Rainwater well lid capable of preventing backflow and spewing
By designing rainwater well covers that prevent backflow and gushing, and utilizing buoyancy and magnetic attraction to achieve a stable seal on the floating plate, the problem of backflow prevention in well covers is solved, improving the efficiency and safety of well cover use.
Patent Information
- Application Number
- CN202423306902.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing manhole covers do not have backflow prevention function, and rainwater can easily flow back out of the manhole cover, affecting the urban environment.
A rainwater well cover designed to prevent backflow and gushing is constructed by using a structure consisting of a fixing ring, cover plate, intercepting net, float plate, telescopic rod, limiting rod, and magnet. The float plate is stably sealed by buoyancy and magnetic attraction, thus preventing rainwater backflow.
By incorporating limit rods, inclined blocks, and magnets, a stable seal is achieved on the floating plate, preventing rainwater backflow and improving the efficiency and safety of the manhole cover.
Smart Images

Figure CN223689044U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to anti -inverted flood device technical field more specifically, relate to a rainwater well lid of preventing inverted flood spouting. BACKGROUND
[0002] Well lid is used for covering road or home deep well, prevents people or object from falling, can be divided into metal well lid, high strength fiber cement concrete well lid and resin well lid etc.
[0003] But the existing well lid has the following problems when using:
[0004] When using, it does not have the function of preventing inverted flood, when the capacity in the water well is filled with rainwater, rainwater will be inverted flood to the well lid outside, which brings bad influence to the city, cannot satisfy the demand of city use, is inconvenient to use, reduces the use efficiency and use effect of well lid.
[0005] The utility model can play the role of preventing rainwater inverted flood and anti -skid. UTILITY MODEL CONTENT
[0006] The utility model aims at solving the technical problem in the above background art, and provides a rainwater well lid capable of preventing inverted flood spouting.
[0007] To achieve the above object, the utility model provides the following technical scheme: a rainwater well lid capable of preventing inverted flood spouting, comprising: a fixed ring, a cover plate is arranged in the middle of the fixed ring; a cutoff net is arranged below the cover plate; a connecting well is fixedly connected to the bottom of the fixed ring; an extension rod is arranged in the connecting well; and a floating plate is arranged below the connecting well.
[0008] Further preferred scheme: a connecting port is arranged on the upper end of the inner wall of the fixed ring; a plurality of fixing holes are arranged on the upper end of the fixed ring; a plurality of clamping grooves are arranged on the upper end of the inner wall of the fixed ring; and the fixed ring is connected to the cover plate through the connecting port and the clamping grooves.
[0009] Further preferred scheme: a slot is arranged in the connecting well; the extension rod is fixedly connected to the inside of the slot; the base of the extension rod is connected to the bottom of the fixed ring; auxiliary rollers are arranged on the inner walls of the left and right ends of the slot; the rotating parts of the auxiliary rollers extend out of the inner wall of the slot; an inclined block is fixedly connected to the inner wall of the connecting well; and the inclined block is below the cutoff net.
[0010] Further preferred: one end of the cover plate is fixedly connected with a connecting block, the connecting block is matched with the connecting port, the upper end of the cover plate is provided with a plurality of water inlet pipes, the upper end of the water inlet pipe is provided with a filter screen, the outer surface of the cover plate is fixedly connected with a plurality of clamping blocks, the clamping blocks are matched with the clamping grooves, and the surface of the cover plate is provided with anti-skid strips.
[0011] Further preferred: the bottom of the intercepting net is provided with a magnet one, and the magnet one is any one of positive and negative poles.
[0012] Further preferred: the upper end of the floating plate is fixedly connected with a limiting rod on the left and right sides, the limiting rod is matched with the insertion slot in the connecting well, the limiting rod is nested with the output end of the telescopic rod, and the outer surface of the limiting rod is movably connected with the auxiliary roller in the insertion slot.
[0013] Further preferred: the upper end of the floating plate is provided with a limiting block in the middle, the limiting block is consistent with the connecting well in diameter, the inclined end provided at the upper end of the limiting block is matched with the inclined block of the inner wall of the connecting well, the upper end of the limiting block is provided with a magnet two, the magnet two is any one of positive and negative poles, and is matched with the magnet one at the bottom of the intercepting net.
[0014] Beneficial effects:
[0015] 1. By setting the auxiliary roller, magnet one and magnet two, the floating plate is moved upward by the buoyancy, when the floating plate moves upward, the limiting rod moves upward in the insertion slot through the auxiliary roller, when the floating plate moves to the inside of the connecting well, the distance between the magnet one and the magnet two gradually decreases, the attraction gradually increases, the attraction between the magnets increases, the floating plate is more stable in the connecting well, and the floating plate seals the connecting well by matching the buoyancy at the bottom, preventing rainwater from flowing upward from the well cover.
[0016] 2. By setting the filter screen and the intercepting net, when the rainwater flows from top to bottom, the filter screen first filters some large impurities, preventing impurities and garbage from blocking the water inlet pipe, when the rainwater enters the connecting well through the water inlet pipe, the intercepting net performs secondary filtration, and finally remains at the bottom of the well cover, when the rainwater rises upward, part of the rainwater may shake above the sealing plate during the upward sealing process of the floating plate, at this time, the rainwater will be intercepted by the intercepting net, so that the rainwater is blocked by the intercepting net and falls downward again instead of flowing upward from the well cover.
[0017] 3. The rainwater well cover capable of preventing backflow and gushing, by setting the limiting rod, limiting block, inclined block and magnet, when the floating plate is floated upward by the buoyancy, the limiting rod is moved upward in the insertion slot through the auxiliary roller, the limiting of the limiting rod makes the floating plate move upward more stably and deviation does not occur, when the floating plate is moved upward to the inside of the connecting well, the floating plate can be better embedded in the connecting well through the inclination angle of the limiting block, and when the limiting block is attached to the inclined block, the distance between the magnets is minimum and the attraction is highest, the floating plate realizes sealing to the connecting well through the cooperation of the buoyancy, and the bottom rainwater is prevented from backflowing upward from the well cover. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the whole structure schematic diagram of the utility model.
[0019] Figure 2 It is the cover plate structure schematic diagram of the utility model.
[0020] Figure 3 It is the whole plane structure schematic diagram of the utility model.
[0021] Figure 4 It is the auxiliary roller structure schematic diagram of the utility model.
[0022] Figures 1-4 1, fixed ring, 101, connecting well, 102, connecting port, 103, fixed hole, 104, clamping groove, 105, insertion slot, 106, auxiliary roller, 107, inclined block, 2, cover plate, 201, connecting block, 202, water inlet pipe, 203, filter screen, 204, clamping block, 205, antiskid strip, 3, intercepting net, 301, magnet one, 4, telescopic rod, 5, floating plate, 501, limiting rod, 502, limiting block, 503, magnet two. DETAILED DESCRIPTION
[0023] The utility model embodiments will be described below with reference to the accompanying drawings. Figures 1-4 The technical solutions in the utility model embodiments are clearly and completely described.
[0024] Please refer to Figures 1-4The utility model discloses an embodiment of preventing the rainwater well lid of pouring and spouting, include: fixed ring 1, the middle part of fixed ring 1 is provided with cover plate 2, cover plate 2 below is provided with intercepting net 3, and the bottom fixed connection of fixed ring 1 has connecting well 101, and the inside of connecting well 101 is provided with telescopic link 4, and connecting well 101 below is provided with floating plate 5, and the inside of fixed ring 1 will cover plate 2 embed downwards, through the matching setting between connecting port 102, connecting block 201, clamping block 204 and card slot 104, make cover plate 2 card in fixed ring 1, and when fixing cover plate 2, intercepting net 3 is fixed at the bottom of cover plate 2, and the output end of telescopic link 4 is embedded in the limiting rod 501 of floating plate 5 upper end in the connecting well 101 of fixed ring 1 bottom, complete the connection of floating plate 5, then cover plate 2 is covered in fixed ring 1, and fixed ring 1 is fixed on the road surface, and the installation of well lid is completed.
[0025] The utility model discloses a fixed ring 1 inner wall upper end is equipped with the connecting mouth 102, is equipped with a plurality of fixed holes 103 to fixed ring 1 upper end, is equipped with a plurality of clamping slot 104 to fixed ring 1 inner wall upper end, and fixed ring 1 is connected with cover plate 2 through connecting mouth 102 and clamping slot 104, and the inside of connecting well 101 is equipped with the slot 105, and the inside fixed connection of slot 105 has telescopic link 4, and the base of telescopic link 4 is connected with the bottom of fixed ring 1, and the inside wall of both ends of slot 105 is evenly provided with auxiliary roll 106, and the rotating part of auxiliary roll 106 all stretches out slot 105 inside wall, and the inside fixed connection of connecting well 101 inside wall has inclined block 107, and inclined block 107 is below intercepting net 3, and one end fixed connection of cover plate 2 has connecting block 201, and connecting block 201 is set up in pairs with connecting mouth 102, and the upper end of cover plate 2 is provided with a plurality of water inlet pipe 202, and the upper end of water inlet pipe 202 is provided with screen 203, and the outer surface fixed connection of cover plate 2 has a plurality of clamping blocks 204, and clamping block 204 is set up in pairs with clamping slot 104, and the surface of cover plate 2 is provided with antiskid strip 205, when installing cover plate 2 in fixed ring 1, make clamping block 204 and connecting block 201 all embed in clamping slot 104 and connecting mouth 102, then fix connecting block 201 with connecting mouth 102 through bolt, simultaneously make clamping slot 104 carry out clamping position limit to clamping block 204, prevent cover plate 2 from bouncing up and sliding from fixed ring 1, after installing cover plate 2, rainwater will flow into connecting well 101 through water inlet pipe 202, and screen 203 filters rainwater, prevents large garbage impurities such as stone branch from entering connecting well 101, when fixing fixed ring 1, overturn fixed ring 1, set up slot 105 to the inside of connecting well 101, set up telescopic link 4 in slot 105, then insert the limiting rod 501 on floating plate 5 into the inside of slot 105, embed the output end of telescopic link 4 in limiting rod 501 on floating plate 5, make floating plate 5 be limited by telescopic link 4, not directly separate from slot 105, after completing the connection of telescopic link 4 to floating plate 5, install fixed ring 1 on the ground, make the well lid can be put into use, prevent backflow to rainwater, simultaneously antiskid strip 205 can make the friction between people and well lid increase, prevent the effect of slipping down.
[0026] In this embodiment of the utility model, a magnet 301 is provided at the bottom of the intercepting net 3, and the magnet 301 can be either positive or negative. Limiting rods 501 are fixed to both the left and right sides of the upper end of the float 5. The limiting rods 501 are matched with the slots 105 in the connecting well 101. The limiting rods 501 are nested with the output end of the telescopic rod 4. The outer surface of the limiting rods 501 is movably connected to the auxiliary rollers 106 in the slots 105. A limiting block 502 is provided in the middle of the upper end of the float 5. The diameter of the limiting block 502 is the same as that of the connecting well 101. The upper end of the limiting block 502 is provided with... The inclined end of the limit block 502 is matched with the inclined block 107 on the inner wall of the connecting well 101. A magnet 503 is provided on the upper end of the limit block 502. The magnet 503 can be either positive or negative and is compatible with the magnet 301 at the bottom of the intercepting net 3. In rainy weather, rainwater enters the connecting well 101 through the inlet pipe 203 and flows downward continuously. When there is too much rainwater, the buoyancy of the water causes the float plate 5 to move upward. The auxiliary roller 106 makes it easier for the limit rod 501 to move upward. The telescopic rod 4 ensures that the limit rod 501 will not deviate when it moves upward. As the floating plate 5 continues to move upward, the limiting block 502 seals the bottom of the connecting well 101 when it enters the bottom. The upper inclination of the limiting block 502 engages with the inclined block 107 on the inner wall of the connecting well 101. During this engagement, the distance between magnet 301 and magnet 503 gradually decreases, increasing the magnetic attraction and generating suction. This makes the floating plate 5 more firmly attached to the connecting well 101, preventing rainwater from overflowing the well cover. As the water at the bottom of the floating plate 5 gradually flows away and the buoyancy decreases, magnet 301... The attraction of the two magnets 503 is insufficient to support the float 5 to remain in contact with the connecting well 101. As the water inside the intercepting net 3 continues to flow downward, the buoyancy of the float 5 decreases. The decrease in buoyancy will reduce the force on the float 5, so the float 5 will gradually fall downward. The limiting rod 501 will slide downward through the auxiliary roller 106, thereby causing the magnets to move away from each other and the attraction between the magnets to gradually decrease until it disappears. At this time, the float 5 will completely detach from the connecting well 101, realizing the unclosed state of the connecting well 101, so that the well cover can continue to drain water downward.
[0027] Working principle: when the rain flows down in the well lid, it flows to the connecting well 101 through the water inlet pipe 202, in the process of flowing, the filter screen 203 performs preliminary filtration on the rain, the filtered rain is filtered again by the intercepting net 3 when flowing down, and flows down from the connecting well 101, when the rain is excessive, the rain surges downward in the connecting well 101 and preliminarily contacts the floating plate 5, the generated buoyancy makes the floating plate 5 rise, and the floating plate 5 is limited by the limiting rod 501 and the telescopic rod 4, so that when floating upward, the phenomenon of deviation does not occur, when the floating plate 5 floats upward, the limiting rod 501 slides upward in the insertion slot through the auxiliary roller 106, at this time the telescopic rod 4 contracts upward, ensuring that the floating plate 5 can float upward, when the floating plate 5 floats upward to the bottom of the connecting well 101, the upper end of the limiting block 502 is inclined, and it is more smooth when entering the inside of the connecting well 101, when the floating plate 5 floats upward to the bottom of the connecting well 101, the upper end of the limiting block 502 is attached to the inclined block 107, at this time the distance between the magnet two 503 and the magnet one 301 gradually decreases through the upward floating of the floating plate 5, the attraction between them increases, the tightness between the floating plate 5 and the connecting well 101 is improved, so that the rain below cannot flow upward from the well lid, when the bottom rain gradually flows away, the buoyancy gradually decreases, the downward movement of the bottom of the floating plate 5 is caused by the decrease of the buoyancy, the two magnets between which the attraction is increased due to the upward floating of the floating plate 5 will gradually separate, and because the magnets are not completely attracted together, the attraction between the magnets will be affected when the buoyancy decreases, with the continuous downward movement of the floating plate 5, the attraction between the magnets gradually disappears, the limiting rod 501 slides downward through the auxiliary roller 106 in the insertion slot 105, so that the floating plate 5 returns to the original position, and because the output end of the telescopic rod 4 is embedded in the limiting rod 501, when the limiting rod 501 slides downward, it will not completely separate from the insertion slot 105, but will be limited by the telescopic rod 4 and stop in the insertion slot 105, and continue to move in the insertion slot 105 with the next rain rising.
Claims
1. A stormwater pit lid that prevents backflow geyser, comprising: The utility model provides a fixed circle (1), the fixed circle (1) middle part is provided with cover (2), the cover (2) below is provided with intercepting net (3), it is characterized in that: the fixed circle (1) bottom fixedly connected with connecting well (101), the connecting well (101) inside is provided with telescopic link (4), the connecting well (101) below is provided with floating plate (5).
2. A rainwater well lid preventing backflow gushing according to claim 1, characterized in that: The fixed circle (1) inner wall upper end is provided with connecting port (102), the fixed circle (1) upper end is provided with a plurality of fixed holes (103), the fixed circle (1) inner wall upper end is provided with a plurality of clamping grooves (104), and the fixed circle (1) is connected with the cover (2) through the connecting port (102) and the clamping groove (104).
3. A rainwater well lid preventing backflow gushing according to claim 2, characterized in that: The connecting well (101) is internally provided with a slot (105), the slot (105) is fixedly connected with the telescopic link (4), the telescopic link (4) base is connected with the fixed circle (1) bottom, the slot (105) left and right two end inner walls are provided with auxiliary rollers (106), the auxiliary rollers (106) rotating parts all stretch out the slot (105) inner wall, the connecting well (101) inner wall is fixedly connected with an inclined block (107), and the inclined block (107) is below the intercepting net (3).
4. A rainwater well lid preventing backflow gushing according to claim 2, characterized in that: One end of the cover (2) is fixedly connected with a connecting block (201), the connecting block (201) is matched with the connecting port (102), the cover (2) upper end is provided with a plurality of water inlet pipes (202), the water inlet pipe (202) upper end is provided with a filter screen (203), the cover (2) outer surface is fixedly connected with a plurality of clamping blocks (204), the clamping block (204) is matched with the clamping groove (104), and the cover (2) surface is provided with an antiskid strip (205).
5. A rainwater well lid preventing backflow gushing according to claim 1, characterized in that: The intercepting net (3) bottom is provided with a magnet (301), and the magnet (301) is any one of positive and negative poles.
6. A rainwater well lid preventing backflow gushing according to claim 1, characterized in that: The floating plate (5) upper end left and right sides are fixedly connected with limit rods (501), the limit rod (501) is matched with the slot (105) in the connecting well (101), the limit rod (501) is nested with the telescopic link (4) output end, and the limit rod (501) outer surface is movably connected with the auxiliary roller (106) in the slot (105).
7. A rainwater well lid preventing backflow gushing according to claim 6, characterized in that: The floating plate (5) upper end middle part is provided with a limiting block (502), the limiting block (502) diameter is consistent with the connecting well (101), the inclined end provided on the limiting block (502) upper end is matched with the inclined block (107) in the connecting well (101) inner wall, the limiting block (502) upper end is provided with a magnet (503), the magnet (503) is any one of positive and negative poles, and is matched with the magnet (301) at the intercepting net (3) bottom.