Drainage pipe capable of automatically opening water seepage holes
By designing a filter screen and water guide plate structure, combined with springs and a return water bend pipe, the problems of water backflow and sediment blockage in the drain pipe are solved, enabling automatic opening and closing and improving drainage efficiency.
Patent Information
- Application Number
- CN202520527404.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-03-25
AI Technical Summary
The existing drainage pipes suffer from problems such as backflow, incorrect installation, and silt blockage, which affect the drainage effect.
It adopts a filter screen, S-shaped water guide plate, L-shaped water guide plate and spring structure, combined with a return water bend pipe, to realize the automatic opening and closing of the drain pipe, prevent water backflow, and isolate mud and sand through the filter screen.
It effectively prevents water backflow, prevents blockages caused by incorrect installation, and improves drainage performance.
Smart Images

Figure CN223974687U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of leak-proof technology, and in particular to a drain pipe with an automatically opening seepage hole. Background Technology
[0002] Drainage pipes with automatically opening seepage holes typically refer to a pipeline system designed with a unique seepage mechanism that can automatically open seepage holes when needed to achieve efficient drainage. Such drainage pipes have broad application prospects in fields such as building engineering, water conservancy engineering, and landscaping.
[0003] For example, Chinese Patent Publication No. CN202420604885.5 describes a drainage pipe with automatically opening seepage holes. This patent describes a drainage pipe manufactured using a rubber-plastic extrusion winding process. The main seepage pipe of this drainage pipe consists of grooved pipe segments, I-beam pipe segments, and spiral ribs. The grooved and I-beam pipe segments are extruded by an extrusion die, while the spiral ribs are extruded by a rotary die and wound around the outside of the grooved and I-beam pipe segments. The gaps between the grooved and I-beam pipe segments are seepage seams, and there are two seepage seams. The function of the spiral ribs is to thermally fuse the grooved and I-beam pipe segments together to form a main seepage pipe with seepage seams. However, this device may cause water to flow back into the drainage pipe during drainage, thus affecting the drainage effect. Furthermore, the device has a fixed water-facing side, which may lead to incorrect installation. Also, the seepage seams cannot effectively isolate sediment carried in the water, potentially causing blockages and further worsening the drainage effect. Utility Model Content
[0004] To address the issues of water backflow in drainage pipes, installation errors on the water-facing side, and ineffective isolation of sediment, this application provides a drainage pipe with automatically opening seepage holes.
[0005] The drainage pipe with automatically opening seepage holes provided in this application adopts the following technical solution:
[0006] A drain pipe with an automatically opening seepage hole includes a drain pipe body. A filter screen for filtering sediment is provided on the outside of the pipe body. Several S-shaped water guide plates, fixed to the outer ring surface of the filter screen and connected to the outer ring surface of the pipe body, are fixed on the inner ring surface of the filter screen. Several L-shaped water guide plates with the same structure and opposite to the S-shaped water guide plates are provided inside the side wall of the pipe body. Several arrayed drain pipes are fixed at the lower end of the L-shaped water guide plates. A connector is fixed on the side of each drain pipe away from the L-shaped water guide plates. A fixing plate is fixed in the middle of the inner cavity of each connector on the side away from the drain pipe. A spring is fixed in the middle of each fixing plate. A sealing plate, inserted into and sealed to the inner cavity of the drain pipe, is fixed at the end of each spring away from the fixing plate.
[0007] By adopting the above technical solution, the S-shaped water guide plate and the L-shaped water guide plate work together to effectively guide water. The S-shaped water guide plate can also support the filter screen to prevent it from deforming severely when squeezed, which would lead to a decrease in the filtration effect. The L-shaped water guide plate can accumulate water, so that the accumulated water reaches the weight of the sealing plate to squeeze the spring and open the drain pipe, thereby realizing the automatic opening and closing of the drain pipe and preventing the backflow of water.
[0008] Preferably, a water return bend is fixed at the lower end of several of the joints to prevent water backflow.
[0009] By adopting the above technical solution, the return water bend pipe can effectively prevent water backflow.
[0010] Preferably, a water storage tank for storing water is provided between the inner annular surface of the filter screen and the outer annular surface of the tube, and the inner cavity of the water storage tank is connected to a channel formed by several triangular plates.
[0011] By adopting the above technical solution, the inner cavity of the water storage tank is connected to the channel formed by several triangular plates, which allows the water in the water storage tank to flow into the L-shaped water guide plate through the channel formed by the triangular plates.
[0012] Preferably, a smooth layer is fixed on the outer ring surface of the pipe, and a number of trapezoidal grooves with the same structure and corresponding to the S-shaped water guide plate are formed on the smooth layer.
[0013] By adopting the above technical solution, the trapezoidal groove can guide water on the smooth layer into the L-shaped water guide plate.
[0014] Preferably, several triangular plates with the same structure and fixedly connected to the S-shaped water guide plate are fixed on the inclined surfaces on both sides of the trapezoidal groove.
[0015] By adopting the above technical solution, the S-shaped water guide plate and the triangular plate are fixed together, so that several triangular plates can support the S-shaped water guide plate.
[0016] Preferably, an upper water guide groove is provided between every two of the S-shaped water guide plates, and the inner cavity of the upper water guide groove is connected to the inner cavity of the L-shaped water guide plate.
[0017] By adopting the above technical solution, the inner cavity of the upper water guide channel is connected to the inner cavity of the L-shaped water guide plate, which can effectively and accurately guide the water in the inner cavity of the upper water guide channel into the L-shaped water guide plate for storage.
[0018] Preferably, the side wall of the pipe body is provided with a plurality of lower water guide grooves with the same structure and fixedly connected to the L-shaped water guide plate, and the plurality of lower water guide grooves correspond to the upper water guide grooves.
[0019] By adopting the above technical solution, the lower water guide channel and the upper water guide channel correspond to each other, which can effectively guide the water in the upper water guide channel to the lower water guide channel.
[0020] Preferably, a waterproof layer is fixed on the inner circumferential surface of the pipe to prevent water from seeping back.
[0021] By employing the above-mentioned technical solution, the waterproof layer can effectively prevent water inside the pipe from undergoing reverse osmosis.
[0022] In summary, this application includes at least one of the following beneficial technical effects:
[0023] 1. By utilizing the difference in diameter between the drain pipe and the connector, the sealing plate and the spring work together to close and open the drain pipe. At the same time, the water volume stored in the drain pipe and the L-shaped water guide plate compresses the spring, thereby automatically opening and closing the sealing plate on the inner cavity of the drain pipe and the connector.
[0024] 2. The filter screen isolates the mud and sand, and the triangular plate and trapezoidal groove work together to prevent clogging.
[0025] 3. By using S-shaped and L-shaped water guide plates, as well as drain pipes, joints, and return water bends to surround the pipe body, any side of the pipe body can be used as the water-facing side, and the return water bends can effectively prevent water from flowing back into the drain pipe body. Attached Figure Description
[0026] Figure 1 This is a frontal view of the entire application;
[0027] Figure 2 This is an enlarged schematic diagram of section A of the pipeline in this application;
[0028] Figure 3 This is an enlarged view of the positions of the S-type and L-type water guide vanes in this application;
[0029] Figure 4 This is a cross-sectional view of the internal structure of the pipeline in this application;
[0030] Figure 5 This is a schematic diagram of the automatically opening drainage hole structure of this application.
[0031] Attached reference numerals: 1. Filter screen; 2. Pipe body; 3. Water storage tank; 4. S-shaped water guide plate; 5. Triangular plate; 6. Trapezoidal groove; 7. L-shaped water guide plate; 8. Lower water guide groove; 9. Drain pipe;
[0032] 10. Sealing plate; 11. Spring; 12. Fixing plate; 13. Connector; 14. Return water trap; 15. Upper water guide groove; 16. Smooth layer; 17. Waterproof layer. Detailed Implementation
[0033] The following is in conjunction with the appendix Figures 1-5 This application will be described in further detail.
[0034] This application discloses a drainage pipe that can automatically open seepage holes.
[0035] Reference Figures 1-4 A drain pipe with automatically opening seepage holes includes a pipe body 2, a filter screen 1 for filtering mud and sand is provided on the outside of the pipe body 2, and a number of S-shaped water guide plates 4 are fixedly arranged on the inner ring surface of the filter screen 1. The number of S-shaped water guide plates 4 have the same structure and installation method, and the number of S-shaped water guide plates 4 are arranged in an array with intervals between each other. Each pair of S-shaped water guide plates 4 forms a group, and a certain distance is left between each group of S-shaped water guide plates 4 to form an upper water guide groove 15.
[0036] Reference Figures 1-4 A smooth layer 16 is provided between the tube body 2 and the filter screen 1, and the inner ring surface of the smooth layer 16 is fixedly connected to the outer ring surface of the tube body 2. Several trapezoidal grooves 6 with the same structure are opened on the smooth layer 16, and the trapezoidal grooves 6 are arranged symmetrically and at intervals. The upper opening diameter of the trapezoidal grooves 6 is larger than the lower opening diameter, and they are all designed with a 30-degree angle. The position of the trapezoidal grooves 6 corresponds to the position of the S-shaped water guide plate 4, and the lower opening diameter of the upper water guide groove 15 formed by the S-shaped water guide plate 4 is consistent with the lower opening diameter of the trapezoidal groove 6, so that the water on the inner wall of the S-shaped water guide plate 4 can flow into the trapezoidal groove 6.
[0037] Reference Figures 1-4 Several symmetrical and identical triangular plates 5 are fixedly installed on the inclined surfaces on both sides of the trapezoidal groove 6. The triangular plates 5 are spaced apart from each other, and the upper part of each triangular plate 5 is fixedly connected to the lower surface of the S-shaped water guide plate 4. The upper part of the S-shaped water guide plate 4 is fixedly connected to the inner ring surface of the filter screen 1, and the lower part is fixedly connected to the trapezoidal groove 6. Thus, a certain distance is left between the filter screen 1 and the smooth layer 16, thereby forming a water storage tank 3 between the filter screen 1 and the pipe body 2 to store water after filtering the mud and sand. The inner cavity of the water storage tank 3 is connected to the channel formed between the triangular plates 5, so that the water inside the water storage tank 3 can flow into the trapezoidal groove 6 under the action of gravity.
[0038] Reference Figures 1-4 Several lower water guide grooves 8 with the same structure are provided on the side wall of the pipe body 2, and the lower water guide grooves 8 are arranged in a circle with intervals between them. Several L-shaped water guide plates 7 with the same structure and installation method are fixedly installed in the inner cavity of the lower water guide grooves 8. The upper opening diameter of the L-shaped water guide plates 7 is the same as the lower opening diameter of the upper water guide groove 15. The positions of the L-shaped water guide plates 7 and the S-shaped water guide plates 4 correspond to each other, so that the inner cavity of the upper water guide groove 15 and the inner cavity of the L-shaped water guide plates 7 are interconnected.
[0039] It should be noted that the quantities of S-shaped water guide plate 4, L-shaped water guide plate 7, triangular plate 5, and trapezoidal groove 6 can be set according to actual needs.
[0040] The filter screen 1 can filter water containing mud and sand, thereby preventing water flowing into the water storage tank 3 from clogging the pipe body 2, L-shaped water guide plate 7, drain pipe 9, connector 13, and return water bend pipe 14. The S-shaped water guide plate 4 can not only guide the water attached to the filter screen 1 to flow into the L-shaped water guide plate 7, but also effectively support the filter screen 1. The water flowing into the water storage tank 3 can flow into the L-shaped water guide plate 7 through the inclined surface on the trapezoidal groove 6. Several triangular plates 5 divide the trapezoidal groove 6 into small channels, which can play a certain role in preventing clogging and allowing water to flow into the L-shaped water guide plate 7 better.
[0041] Reference Figures 1-5 Several drain pipes 9 are fixedly installed at the lower ends of several L-shaped water guide plates 7. The drain pipes 9 have the same structure and installation method and are arranged in an array with intervals between each other. The outer ring surface of the drain pipes 9 away from the L-shaped water guide plates 7 is fixedly connected to the inner ring surface of the connector 13. A fixing plate 12 is fixedly installed in the middle of the inner cavity of the connector 13 away from the drain pipes 9. The outer diameter of the fixing plate 12 is smaller than the inner diameter of the connector 13. The middle of the surface of the fixing plate 12 is fixedly connected to one end of the spring 11. The end of the spring 11 away from the fixing plate 12 is fixedly connected to the middle of the surface of the sealing plate 10. The outer diameter of the sealing plate 10 is the same as the inner diameter of the drain pipe 9, so that the sealing plate 10 can be inserted and sealed with the drain pipe 9.
[0042] Reference Figures 1-5 Several return water traps 14 with the same structure and installation method are fixedly installed at the ends of several joints 13 away from the drain pipe 9. The return water traps 14 are used to prevent water entering the inner cavity of the pipe body 2 from flowing back. The inner ring surface of the pipe body 2 is fixedly connected to the outer ring surface of the waterproof layer 17. The waterproof layer 17 is used to prevent water in the pipe body 2 from seeping out and affecting drainage. The drain pipe 9 is fixedly inserted through the waterproof layer 17 and then communicates with the inner cavity of the L-shaped water guide 7. A horizontal groove is opened at the bottom of the inner cavity of the L-shaped water guide 7. The width of the horizontal groove is the same as the outer diameter of the drain pipe 9, so that water can enter the drain pipe 9 better.
[0043] It should be noted that the spring 11 needs to be selected with an appropriate compression ratio according to the actual situation, so that when the water pipe 9 is full of water, the sealing plate 10 is squeezed downward under the action of gravity and the spring 11 is pushed into the connector 13 together, thereby opening the channel and allowing water to flow through. Alternatively, the spring 11 will be squeezed and the channel will be opened when the water pipe 9 and the L-shaped water guide plate 7 contain a certain amount of water. The filter screen 1 and the pipe body 2 are existing technologies, and their structural principles will not be elaborated here. The filter screen 1 can be a combination of a mud and sand filter screen and a PP material filter screen to increase service life and durability.
[0044] When the spring 11 is subjected to a certain pressure, the sealing plate 10 inside the drain pipe 9 will move downward under the action of gravity. When the sealing plate 10 moves into the connector 13, the inner cavity of the drain pipe 9 is connected to the inner cavity of the connector 13 and the return water trap pipe 14, so that water can flow through and then flow into the inner cavity of the pipe body 2 for discharge. Under normal conditions, the sealing plate 10 is inserted into the drain pipe 9 to seal the drain pipe 9. Even if the water in the return water trap pipe 14 flows back under the influence of the sealing plate 10, it will not break through the sealing plate 10 and flow back into the L-shaped water guide plate 7.
[0045] The implementation principle of a drain pipe with automatically opening seepage holes in this application embodiment is as follows: When water comes into contact with the filter screen 1, the filter screen 1 filters the water containing mud and sand. Then, the water flows along the side wall of the S-shaped water guide plate 4 into the L-shaped water guide plate 7 or directly into the L-shaped water guide plate 7 through the upper water guide groove 15. Water that does not come into contact with the S-shaped water guide plate 4 or the water storage tank 3 will flow into the inner cavity of the water storage tank 3 and enter the L-shaped water guide plate 7 through the trapezoidal groove 6 provided on the smooth layer 16. The water flowing into the L-shaped water guide plate 7 continues to flow downward under the action of gravity and then flows into the drain pipe 9. When the water in the L-shaped water guide plate 7 and the drain pipe 9 reaches a certain weight and exceeds the preset value of the spring 11, the water flow will push the sealing plate 10, thereby compressing the spring 11 and causing the sealing plate 10 to enter the connector 13. At this time, the channel between the drain pipe 9 and the connector 13 is opened, and the water flows in and flows into the pipe body 2 through the return water bend pipe 14 for unified discharge. When there is no water deposited in the L-shaped water guide plate 7 and the drain pipe 9, or the deposited water is less than the preset value of the spring 11, the spring 11 pushes the sealing plate 10 back into the drain pipe 9 to seal it, thus blocking the seepage hole of the pipe body 2, which is the drain pipe 9.
[0046] The above are merely optional embodiments of this disclosure and are not intended to limit this disclosure. Various modifications and variations can be made to this disclosure by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the scope of protection of this disclosure.
Claims
1. A drain pipe which can automatically open a water infiltration hole, characterized by: The utility model provides a sewage pipe body (2) is outside equipped with the filter screen (1) of filtering silt, the filter screen (1) inner ring surface is fixedly equipped with a plurality of S type water guide piece (4) with the pipe body (2) outer ring surface fixed connection, the pipe body (2) side wall is equipped with a plurality of L type water guide piece (7) same structure and opposite S type water guide piece (4), the L type water guide piece (7) lower end is fixedly equipped with a plurality of array arrangement sewer pipe (9), a plurality of sewer pipe (9) are away from L type water guide piece (7) one side and are fixedly equipped with the connector (13), a plurality of connector (13) are away from sewer pipe (9) one side inner chamber middle part and are fixedly equipped with the fixed plate (12), a plurality of fixed plate (12) middle parts are fixedly equipped with spring (11), a plurality of spring (11) are away from fixed plate (12) one end and are fixedly equipped with the sealing plate (10) with sewer pipe (9) inner chamber plug-in sealing arrangement.
2. The drain pipe capable of automatically opening a water infiltration hole according to claim 1, characterized in that: A plurality of connector (13) lower end is fixedly equipped with the backwater bend pipe (14) of preventing water backflow.
3. The drain pipe capable of automatically opening a water infiltration hole according to claim 1, characterized in that: The filter screen (1) inner ring surface and pipe body (2) outer ring surface between water storage groove (3) are equipped with the water storage groove (3) inner chamber and the passageway formed by a plurality of triangular plate (5) are communicated.
4. The self-opening drain of claim 1, wherein: The pipe body (2) outer ring surface is fixedly equipped with smooth layer (16), and the smooth layer (16) is provided with a plurality of trapezoidal grooves (6) same structure and corresponding with S type water guide piece (4).
5. The self-opening, weep hole drain of claim 4, wherein: The trapezoidal groove (6) both sides inclined plane is fixedly equipped with a plurality of triangular plate (5) same structure and S type water guide piece (4) fixed connection.
6. The self-opening, water-permeable hole drain pipe according to claim 1, wherein: A plurality of S type water guide piece (4) wherein every two between the upper water guide groove (15) is equipped with, and the upper water guide groove (15) inner chamber is communicated with L type water guide piece (7) inner chamber.
7. The self-opening drain of claim 1, wherein: The pipe body (2) side wall is provided with a plurality of lower water guide grooves (8) same structure and L type water guide piece (7) fixed connection, and a plurality of lower water guide grooves (8) and upper water guide groove (15) correspond to each other.
8. The self-opening drain of claim 1, wherein: The pipe body (2) inner ring surface is fixedly equipped with waterproof layer (17) of preventing water backseep.
Citation Information
Patent Citations
Drainage pipe capable of automatically opening water seepage holes
CN221957638U