Municipal well lid device with intercepting plate

Abstract

The municipal well lid device with the intercepting plate comprises a well ring, the well ring is provided with an openable well lid, the intercepting plate is arranged in the well ring and comprises a fixed piece, a plurality of movable pieces with the diameters gradually reduced are sequentially arranged on the inner side of the fixed piece, and the fixed piece and the movable pieces are of an annular structure; a plurality of tension springs are arranged between the fixed piece and the movable pieces in the circumferential direction, a plurality of tension springs are arranged between the adjacent movable pieces in the circumferential direction, a plurality of connecting lugs are arranged on the outer ring of the fixed piece in the circumferential direction, a lower limiting lug plate is arranged in the well ring, the lower ends of the connecting lugs abut against the lower limiting lug plate, and the problem that potential safety hazards are caused after the well lid is lost, opened or damaged is solved.

Description

Technical Field

[0001] The utility model relates to the municipal field, in particular to a municipal manhole cover device with an interception plate. Background Art

[0002] In municipal engineering, manhole covers are common facilities used to cover the manholes to prevent people and objects from falling in, and also to prevent rainwater, garbage and other debris from entering. However, traditional manhole covers have some safety hazards. For example, when the manhole cover is moved, lost or damaged, it is easy to form a "trap", posing a safety threat to pedestrians and vehicles, especially in heavy rain weather, the backflow of water may break the manhole cover and cause danger.

[0003] Traditional manhole cover devices have anti-fall nets installed inside the shaft, but since the anti-fall nets are easily weathered and damaged after long-term use, they must be replaced regularly, which not only poses a safety hazard but also increases the workload of staff. Utility Model Content

[0004] The utility model provides a municipal manhole cover device with an interception plate, which solves the problem of potential safety hazards caused by the manhole cover being lost, opened or damaged.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a municipal manhole cover device with an interception plate, including a manhole ring, an openable manhole cover is arranged on the manhole ring, an interception plate is arranged inside the manhole ring, the interception plate includes a fixed plate, a plurality of movable plates with gradually decreasing diameters are arranged in sequence on the inner side of the fixed plate, the fixed plate and the movable plate are annular structures, a plurality of tension springs are arranged circumferentially between the fixed plate and the movable plate, a plurality of tension springs are arranged circumferentially between adjacent movable plates, a plurality of connecting ears are arranged circumferentially on the outer ring of the fixed plate, a lower limit ear plate is arranged inside the manhole ring, and the lower end of the connecting ear rests on the lower limit ear plate.

[0006] In a preferred embodiment, the movable pieces in the inner circle are successively lower than the movable pieces in the outer circle in height direction, the outer diameter of each movable piece in the inner circle is larger than the inner diameter of the adjacent movable piece in the outer circle, the outer diameter of the movable piece in the outermost circle is smaller than the inner diameter of the fixed piece, and the height of the movable piece in the outermost circle is lower than the fixed piece.

[0007] In the preferred embodiment, an upper limit ear plate is arranged above the lower limit ear plate at an interval, and a connecting ear plate is arranged between the lower limit ear plate and the upper limit ear plate. The lower limit ear plate, the upper limit ear plate and the connecting ear plate are all provided with latch holes and latch columns, which pass through the lower limit ear plate, the upper limit ear plate and the connecting ear plate.

[0008] In the preferred solution, a through buffer sleeve is further provided, a ring groove is provided in the center of the outer wall of the buffer sleeve, the ring groove is engaged with the pin hole of the connecting ear plate, and the two ends of the buffer sleeve are respectively against the lower limit ear plate and the upper limit ear plate.

[0009] In a preferred solution, a column cap is provided at the upper end of the latch column, and a reinforcing rib is provided at the lower end of the manhole cover, and the lower end of the reinforcing rib abuts against the upper end of the column cap.

[0010] The beneficial effects of the utility model are as follows: an interception plate made of steel or other metal is used as an anti-fall measure, the interception plate does not need to be replaced frequently, and has a higher load-bearing capacity, reducing the maintenance workload; the interception plate has the function of reducing the backflow flow, and is stopped in the reverse direction and will not contact the manhole cover, preventing the manhole cover from being pushed open due to floating objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0012] Figure 1 It is a schematic diagram of the utility model.

[0013] Figure 2 It is an internal top view of the utility model.

[0014] Figure 3 It is a cross-sectional view of the utility model.

[0015] Figure 4 It is a partial cross-sectional view of the utility model.

[0016] Figure 5 It is a structural diagram of an interception plate of the utility model.

[0017] In the figure: well ring 1; hinged seat 101; lower limit ear plate 102; upper limit ear plate 103; hollow arc groove 104; well cover 2; hinged ear 201; reinforcing rib 202; interception plate 3; fixed plate 301; movable plate 302; hollow hole 303; connecting ear 304; hinged bolt 4; latch column 5; column cap 501; buffer sleeve 6; ring groove 601; tension spring 7. DETAILED DESCRIPTION

[0018] like Figure 1-5 A municipal manhole cover device with an interception plate is disclosed, comprising a manhole ring 1, an openable manhole cover 2 is arranged on the manhole ring 1, an interception plate 3 is arranged inside the manhole ring 1, the interception plate 3 comprises a fixed plate 301, a plurality of movable plates 302 with gradually decreasing diameters are arranged in sequence on the inner side of the fixed plate 301, the fixed plate 301 and the movable plate 302 are annular structures, a plurality of tension springs 7 are arranged circumferentially between the fixed plate 301 and the movable plate 302, a plurality of tension springs 7 are arranged circumferentially between adjacent movable plates 302, a plurality of connecting ears 304 are arranged circumferentially on the outer ring of the fixed plate 301, a lower limit ear plate 102 is arranged inside the manhole ring 1, and the lower end of the connecting ear plate 304 abuts against the lower limit ear plate 102.

[0019] A hinged ear 201 is provided at one end of the manhole cover 2 , and a hinged bolt 4 is provided at the hinged ear 201 . A hinged seat 101 is provided at one end of the manhole ring 1 , and the hinged ear 201 is hinged to the hinged ear 201 through the hinged bolt 4 .

[0020] A plurality of hollow holes 303 are axially provided on the fixed plate 301 and each movable plate 302 for ventilation and drainage. Hook structures are provided at both ends of the tension spring 7. One end of the tension spring 7 is hooked on the hollow hole 303 of the fixed plate 301, and the other end is hooked on the hollow hole 303 of the movable plate 302 adjacent to the inner circle. The remaining hollow holes 303 of the inner circle are hooked to each other through the tension spring 7.

[0021] The fixed sheet 301 and the movable sheet 302 can be made of stainless steel, and the edges and corners of the inner and outer circles are polished and smooth, so that they are durable and do not need to be replaced frequently.

[0022] In a preferred embodiment, the movable sheets 302 in the inner circle are successively lower than the movable sheets 302 in the outer circle in height direction, the outer diameter of each movable sheet 302 in the inner circle is larger than the inner diameter of the adjacent movable sheet 302 in the outer circle, the outer diameter of the movable sheet 302 in the outermost circle is smaller than the inner diameter of the fixed sheet 301, and the height of the movable sheet 302 in the outermost circle is lower than the fixed sheet 301.

[0023] Initially, due to the tension of the tension spring 7, each movable sheet 302 and the fixed sheet 301 are closely attached to each other in sequence to form a thin sheet structure with a small volume. When a heavy object falls, it is intercepted by the interception plate 3, and the heavy object impacts the movable sheet 302, so that each tension spring 7 is stretched, and each movable sheet 302 descends layer by layer, delaying the impact time, playing an anti-fall and buffering role.

[0024] In the preferred embodiment, an upper limit ear plate 103 is arranged above the lower limit ear plate 102 at an interval, and a connecting ear plate 304 is arranged between the lower limit ear plate 102 and the upper limit ear plate 103. The lower limit ear plate 102, the upper limit ear plate 103 and the connecting ear plate 304 are all provided with latch holes, and are also provided with latch columns 5, which pass through the lower limit ear plate 102, the upper limit ear plate 103 and the connecting ear plate 304.

[0025] The outer circle diameter of the fixing plate 301 is smaller than the inner end contour circle diameter of the plurality of upper limit ear plates 103, but larger than the inner end contour circle diameter of the plurality of lower limit ear plates 102. When installing the intercepting plate 3, it is only necessary to place the intercepting plate 3 on the lower limit ear plate 102, rotate it circumferentially at an angle, align the pin hole, and insert the pin column 5.

[0026] When flooding occurs during heavy rain, when water flows upward, the outer diameter of the inner ring movable sheet 302 is larger than the inner diameter of the outer edge movable sheet 302, so the movable sheet 302 will not expand upward but can only remain closed. The water flow is intercepted by the interception plate 3, and the impact force is reduced. Water will overflow upward from the hollow holes 303, the hollow arc grooves 104, and the gaps at the contact between the fixed sheet 301 and the movable sheet 302, and between adjacent movable sheets 302, thus avoiding direct impact on the manhole cover 2, preventing the manhole cover 2 from being opened or the hinge bolts 4 from being broken. Even if there are floating objects, they will be intercepted by the interception plate 3 and will not contact the manhole cover 2, thus preventing the manhole cover 2 from being lifted.

[0027] In the preferred embodiment, a through buffer sleeve 6 is further provided, and a ring groove 601 is provided in the center of the outer wall of the buffer sleeve 6. The ring groove 601 is engaged with the pin hole of the connecting ear piece 304, and the two ends of the buffer sleeve 6 are respectively against the lower limit ear plate 102 and the upper limit ear plate 103.

[0028] The buffer sleeve 6 is made of rubber or silicone material. The buffer sleeve 6 enables the fixing plate 301 to float slightly in the gap between the lower limit ear plate 102 and the upper limit ear plate 103, and can play a certain buffering role in both the upper and lower directions.

[0029] In a preferred embodiment, a column cap 501 is provided at the upper end of the latch column 5 , and a reinforcing rib 202 is provided at the lower end of the manhole cover 2 , and the lower end of the reinforcing rib 202 abuts against the upper end of the column cap 501 .

[0030] When the manhole cover 2 is opened, the column cap 501 can be easily pulled up to extract the latch column 5. When the manhole cover 2 is closed, the reinforcing rib 202 of the manhole cover 2 is used as a limiting mechanism for the latch column 5 to prevent the fixing sheet 301 from falling out.

[0031] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A municipal manhole cover device with an interception plate, characterized by: The invention comprises a well ring (1), an openable well cover (2) is arranged on the well ring (1), an interception plate (3) is arranged inside the well ring (1), the interception plate (3) comprises a fixed plate (301), a plurality of movable plates (302) of gradually decreasing diameters are arranged in sequence on the inner side of the fixed plate (301), the fixed plate (301) and the movable plate (302) are annular structures, a plurality of tension springs (7) are arranged circumferentially between the fixed plate (301) and the movable plate (302), a plurality of tension springs (7) are arranged circumferentially between adjacent movable plates (302), a plurality of connecting ear plates (304) are arranged circumferentially on the outer ring of the fixed plate (301), a lower limit ear plate (102) is arranged inside the well ring (1), and the lower end of the connecting ear plate (304) abuts against the lower limit ear plate (102).

2. The municipal manhole cover device with an interception plate according to claim 1 is characterized in that: The movable pieces (302) in the inner circle are successively lower than the movable pieces (302) in the outer circle in the height direction, the outer diameter of each movable piece (302) in the inner circle is larger than the inner diameter of the adjacent movable piece (302) in the outer circle, the outer diameter of the movable piece (302) in the outermost circle is smaller than the inner diameter of the fixed piece (301), and the height of the movable piece (302) in the outermost circle is lower than the fixed piece (301).

3. The municipal manhole cover device with an interception plate according to claim 1 is characterized in that: An upper limit ear plate (103) is arranged at intervals above the lower limit ear plate (102); a connecting ear plate (304) is arranged between the lower limit ear plate (102) and the upper limit ear plate (103); the lower limit ear plate (102), the upper limit ear plate (103) and the connecting ear plate (304) are all provided with latch holes and latch columns (5); the latch columns (5) pass through the lower limit ear plate (102), the upper limit ear plate (103) and the connecting ear plate (304).

4. The municipal manhole cover device with an interception plate according to claim 3 is characterized in that: A through-going buffer sleeve (6) is also provided. An annular groove (601) is provided at the center of the outer wall of the buffer sleeve (6). The annular groove (601) is engaged with the latch hole of the connecting ear piece (304). The two ends of the buffer sleeve (6) respectively abut against the lower limit ear plate (102) and the upper limit ear plate (103).

5. The municipal manhole cover device with an interception plate according to claim 3 is characterized in that: The upper end of the latch column (5) is provided with a column cap (501), the lower end of the well cover (2) is provided with a reinforcing rib (202), and the lower end of the reinforcing rib (202) abuts against the upper end of the column cap (501).

Images