Dredging and anti-blocking type municipal well lid
By designing snap components, rotary components and lifting components on municipal manhole covers, the problems of poor hydrophobicity and poor fixation of municipal manhole covers are solved, and the rapid installation and water dredging of manhole covers are achieved, which improves the safety of use and convenience of passage.
Patent Information
- Application Number
- CN202421243732.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The existing municipal manhole covers are poorly hydrophobic, easily blocked and affected traffic, and have poor fixity and are easily washed away, posing safety hazards.
A silt-proof municipal manhole cover is designed, using multiple sets of snapping components and rotating components arranged equidistantly around the axis, combined with the lifting components, to achieve rapid installation of the manhole cover and water-draining.
Effectively prevent municipal manhole covers from being blocked, improve the installation stability and use safety of manhole covers, and simplify the assembly and disassembly structure.
Smart Images

Figure CN222500536U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of municipal manhole covers, in particular to a silt-clearing and anti-blocking type municipal manhole cover. Background Art
[0002] The existing municipal drainage system is used to guide and infuse water on the road surface during the rainy season to reduce the accumulation of water on the road surface. Municipal engineering refers to the construction of municipal facilities. In my country, municipal facilities refer to various buildings, structures, equipment, etc. that are set up within the planning and construction scope of urban areas and towns based on government responsibilities and obligations to provide residents with paid or free public products and services. During the construction of municipal engineering, the top of the sewer needs to be covered with a drainage manhole cover.
[0003] The existing municipal manhole covers have poor hydrophobicity. When it rains heavily, the municipal manhole covers will be blocked, affecting normal traffic. Usually, the covers need to be opened manually for drainage. In addition, the municipal manhole covers are also poorly fixed. When there is a large amount of accumulated water, the municipal manhole covers are easily washed away, which will bring certain safety hazards to pedestrians and are not conducive to people's use. Therefore, technical personnel in this field provide a silt-clearing and anti-blocking municipal manhole cover to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to provide a silt-clearing and anti-blocking municipal manhole cover to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silt-clearing and anti-blocking municipal manhole cover, comprising:
[0006] A manhole cover body, wherein a plurality of buckle assemblies arranged equidistantly in a circle around its axis are installed at the bottom of the manhole cover body, and a rotating assembly for controlling all the buckle assemblies to be switched on and off simultaneously is connected to the center of the manhole cover body;
[0007] A fixed bracket, the fixed bracket comprising a fixing ring at the top and a retaining ring at the bottom, and a plurality of vertical rods are installed between the retaining ring and the fixing ring;
[0008] The mounting base has a plurality of groups of clamping holes corresponding to the buckle components in a one-to-one manner arranged inside the mounting base. The mounting base is slidably mounted on the vertical rod, and a lifting component for driving the mounting base to move up and down is mounted on the retaining ring.
[0009] Preferably, the buckle assembly comprises a bottom support block fixedly mounted on the manhole cover body, a clamping rod is slidably mounted inside the support block, and one end of the clamping rod is connected to the rotating assembly via a hinged movable rod.
[0010] Preferably: the rotating assembly includes a rotating rod rotatably connected to the center of the manhole cover body, a rotating disk is fixedly installed on the bottom end of the rotating rod, the outer ring of the rotating disk is hingedly connected to the end of the movable rod away from the clamping rod, and a groove for the rotating rod to rotate is provided on the top of the manhole cover body, and a handle rod is welded to the end of the rotating rod located inside the groove.
[0011] Preferably, the inner thread of the groove is connected with a blocking cover, and the top of the blocking cover is provided with a plurality of connecting grooves.
[0012] Preferably, a plurality of groups of baffles are fixedly mounted on the inner wall of the mounting base, and the support block is slidably mounted between two adjacent groups of baffles.
[0013] Preferably: a first cross rod is welded at the center of the retaining ring, a first disc supporting the lifting assembly is integrally formed at the center of the first cross rod, a second cross rod is welded at the bottom of the mounting base, a second disc connected to the lifting assembly is integrally formed at the center of the second cross rod.
[0014] Preferably, the lifting assembly comprises a servo motor fixedly mounted on the bottom of the first disc, the output end of the servo motor is connected to a lifting screw, and the lifting screw is threadedly connected to a threaded tube welded to the center of the second disc.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. In the utility model, a hand grip is provided to drive the rotating rod and the rotating disk to rotate. The rotating disk drives the clamping rod to slide inside the supporting block through the movable rod, and the end of the clamping rod is buckled into the inside of the clamping hole, so that the manhole cover body can be quickly installed, so that the manhole cover body is firmly connected to the installation base, and the manhole cover body is not easy to be separated from the manhole of the sewer, thereby improving its safety in use, and the assembly and disassembly structure is simple and easy to operate.
[0017] 2. In the utility model, a starting servo motor is set to drive the lifting screw to rotate, and the lifting screw drives the threaded tube, the second disc and the second cross rod to move up and down. The second cross rod can drive the mounting base and the manhole cover body to move up and down. A certain gap is left between the outer ring of the retaining ring and the vertical rod and the inner wall of the sewer shaft. The lowering of the manhole cover body can facilitate the rapid dredging of accumulated water and silt from between the vertical rods, which can effectively prevent the municipal manhole cover from being blocked. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 It is a cross-sectional view of the overall structure of the utility model;
[0020] Figure 3It is a schematic diagram of the bottom structure of the manhole cover body of the utility model;
[0021] Figure 4 It is a schematic diagram of the structure of the fixing bracket, the mounting base and the lifting assembly of the utility model.
[0022] In the figure: 1. manhole cover body; 2. fixing ring; 3. retaining ring; 4. vertical rod; 5. mounting base; 6. clamping hole; 7. supporting block; 8. clamping rod; 9. movable rod; 10. rotating rod; 11. rotating disk; 12. groove; 13. hand grip rod; 14. retaining cover; 15. connecting groove; 16. retaining bar; 17. first cross rod; 18. first disc; 19. second cross rod; 20. second disc; 21. servo motor; 22. lifting screw; 23. threaded tube. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1 to Figure 4 In the embodiment of the utility model, a municipal manhole cover of silt removal and anti-blocking type includes a manhole cover body 1, a fixing bracket and a mounting base 5. A plurality of buckle assemblies arranged equidistantly in a circle around the axis thereof are installed at the bottom of the manhole cover body 1. The center of the manhole cover body 1 is connected to a rotating assembly for controlling the simultaneous switching of all the buckle assemblies. The fixing bracket includes a fixing ring 2 at the top and a retaining ring 3 at the bottom. A plurality of vertical rods 4 are installed between the retaining ring 3 and the fixing ring 2. A plurality of buckle holes 6 corresponding to the buckle assemblies are provided inside the mounting base 5. The mounting base 5 is slidably installed on the vertical rod 4 up and down, and a lifting assembly for driving the mounting base 5 to move up and down is installed on the retaining ring 3.
[0025] When installing the municipal manhole cover, an inner flange for supporting the fixing ring 2 extends from the top of the sewer manhole to the inner circle, and the fixing ring 2 is pre-buried and fixed to the top of the sewer pipe. When the municipal manhole cover is in normal use, the lifting assembly moves the mounting base 5 to the top and fits with the bottom of the fixing ring 2, and snaps the manhole cover body 1 into the interior of the mounting base 5. The operator rotates the rotating assembly to drive the snap assembly, and the end of the snap assembly snaps into the interior of the snap hole 6, so as to achieve a fast connection between the manhole cover body 1 and the mounting base 5. When a large amount of water accumulates at the municipal manhole cover, the lifting assembly can be used to drive the mounting base 5 and the manhole cover body 1 to move downward, so that an opening appears between the top of the manhole cover body 1 and the multiple groups of vertical rods 4, and the accumulated water and silt can flow from the multiple groups of vertical rods 4 to the interior of the sewer, which can effectively control the cleaning of the accumulated water and silt.
[0026] In one embodiment, specifically, the snap assembly includes a bottom support block 7 fixedly installed on the manhole cover body 1, a clamping rod 8 is slidably installed inside the support block 7, one end of the clamping rod 8 is connected to the rotating assembly through a hinged movable rod 9, wherein the rotating assembly includes a rotating rod 10 rotatably connected to the center of the manhole cover body 1, a turntable 11 is fixedly installed on the bottom end of the rotating rod 10, the outer ring of the turntable 11 is hingedly connected to one end of the movable rod 9 away from the clamping rod 8, a groove 12 for the rotating rod 10 to rotate is provided on the top of the manhole cover body 1, and a hand grip rod 13 is welded to one end of the rotating rod 10 located inside the groove 12.
[0027] The operator rotates the hand grip 13 inside the groove 12, and the hand grip 13 drives the rotating rod 10 to rotate, and the rotating rod 10 drives the turntable 11 to rotate, and the turntable 11 drives multiple groups of movable rods 9 to move simultaneously, and the movable rod 9 drives the clamping rod 8 to slide inside the support block 7, and the end of the clamping rod 8 is buckled into the inside of the clamping hole 6, so as to realize the rapid installation of the manhole cover body 1. Furthermore, the internal thread of the groove 12 is connected with a blocking cover 14, which can provide protection for the top of the rotating rod 10 to prevent the rotating rod 10 from being rotated by external force during daily use of the manhole cover. A variety of connecting grooves 15 are provided on the top of the blocking cover 14, which can facilitate the staff to open and close the blocking cover 14.
[0028] A plurality of groups of baffles 16 are fixedly mounted on the inner wall of the mounting base 5 , and the support block 7 can be slidably mounted between two adjacent groups of baffles 16 , so as to facilitate the docking installation between the clamping rod 8 and the clamping hole 6 .
[0029] In one embodiment, a first cross rod 17 is welded to the center of the retaining ring 3, a first disc 18 supporting the lifting assembly is integrally formed at the center of the first cross rod 17, a second cross rod 19 is welded to the bottom of the mounting base 5, a second disc 20 connected to the lifting assembly is integrally formed at the center of the second cross rod 19, and specifically, the lifting assembly includes a servo motor 21 fixedly mounted at the bottom of the first disc 18, a lifting screw 22 is connected to the output end of the servo motor 21, and a threaded tube 23 welded to the center of the second disc 20 is threadedly connected to the lifting screw 22.
[0030] Start the servo motor 21, which drives the lifting screw 22 to rotate. The lifting screw 22 drives the threaded tube 23 to move up and down. The threaded tube 23 drives the second disc 20 and the second cross rod 19 to move up and down. The second cross rod 19 can drive the mounting base 5 to move up and down on the surface of the vertical rod 4. The mounting base 5 drives the manhole cover body 1 to move up and down through the buckle assembly. A certain gap is left between the outer ring of the retaining ring 3 and the vertical rod 4 and the inner wall of the sewer shaft to facilitate the dredging of accumulated water and silt.
[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A silt-clearing and anti-blocking municipal manhole cover, characterized by: include: A manhole cover body (1), wherein a plurality of groups of buckle assemblies arranged equidistantly in a circle around the central axis are installed at the bottom of the manhole cover body (1), and a rotating assembly for controlling all the buckle assemblies to be turned on and off simultaneously is connected to the center of the manhole cover body (1); A fixed bracket, the fixed bracket comprising a fixing ring (2) at the top and a retaining ring (3) at the bottom, and a plurality of groups of vertical rods (4) are installed between the retaining ring (3) and the fixing ring (2); The mounting base (5) has a plurality of groups of snap holes (6) arranged inside the mounting base (5) corresponding to the snap assembly one by one. The mounting base (5) is mounted on the vertical rod (4) in an up-and-down sliding manner. The retaining ring (3) is provided with a lifting assembly for driving the mounting base (5) to move up and down.
2. A silt-clearing and anti-blocking municipal manhole cover according to claim 1, characterized in that: The buckle assembly comprises a bottom support block (7) fixedly mounted on the manhole cover body (1), a clamping rod (8) being slidably mounted inside the support block (7), and one end of the clamping rod (8) being connected to the rotating assembly via a hinged movable rod (9).
3. A silt-clearing and anti-blocking municipal manhole cover according to claim 2, characterized in that: The rotating assembly comprises a rotating rod (10) rotatably connected to the center of the manhole cover body (1), a rotating disk (11) is fixedly mounted on the bottom end of the rotating rod (10), an outer ring of the rotating disk (11) is hingedly connected to an end of a movable rod (9) away from the clamping rod (8), a groove (12) for the rotating rod (10) to rotate is provided on the top of the manhole cover body (1), and a handle bar (13) is welded to one end of the rotating rod (10) located inside the groove (12).
4. A silt-clearing and anti-blocking municipal manhole cover according to claim 3, characterized in that: The inner thread of the groove (12) is connected to a blocking cover (14), and a plurality of communicating grooves (15) are formed on the top of the blocking cover (14).
5. The silt-clearing and anti-blocking municipal manhole cover according to claim 2, characterized in that: A plurality of groups of baffles (16) are fixedly mounted on the inner wall of the mounting base (5), and the support block (7) can be slidably mounted between two adjacent groups of baffles (16).
6. A silt-clearing and anti-blocking municipal manhole cover according to claim 5, characterized in that: A first cross rod (17) is welded at the center of the retaining ring (3), and a first disc (18) supporting the lifting assembly is integrally formed at the center of the first cross rod (17); a second cross rod (19) is welded at the bottom of the mounting base (5), and a second disc (20) connected to the lifting assembly is integrally formed at the center of the second cross rod (19).
7. A silt-clearing and anti-blocking municipal manhole cover according to claim 6, characterized in that: The lifting assembly comprises a servo motor (21) fixedly mounted on the bottom of the first disc (18); the output end of the servo motor (21) is connected to a lifting screw (22); and the lifting screw (22) is threadedly connected to a threaded tube (23) welded to the center of the second disc (20).