Water conservancy project construction drainage equipment with anti-seepage function
By installing limit sleeves and positioning pins at the flanges of the delivery pipes, combined with locking and anti-loosening mechanisms, the problem of leakage at the connection points of drainage equipment pipelines in water conservancy projects has been solved, achieving a more stable and sealed connection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-03-17
AI Technical Summary
Existing water conservancy projects are prone to leakage at the connection points between drainage equipment and pipelines, resulting in inconvenient installation and poor sealing.
A limiting sleeve and a locating pin are installed at the flange of the conveying pipe, along with a locking mechanism and an anti-loosening mechanism. The locating pin on the limiting sleeve and the internal threaded sleeve cooperate to prevent leakage when the conveying pipe is connected to the connecting pipe. The locking pin and the internal threaded sleeve are inserted into the connecting pipe by pressure, and a rubber plug is used to achieve a seal. At the same time, the anti-loosening mechanism prevents the internal threaded sleeve from loosening, thereby enhancing the stability and sealing of the connection.
It effectively prevents leakage when the delivery pipe and the connecting pipe are connected, improves the stability and sealing of the connection, and ensures the seepage prevention function of the drainage equipment.
Smart Images

Figure CN224003336U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of drainage equipment, specifically a drainage equipment for water conservancy engineering construction with seepage prevention function. Background Technology
[0002] Water conservancy projects are engineering facilities used to allocate and control water resources. When building a dam for a water conservancy project, it is necessary to pump out the water from the foundation holes through water supply and drainage equipment.
[0003] A search revealed that in the invention patent application with publication number CN113074105A, a water supply and drainage device for water conservancy engineering construction is disclosed. The device includes a base, an inlet pipe, a drain pipe, a chuck, a rotating mechanism, and a guide box. The right end of the base is welded to the left end of the inlet pipe, the upper end of the base is fixedly connected to the lower end of the guide box, the left end of the drain pipe is embedded and fixedly connected to the right end of the guide box, the lower end of the chuck is riveted to the upper end of the guide box, and the lower end of the rotating mechanism is connected to the upper end of the chuck with a stud.
[0004] Existing drainage equipment used in water conservancy projects, namely drainage pumps, requires connection to pipelines, which are typically installed using flanges and multiple bolts. This installation method is not only cumbersome but also prone to leakage at the connections. Therefore, improvements are needed. Utility Model Content
[0005] The purpose of this utility model is to provide a drainage device for water conservancy construction with seepage prevention function, which solves the problem of easy leakage at the connection between existing drainage devices and pipelines in water conservancy construction.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a drainage device for water conservancy engineering construction with seepage prevention function, comprising a drainage pump and a conveying pipe. The output end of the drainage pump is fixedly connected to a connecting pipe. A rubber plug is fixedly connected to one end of the conveying pipe near the connecting pipe, and the rubber plug is slidably connected to the inside of the opening of the connecting pipe. A limiting sleeve is slidably sleeved on the outside of the conveying pipe, and the limiting sleeve is slidably connected to the outside of the connecting pipe. An internal threaded sleeve is threadedly connected to the outside of the limiting sleeve. A locking mechanism is provided on the limiting sleeve. A fixing seat is fixedly connected to the connecting pipe, and an anti-loosening mechanism is provided on the fixing seat.
[0007] Preferably, a positioning pin is fixedly connected to the inner side of the limiting sleeve. The positioning pin passes through the conveying pipe and is slidably connected to the conveying pipe. The positioning pin is inserted into the connecting pipe. The positioning pin limits the installation position of the conveying pipe.
[0008] Preferably, the locking mechanism includes a locking pin slidably connected to the inside of the side wall of the limiting sleeve, and the locking pin penetrates the limiting sleeve. One end of the locking pin abuts against the internal threaded sleeve, and the other end of the locking pin is inserted into the connecting pipe. A guide frame is fixedly connected to the outside of the limiting sleeve, and the guide frame is slidably connected to the locking pin. A guide rod is fixedly connected to the inside of the locking pin, and the guide rod penetrates the guide frame and is slidably connected to the guide frame. A spring is sleeved on the outside of the guide rod. Through the locking mechanism, in cooperation with the internal threaded sleeve and the limiting sleeve, it has a locking effect on the conveying pipe, thereby preventing leakage when it is connected to the connecting pipe of the drainage pump.
[0009] Preferably, the anti-loosening mechanism includes a pin slidably connected inside the fixed base, the pin penetrating the fixed base, the pin being inserted into the internal threaded sleeve, a beveled block fixedly connected to the pin body, a sliding pin slidably connected to the top of the fixed base, the sliding pin penetrating the fixed base, one end of the sliding pin abutting against the beveled block, and the other end of the sliding pin fixedly connected to a button. The anti-loosening mechanism effectively prevents the internal threaded sleeve from loosening.
[0010] Preferably, a square rod is fixedly connected to the inner wall of the fixing base, and the square rod is slidably connected to the pin. A second spring is provided inside the pin, one end of which is fixedly connected to the square rod, and the other end of which is fixedly connected to the inner surface of the pin. The square rod and the second spring provide elastic support for the pin.
[0011] Preferably, a protective sleeve is fixedly connected to the bottom of the button, and the bottom of the protective sleeve is fixedly connected to the mounting base. The protective sleeve provides protection for the button, and it is made of rubber.
[0012] Preferably, one end of the first spring is fixedly connected to the guide frame, and the other end of the first spring is fixedly connected to the inner surface of the locking pin. By providing the first spring, the elastic force can be applied to the locking pin.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] 1. This utility model sets a limiting sleeve at the flange of the conveying pipe. The limiting sleeve contains positioning pins, the number of which corresponds to the bolt holes on the flange. Then, a locking mechanism and an internal threaded sleeve are set on the limiting sleeve. By screwing the internal threaded sleeve, the locking pin in the locking mechanism can be subjected to radial extrusion force from the connecting pipe, thereby inserting into the connecting pipe. In conjunction with the rubber plug, leakage can be prevented when the conveying pipe is connected to the connecting pipe.
[0015] 2. This utility model provides a fixing seat on the connecting pipe, and an anti-loosening mechanism is provided inside the fixing seat. The pin is inserted laterally into the end of the internal threaded sleeve under the guidance and elastic support of the square rod and spring. This can prevent the internal threaded sleeve from loosening, thereby further ensuring the stability and sealing of the connection between the conveying pipe and the connecting pipe. Attached Figure Description
[0016] Figure 1 This is a three-dimensional view of the overall structure of this utility model;
[0017] Figure 2 For the present utility model Figure 1 A partial structural diagram;
[0018] Figure 3 For the present utility model Figure 1 A front sectional view;
[0019] Figure 4 For the present utility model Figure 3 Enlarged view of the A-section structure;
[0020] Figure 5 For the present utility model Figure 3 Enlarged view of the structure of part B.
[0021] In the diagram: 1. Drain pump; 2. Connecting pipe; 3. Delivery pipe; 4. Rubber plug; 5. Limit sleeve; 6. Positioning pin; 7. Internal threaded sleeve; 8. Locking mechanism; 9. Anti-loosening mechanism; 81. Locking pin; 82. Guide rod; 83. Guide frame; 84. Spring 1; 91. Pin; 92. Square rod; 93. Spring 2; 94. Inclined block; 95. Sliding pin; 96. Button; 97. Protective sleeve; 10. Fixing base. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figure 1-3A drainage device for water conservancy engineering construction with seepage prevention function includes a drainage pump 1 and a delivery pipe 3. A connecting pipe 2 is fixedly connected to the output end of the drainage pump 1. A rubber plug 4 is fixedly connected to one end of the delivery pipe 3 near the connecting pipe 2, and the rubber plug 4 is slidably connected to the inside of the opening of the connecting pipe 2. A limiting sleeve 5 is slidably sleeved on the outside of the delivery pipe 3, and the limiting sleeve 5 is slidably connected to the outside of the connecting pipe 2. An internal threaded sleeve 7 is threadedly connected to the outside of the limiting sleeve 5. A fixing seat 10 is fixedly connected to the connecting pipe 2. A positioning pin 6 is fixedly connected to the inside of the limiting sleeve 5. The positioning pin 6 passes through the delivery pipe 3 and is slidably connected to the delivery pipe 3, and is inserted into the connecting pipe 2. The positioning pin 6 limits the installation position of the delivery pipe 3.
[0024] Please see Figure 3-4 The limiting sleeve 5 is equipped with a locking mechanism 8. Through the locking mechanism 8, it cooperates with the internal threaded sleeve 7 and the limiting sleeve 5 to lock the conveying pipe 3, thereby preventing leakage when it is connected to the connecting pipe 2 of the drainage pump 1. The locking mechanism 8 includes a locking pin 81 slidably connected inside the side wall of the limiting sleeve 5, and the locking pin 81 penetrates the limiting sleeve 5. One end of the locking pin 81 abuts against the internal threaded sleeve 7, and the other end of the locking pin 81 is inserted into the connecting pipe 2. The outer side of the limiting sleeve 5... A guide frame 83 is fixedly connected to the side, and the guide frame 83 is slidably connected to the locking pin 81. A guide rod 82 is fixedly connected inside the locking pin 81. The guide rod 82 passes through the guide frame 83 and is slidably connected to the guide frame 83. A spring 84 is sleeved on the outside of the guide rod 82. One end of the spring 84 is fixedly connected to the guide frame 83, and the other end of the spring 84 is fixedly connected to the inner surface of the locking pin 81. Through the setting of the spring 84, the elastic force can be applied to the locking pin 81.
[0025] Please see Figure 3 , Figure 5The fixed base 10 is equipped with an anti-loosening mechanism 9, which prevents the internal threaded sleeve 7 from loosening. The anti-loosening mechanism 9 includes a pin 91 slidably connected inside the fixed base 10 and penetrating the fixed base 10. The pin 91 is inserted into the internal threaded sleeve 7. A beveled block 94 is fixedly connected to the pin body of the pin 91. A sliding pin 95 is slidably connected to the top of the fixed base 10 and penetrating the fixed base 10. One end of the sliding pin 95 abuts against the beveled block 94, and the other end of the sliding pin 95 is fixedly connected to a button 96. A square rod 92 is fixedly connected to the inner wall of the fixed base 10 and slidably connected to the pin 91. A second spring 93 is provided inside the pin 91. One end of the second spring 93 is fixedly connected to the square rod 92, and the other end of the second spring 93 is fixedly connected to the inner surface of the pin 91. The square rod 92 and spring 93 provide elastic support for the pin 91. A protective sleeve 97 is fixedly connected to the bottom of the button 96, and the bottom of the protective sleeve 97 is fixedly connected to the fixing base 10. The protective sleeve 97 provides protection for the button 96, and the protective sleeve 97 is made of rubber.
[0026] The specific implementation process of this utility model is as follows: In use, firstly, the conveying pipe 3 is connected to the connecting pipe 2 of the drainage pump 1, and the rubber plug 4 on the conveying pipe 3 is also inserted into the connecting pipe 2. Then, the limiting sleeve 5 is put on the outside of the flange of the conveying pipe 3 and positioned by the positioning pin 6. At the same time, the end of the positioning pin 6 is inserted into the flange of the connecting pipe 2. Then, the internal thread sleeve 7 is screwed on, so that the locking pin 81 in the locking mechanism 8 is subjected to the radial extrusion force of the connecting pipe 2, thereby inserting into the connecting pipe 2. Together with the rubber plug 4, it can prevent leakage when the conveying pipe 3 is connected to the connecting pipe 2. In addition, the sliding pin 95 is pushed by the button 96. The sliding pin 95 cooperates with the inclined block 94, so that the pin 91 moves laterally. After the internal thread sleeve 7 is screwed in place, the button 96 can be released. The pin 91 will be reset under the action of the spring 93 and inserted into the end of the internal thread sleeve 7. This can prevent the internal thread sleeve 7 from loosening, thereby further ensuring the stability and sealing of the connection between the conveying pipe 3 and the connecting pipe 2.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A water conservancy construction drainage device with anti-seepage function, comprising a drainage pump (1) and a conveying pipe (3), characterized in that: The output end of the drainage pump (1) is fixedly connected with a connecting pipe (2), one end of the conveying pipe (3) close to the connecting pipe (2) is fixedly connected with a rubber plug (4), and the rubber plug (4) is slidably connected to the inner side of the opening of the connecting pipe (2), the outer side of the conveying pipe (3) is slidably sleeved with a limiting sleeve (5), and the limiting sleeve (5) is slidably connected to the outer side of the connecting pipe (2), the outer side of the limiting sleeve (5) is threadedly connected with an internally threaded sleeve (7), the limiting sleeve (5) is provided with a locking mechanism (8), the connecting pipe (2) is fixedly connected with a fixed seat (10), and the fixed seat (10) is provided with an anti-loosening mechanism (9).
2. The water conservancy construction drainage equipment with anti-seepage function according to claim 1, characterized in that: The inner side of the limiting sleeve (5) is fixedly connected with a positioning pin (6), the positioning pin (6) penetrates the conveying pipe (3) and is slidably connected with the conveying pipe (3), and the positioning pin (6) is inserted into the connecting pipe (2).
3. The water conservancy construction drainage equipment with anti-seepage function according to claim 1, characterized in that: The locking mechanism (8) comprises a locking pin (81) slidably connected to the inner wall of the limiting sleeve (5), and the locking pin (81) penetrates the limiting sleeve (5), one end of the locking pin (81) abuts against the internally threaded sleeve (7), the other end of the locking pin (81) is inserted into the connecting pipe (2), the outer side of the limiting sleeve (5) is fixedly connected with a guide frame (83), the guide frame (83) is slidably connected with the locking pin (81), the inner side of the locking pin (81) is fixedly connected with a guide rod (82), the guide rod (82) penetrates the guide frame (83) and is slidably connected with the guide frame (83), and the outer side of the rod body of the guide rod (82) is sleeved with a spring (84).
4. The water conservancy construction drainage equipment with anti-seepage function according to claim 1, characterized in that: The anti-loosening mechanism (9) comprises a plug (91) slidably connected to the inner wall of the fixed seat (10), and the plug (91) penetrates the fixed seat (10), the plug (91) is inserted into the internally threaded sleeve (7), the plug (91) is fixedly connected with an inclined block (94) on the pin body, the top of the fixed seat (10) is slidably connected with a sliding pin (95), and the sliding pin (95) penetrates the fixed seat (10), one end of the sliding pin (95) abuts against the inclined block (94), and the other end of the sliding pin (95) is fixedly connected with a button (96).
5. The water conservancy construction drainage equipment with anti-seepage function according to claim 4, characterized in that: The inner wall of the fixed seat (10) is fixedly connected with a square rod (92), the square rod (92) is slidably connected with the plug (91), the inner side of the plug (91) is provided with a spring (93), one end of the spring (93) is fixedly connected with the square rod (92), and the other end of the spring (93) is fixedly connected to the inner surface of the plug (91).
6. The water conservancy construction drainage equipment with anti-seepage function according to claim 4, characterized in that: The bottom of the button (96) is fixedly connected with a protective sleeve (97), and the bottom of the protective sleeve (97) is fixedly connected with the fixed seat (10).
7. The water conservancy construction drainage equipment with anti-seepage function according to claim 3, characterized in that: One end of the spring (84) is fixedly connected with the guide frame (83), and the other end of the spring (84) is fixedly connected to the inner surface of the locking pin (81).
Citation Information
Patent Citations
Water supply and drainage equipment for hydraulic engineering construction
CN113074105A