Municipal well lid
By designing a support ring and using related components in conjunction, the problems of inconvenient disassembly and debris accumulation in municipal manhole cover anti-fall devices have been solved, enabling convenient disassembly and cleaning, and improving the efficiency and safety of underground work.
Patent Information
- Application Number
- CN202423243701.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The existing anti-fall devices on municipal manhole covers are fixed to the inner wall of the manhole, which makes disassembly and installation inconvenient. In addition, debris can easily accumulate in the gap between the manhole cover and the manhole wall, affecting efficiency and safety.
A municipal manhole cover has been designed, comprising components such as a support ring, annular plate, fixing plate, sealing plate, hinge rod, limiting plate, and rotating ring. Through the coordinated use of these components, convenient disassembly and installation are achieved, and debris can be effectively cleared, ensuring the anti-fall effect.
It enables convenient disassembly and installation of fall protection devices, reduces debris accumulation, and improves the efficiency and safety of underground work in municipal wells.
Smart Images

Figure CN223607912U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of municipal works, concretely relates to a municipal well lid. BACKGROUND
[0002] Most well lids are equipped with anti-falling devices, and the common anti-falling device is usually supported and fixed on the inner wall of a sewer well. However, when it is actually needed to open the well lid for underground work or to maintain and replace the anti-falling device itself, the anti-falling device fixed on the inner wall of the well is extremely inconvenient to separate and reinstall due to its fixing mode and the limitation of the position, and in the separation process, the staff may need to enter the narrow and dangerous underground space, and spend a long time to disassemble the relevant fixed parts; and when installing, it is necessary to ensure that the installation position is accurate and fixed firmly, which requires higher operation requirements for the installer, and the whole process is time-consuming and laborious, which is not conducive to efficiently carrying out the relevant work of the municipal underground, and at the same time, after the well lid is installed, due to the gap between the well lid and the well wall, sundries are accumulated for a long time, which directly affects the opening and closing of the well lid. SUMMARY
[0003] The utility model provides a municipal well lid with the characteristics of solving the inconvenient use of the anti-falling device and the easy blockage of the well lid outer wall by sundries.
[0004] The utility model provides the following technical scheme: including support ring and lid, the support ring inner wall is equipped with the support groove that is used for supporting lid, the support groove inner wall is connected with the annular plate of sliding, install two fixed plate on the annular plate, two fixed plate between through equidistance distribution's sealing plate connection, the support ring inner wall is hinged with a plurality of articulated rods, be equipped with the limiting board between articulated rod, the limiting board outer wall is equipped with the butt joint groove that is matched with articulated rod, the rotating ring is rotatably connected in the center of limiting board, a plurality of limiting blocks matched with butt joint groove are fixedly connected on the outer wall of rotating ring, the clamping groove is equipped on the top of rotating ring, the clamping groove matched with the clamping rod is installed on the bottom of lid.
[0005] Among them, the outer wall of the fixed plate and the sealing plate is matched with the inner wall of the support groove, and the inner wall of the fixed plate and the sealing plate is matched with the outer wall of the lid.
[0006] Among them, the top of the fixed plate and the sealing plate is slidably connected with the pull plate.
[0007] Among them, the limiting block and the limiting board are equipped with the insertion hole connected, and the outer allowance slot is equipped on the rotating ring and the limiting block and is communicated with the insertion hole, the installation rod is clamped and connected on the inner wall of the outer allowance slot, and the plug pin matched with the insertion hole is installed on the bottom end of the installation rod.
[0008] The rotating ring top is provided with an inner accommodation slot, and the inner accommodation slot inner wall is clamped and connected with a mounting ring, and the mounting ring is fixedly connected with the mounting rod.
[0009] The mounting ring inner wall is fixedly connected with two convex rods, and the convex rods correspond to the inner accommodation slot.
[0010] The utility model discloses the beneficial effect is: through the annular plate sliding connection in support groove is connected with the connection of fixed plate, cooperation the splicing of sealing plate makes it can constitute the assembly of the junk of convenient to the cover body outside accumulation, cooperation articulated rod, limit board, rotating ring and limit block make it can control articulated rod position, make the device can ensure the anti -fall effect, make the cover body be at support groove center position, convenient to its installation and dismantle, simultaneously, will not influence normal open -up operation.
[0011] The part not involved in the device is same as the prior art or can be realized by using the prior art. DRAWINGS
[0012] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;
[0013] Figure 2 It is the three -dimensional structure schematic diagram of the utility model in support ring;
[0014] Figure 3 It is the movement schematic diagram of rotating ring in the utility model;
[0015] Figure 4 It is the cross section structure schematic diagram of the utility model.
[0016] In the drawing: 1, support ring;11, support groove;12, annular plate;2, fixed plate;21, sealing plate;22, pull plate;3, articulated rod;31, limit board;32, butt joint groove;33, rotating ring;34, limit block;35, jack plug;351, outer accommodation slot;352, inner accommodation slot;36, mounting rod;37, mounting ring;371, convex rod;38, clamping groove;4, cover body. DETAILED DESCRIPTION
[0017] Please refer to Figures 1-4The utility model provides following technical scheme: including support ring 1 and cover 4, support groove 11 for being used to support cover 4 is seted up in the inner wall of support ring 1, the inner wall slidingly connected of support groove 11 has annular plate 12, two fixed plates 2 are installed on annular plate 12, and the fixed plate 2 between is connected through equidistance distribution's sealing plate 21, the inner wall of support ring 1 is hinged with a plurality of hinged rods 3, and the hinged rod 3 between is equipped with limiting plate 31, and the outer wall of limiting plate 31 is seted up with the butt joint groove 32 matched with hinged rod 3, and the center of limiting plate 31 is rotatably connected with rotating ring 33, and the outer wall of rotating ring 33 is fixedly connected with a plurality of limiting blocks 34 matched with butt joint groove 32, and the top of rotating ring 33 is seted up with the clamping groove 38, and the bottom of cover 4 is installed with the clamping rod matched with clamping groove 38.
[0018] In the embodiment: the support ring 1 is the carrier of the bearing device, in use, the support groove 11 opened at the top of the support ring 1 can install the annular plate 12, the annular plate 12 slides in the inner wall of the support groove 11, so that it can be taken out alone, and the two fixed plates 2 installed on the annular plate 12 can be conveniently pulled up to make the fixed plate 2 drive the annular plate 12 to displace upward to separate it from the inner wall of the support groove 11, in normal use, the annular plate 12 is in the inner wall of the support groove 11, the fixed plate 2 and the sealing plate 21 are connected to form a ring shape, which limits the outer wall of the cover body 4, so that the cover body 4 is stably supported on the annular plate 12 and is supported by the top of the annular plate 12, after long-term use, in order to facilitate the installation and removal of the cover body 4, there is a certain gap between the cover body 4 and the support, which causes sundries to accumulate in the inner wall, which blocks the installation position of the cover body 4, at this time, the sealing plate 21 can be separately removed and separated to clean and discharge the sundries on the annular plate 12, and after the cover body 4 is separated, the annular plate 12 can be taken out as a whole to discharge the sundries, ensuring the long-term use of the device and avoiding the influence of the sundries blockage on the installation and removal of the cover body 4, and when the cover body 4 is installed in the inner wall of the support groove 11, the hinge rods 3 hinged to the inner wall of the support ring 1 are distributed at equal intervals, when the one end of the hinge rod 3 is horizontally corresponding, the one end of the hinge rod 3 can be limited in the inner wall of the connecting groove 32 opened in the outer wall of the limiting plate 31, at this time, the rotating ring 33 rotationally connected at the center of the limiting plate 31 can be rotated to make the several equally distributed limiting blocks 34 installed on the top and bottom outer walls of the rotating ring 33 limit the opening position of the connecting groove 32, so that the one end of the hinge rod 3 is limited on the outer wall of the limiting plate 31, thereby the several hinge rods 3 can remain horizontal to form a fall prevention frame to prevent the surrounding personnel from falling after the cover body 4 is opened, and the limiting blocks 34 opened at the top of the rotating ring 33 can connect the clamping rod installed at the bottom end of the cover body 4 to limit the cover body 4 at the center position of the device, and when the hinge rod 3 needs to be opened, the limiting blocks 34 can be misaligned with the connecting groove 32 by rotating the rotating ring 33, so that the hinge rod 3 changes the angle to give way to the inner wall of the support ring 1, thereby the device can ensure the fall prevention effect, so that the cover body 4 is at the center position of the support groove 11, which is convenient for installation and removal, and does not affect the normal operation after it is opened.
[0019] The outer walls of the fixed plate 2 and the sealing plate 21 are matched with the inner wall of the support groove 11, and the inner walls of the fixed plate 2 and the sealing plate 21 are matched with the outer wall of the cover body 4; the outer walls of the fixed plate 2 and the sealing plate 21 are matched with the inner wall of the support groove 11, so that after the fixed plate 2 and the sealing plate 21 are installed, they form a ring shape to wrap the outer wall part of the cover body 4, so that after the fixed plate 2 and the sealing plate 21 are opened, the impurities can be cleaned and the amount of sundries entering can be reduced, which is convenient for cleaning the outer side of the cover body 4.
[0020] The top end of the fixed plate 2 and the sealing plate 21 is slidably connected with a pull plate 22; the pull plate 22 slidably connected with the top end of the fixed plate 2 and the sealing plate 21 can slide upward, so that the fixed plate 2 and the sealing plate 21 can be easily pulled after the pull plate 22 slides upward, so as to separate them from the inner wall of the supporting groove 11.
[0021] The limiting block 34 and the limiting plate 31 are provided with a through hole 35 in communication, the rotating ring 33 and the limiting block 34 are provided with an outer limiting groove 351 in communication with the through hole 35, the outer limiting groove 351 is hingedly connected with a mounting rod 36, and the bottom end of the mounting rod 36 is provided with a plug matched with the through hole 35; the through hole 35 in communication with the limiting block 34 and the limiting plate 31 can make the mounting rod 36 installed on the inner wall of the outer limiting groove 351, so that the plug installed on the bottom end of the mounting rod 36 can be inserted into the through hole 35, the position between the hinged rod 3 and the limiting block 34 can be limited, the hinged rod 3 is limited by the limiting plate 31, and the hinged rod 3 is ensured to be horizontally arranged on the inner wall of the supporting ring 1.
[0022] The top of the rotating ring 33 is provided with an inner limiting groove 352, the inner limiting groove 352 is hingedly connected with a mounting ring 37, and the mounting ring 37 is fixedly connected with the mounting rod 36; the inner limiting groove 352 in the top of the rotating ring 33 can install the mounting ring 37, the mounting ring 37 is connected with the mounting rod 36, the mounting ring 37 can control the position of the mounting rod 36 by the convex rod 371 fixed on the inner wall of the mounting ring 37, so that the limiting block 34 and one end of the hinged rod 3 can be separated and misaligned.
[0023] The inner wall of the mounting ring 37 is fixedly connected with two convex rods 371 corresponding to the inner limiting groove 352; the two convex rods 371 fixedly connected with the inner wall of the mounting ring 37 can conveniently pull up and down the mounting ring 37, and the convex rods 371 are misaligned with the inner limiting groove 352, so that the installation of the convex rods 371 will not affect the alignment of the connection between the clamping groove 38 and the clamping rod at the bottom of the cover body 4.
[0024] The utility model discloses a working principle and use flow: through annular board 12 installation in support groove 11 inner wall to cover body 4 support, fixed plate 2 and the spacing between its and support ring 1 inner wall are filled to make the sealing plate 21 can be separately removed separation, the sundries on annular board 12 are cleaned and discharged, can make annular board 12 whole take out to the sundries and discharge after cover body 4 separation, ensure the long -term use of device, avoid sundries block up, influence cover body 4's installation and removal, when cover body 4 installation, hinged rod 3 horizontal erection, through the butt joint groove 32 of the outer wall of spacing plate 31 and hinged rod 3 one end support spacing, cooperate rotary ring 33 rotation, make spacing block 34 spacing, the clamping slot 38 of rotary ring 33 top makes the clamping rod butt joint of cover body 4 bottom end center installation, makes cover body 4 steady in device center, can rotate simultaneously through rotary ring 33, make spacing block 34 and butt joint groove 32 staggered, make hinged rod 3 produce angle change, make its to support ring 1 inner wall give way to the device can ensure the effect of preventing falling, make cover body 4 be in support groove 11 center position, be convenient for its installation and removal, simultaneously, will not affect normal open after its operation.
Claims
1. A municipal manhole cover comprising a support ring (1) and a cover body (4), characterized in that: The support ring (1) is provided with a support groove (11) on the inner wall for supporting the cover (4), the support groove (11) is slidably connected with an annular plate (12), the annular plate (12) is provided with two fixed plates (2), the two fixed plates (2) are connected by equidistant distribution of sealing plates (21), the support ring (1) is hingedly connected with a plurality of hinge rods (3), the hinge rods (3) are provided with a limiting plate (31), the limiting plate (31) is provided with a butt joint groove (32) matched with the hinge rod (3) on the outer wall, the limiting plate (31) is rotatably connected with a rotating ring (33) at the center, the rotating ring (33) is fixedly connected with a plurality of limiting blocks (34) matched with the butt joint groove (32) on the outer wall, the rotating ring (33) is provided with a clamping groove (38) on the top, and the cover (4) is provided with a clamping rod matched with the clamping groove (38) on the bottom.
2. A municipal cover as claimed in claim 1, wherein: The outer wall of the fixed plate (2) and the sealing plate (21) is matched with the inner wall of the support groove (11), and the inner wall of the fixed plate (2) and the sealing plate (21) is matched with the outer wall of the cover (4).
3. A municipal cover as claimed in claim 1, wherein: The fixed plate (2) and the sealing plate (21) are slidably connected with a pull plate (22) at the top.
4. A municipal cover as defined in claim 1, wherein: The limiting block (34) and the limiting plate (31) are provided with a connecting hole (35) on the outer wall, the rotating ring (33) and the limiting block (34) are provided with an outer allowance groove (351) communicated with the connecting hole (35), the outer allowance groove (351) is connected with a mounting rod (36), and the mounting rod (36) is provided with a plug matched with the connecting hole (35) on the bottom.
5. A municipal cover as claimed in claim 4 wherein: The rotating ring (33) is provided with an inner allowance groove (352) on the top, the inner allowance groove (352) is connected with a mounting ring (37), and the mounting ring (37) is fixedly connected with the mounting rod (36).
6. A municipal cover as claimed in claim 5 wherein: The mounting ring (37) is fixedly connected with two convex rods (371) on the inner wall, and the convex rods (371) correspond to the inner allowance groove (352).