Assembly type inspection well structure
By designing the prefabricated inspection well structure, using the splicable cylindrical splicing body and the sealed drainage pipe structure, the problems of the height fixation and poor sealing of the inspection well are solved, and the effect of highly flexible adjustment and sealing is achieved.
Patent Information
- Application Number
- CN202422266794.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-18
AI Technical Summary
The height of the existing inspection well is fixed and cannot be changed according to demand; and when connected to the drainage pipe, the sealing performance is poor, which can easily lead to water leakage in the pipeline.
A prefabricated inspection well structure is designed, which is spliced by multiple cylindrical inspection well splicing bodies, forming a threaded interface at the top and bottom, and sealed by a raw material belt. The drain pipe and the docking pipe are connected by a flange, bolts and nuts, and a sealing ring to form a sealing cavity to improve sealing.
The flexible adjustment of the height of the inspection well is achieved, and the sealing ability of the inspection well and the drain pipe connection is significantly improved through the design of the sealing ring, avoiding pipe leakage.
Smart Images

Figure CN223003443U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of inspection wells, and specifically refers to an assembled inspection well structure. Background Technique
[0002] Inspection wells are provided for the convenience of maintenance and installation of power supply, water supply, drainage, sewage discharge, communication, cable TV, gas pipes, street lamp lines, etc. of urban underground infrastructure. Generally, they are set at pipe intersections, turning points, where pipe diameters or slopes change, and at certain intervals on straight pipe sections. They are auxiliary structures for facilitating regular inspections.
[0003] At present, common inspection wells are generally made of PE plastic material and are integrally formed. It is not difficult to see that their heights are fixed and cannot be changed according to requirements. Moreover, when the existing inspection wells are connected to drainage pipes, the joints are generally sealed by applying cement, and such sealing performance is not good. Over time, the mud is likely to separate, resulting in pipeline leakage. Content of the Utility Model
[0004] The technical problem to be solved by the utility model is to overcome the above technical difficulties and provide an assembled inspection well structure, which can make the joint between the inspection well and the drainage pipe have better sealing performance during use, and the height of the inspection well can be changed according to requirements.
[0005] To solve the above technical problem, the technical solution provided by the utility model is as follows:
[0006] An assembled inspection well structure, comprising:
[0007] An inspection well, including an inspection well splicing body and an assembly structure; the inspection well splicing body is a cylindrical structure, and there are multiple of them. After each inspection well splicing body is spliced end to end vertically, they are fixed together through the assembly structure to form an inspection well; the bottom of the bottom inspection well splicing body is closed, and a plurality of butt pipes are uniformly arranged along the circumference on the side, and the top of the top inspection well splicing body is covered with a manhole cover;
[0008] A drainage pipe and a splicing structure; the drainage pipe is arranged corresponding to the butt pipe and is hermetically connected to the butt pipe through the splicing structure.
[0009] As an improvement, an external thread interface is formed on the top surface of the inspection well splicing body, and an internal thread interface is formed on the bottom surface. After the two are thread-connected, the connection is sealed with raw material tape. This enables the inspection well splicing bodies to be conveniently spliced together.
[0010] As an improvement, the assembling structure includes bolt and nut one; the top ends of the inspection well splicing bodies at the top and the bottom inspection well splicing bodies respectively form a frame edge outward, through holes for the bolts of the bolt and nut one to pass through are respectively reserved on the two frame edges, and a plurality of bolt and nut ones are uniformly arranged along the circumferences of the frame edges. It can reinforce the composed inspection well after the assembly of each inspection well splicing body.
[0011] As an improvement, the splicing structure includes a flange, bolt and nut two, a docking plate and a sealing ring; the docking ends of the docking pipe and the drain pipe respectively form a flange outward, docking plates are respectively formed on the opposite sides of the two flanges, after the two docking plates are docked, a sealing cavity with a wavy cross-section on one side is formed between them, the sealing ring is adapted to the shape of the sealing cavity and is clamped in the sealing cavity, the sealing cavity is composed of notches with a wavy cross-section on one side respectively arranged on the docking surfaces of the two docking plates, and the two flanges are fixedly connected together by a plurality of bolt and nut twos. It can make the connection between the drain pipe and the docking pipe have better sealing performance.
[0012] The advantages of the present utility model compared with the prior art are as follows:
[0013] 1. When the present model is in use, the docking pipe and the drain pipe are connected through the splicing structure. After the two docking plates of the splicing structure are tightly docked and fitted together, through the design of the sealing ring, it can ensure better sealing at their connection, so as to ensure better sealing at the connection between the inspection well and the drain pipe.
[0014] 2. When the present model is in use, the inspection well is assembled by a plurality of inspection well splicing bodies, so that the height of the inspection well can be changed according to requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a structural schematic diagram of the present utility model.
[0016] Figure 2 is a structural schematic diagram of the manhole cover of the present utility model.
[0017] Figure 3 is a structural schematic diagram of the inspection well splicing body of the present utility model.
[0018] Figure 4 is a partial structural schematic diagram of the present utility model.
[0019] Figure 5 is a structural schematic diagram of the sealing ring of the present utility model.
[0020] As shown in the figure: 1. Inspection well splicing body; 2. Docking pipe; 3. Manhole cover; 4. Drain pipe; 5. External thread interface; 6. Internal thread interface; 7. Bolt and nut one; 8. Frame edge; 9. Positioning ring; 10. Base; 11. Flange; 12. Bolt and nut two; 13. Docking plate; 14. Sealing ring; 15. Notch. Specific implementation mode
[0021] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more. In addition, the term "comprising" and any deformation thereof are intended to cover non-exclusive inclusion.
[0022] The present invention will be further described in detail below with reference to the drawings.
[0023] An assembled inspection well structure, comprising:
[0024] An inspection well, including an inspection well splicing body 1 and an assembly structure; the inspection well splicing body 1 is a cylindrical structure, and there are three of them. An external thread interface 5 is formed on the top surface of the inspection well splicing body 1, and an internal thread interface 6 is formed on the bottom surface. After the two are threadedly connected, the connection is sealed with raw material tape. After each inspection well splicing body 1 is spliced end to end vertically, they are fixed together through the assembly structure to form an inspection well. The assembly structure includes a bolt and nut one 7; the top ends of the top inspection well splicing body 1 and the bottom inspection well splicing body 1 respectively extend outwards to form frame edges 8, and through holes for the bolts of the bolt and nut one 7 to pass through are respectively reserved on the two frame edges 8. Five bolt and nut ones 7 are evenly arranged along the circumferential direction of the frame edge 8;
[0025] The bottom of the bottom inspection well splicing body 1 is closed, and three docking pipes 2 are arranged on the side part along the circumferential direction evenly. The top of the top inspection well splicing body 1 is covered with a manhole cover 3. A positioning ring 9 that is movably sleeved on the inner wall of the top inspection well splicing body 1 is formed on the inner bottom wall of the manhole cover 3. A base 10 is fixed at the bottom of the bottom inspection well splicing body 1;
[0026] Drain pipe 4 and splicing structure; the drain pipe 4 is arranged corresponding to the butt joint pipe 2. The splicing structure includes a flange 11, a second bolt and nut 12, a butt joint plate 13 and a sealing ring 14; flange plates 11 are respectively formed outwardly at the butt joint ends of the butt joint pipe 2 and the drain pipe 4, butt joint plates 13 are respectively formed on the opposite sides of the two flange plates 11, after the two butt joint plates 13 are butted, a sealing cavity with a wavy cross section on one side is formed between them, the sealing ring 14 is adapted to the shape of the sealing cavity and is clamped in the sealing cavity, and the sealing cavity is composed of notches 15 with a wavy cross section on one side respectively arranged on the butting surfaces of the two butt joint plates 13, and the two flange plates 11 are fixedly connected together by five second bolts and nuts 12.
[0027] In the specific implementation of this embodiment: as Figure 1 shown, by selecting different numbers of inspection well splicing bodies 1, inspection wells with different heights can be assembled according to requirements. Moreover, after the drain pipe 4 is butted with the butt joint pipe 2 on the bottom inspection well splicing body 1, the connection part between the two is sealed by the sealing ring 14, so that the sealing at the connection between the inspection well and the drain pipe 4 can be ensured to be good.
[0028] The above describes the present invention and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design similar structural manners and embodiments to this technical solution without creative efforts without departing from the purpose of the present invention creation, they shall fall within the protection scope of the present invention.
Claims
1. An assembled inspection well structure, characterized in that: include: An inspection well comprises an inspection well assembly (1) and an assembly structure; the inspection well assembly (1) is a cylindrical structure, and is provided in plurality, and each inspection well assembly (1) is vertically assembled head to tail and fixed together by the assembly structure, thereby forming an inspection well; the bottom of the bottom inspection well assembly (1) is closed, and the side is provided with a plurality of butt joint pipes (2) evenly arranged along the circumference, and the top of the top inspection well assembly (1) is covered with a well cover (3); A drainage pipe (4) and a splicing structure; the drainage pipe (4) is arranged corresponding to the butt joint pipe (2), and is sealedly connected to the butt joint pipe (2) via the splicing structure.
2. The assembled inspection well structure according to claim 1 is characterized in that: An external threaded interface (5) is formed on the top surface of the inspection well assembly body (1), and an internal threaded interface (6) is formed on the bottom surface, and after the two are threadedly connected, the connection is sealed by raw tape.
3. The assembled inspection well structure according to claim 2 is characterized in that: The assembly structure comprises bolts and nuts (7); the top of the top inspection well assembly body (1) and the top of the bottom inspection well assembly body (1) are respectively formed with frame edges (8) facing outwards, and through holes for the bolts of the bolts and nuts (7) to pass through are respectively reserved on the two frame edges (8), and a plurality of bolts and nuts (7) are evenly arranged along the circumference of the frame edges (8).
4. The assembled inspection well structure according to claim 1 is characterized in that: A positioning ring (9) is formed on the inner bottom wall of the manhole cover (3) and is movably sleeved on the inner wall of the top inspection well assembly (1).
5. The assembled inspection well structure according to claim 1 is characterized in that: A base (10) is fixed to the bottom of the bottom inspection well assembly (1).
6. The assembled inspection well structure according to claim 1 is characterized in that: The splicing structure comprises a flange (11), two bolts and nuts (12), a docking plate (13) and a sealing ring (14); the docking ends of the docking pipe (2) and the drain pipe (4) are respectively formed with flanges (11) facing outwards, and the opposite sides of the two flanges (11) are respectively formed with docking plates (13); after the two docking plates (13) are docked, a sealing cavity with a single-side cross-section being wavy is formed between the two; the sealing ring (14) is adapted to the shape of the sealing cavity and is clamped in the sealing cavity; the sealing cavity is composed of notches (15) with a single-side cross-section being wavy and respectively arranged on the docking surfaces of the two docking plates (13); the two flanges (11) are connected and fixed together by a plurality of bolts and nuts (12).
7. The assembled inspection well structure according to claim 1 is characterized in that: The inspection well splicing bodies (1) are provided in three numbers.