Well lid for road drainage
By using a buffer mechanism connecting the circular plate, spring and damper in the manhole cover, the problems of vibration and impact of the traditional manhole cover when the vehicle passes, and the stability and safety of the manhole cover are improved.
Patent Information
- Application Number
- CN202421335220.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The impact of vibration and impact generated by the traditional manhole cover design on the manhole cover and surrounding structures by the vehicle has not been effectively solved, resulting in loosening, displaced or even damaged manhole covers, and negatively affecting the stability and service life of the road structure.
A manhole cover for road drainage is designed, using buffer mechanisms such as connecting circular plates, springs and dampers to absorb and disperse vibrations and shocks, and enhance the stability and safety of the manhole cover.
It effectively reduces damage to the manhole cover and its surrounding structure, extends the service life of the manhole cover, reduces the frequency of repair and replacement, and improves the stability and safety of the manhole cover.
Smart Images

Figure CN222782182U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of manhole covers, in particular to a manhole cover for road drainage. Background Art
[0002] Manhole covers are one of the most common facilities on the road. They are mainly used to cover the manholes to prevent pedestrians or vehicles from falling in, while ensuring the normal operation of the drainage system. However, traditional manhole cover designs often ignore the impact of vibration and impact generated by vehicles passing by on the manhole covers and surrounding structures. Long-term vibration and impact may not only cause the manhole covers to loosen, shift or even break, but may also have a negative impact on the structural stability and service life of the road. Utility Model Content
[0003] (I) Purpose of the utility model
[0004] In view of this, the purpose of the utility model is to provide a manhole cover for road drainage, which solves the problems raised in the above background.
[0005] (II) Technical solution
[0006] A manhole cover for road drainage comprises a mounting frame, a bottom plate fixedly mounted on the bottom end of the mounting frame, a fixing plate fixedly mounted on the inner wall of the mounting frame, a connecting circular plate fixedly mounted on the top end of the fixing plate, a damper mounted on one side of the connecting circular plate, one end of the damper connected to another group of connecting circular plates, one end of the connecting circular plates connected to a top plate, springs connected between the connecting circular plates, a connecting frame movably mounted on one side of the top plate, and a manhole cover movably mounted on one side of the connecting frame.
[0007] Preferably, a handle is fixedly installed on one side of the manhole cover, and the outer surface of the manhole cover is serrated. The setting of the handle makes it more convenient for workers to operate when they need to open the manhole cover for maintenance or inspection, thereby improving work efficiency. The serrated outer surface increases the anti-slip performance of the manhole cover. When people walk on rainy days or slippery roads, they can effectively prevent slipping due to stepping on the manhole cover, thereby ensuring the safety of pedestrians.
[0008] Preferably, the four corners of the inner wall of the fixed plate are fixedly installed with a limiting plate, and the outer surface of the limiting plate is provided with a snap-fitting groove. By fixing the limiting plates at the four corners of the inner wall of the fixed plate, the internal structure of the installation frame is more stable, which effectively prevents the shaking or deformation that may occur during use and enhances the stability of the overall structure of the manhole cover. The outer surface of the limiting plate is provided with a snap-fitting groove, which provides a convenient snap-fitting position for the installation of the filter.
[0009] Preferably, a locking pin is movably installed in the locking groove on the outer surface of the limit plate, and one end of the locking pin is connected to a filter net. The locking pin enables the filter net to be quickly connected to the locking groove of the limit plate through the locking pin, which is convenient for the staff to perform installation and disassembly operations. The setting of the filter net can effectively filter out impurities in rainwater, prevent blockage of the drainage system, and improve the practicality of the manhole cover.
[0010] Preferably, the locking pin is made of a magnetic material, and the locking pin made of a magnetic material can be easily adsorbed in the locking groove of the limiting plate without the need for additional fixing tools or operations, thereby greatly improving the installation efficiency.
[0011] Preferably, the outer surface of the filter screen is provided with a groove, and the design of the groove allows the filter screen to be easily disassembled through the groove when it needs to be cleaned or replaced, thereby simplifying the maintenance process.
[0012] Preferably, the outer end of the mounting frame is arc-shaped, which reduces the sharp part of the edge of the manhole cover, reduces the risk of scratches or collisions that may occur when pedestrians or vehicles pass by, and enhances the safety of the manhole cover.
[0013] It can be seen from the above technical solutions that this application has the following beneficial effects:
[0014] 1. The utility model connects the circular plate, spring and damper and other buffer mechanisms, which can effectively absorb and disperse these vibrations and shocks, thereby greatly reducing the damage to the manhole cover and its surrounding structures. This improvement in buffering performance not only extends the service life of the manhole cover, but also reduces the frequency of repair and replacement, reducing maintenance costs.
[0015] 2. The utility model uses a locking pin to enable the filter net to be quickly connected to the locking groove of the limit plate, which is convenient for the staff to perform installation and disassembly operations. The setting of the filter net can effectively filter out impurities in rainwater, prevent clogging of the drainage system, and improve the practicality of the manhole cover. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the first explosion structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the second explosion structure of the utility model;
[0019] Figure 4 For this utility model Figure 2 The enlarged schematic diagram at A in the middle;
[0020] Figure 5 For this utility model Figure 3Enlarged schematic diagram of point B in the middle.
[0021] In the figure: 1. installation frame; 2. top plate; 3. connecting frame; 4. manhole cover; 5. handle; 6. filter screen; 7. groove; 8. locking pin; 111. fixing plate; 112. connecting circular plate; 113. spring; 114. bottom plate; 115. damper; 116. limit plate. DETAILED DESCRIPTION
[0022] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, and use. It should be understood that in all of these figures, the same or similar reference numerals indicate the same or similar parts and features. The various drawings only schematically represent the concepts and principles of the embodiments of the present disclosure, and do not necessarily show the specific dimensions and proportions of the various embodiments of the present disclosure. Specific parts in specific drawings may be exaggerated to illustrate the relevant details or structures of the embodiments of the present disclosure.
[0023] See also Figure 1-5 , an embodiment provided by the utility model:
[0024] A manhole cover for road drainage comprises a mounting frame 1, a bottom plate 114 is fixedly mounted on the bottom end of the mounting frame 1, a fixing plate 111 is fixedly mounted on the inner wall of the mounting frame 1, a connecting circular plate 112 is fixedly mounted on the top end of the fixing plate 111, a damper 115 is mounted on one side of the connecting circular plate 112, one end of the damper 115 is connected to another group of connecting circular plates 112, one end of the connecting circular plate 112 is connected to a top plate 2, springs 113 are connected between the connecting circular plates 112, a connecting frame 3 is movably mounted on one side of the top plate 2, and a manhole cover 4 is movably mounted on one side of the connecting frame 3.
[0025] Furthermore, a handle 5 is fixedly installed on one side of the manhole cover 4, and the outer surface of the manhole cover 4 is serrated. The setting of the handle 5 makes it more convenient for the staff to operate when it is necessary to open the manhole cover 4 for maintenance or inspection, thereby improving work efficiency. The serrated outer surface increases the anti-slip performance of the manhole cover 4. When people walk on rainy days or slippery roads, they can effectively prevent slipping due to stepping on the manhole cover 4, thereby ensuring the safety of pedestrians.
[0026] Furthermore, the four corners of the inner wall of the fixed plate 111 are fixedly installed with a limiting plate 116, and the outer surface of the limiting plate 116 is provided with a snap-fitting groove. By fixing the limiting plate 116 at the four corners of the inner wall of the fixed plate 111, the internal structure of the installation frame 1 is more stable, which effectively prevents the shaking or deformation that may occur during use and enhances the stability of the overall structure of the manhole cover. The outer surface of the limiting plate 116 is provided with a snap-fitting groove, which provides a convenient snap-fitting position for the installation of the filter screen 6.
[0027] Furthermore, a locking pin 8 is movably installed in the locking groove on the outer surface of the limit plate 116, and one end of the locking pin 8 is connected to the filter screen 6. The locking pin 8 enables the filter screen 6 to be quickly connected to the locking groove of the limit plate 116 through the locking pin 8, which is convenient for the staff to perform installation and disassembly operations. The setting of the filter screen 6 can effectively filter out impurities in rainwater, prevent blockage of the drainage system, and improve the practicality of the manhole cover.
[0028] Furthermore, the locking pin 8 is made of a magnetic material, and the locking pin 8 made of a magnetic material can be easily adsorbed in the locking groove of the limiting plate 116 without the need for additional fixing tools or operations, thereby greatly improving the installation efficiency.
[0029] Furthermore, a groove 7 is provided on the outer surface of the filter screen 6. The design of the groove 7 allows the filter screen 6 to be easily disassembled through the groove 7 when it needs to be cleaned or replaced, thereby simplifying the maintenance process.
[0030] Furthermore, the outer end of the mounting frame 1 is in an arc shape, which reduces the sharp part of the edge of the manhole cover, reduces the risk of scratches or collisions that may occur when pedestrians or vehicles pass by, and enhances the safety of the manhole cover.
[0031] Working principle: First, the installation frame 1 is fixed at the wellhead, and the bottom plate 114 at its bottom end ensures a stable connection between the installation frame 1 and the wellhead. The connecting circular plates 112 are fixed on the fixing plate 111 on the inner wall of the installation frame 1. These connecting circular plates 112 serve as the connection points between the top plate 2 and the installation frame 1 on the one hand, and also as one of the main components of the buffer mechanism on the other hand. When a vehicle passes through the manhole cover 4, the vibration and impact generated first act on the manhole cover 4 and are transmitted to the top plate 2 through the connecting frame 3. At this time, the connecting circular plates 112 on the top plate 2 begin to play a role. The connecting circular plates 112 are connected by springs 113. The elastic action of the springs 113 can absorb part of the impact energy and convert it into the deformation energy of the springs 113 themselves, thereby reducing the direct impact on the manhole cover 4 and the surrounding structures. At the same time, the damper 115 installed on one side of the connecting circular plate 112 also plays a key role. The damper 115 uses its own damping characteristics to further absorb and disperse the vibration energy, effectively reducing the transmission of vibration in the manhole cover system. The coordinated action of the damper 115 and the spring 113 enables the entire buffer mechanism to more effectively absorb and disperse the vibration and impact generated when a vehicle passes by.
[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A manhole cover for road drainage, comprising a mounting frame (1), characterized in that: A bottom plate (114) is fixedly mounted on the bottom end of the installation frame (1), and a fixing plate (111) is fixedly mounted on the inner wall of the installation frame (1); a connecting circular plate (112) is fixedly mounted on the top end of the fixing plate (111), and a damper (115) is mounted on one side of the connecting circular plate (112); one end of the damper (115) is connected to another group of connecting circular plates (112), and one end of the connecting circular plate (112) is connected to a top plate (2); springs (113) are connected between the connecting circular plates (112); a connecting frame (3) is movably mounted on one side of the top plate (2), and a manhole cover (4) is movably mounted on one side of the connecting frame (3).
2. A road drainage manhole cover according to claim 1, characterized in that: A handle (5) is fixedly mounted on one side of the manhole cover (4), and the outer surface of the manhole cover (4) is serrated.
3. A road drainage manhole cover according to claim 1, characterized in that: The four corners of the inner wall of the fixing plate (111) are all fixedly mounted with a limiting plate (116), and the outer surface of the limiting plate (116) is provided with a locking groove.
4. A road drainage manhole cover according to claim 3, characterized in that: A locking pin (8) is movably installed in a slot on the outer surface of the limiting plate (116), and one end of the locking pin (8) is connected to a filter screen (6).
5. A road drainage manhole cover according to claim 4, characterized in that: The locking pin (8) is made of a magnetic material.
6. A road drainage manhole cover according to claim 4, characterized in that: The outer surface of the filter screen (6) is provided with a groove (7).
7. A road drainage manhole cover according to claim 1, characterized in that: The outer end of the installation frame (1) is in an arc shape.