A municipal rainwater overflow well

Abstract

The present application relates to a municipal rainwater overflow well, including a drainage well and a well cover, the well cover including a detachable cover plate; a sewage interception structure is arranged in the drainage well, the sewage interception structure includes a primary sewage interception plate and a secondary sewage interception plate which are lifted and connected in the drainage well, and a receiving groove for accommodating the primary sewage interception plate is provided on the upper part of the side wall of the drainage well; a positioning plate is movably connected to the offset part of the upper part of the side wall of the drainage well and the receiving groove through a spring, and the raised primary sewage interception plate and the secondary sewage interception plate are respectively placed on the positioning plate. The present application uses the primary sewage interception plate to intercept larger debris such as stones and branches, and the secondary sewage interception plate to intercept smaller garbage such as gravel, so as to improve the treatment effect of preventing garbage deposition; by lifting and lowering the primary sewage interception plate and the secondary sewage interception plate in the drainage well, the cleaning of the primary sewage interception plate and the secondary sewage interception plate can be made more convenient by opening the detachable cover plate.

Description

Technical Field

[0001] The present application relates to the technical field of rainwater drainage, and in particular to a municipal rainwater overflow well. Background Art

[0002] Urban waterlogging not only affects urban traffic operations, but also poses a threat to people's lives and property. Therefore, overflow wells are usually designed to adjust drainage flow according to rainfall. Existing overflow wells are mainly composed of well pipes and tetrahedral filter shell covers. The overflow wells are buried underground, and the tetrahedral filter shell covers protrude from the road surface.

[0003] With respect to the above-mentioned related technologies, the applicant believes that the current rainwater overflow well still needs to be improved because the installation of the filter shell cover makes it difficult to clean the filter screen in the overflow well. Utility Model Content

[0004] In order to make the filter screen in the overflow well easier to clean, the present application provides a municipal rainwater overflow well.

[0005] The municipal rainwater overflow well provided in this application adopts the following technical solution:

[0006] A municipal rainwater overflow well comprises a drainage well and a well cover, wherein the well cover comprises a detachable cover plate; a sewage interception structure is arranged in the drainage well, wherein the sewage interception structure comprises a primary sewage interception plate and a secondary sewage interception plate installed in the drainage well, wherein the primary sewage interception plate is located above the secondary sewage interception plate and has a larger aperture; the primary sewage interception plate and the secondary sewage interception plate are connected in a lifting manner in the drainage well, and an accommodating groove for accommodating the primary sewage interception plate is provided on the upper part of the side wall of the drainage well; a positioning plate is movably connected to the upper part of the side wall of the drainage well at a position offset from the accommodating groove by a spring, and the raised primary sewage interception plate and the secondary sewage interception plate are respectively placed on the positioning plate.

[0007] By adopting the above technical scheme, the first-level sewage interception board intercepts larger stones, branches and other debris, and the second-level sewage interception board intercepts smaller gravel and other garbage, thereby improving the treatment effect of preventing garbage deposition; by raising and lowering the first-level sewage interception board and the second-level sewage interception board in the drainage pipe shaft, the cleaning of the first-level sewage interception board and the second-level sewage interception board can be made more convenient by opening the detachable cover.

[0008] Preferably, the manhole cover also includes a supporting cover body for supporting a cover plate; a sealing plate closed in the accommodating groove is installed on the side wall of the drainage pipe well, and a locking structure for locking the sealing plate is provided on the cover plate; the locking structure includes an extension rod that is passed through and lifted and connected to the cover plate and a positioning rod fixed to the lower part of the extension rod, the lower part of the extension rod extends obliquely toward the sealing plate, and the positioning rod is inserted and positioned on the sealing plate.

[0009] By adopting the above technical solution, the cover plate can be detached from the supporting cover body so that the cover plate can be opened, which is convenient for cleaning the primary sewage interception plate and the secondary sewage interception plate; the sealing plate closes the receiving groove when not in use to prevent water from entering, and the locking structure is connected to the cover plate by an extension rod, which has higher stability. The insertion of the positioning rod realizes the positioning of the sealing plate, thereby improving the stability of the sealing plate closed in the receiving groove.

[0010] Preferably, the locking structure also includes a locking rod bent and extended from the upper portion of the extension rod and a latch movably connected to one side of the locking rod, the bottom of the locking rod is inserted and positioned on the support cover, and the latch is vertically inserted into the side wall of the locking rod.

[0011] By adopting the above technical solution, the positioning rod formed at the lower part of the extension rod locks the sealing plate, and the locking rod formed at the upper part positions the cover plate, so that the overall structure has stronger linkage. When the cover plate is opened, the sealing plate can be unlocked at the same time.

[0012] Preferably, the primary sewage interception plate and the secondary sewage interception plate are both formed by symmetrical filter plates fixed by magnetic attraction and arranged opposite to each other; the primary sewage interception plate and the secondary sewage interception plate slide on the side wall of the drainage pipe well through a sliding structure.

[0013] By adopting the above technical solution, the relatively arranged primary sewage interception plate and secondary sewage interception plate are easier to install.

[0014] Preferably, the sliding structure includes a guide plate, a support plate and a mounting plate, the guide plate is provided with a stepped groove, the support plate is fixed to one side of the primary sewage interception plate, and the mounting plate is fixed to one side of the secondary sewage interception plate; a lifting groove is provided below the side wall of the guide plate, the mounting plate is lifted and lowered along the lifting groove and can be abutted and positioned at the bottom of the lifting groove; a limiting groove is provided above the side wall of the guide plate, the support plate is inserted into and lifted and lowered in the limiting groove, and the support plate can be abutted and positioned at the bottom of the limiting groove.

[0015] By adopting the above technical scheme, the stepped grooves of the upper limit groove and the lifting groove on the guide plate are respectively provided for the lifting and lowering of the primary sewage interception plate and the secondary sewage interception plate without affecting each other; the primary sewage interception plate is positioned by abutting the limit groove with the support plate; the secondary sewage interception plate is positioned by abutting the lifting groove with the mounting plate.

[0016] Preferably, a mounting groove for accommodating the cover plate is provided on the support cover body; annular rings for holding are formed at both ends of the cover plate.

[0017] By adopting the above technical solution, the installation groove prevents the cover plate from protruding from the supporting cover body; the annular ring makes it easier to hold and open the cover plate.

[0018] Preferably, a sealing plate is fixed circumferentially to the side wall of the sealing plate.

[0019] By adopting the above technical solution, on the one hand, the sealing plate is used to seal the surrounding areas of the sealing plate to prevent water from entering the accommodating groove; on the other hand, the sealing plate is used to increase the friction between the sealing plate and the side wall of the drainage pipe well, thereby improving the installation stability.

[0020] In summary, the present application includes at least one of the following beneficial technical effects:

[0021] 1. The primary interception board intercepts larger stones, branches and other debris, while the secondary interception board intercepts smaller gravel and other garbage, thereby improving the treatment effect of preventing garbage deposition; the primary interception board and the secondary interception board can be raised and lowered in the drainage well, and the detachable cover can be opened to make the cleaning of the primary interception board and the secondary interception board more convenient;

[0022] 2. The cover plate can be detached from the supporting cover body, so that the cover plate can be opened to facilitate cleaning of the primary and secondary sewage interception plates; the sealing plate closes the receiving slot when not in use to prevent water from entering; the extension rod is connected to the cover plate, and the positioning rod formed at the lower part of the extension rod locks the sealing plate, and the locking rod and the latch formed at the upper part cooperate to position the cover plate, so that the overall structure has stronger linkage, and when the cover plate is opened, the sealing plate can be unlocked at the same time;

[0023] 3. The stepped grooves of the upper limit groove and the lifting groove on the guide plate are respectively provided for the lifting and lowering of the primary sewage interception plate and the secondary sewage interception plate without affecting each other; the primary sewage interception plate is positioned by abutting the limit groove with the support plate; the secondary sewage interception plate is positioned by abutting the lifting groove with the mounting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application;

[0025] Figure 2 This is a schematic diagram of the cross-sectional structure of the overflow well with half of the primary sewage interception plate hidden in the embodiment of the present application;

[0026] Figure 3 It is a schematic diagram of a partial cross-sectional structure highlighting the extension rod, positioning rod and locking rod of an embodiment of the present application.

[0027] Explanation of the reference numerals in the accompanying drawings: 1. Drainage well; 11. Accommodating groove; 12. Positioning plate; 2. Well cover; 21. Cover plate; 22. Support cover body; 3. Sewage interception structure; 31. Primary sewage interception plate; 32. Secondary sewage interception plate; 4. Sliding structure; 41. Guide plate; 42. Support plate; 43. Mounting plate; 5. Lifting groove; 6. Limiting groove; 7. Sealing plate; 8. Locking structure; 81. Extension rod; 82. Positioning rod; 83. Locking rod; 84. Latch. DETAILED DESCRIPTION

[0028] The present application is further described in detail below in conjunction with the accompanying drawings.

[0029] The present application embodiment discloses a municipal rainwater overflow well, referring to Figure 1 , 2 , including a drainage pipe well 1 and a well cover 2. A sewage interception structure 3 is provided in the drainage pipe well 1. The sewage interception structure 3 includes a primary sewage interception plate 31 and a secondary sewage interception plate 32 installed in the drainage pipe well 1. The primary sewage interception plate 31 is located above the secondary sewage interception plate 32 and the aperture of the primary sewage interception plate 31 is larger. The primary sewage interception plate 31 and the secondary sewage interception plate 32 are used to grade and intercept garbage of different sizes, thereby improving the treatment effect of preventing garbage deposition.

[0030] Reference Figure 1 , 2 The manhole cover 2 includes a detachable cover plate 21 and a supporting cover body 22 supporting the cover plate 21. The supporting cover body 22 is provided with a mounting groove for accommodating the cover plate 21 to prevent the cover plate 21 from protruding from the supporting cover body 22. The cover plate 21 can be disassembled for daily cleaning of larger garbage trapped on the primary sewage interception plate 31.

[0031] Reference Figure 1 , 2 The primary sewage interception plate 31 and the secondary sewage interception plate 32 are both formed by symmetrical filter plates fixed by magnetic attraction and arranged opposite to each other; the primary sewage interception plate 31 and the secondary sewage interception plate 32 are connected to the side wall of the drainage pipe well 1 by a sliding structure 4, so that the primary sewage interception plate 31 and the secondary sewage interception plate 32 can be moved up by tools to clean the retained matter.

[0032] Reference Figure 2 , 3 The sliding structure 4 includes a guide plate 41, a support plate 42 and a mounting plate 43. The support plate 42 is fixed to one side of the primary sewage interception plate 31, and the mounting plate 43 is fixed to one side of the secondary sewage interception plate 32. A stepped groove is provided on the side wall of the guide plate 41, and a lifting groove 5 is provided below the side wall of the guide plate 41. The mounting plate 43 is lifted and lowered along the lifting groove 5 and can be abutted and positioned at the bottom of the lifting groove 5. A limiting groove 6 is provided above the side wall of the guide plate 41, and the support plate 42 is inserted into the limiting groove 6 and lifted and lowered along the limiting groove 6. The support plate 42 can be abutted and positioned at the bottom of the limiting groove 6. The stepped groove on the guide plate 41 is provided for the primary sewage interception plate 31 and the secondary sewage interception plate 32 to be lifted and lowered respectively without affecting each other.

[0033] Reference Figure 1 , 2 A receiving groove 11 for receiving the primary sewage interception plate 31 is provided on the upper part of the side wall of the drainage pipe well 1. After the retained matter on the primary sewage interception plate 31 is cleaned, the primary sewage interception plate 31 can be stored in the receiving groove 11, and the secondary sewage interception plate 32 can be cleaned at this time.

[0034] Reference Figure 2 , 3The upper part of the side wall of the drainage well 1 and below the accommodating groove 11 is movably connected with a positioning plate 12 through a spring. The raised first-level sewage intercepting plate 31 and the second-level sewage intercepting plate 32 can be respectively placed and positioned on the positioning plate 12, which is convenient for the staff to clean.

[0035] Reference Figure 2 A sealing plate 7 is installed on the side wall of the drainage pipe well 1 and is sealed at the accommodating groove 11 . The lower part of the sealing plate 7 abuts against the positioning plate 12 so that it is positioned on the side wall of the drainage pipe well 1 .

[0036] Reference Figure 1 , 2 A sealing plate is fixed circumferentially to the side wall of the sealing plate 7. On the one hand, the sealing plate is used to seal the surrounding areas of the sealing plate 7 to prevent water from entering the accommodating groove 11; on the other hand, the sealing plate is used to increase the friction between the sealing plate 7 and the side wall of the drainage pipe well 1 to improve the installation stability; a locking structure 8 for locking the sealing plate 7 is provided on the cover plate 21.

[0037] Reference Figure 2 , 3 The locking structure 8 includes an extension rod 81 that passes through and is lifted and connected to the cover plate 21 and a positioning rod 82 fixed to the lower part of the extension rod 81. The lower part of the extension rod 81 extends obliquely toward the sealing plate 7, and the positioning rod 82 is inserted and positioned on the sealing plate 7; when the cover plate 21 is opened, the positioning rod 82 drives the sealing plate 7 to leave the accommodating groove 11.

[0038] Reference Figure 3 The locking structure 8 also includes a locking rod 83 that is bent and extended outward from the upper part of the extension rod 81 and a latch 84 that is movably connected to one side of the locking rod 83. The bottom of the locking rod 83 is inserted and positioned on the support cover body 22, and the latch 84 is vertically inserted into the side wall of the locking rod 83. It should be pointed out that the latch 84 and the locking rod 83 are interference fit and are not easily dislodged.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A municipal rainwater overflow well, comprising a drainage well (1) and a well cover (2), characterized in that: The manhole cover (2) comprises a detachable cover plate (21); a sewage interception structure (3) is arranged in the drainage pipe well (1), the sewage interception structure (3) comprises a primary sewage interception plate (31) and a secondary sewage interception plate (32) which are connected to the drainage pipe well (1) by lifting; a receiving groove (11) for receiving the primary sewage interception plate (31) is provided on the upper part of the side wall of the drainage pipe well (1); a positioning plate (12) is movably connected to the receiving groove (11) at the offset position between the upper part of the side wall of the drainage pipe well (1) and the receiving groove (11) by a spring; the primary sewage interception plate (31) and the secondary sewage interception plate (32) are respectively placed on the positioning plate (12) after they are lifted.

2. A municipal rainwater overflow well according to claim 1, characterized in that: The manhole cover (2) further comprises a supporting cover body (22) for supporting the cover plate (21); a sealing plate (7) sealed at the receiving groove (11) is installed on the side wall of the drainage pipe well (1); a locking structure (8) for locking the sealing plate (7) is provided on the cover plate (21); the locking structure (8) comprises an extension rod (81) penetrating and connected to the cover plate (21) in a lifting manner and a positioning rod (82) fixed to the lower part of the extension rod (81); the lower part of the extension rod (81) extends obliquely toward the sealing plate (7), and the positioning rod (82) is inserted and positioned on the sealing plate (7).

3. A municipal rainwater overflow well according to claim 2, characterized in that: The locking structure (8) further comprises a locking rod (83) bent and extended from the upper portion of the extension rod (81) and a latch (84) movably connected to one side of the locking rod (83); the bottom of the locking rod (83) is inserted and positioned on the support cover (22), and the latch (84) is vertically inserted into the side wall of the locking rod (83).

4. A municipal rainwater overflow well according to claim 1, characterized in that: The primary sewage interception plate (31) and the secondary sewage interception plate (32) are both formed by symmetrical filter plates fixed by magnetic attraction and arranged opposite to each other; the primary sewage interception plate (31) and the secondary sewage interception plate (32) slide on the side wall of the drainage pipe well (1) through a sliding structure (4).

5. A municipal rainwater overflow well according to claim 4, characterized in that: The sliding structure (4) comprises a guide plate (41), a support plate (42) and a mounting plate (43); the guide plate (41) is provided with a stepped groove; the support plate (42) is fixed to one side of the primary sewage interception plate (31); and the mounting plate (43) is fixed to one side of the secondary sewage interception plate (32); a lifting groove (5) is provided below the side wall of the guide plate (41); the mounting plate (43) is lifted and lowered along the lifting groove (5) and can be abutted and positioned at the bottom of the lifting groove (5); a limiting groove (6) is provided above the side wall of the guide plate (41); the support plate (42) is inserted into and lifted and lowered in the limiting groove (6); and the support plate (42) can be abutted and positioned at the bottom of the limiting groove (6).

6. A municipal rainwater overflow well according to claim 2, characterized in that: The support cover body (22) is provided with a mounting groove for accommodating the cover plate (21); and an annular ring for holding is formed at both ends of the cover plate (21).

7. A municipal rainwater overflow well according to claim 2, characterized in that: A sealing plate is fixed circumferentially to the side wall of the sealing plate (7).

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