Anti-falling structure of municipal drainage well
By combining the base, fixed plate, sliding rod, movable plate and drainage plate, the problem of strangulation and secondary injury caused by existing fall protection structures is solved, and the functions of safety fall protection and drainage are taken into account.
Patent Information
- Application Number
- CN202520236886.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Existing fall protection structures in municipal drainage wells can easily cause strangulation or secondary injuries when people fall in, and they cannot effectively secure the fall protection components.
The system employs a combination design of components such as a base, a fixed plate, a sliding rod, a movable plate, and a leakage plate. It is connected to the well wall by fixing bolts, the sliding rod is slidably connected to the sliding hole, the spring returns to its original position, the limit plate is fixed, and the leakage plate provides a standing environment to ensure personnel safety.
The fall protection components are securely installed, preventing injury to personnel when they fall into the drainage well and ensuring that the drainage function is not affected.
Smart Images

Figure CN223723869U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to municipal drainage technical field more specifically, relate to a municipal drainage well anti -fall structure. BACKGROUND
[0002] On the municipal road, will widely use drainage well as the equipment of road drainage, generally will install the well lid at the road surface, the well lid has the effect of preventing the pedestrians or vehicles on the road from falling into the drainage well, but because the theft, damage of the unscrupulous personnel, or need to enter the well maintenance, the removal of the well lid can greatly increase the danger, therefore can install the anti -fall structure in the drainage well, after the personnel falls into the drainage well, play the role of intercepting and preventing falling, protecting the personnel safety, the existing anti -fall structure generally includes the anti -fall net of soft structure, wherein the anti -fall net because of the soft structure, needs not to influence normal drainage, generally is fixed by the expansion screw under the net shape, thereby leading to the part position of the body to easily pass through the mesh, under the inertia causes the laceration, or meets the expansion screw and causes the secondary injury. SUMMARY
[0003] The utility model discloses a municipal drainage well anti -fall structure.
[0004] The utility model discloses the following technical scheme:
[0005] A municipal drainage well anti -fall structure, including the anti -fall subassembly, the outer surface of anti -fall subassembly is equipped with the base, one side of base is fixedly connected with the fixed plate, the inner wall of fixed plate is sleeved with fixed bolt, the outer surface of base is set up with slide hole, the inner wall of slide hole is sleeved with slide rod, one end of slide rod is fixedly connected with the limit board, one side of base is fixedly connected with the spring, one end of slide rod is fixedly connected with the movable plate, the inner wall of movable plate is sleeved with the leakage board.
[0006] As a preferred implementation form, the outer surface of the movable plate is provided with a positioning groove, and the inner wall of one of the positioning grooves is provided with a threaded hole.
[0007] As a preferred implementation form, the outer surface of the screw rod is threadedly connected with the inner wall of the mounting groove, and the outer surface of the screw rod is threadedly connected with the inner wall of the threaded hole.
[0008] As a preferred implementation form, the leakage board is provided with two positioning blocks, and the positioning blocks are clampedly connected with the inner walls of the positioning grooves. One of the positioning blocks is provided with a mounting groove.
[0009] As a preferred implementation form, the outer surface of the slide rod is slidably connected with the inner wall of the slide hole.
[0010] As a preferred implementation, the fixing bolt is threadedly connected with the inner wall of the fixing plate.
[0011] As a preferred implementation, one end of the spring is fixedly connected with the outer surface of the movable plate.
[0012] Advantages
[0013] The base provides an installation environment for other components, the fixing plate is attached to the well wall, the fixing bolt is threadedly connected with the fixing plate and drilled into the well wall, thereby fixing the anti-falling assembly, the sliding hole and the sliding rod are slidingly connected, the movable plate can move normally and compress the spring, the spring rebound drives the movable plate to reset, the limiting plate prevents the sliding rod from falling off the sliding hole, and the leakage plate provides a drainage function while preventing falling. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 A perspective view of the anti-falling structure of the municipal drainage well is provided.
[0015] Figure 2 A side view of the anti-falling structure of the municipal drainage well is provided.
[0016] Figure 3 A perspective view of the movable plate of the anti-falling structure of the municipal drainage well is provided.
[0017] Figure 4 A cross-sectional perspective view of the movable plate of the anti-falling structure of the municipal drainage well is provided.
[0018] LEGEND:
[0019] 1, anti-falling assembly; 2, base; 21, sliding hole; 3, fixing plate; 4, movable plate; 41, positioning groove; 42, threaded hole; 5, fixing bolt; 6, sliding rod; 61, limiting plate; 7, spring; 8, leakage plate; 81, mounting groove; 9, screw; 10, positioning block. DETAILED DESCRIPTION
[0020] To make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.
[0021] Example 1
[0022] As shown in the figure, the utility model provides a municipal drainage well anti -fall structure, including anti -fall subassembly 1, the outer surface of anti -fall subassembly 1 is equipped with base 2, one side of base 2 is fixedly connected with fixed plate 3, the inner wall of fixed plate 3 is sleeved with fixed bolt 5, and fixed plate 3 is equipped with multiple and is evenly distributed in circumference.
[0023] The outer surface of the base 2 is provided with a sliding hole 21, and the inner wall of the sliding hole 21 is sleeved with a sliding rod 6. One end of the sliding rod 6 is fixedly connected with a limiting plate 61. One side of the base 2 is fixedly connected with a spring 7. One end of the sliding rod 6 is fixedly connected with a movable plate 4. The inner wall of the movable plate 4 is sleeved with a leakage plate 8. The two sides of the leakage plate 8 are provided with positioning blocks 10. The positioning blocks 10 are in engagement with the inner wall of the positioning groove 41. The design of the positioning blocks 10 is to limit the rotation of the movable plate 4. The movable plate 4 can move along the direction of the sliding rod 6.
[0024] In this embodiment, the base 2 provides a good installation environment for other components. The fixed plate 3 is used for adhering to the well wall. The fixed bolt 5 is threadedly connected with the fixed plate 3, and the fixed bolt 5 is drilled into the inside of the well wall, thereby realizing the fixing work of the anti-falling assembly 1, ensuring that the anti-falling assembly 1 will not fall off, and ensuring that the sliding rod 6 can normally move, thereby driving the movable plate 4 to move, compressing the spring 7 at the same time, driving the movable plate 4 to reset by the rebound of the spring 7, ensuring that the sliding rod 6 will not fall off from the inside of the sliding hole 21 by setting the limiting plate 61, ensuring that the leakage plate 8 provides a standing environment for the falling personnel while draining by setting the leakage plate 8, and ensuring that the leakage plate 8 will not move by the engagement of the positioning blocks 10 of the leakage plate 8 with the positioning groove 41.
[0025] Embodiment 2
[0026] As shown in the figure, the outer surface of the movable plate 4 is provided with a positioning groove 41. The inner wall of one of the positioning grooves 41 is provided with a threaded hole 42. The outer surface of the leakage plate 8 is provided with a mounting groove 81. The inner wall of the mounting groove 81 is sleeved with a screw rod 9. The outer surface of the screw rod 9 is threadedly connected with the inner wall of the mounting groove 81. The outer surface of the screw rod 9 is threadedly connected with the inner wall of the threaded hole 42.
[0027] In this embodiment, the threaded hole 42 and the screw rod 9 are threadedly connected, realizing the fixing work of the leakage plate 8. The mounting groove 81 and the screw rod 9 are threadedly connected, so that the screw rod 9 can be normally accommodated into the inside of the mounting groove 81, preventing the personnel from being injured when falling into the well.
[0028] Working principle:
[0029] As shown in the drawings, when the worker uses the anti-falling assembly 1 to carry out anti-falling work, first, the worker places the base 2 in the drainage well, then the fixed plate 3 is attached to the well wall, the fixed bolt 5 is screwed with the fixed plate 3 through threaded connection, and the fixed bolt 5 is drilled into the well wall, thereby fixing the base 2, then the worker clamps and connects the positioning block 10 of the leakage plate 8 with the positioning groove 41, and through the threaded connection of the screw rod 9 with the installation groove 81 and the screw hole 42, the leakage plate 8 is fixed, thereby completing the installation of the anti-falling assembly 1, when a person falls into the inside of the drainage well, the person will fall on the leakage plate 8, the leakage plate 8 is driven to move downwards by gravity, thereby driving the movable plate 4 to move, the sliding rod 6 is driven to slide in the inside of the sliding hole 21 by the movement of the movable plate 4, and the spring 7 is compressed, when the person leaves the drainage well, the movable plate 4 and the leakage plate 8 are reset by the rebound of the spring 7, and the sliding rod 6 is prevented from falling out of the inside of the sliding hole 21 by the limiting plate 61.
[0030] The above merely describes a preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A municipal drainage well fall arrest structure comprising a fall arrest assembly (1), characterised in that: The outer surface of the anti-falling assembly (1) is provided with a base (2), one side of the base (2) is fixedly connected with a fixed plate (3), the inner wall of the fixed plate (3) is sleeved with a fixed bolt (5), the outer surface of the base (2) is provided with a sliding hole (21), the inner wall of the sliding hole (21) is sleeved with a sliding rod (6), one end of the sliding rod (6) is fixedly connected with a limiting plate (61), one side of the base (2) is fixedly connected with a spring (7), one end of the sliding rod (6) is fixedly connected with a movable plate (4), the inner wall of the movable plate (4) is sleeved with a leakage plate (8).
2. The municipal drainage well anti-falling structure according to claim 1, characterized in that: The outer surface of the movable plate (4) is provided with a positioning groove (41), the inner wall of one of the positioning grooves (41) is provided with a threaded hole (42), the outer surface of the leakage plate (8) is provided with a mounting groove (81), and the inner wall of the mounting groove (81) is sleeved with a screw rod (9).
3. The municipal drainage well anti-falling structure according to claim 2, characterized in that: The outer surface of the screw rod (9) is in threaded connection with the inner wall of the mounting groove (81), and the outer surface of the screw rod (9) is in threaded connection with the inner wall of the threaded hole (42).
4. The municipal drainage well anti-falling structure according to claim 3, characterized in that: The leakage plate (8) is provided with two positioning blocks (10), the positioning blocks (10) are in clamping connection with the inner wall of the positioning groove (41), and one of the positioning blocks (10) is provided with the mounting groove (81).
5. The municipal drainage well anti-falling structure according to claim 1, characterized in that: The outer surface of the sliding rod (6) is in sliding connection with the inner wall of the sliding hole (21).
6. The municipal drainage well anti-falling structure according to claim 1, characterized in that: The fixed bolt (5) is in threaded connection with the inner wall of the fixed plate (3).
7. The municipal drainage well anti-falling structure according to claim 1, characterized in that: One end of the spring (7) is fixedly connected with the outer surface of the movable plate (4).