Municipal drainage well lid with anti-falling function

Abstract

The utility model discloses a municipal drainage well lid with an anti-falling function, which comprises a well lid main body, movable rotating shafts are mounted on two sides of the well lid main body, a well ring is mounted on the outer wall of each movable rotating shaft, and an overturning limiting mechanism for adjusting the overturning of the well lid and preventing falling is mounted in the well ring; according to the municipal drainage well lid with the anti-falling function, when the municipal drainage well lid with the anti-falling function is used, the overturning limiting mechanism is arranged at the bottom end of the well lid, the overturning angle of the well lid can be limited according to the drainage requirement through adjustment of the overturning limiting mechanism, after the overturning angle of the well lid is limited, firstly, during drainage, the drainage efficiency can be improved, and the well lid is prevented from falling off. As long as the opening angle is not the maximum, the well lid cannot fall into a well when being treaded on the well lid, so that the well lid is safe enough and can be effectively prevented from falling when being used, the opening angle can be adjusted at will according to the drainage condition, and the practicability and the safety can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal drainage well covers with anti-falling functions, in particular to a municipal drainage well cover with an anti-falling function. Background Technique

[0002] With the acceleration of the urbanization process, as an important part of urban infrastructure, the safety of municipal drainage well covers is directly related to the life and property safety of citizens. When traditional well covers encounter extreme weather, man-made damage or natural aging, they are prone to displacement, damage or even loss, resulting in accidents where pedestrians or vehicles fall into the well from time to time. Therefore, researching and developing a municipal drainage well cover with an anti-falling function is of great significance for improving the safety of urban infrastructure.

[0003] However, most of the current municipal drainage well covers with anti-falling functions are locked to the ground during use to prevent falling accidents. Although the safety of such well covers has been improved, during drainage, especially in the plum rain season, such as frequent floods in summer, the above-mentioned well covers can only rely on their own drainage outlets for drainage. Either the well cover needs to be lifted to enhance the drainage efficiency, but it is not easy to operate after lifting the well cover, and there are great potential safety hazards.

[0004] Therefore, we propose a municipal drainage well cover with an anti-falling function to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a municipal drainage well cover with an anti-falling function. When using this municipal drainage well cover with an anti-falling function, a flip limit mechanism is arranged at the bottom end of the well cover. Through the adjustment of this mechanism, the flip angle of the well cover can be restricted according to the drainage requirements. After restricting the flip angle of the well cover, first of all, during drainage, the drainage efficiency can be improved, and as long as the opening angle is not the maximum, when stepping on it, it will not fall into the well, making it safe enough to use this well cover, effectively preventing falling, and being able to adjust the opening angle arbitrarily according to the drainage situation, ensuring both practicability and safety, so as to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A municipal drainage well cover with a fall prevention function, including a well cover body. On both sides of the well cover body, movable rotating shafts are installed, and a well ring is installed on the outer wall of the movable rotating shaft. A flipping limit mechanism for adjusting the flipping of the well cover and preventing it from falling is installed inside the well ring; the flipping limit mechanism includes a rotating torsion block arranged on the inner wall of the well ring. A threaded rod is installed at the lower end of the rotating torsion block, and a lifting cylinder is threadedly installed on the outer wall of the threaded rod. A support ring is fixedly installed on the outer wall of the lifting cylinder, and a limiting lifting rod is arranged at the upper end of the support ring. An extension plate is also installed at the bottom end of the lifting cylinder, and a support sleeve is arranged at the front end of the extension plate. A support spring is installed inside the inner wall of the support sleeve, and a support block is arranged at the upper end of the support spring.

[0008] In a further embodiment, there are two symmetrical rotating torsion blocks, so there are also two symmetrical flipping limit mechanisms, at the front and rear ends of the bottom end of the well cover body.

[0009] In a further embodiment, circular sliding grooves are provided at both ends of the well ring, and the rotating torsion blocks are movably embedded in the sliding grooves.

[0010] In a further embodiment, the internally extended part of the limiting lifting rod is fixedly installed on the support ring, and the externally fixed part is fixedly installed on the well ring.

[0011] In a further embodiment, the support block is arranged on the bottom surface of the well cover body and is in contact with the well cover body.

[0012] In a further embodiment, when the support sleeve rises to the highest position, its upper end is in contact with the well cover body.

[0013] In a further embodiment, when the support sleeve rises to the highest position, the support spring is retracted inside the inner wall of the support sleeve and slowly unfolds as the support sleeve descends.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] In the present utility model, when using the municipal drainage well cover with a fall prevention function, a flipping limit mechanism is provided at the bottom end of the well cover. Through the adjustment of this mechanism, the flipping angle of the well cover can be restricted according to the drainage requirements. After restricting the flipping angle of the well cover, firstly, during drainage, the drainage efficiency can be improved, and as long as the opening angle is not the maximum, when stepped on, it will not fall into the well, making the use of this well cover safe enough, effectively preventing falls, and being able to adjust the opening angle arbitrarily according to the drainage situation, ensuring both practicality and safety. Description of the Drawings

[0016] Figure 1Schematic diagram of the overall structure of a municipal drainage well cover with a function of preventing falling

[0017] Figure 2 Schematic diagram of the structure at the well cover main body of a municipal drainage well cover with a function of preventing falling

[0018] Figure 3 Schematic diagram of the structure at the lifting cylinder of a municipal drainage well cover with a function of preventing falling

[0019] Figure 4 Schematic diagram of the side view structure at the support sleeve of a municipal drainage well cover with a function of preventing falling

[0020] In the figure: 1. Well cover main body; 2. Well ring; 3. Rotating torsion block; 4. Support block; 5. Movable rotating shaft; 6. Threaded rod; 7. Lifting cylinder; 8. Support ring; 9. Limit lifting rod; 10. Extension plate; 11. Support sleeve; 12. Support spring. Specific implementation mode

[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4 , a municipal drainage well cover with a fall prevention function, including a well cover main body 1, which is set as a disc-shaped well cover in the figure and can also be replaced with a square well cover according to actual needs during actual use. The well cover main body 1 is installed on the well ring 2 through movable rotating shafts 5 arranged on both sides, so that the well cover main body 1 can be flipped freely on the well ring 2;

[0025] Two flipping limit mechanisms are arranged on the well ring 2. When in use, the well cover main body 1 is restricted by these mechanisms, so that it can only be flipped under the restriction of these mechanisms to improve safety;

[0026] In this mechanism, it is rotatably installed in the inner wall of the well ring 2 through a rotatable rotating torsion block 3. At the same time, the entire mechanism is stably installed on the well ring 2 through a limit lifting rod 9. When in use, first, the support sleeve 11 in the mechanism sleeved the support block 4 inside the inner wall and contacted the bottom of the well cover main body 1 at the same time. At this time, the well cover main body 1 was locked to prevent the well cover from flipping. When flipping, there are two such flipping mechanisms. According to the flipping direction desired, start the flipping limit mechanism in this direction. First, insert a special key into the jack in the inner wall of the rotating torsion block 3 and twist the rotating torsion block 3. At this time, the rotating torsion block 3 will drive the lower threaded rod 6 to rotate. An elevating cylinder 7 is threadedly connected to the outer wall of the threaded rod 6. The elevating cylinder 7 is installed with a limit lifting rod 9 through a support ring 8 arranged on the outer wall. Since the limit lifting rod 9 is fixedly installed on the well ring 2, due to the characteristics of threaded connection, at this time, the elevating cylinder 7 is restricted from rotating. After the rotating threaded rod 6 rotates, it will push the elevating cylinder 7 to move up and down. During the up and down movement of the elevating cylinder 7, the limit lifting rod 9 will also follow and expand and contract for continuous restriction;

[0027] After the lifting cylinder 7 drops, an extension plate 10 is provided at the lower end of the lifting cylinder 7 at this time. A support sleeve 11 is installed at the front section of the extension plate 10, and the support sleeve 11 will also follow and drop. After the support sleeve 11 drops, a support spring 12 is arranged inside it. The support spring 12 itself is in a tightened state and gradually starts to relax as the support sleeve 11 drops, pushing the support block 4 to support the manhole cover body 1 from the lower end to prevent the manhole cover body 1 from automatically flipping. When flipping, a force needs to be applied from the upper end of the manhole cover body 1. At this time, after the manhole cover body 1 is stressed, it rotates on the well ring 2 through the movable rotating shaft 5. At this time, after the support block 4 is stressed at the upper end, it drives the support spring 12 to contract, assisting the manhole cover body 1 to flip. When the stress is over, the manhole cover body 1 then rises through the support spring 12 to return to its original state. When a larger flipping angle is required, the support sleeve 11 needs to continue to drop. When it drops to the bottom end, at this time the support spring 12 can no longer support the manhole cover body 1, and the manhole cover body 1 can be flipped 90 degrees. Therefore, the dropping distance of the support sleeve 11 determines the flipping angle and the opening size to meet various drainage requirements. However, even when flipped to 90 degrees, when stepped on, it will not fall into the well.

[0028] The working principle of the present utility model is as follows: As shown in the figure, it includes a manhole cover body 1, and the manhole cover body 1 is set as a disc manhole cover in the figure. In actual use, it can also be replaced with a square manhole cover according to requirements. And the manhole cover body 1 is installed on the well ring 2 through the movable rotating shafts 5 arranged on both sides, so that the manhole cover body 1 can flip freely on the well ring 2;

[0029] Two flipping limit mechanisms are arranged on the well ring 2. When in use, the manhole cover body 1 is restricted by the flipping limit mechanisms, so that it can only flip under the restriction of the mechanisms to improve safety;

[0030] In this mechanism, a rotatable rotating torsion block 3 is rotatably installed in the inner wall of the well ring 2. At the same time, the entire mechanism is stably installed on the well ring 2 through the limit lifting rod 9. When in use, first, the support sleeve 11 in the mechanism sleeved the support block 4 inside the inner wall and contacted the bottom of the manhole cover body 1 at the same time. At this time, the manhole cover body 1 is locked to prevent the manhole cover from flipping. When flipping, there are two such flipping mechanisms. According to the flipping direction desired, start the flipping limit mechanism in this direction. First, insert a special key into the jack in the inner wall of the rotating torsion block 3 and twist the rotating torsion block 3. At this time, the rotating torsion block 3 will drive the lower threaded rod 6 to rotate. And a lifting cylinder 7 is threadedly connected to the outer wall of the threaded rod 6. The lifting cylinder 7 is installed with a limit lifting rod 9 through the support ring 8 arranged on the outer wall. Since the limit lifting rod 9 is fixedly installed on the well ring 2, due to the characteristic of threaded connection, at this time the lifting cylinder 7 is restricted from rotating, and the rotating threaded rod 6 will push the lifting cylinder 7 to lift and lower during rotation. During the lifting and lowering process of the lifting cylinder 7, the limit lifting rod 9 will also follow and expand and contract for continuous restriction;

[0031] After the lifting cylinder 7 drops, an extension plate 10 is provided at the lower end of the lifting cylinder 7 at this time. A support sleeve 11 is installed at the front section of the extension plate 10, and the support sleeve 11 will also follow and drop. After the support sleeve 11 drops, a support spring 12 is arranged inside it. The support spring 12 itself is in a tightened state and gradually starts to relax as the support sleeve 11 drops, pushing the support block 4 to support the manhole cover body 1 from the lower end to prevent the manhole cover body 1 from automatically flipping. When flipping, a force needs to be applied from the upper end of the manhole cover body 1. At this time, after the manhole cover body 1 is stressed, it rotates on the manhole ring 2 through the movable rotating shaft 5. At this time, after the support block 4 is stressed at the upper end, it drives the support spring 12 to contract, assisting the manhole cover body 1 to flip. When the stress is over, the manhole cover body 1 rises through the support spring 12 and returns to its original state. When a larger flipping angle is required, the support sleeve 11 needs to continue to drop. When it drops to the bottom end, at this time the support spring 12 can no longer support the manhole cover body 1, and the manhole cover body 1 can be flipped 90 degrees. Therefore, the dropping distance of the support sleeve 11 determines the flipping angle and the opening size to meet various drainage requirements. However, even when flipped to 90 degrees and stepped on, it will not fall into the well.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0033] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A municipal drainage manhole cover with a function of preventing falling, characterized in that: It includes a manhole cover body (1). On both sides of the manhole cover body (1), movable rotating shafts (5) are installed. On the outer wall of the movable rotating shaft (5), a manhole ring (2) is installed. A turning limit mechanism for adjusting the turning of the manhole cover and preventing it from falling is installed inside the manhole ring (2). The turning limit mechanism includes a rotating torsion block (3) arranged on the inner wall of the manhole ring (2). At the lower end of the rotating torsion block (3), a threaded rod (6) is installed. On the outer wall of the threaded rod (6), a lifting cylinder (7) is threadedly installed. On the outer wall of the lifting cylinder (7), a support ring (8) is fixedly installed. At the upper end of the support ring (8), a limit lifting rod (9) is arranged. At the bottom end of the lifting cylinder (7), an extension plate (10) is also installed. At the front end of the extension plate (10), a support sleeve (11) is arranged. Inside the inner wall of the support sleeve (11), a support spring (12) is installed. At the upper end of the support spring (12), a support block (4) is arranged.

2. The municipal drainage well cover with a function of preventing falling according to claim 1, wherein: There are two symmetrically arranged rotating torsion blocks (3), so there are also two symmetrically arranged turning limit mechanisms, at the front and rear ends of the bottom end of the manhole cover body (1).

3. The municipal drainage well cover with a function of preventing falling according to claim 1, characterized in that: At both ends of the manhole ring (2), circular chutes are arranged, and the rotating torsion block (3) is movably embedded in the chutes.

4. The municipal drainage well cover with a function of preventing falling according to claim 1, characterized in that: The extended part inside the limit lifting rod (9) is fixedly installed on the support ring (8), and the externally fixed part is fixedly installed on the manhole ring (2).

5. The municipal drainage well cover with a function of preventing falling according to claim 1, characterized in that: The support block (4) is arranged on the bottom surface of the manhole cover body (1) and is in contact with the manhole cover body (1).

6. The municipal drainage well cover with a function of preventing falling according to claim 1, wherein: When the support sleeve (11) rises to the highest position, its upper end is in contact with the manhole cover body (1).

7. The municipal drainage well cover with a function of preventing falling according to claim 1, characterized in that: When the support sleeve (11) rises to the highest position, the support spring (12) is retracted in the inner wall of the support sleeve (11) and slowly unfolds as the support sleeve (11) falls.

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