Double-layer square well lid

The double-layer square manhole cover design addresses the inconvenience of tool-dependent opening by incorporating a rotatable reinforced cover and filter system, enabling simple manual operation and component replacement.

CN222206713UActive Publication Date: 2024-12-20HUNAN ZHANGHONG CASTING CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420987107.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2024-12-20
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

Existing double-layer square manhole covers require complicated operations using tools like metal hooks to open, making them inconvenient to use.

Method used

A double-layer square manhole cover design featuring a rotatable reinforced cover with connecting grooves, support blocks, grip rods, and blocking blocks, along with a water leakage hole and filter system, allowing for simple manual operation and easy replacement of filter components.

Benefits of technology

Facilitates easy manual opening of the manhole cover and convenient replacement of filter components, enhancing user convenience and functionality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222206713U_ABST
    Figure CN222206713U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of well lids, and discloses a double-layer square well lid which comprises a square well lid body and a reinforcing cover, one side of the reinforcing cover is rotatably connected to the square well lid body, connecting grooves are formed in the two sides, away from each other, of the top of the reinforcing cover, and supporting blocks are rotatably connected to inner cavities of the connecting grooves through rotating shafts; a holding rod facilitating moving of the supporting block is fixedly connected to one side of the supporting block, a stopping block is fixedly connected to one end of the holding rod, a water leakage hole used for water flowing is formed in the reinforcing cover, and a mounting frame facilitating mounting of the square well lid body is arranged on the side wall of the square well lid body. An isolation pad used for protecting the holding rod is arranged in an inner cavity of the connecting groove, the isolation pad is made of an elastic material, a threaded groove is formed in the inner side wall of the water leakage hole, and an inner cavity of the water leakage hole is in threaded connection with a filter plate. According to the scheme, operation is easy, the well lid is convenient to open, and the filter screen is convenient to replace.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of manhole covers, in particular to a double-layer square manhole cover. Background Art

[0002] Manhole covers are used to cover various underground facilities. Their main function is to prevent people or objects from falling while keeping underground facilities clean and sanitary. Manhole covers are mostly round and square in shape. A double-layer manhole cover is one that adds a layer of reinforcement cover to the main body of the manhole cover to increase its strength.

[0003] The utility model patent with patent application publication number 202321066660.0 discloses a double-layer composite resin square manhole cover with a reinforced structure, including a square manhole cover body. During the use of the manhole cover, the square reinforcement cover can be stuck on the top of the square manhole cover body, and the four groups of connecting rods set at the bottom end of the inner part of the square reinforcement cover can be passed through the bottom end of the square manhole cover body. Then, the locking rings set at the bottom end of the square manhole cover body can be screwed into the outside of the connecting rods, and the square reinforcement cover can be fixed to the top of the square manhole cover body. The double-layer structure of the square manhole cover body and the square reinforcement cover can increase the structural strength of the manhole cover, improve the use strength and life of the manhole cover, and the square reinforcement cover is detachable, which is convenient for disassembly and replacement, and solves the problem of inconvenience in strengthening the manhole cover structure.

[0004] However, the above device still has shortcomings in actual use. The most obvious one is that when opening this type of square manhole cover, it is generally necessary to use tools such as metal hooks to hook the manhole cover through the through slot on the square manhole cover. The operation is complicated and inconvenient to open the manhole cover. For this reason, we propose a double-layer square manhole cover. Utility Model Content

[0005] The purpose of the utility model is to provide a double-layer square manhole cover to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0007] The present application is specifically as follows: a double-layer square manhole cover, comprising: a square manhole cover body and a reinforced cover, one side of the reinforced cover is rotatably connected to the square manhole cover body, two sides of the top of the reinforced cover are provided with connecting grooves, the inner cavity of the connecting groove is rotatably connected to a support block through a rotating shaft, one side of the support block is fixedly connected to a grip rod for facilitating the movement of the support block, one end of the grip rod is fixedly connected to a blocking block, and the reinforced cover is provided with a leakage hole for water flow.

[0008] As a preferred technical solution of the present application, the side wall of the square manhole cover body is provided with a mounting frame for facilitating the installation of the square manhole cover body.

[0009] As a preferred technical solution of the present application, the inner cavity of the connecting groove is provided with an isolation pad for protecting the grip rod, and the isolation pad is made of elastic material.

[0010] As a preferred technical solution of the present application, a threaded groove is provided on the inner wall of the leakage hole, and a filter plate is threadedly connected to the inner cavity of the leakage hole. The filter plate is in the shape of a hollow cylinder, and a movable block for driving the filter plate to rotate is fixedly connected to the top of the filter plate.

[0011] As a preferred technical solution of the present application, a filter net for filtering water is fixedly connected to the inner cavity of the filter plate.

[0012] As a preferred technical solution of the present application, a plurality of groups of anti-slip patterns are arranged on the top of the reinforcement cover.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the scheme of this application:

[0015] 1. By setting a support block, a grip rod and a blocking block, first take out the isolation pad from the connecting groove, drive the support block to rotate in the connecting groove through the grip rod, and cooperate with the blocking block to pull the support block and the grip rod, and drive the reinforced cover to rotate through the support block, so as to realize the opening of the manhole cover. The operation is simple and convenient for opening the manhole cover.

[0016] 2. By opening matching thread grooves inside the water leakage hole and outside the filter plate, the filter plate is threadedly connected to the water leakage hole, and the water is filtered through the filter net. The filter plate is rotated by pushing the movable block, so that the filter plate rotates and moves in the water leakage hole, thereby facilitating the replacement of the filter net. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0018] In the attached picture:

[0019] Figure 1 A three-dimensional diagram of a double-layer square manhole cover provided in this application;

[0020] Figure 2 A schematic diagram of a reinforced cover structure of a double-layer square manhole cover provided in this application;

[0021] Figure 3A schematic diagram of the filter screen structure of a double-layer square manhole cover provided in this application.

[0022] In the figure: 100, square manhole cover body; 200, reinforced cover; 210, connecting groove; 211, isolation pad; 220, support block; 230, grip rod; 231, blocking block; 240, water leakage hole; 250, filter plate; 251, filter net; 252, movable block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 A double-layer square manhole cover comprises: a square manhole cover body 100 and a reinforced cover 200, one side of the reinforced cover 200 is rotatably connected to the square manhole cover body 100, and connecting grooves 210 are provided on both sides of the top of the reinforced cover 200 that are far away from each other, and a supporting block 220 is connected through the connecting groove 210, and the inner cavity of the connecting groove 210 is rotatably connected to the supporting block 220 through a rotating shaft, and a grip rod 230 is fixedly connected to one side of the supporting block 220 for facilitating the movement of the supporting block 220, and the supporting block 220 is driven to rotate and move by the grip rod 230, and a blocking block 231 is fixedly connected to one end of the grip rod 230, and the blocking block 231 facilitates the pulling of the grip rod 230, and a water leakage hole 240 for water flow is provided on the reinforced cover 200, and the water leakage hole 240 facilitates the flow of water.

[0025] See also Figure 1 The side wall of the square manhole cover body 100 is provided with a mounting frame for facilitating the installation of the square manhole cover body 100 , and the mounting frame facilitates the installation of the square manhole cover body 100 .

[0026] See also Figure 1 The inner cavity of the connecting groove 210 is provided with an isolation pad 211 for protecting the gripping rod 230 . The isolation pad 211 is made of elastic material. The isolation pad 211 protects the gripping rod 230 and the supporting block 220 .

[0027] See also Figure 2 and Figure 3A threaded groove is provided on the inner wall of the leakage hole 240, and a filter plate 250 is threadedly connected to the inner cavity of the leakage hole 240. The filter plate 250 is in the shape of a hollow cylinder, and a movable block 252 for driving the filter plate 250 to rotate is fixedly connected to the top of the filter plate 250. The filter screen 251 is supported by the filter plate 250, and the filter plate 250 is driven to rotate by the movable block 252.

[0028] See also Figure 1-3 A filter screen 251 for filtering water is fixedly connected to the inner cavity of the filter plate 250 , and water is filtered through the filter screen 251 .

[0029] See also Figure 1 and Figure 2 A plurality of anti-skid patterns are arranged on the top of the reinforcement cover 200, and the anti-skid capability of the reinforcement cover 200 is improved by the anti-skid patterns.

[0030] Specifically, when the device is in use, the isolation pad 211 is first removed from the connecting groove 210, and then the grip 230 is lifted to drive the support block 220 to rotate in the connecting groove 210, and the grip 230 drives the support block 220 to rotate, and the support block 220 drives the reinforcement cover 200 to rotate on the square manhole cover body 100, thereby realizing the opening of the reinforcement cover 200, and then the movable block 252 is pushed to rotate, and the movable block 252 drives the filter plate 250 to rotate in the leakage hole 240. Since the filter plate 250 is threadedly connected in the leakage hole 240, the filter plate 250 can be moved out of the leakage hole 240 when rotating, thereby realizing the removal of the filter net 251, and completing the use.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-layer square manhole cover, comprising: A square manhole cover body (100) and a reinforced cover (200), one side of the reinforced cover (200) is rotatably connected to the square manhole cover body (100), characterized in that: the top of the reinforced cover (200) is provided with connecting grooves (210) on two sides away from each other, the inner cavity of the connecting groove (210) is rotatably connected to a support block (220) via a rotating shaft, one side of the support block (220) is fixedly connected to a gripping rod (230) for facilitating movement of the support block (220), one end of the gripping rod (230) is fixedly connected to a blocking block (231), and the reinforced cover (200) is provided with a water leakage hole (240) for water flow.

2. According to the double-layer square manhole cover of claim 1, it is characterized in that: The side wall of the square manhole cover body (100) is provided with a mounting frame for facilitating the installation of the square manhole cover body (100).

3. The double-layer square manhole cover according to claim 1, characterized in that: The inner cavity of the connection groove (210) is provided with an isolation pad (211) for protecting the grip rod (230), and the isolation pad (211) is made of elastic material.

4. The double-layer square manhole cover according to claim 1, characterized in that: The inner wall of the water leakage hole (240) is provided with a threaded groove, the inner cavity of the water leakage hole (240) is threadedly connected with a filter plate (250), the filter plate (250) is in the shape of a hollow cylinder, and the top of the filter plate (250) is fixedly connected with a movable block (252) for driving the filter plate (250) to rotate.

5. The double-layer square manhole cover according to claim 4, characterized in that: A filter net (251) for filtering water is fixedly connected to the inner cavity of the filter plate (250).

6. The double-layer square manhole cover according to claim 1, characterized in that: The top of the reinforcement cover (200) is provided with a plurality of groups of anti-slip patterns.

Citation Information

Patent Citations

  • Double-layer composite resin square well lid with reinforcing structure

    CN219653765U