 20. The limiting groove 19 is opened on both sides inside the fixed cavity 14. A limiting block 20 is arranged inside the limiting groove 19. One end of the limiting block 20 is connected to the outside of the movable cavity 18. The cross-section of the limiting groove 19 is larger than that of the limiting block 20. A sliding structure is formed between the limiting groove 19 and the limiting block 20. During use, by the mutual cooperation between the limiting groove 19 and the limiting block 20, the movement of the movable cavity 18 can be limited, making the movable cavity 18 more stable during movement.

[0022] The moving mechanism includes an installation cavity 9, a telescopic spring 10, a movable rod 11 and a guiding structure. The installation cavity 9 is installed inside the cavity 1. The bottom end of the movable cavity 18 is connected to the top end of the installation cavity 9. A telescopic spring 10 is installed at the top end inside the installation cavity 9. The bottom end of the telescopic spring 10 is installed with a movable rod 11. The bottom end of the movable rod 11 extends to the outside of the installation cavity 9. The bottom end of the movable rod 11 is connected to the top end of the movable block 8. During use, water flow impacts the movable block 8, causing the telescopic spring 10 to be subjected to an elastic force. Under the limitation of the limiting rod 12 and the limiting sleeve 13, the movable rod 11 drives the movable block 8 to move upward, opening the flow cavity 2, and irrigation is carried out using the drain pipe body 3. When the water flow stops, the movable block 8 moves downward due to the elastic force of the telescopic spring 10, closing the flow cavity 2 to achieve a check valve function, making the drain pipe perform better during use.

[0023] The guiding structure includes a limiting rod 12 and a limiting sleeve 13. The limiting rod 12 is installed on both sides inside the installation cavity 9. A limiting sleeve 13 is arranged on the outer side wall of the limiting rod 12. One end of the limiting sleeve 13 is connected to one end of the movable rod 11. During use, by the mutual cooperation between the limiting rod 12 and the limiting sleeve 13, the movement of the movable rod 11 can be limited, making the movable block 8 more stable during movement.

[0024] The connecting mechanism includes a mounting base 4, a sealing gasket 5, a limiting plate 6 and a rotating sleeve 7. The mounting base 4 is installed on both sides of the cavity 1. The sealing gasket 5 is installed inside the mounting base 4. The outer side wall of the drain pipe body 3 is provided with the limiting plate 6. The rotating sleeve 7 is arranged between the outer side walls of the mounting base 4 and the limiting plate 6. The outer wall of the mounting base 4 is provided with an external thread, and the inner wall of the rotating sleeve 7 is provided with an internal thread. A threaded connection is formed between the mounting base 4 and the rotating sleeve 7. During use, the two drain pipe bodies 3 are respectively placed inside the mounting base 4, and then the rotating sleeve 7 is rotated. Since there is a threaded connection between the mounting base 4 and the rotating sleeve 7, with the cooperation of the limiting plate 6, the drain pipe body 3 is driven to move towards the inside of the mounting base 4, so that the cavity 1 is connected to the drain pipe body 3. The use of the sealing gasket 5 can seal between the cavity 1 and the drain pipe body 3, making the connection between the cavity 1 and the drain pipe body 3 not easily leak, and can conveniently connect the cavity 1 and the drain pipe body 3, thus greatly improving the convenience of the check valve during use.

[0025] Working principle: First, the staff respectively place the two drain pipe bodies 3 inside the mounting base 4, and then rotate the rotating sleeve 7. Since there is a threaded connection between the mounting base 4 and the rotating sleeve 7, with the cooperation of the limiting plate 6, the drain pipe body 3 is driven to move towards the inside of the mounting base 4, so that the cavity 1 is connected to the drain pipe body 3. The use of the sealing gasket 5 can seal between the cavity 1 and the drain pipe body 3, making the connection between the cavity 1 and the drain pipe body 3 not easily leak. At this time, the water flow impacts the movable block 8, so that the telescopic spring 10 is subjected to the action of elastic force. Under the limitation of the limiting rod 12 and the limiting sleeve 13, the movable rod 11 is used to drive the movable block 8 to move upward, opening the flow cavity 2, and irrigation treatment is carried out using the drain pipe body 3. When the elastic force of the telescopic spring 10 weakens after long-term use and the position of the movable block 8 needs to be adjusted, rotate the rotating wheel 15 to drive the threaded rod 16 to rotate, so as to drive the threaded sleeve 17 to move. Furthermore, under the limitation of the limiting groove 19 and the limiting block 20, the threaded sleeve 17 is used to drive the movable cavity 18 to move, and then drive the movable block 8 to move downward, making the effect of the movable block 8 better during use. When the water flow stops, the movable block 8 moves downward due to the elastic force of the telescopic spring 10, closing the flow cavity 2 to achieve the check function.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-seepage drainage pipe check valve, comprising a cavity (1), characterized in that: A flow cavity (2) is provided inside the cavity (1), connecting mechanisms are provided on both sides of the cavity (1), a drainage pipe body (3) is provided inside the connecting mechanism, a movable block (8) is provided inside the cavity (1), a moving mechanism is provided at the top of the movable block (8), and an adjusting mechanism is provided at the top of the cavity (1); The adjustment mechanism comprises a fixed cavity (14), a rotating wheel (15), a threaded rod (16), a threaded sleeve (17), a movable cavity (18) and a limiting structure, wherein the fixed cavity (14) is mounted on the top of the cavity body (1), the rotating wheel (15) is mounted on the top of the fixed cavity (14), the threaded rod (16) is mounted inside the fixed cavity (14), one end of the rotating wheel (15) is connected to one end of the threaded rod (16), the outer wall of the threaded rod (16) is provided with a threaded sleeve (17), the outer wall of the threaded sleeve (17) is fixedly mounted with the movable cavity (18), and the bottom end of the movable cavity (18) extends to the inside of the cavity body (1); The limiting structure comprises a limiting groove (19) and a limiting block (20), wherein the limiting groove (19) is provided on both sides of the interior of the fixed cavity (14), the limiting block (20) is arranged inside the limiting groove (19), and one end of the limiting block (20) is connected to the outer side of the movable cavity (18); The moving mechanism comprises an installation cavity (9), a telescopic spring (10), a movable rod (11) and a guide structure; the installation cavity (9) is installed inside the cavity body (1); the bottom end of the movable cavity (18) is connected to the top end of the installation cavity (9); the top end of the installation cavity (9) is installed with a telescopic spring (10); the bottom end of the telescopic spring (10) is installed with a movable rod (11); the bottom end of the movable rod (11) extends to the outside of the installation cavity (9); and the bottom end of the movable rod (11) is connected to the top end of the movable block (8).

2. The anti-seepage drainage pipe backstop according to claim 1, characterized in that: The cross section of the limiting groove (19) is larger than the cross section of the limiting block (20), and a sliding structure is formed between the limiting groove (19) and the limiting block (20).

3. The anti-seepage drainage pipe backstop according to claim 1, characterized in that: The guide structure comprises a limiting rod (12) and a limiting sleeve (13); the limiting rod (12) is installed on both sides of the installation cavity (9); the outer side wall of the limiting rod (12) is provided with a limiting sleeve (13); one end of the limiting sleeve (13) is connected to one end of the movable rod (11).

4. The anti-seepage drainage pipe backstop according to claim 1, characterized in that: The connection mechanism comprises a mounting seat (4), a sealing gasket (5), a limiting plate (6) and a rotating sleeve (7); the mounting seat (4) is mounted on both sides of the cavity (1); a sealing gasket (5) is installed inside the mounting seat (4); the outer wall of the drainage pipe body (3) is provided with a limiting plate (6); the outer walls of the mounting seat (4) and the limiting plate (6) are provided with a rotating sleeve (7); the outer wall of the mounting seat (4) is provided with an external thread; the inner wall of the rotating sleeve (7) is provided with an internal thread; and a threaded connection is formed between the mounting seat (4) and the rotating sleeve (7).

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