Steel ring die convenient to disassemble and used for heightening inspection well ring

By designing the steel ring plate and fasteners of the steel ring mold, the problem of difficult installation of traditional inspection well templates is solved, and it is easy to disassemble and reuse, adapting to the needs of inspection wells of different diameters, and reducing costs.

CN223481890UActive Publication Date: 2025-10-28CHINA FOURTH ENG OF CHINA RAILWAY SEVENTH GROUP +1
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Patent Information

Application Number
CN202422522852.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2025-10-28
Estimated Expiration
2034-10-17

AI Technical Summary

Technical Problem

Traditional inspection well templates are difficult to install and require a large investment. They are difficult to adapt to the needs of inspection wells of different diameters and are not easy to disassemble and reuse.

Method used

A steel ring mold including a steel ring plate and a fastener is designed. The fastener consists of a screw tightener and a screw. The screw can be adjusted to adapt to inspection wells of different diameters. After pouring, the whole is dismantled to ensure the appearance and size of the well ring. The structure of the screw and the screw tightener is convenient for disassembly and reuse.

Benefits of technology

It realizes easy adjustment to adapt to various diameters of inspection wells, ensures the integrity of the appearance and size of the well ring, simplifies the installation process, reduces costs and improves the reusability of the template.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a convenient-to-disassemble steel ring mould for heightening an inspection well ring, which comprises a steel ring plate which is of an annular cylindrical structure and is vertically inserted into a stratum; the number of the fastening devices is two, and the two ends of each fastening device are fixedly connected to the inner wall of the steel ring plate; the fastening device comprises an annular screw tightener and two screw rods, the screw tightener is of an annular structure, through screw holes are formed in the two ends of the screw tightener, one ends of the two screw rods are screwed into the screw holes respectively and enter the steel ring plate, and the other ends of the two screw rods are connected with the inner wall of the steel plate ring. The fastening device can be freely adjusted to adapt to inspection wells with various diameters, in actual operation, the fastening device abuts against the steel ring plate through the adjusting screw rod in one step without any reinforcement, the fastening device can be simply loosened and dismantled after concrete pouring is completed, the appearance and the diameter size of the well ring are guaranteed, disassembly, transportation and repeated use are convenient, and the construction cost is reduced. And deformation is not prone to occurring.
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Description

Technical Field

[0001] This utility model relates to the field of steel ring molds for manhole ring heightening. More specifically, this utility model relates to a steel ring mold for manhole ring heightening that is easy to disassemble. Background Technology

[0002] Traditional manholes, especially circular ones, are typically constructed using brickwork, PVC-coated steel molds, or combined steel molds. These methods require a one-time investment and various sizes of templates to match each other. Currently, manholes on municipal roads have very high requirements for strength and flatness, making them a vulnerable point for damage. Using combined steel templates or PVC-coated steel sheets is difficult to install and involves significant investment. Therefore, researching a new, simple, and portable template that can be rolled into steel rings of various diameters and securely fastened is urgently needed. Utility Model Content

[0003] To achieve these objectives and other advantages according to the present invention, a preferred embodiment of the present invention provides a steel ring mold for easy disassembly of a manhole ring, comprising:

[0004] A steel ring plate, which is an annular cylindrical structure, is vertically inserted into the stratum;

[0005] Fasteners, whose two ends are respectively fixedly connected to the inner wall of the steel ring plate;

[0006] The fastener includes an annular screw tightener and two screws. The screw tightener is an annular structure with through screw holes at both ends. One end of each screw is screwed into the screw hole and enters the steel ring plate, while the other end is connected to the inner wall of the steel ring plate.

[0007] According to a preferred embodiment of the present invention, the two screws are simultaneously located on the same diameter of the steel ring plate.

[0008] According to a preferred embodiment of the present invention, the end of the screw that screws out of the screw hole is hook-shaped or ring-shaped.

[0009] According to a preferred embodiment of the present invention, the screw tightener is a long, ring-shaped structure.

[0010] According to a preferred embodiment of the present invention, the sum of the lengths of the portions of the two screws screwed into the screw tightener is slightly less than the length of the inner space of the screw tightener.

[0011] According to a preferred embodiment of the present invention, the thickness of the portion of the bolt tightener with the screw hole exceeds 5 cm.

[0012] According to a preferred embodiment of the present invention, the threads of the two screws are in opposite directions.

[0013] According to a preferred embodiment of the present invention, there are two fasteners, which are arranged vertically and staggered in the vertical direction.

[0014] This utility model has at least the following beneficial effects: The steel ring mold of this utility model can be freely adjusted to adapt to inspection wells of various diameters. In actual operation, by adjusting the screw, it is made to press against the steel ring plate in one step without any further reinforcement. After the concrete is poured, the fastener is removed as a whole, which not only ensures the appearance and diameter of the well ring, but also facilitates disassembly, transportation and reuse, and is not easily deformed.

[0015] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the steel ring mold for easy disassembly of the inspection well ring in this utility model. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings, so that those skilled in the art can implement it based on the description.

[0018] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious modifications will occur to those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0019] Those skilled in the art should understand that, in the disclosure of this utility model, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.

[0020] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.

[0021] like Figure 1As shown, a preferred embodiment of this utility model provides a steel ring mold for easy disassembly of manhole rings, comprising:

[0022] Steel ring plate 1, which is an annular cylindrical structure, is vertically inserted into the stratum;

[0023] Fastener 2, with its two ends fixedly connected to the inner wall of the steel ring plate 2;

[0024] The fastener 2 includes an annular screw tightener 2-1 and two screws 2-2. The screw tightener 2-1 is an annular structure with through screw holes at both ends. One end of each screw is screwed into the screw hole and enters the steel ring plate, while the other end is connected to the inner wall of the steel ring plate.

[0025] In the above technical solution, the steel ring mold of this utility model can be freely adjusted to adapt to inspection wells of various diameters. In actual operation, by adjusting the screw 2-2 to make it press against the steel ring plate 1, it is in place in one step without any further reinforcement. By adjusting the length of the screw 2-2 extending into the screw tightener 2-1, it can adapt to inspection wells of different diameters. After the concrete is poured, the fastener is removed as a whole, which not only ensures the appearance and diameter of the well ring, but also facilitates disassembly, transportation and reuse, and is not easily deformed.

[0026] Furthermore, considering that the inspection well is circular and the steel ring plate 1 is also circular, when adjusting the size of the steel ring mold, in order to ensure the uniformity of the size change of the steel ring mold, two fasteners 2 can generally be set, and the two fasteners 2 are set vertically and staggered in the vertical direction.

[0027] According to a preferred embodiment of the present invention, the two screws are simultaneously located on the same diameter of the steel ring plate, which facilitates maintaining the shape of the steel ring plate during the adjustment process.

[0028] According to a preferred embodiment of the present invention, the end of the screw 2-2 that screws out of the screw hole is hook-shaped or ring-shaped, which is larger than the diameter of the screw, making it easy to connect to the steel ring plate. Generally, the connection can be made by welding.

[0029] According to a preferred embodiment of the present invention, the screw tightener 2-1 is a long strip-shaped annular structure, which is smaller in size and saves materials.

[0030] According to a preferred embodiment of the present invention, the sum of the lengths of the portions of the two screws 2-2 screwed into the screw tightener 2-1 is slightly less than the length of the inner space of the screw tightener 2-1, so that the space inside the screw tightener 2-1 can be maximized.

[0031] According to a preferred embodiment of the present invention, the thickness of the portion of the bolt tightener 2-1 with the screw hole exceeds 5 cm.

[0032] According to a preferred embodiment of the present invention, the threads of the two screws 2-2 are opposite.

[0033] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A steel ring mold for easy disassembly and heightening of manhole rings, characterized in that, include: A steel ring plate, which is an annular cylindrical structure, is vertically inserted into the stratum; Fasteners, whose two ends are respectively fixedly connected to the inner wall of the steel ring plate; The fastener includes an annular screw tightener and two screws. The screw tightener is an annular structure with through screw holes at both ends. One end of each screw is screwed into the screw hole and enters the steel ring plate, while the other end is connected to the inner wall of the steel ring plate.

2. The easily disassembled steel ring mold for raising the manhole ring according to claim 1, characterized in that, Both screws are located on the same diameter of the steel ring plate.

3. The easily disassembled steel ring mold for raising the manhole ring according to claim 1, characterized in that, The end of the screw that screws out of the screw hole is hook-shaped or ring-shaped.

4. The easily disassembled steel ring mold for raising the manhole ring according to claim 1, characterized in that, The screw tightener is a long, ring-shaped structure.

5. The easily disassembled steel ring mold for raising the manhole ring according to claim 4, characterized in that, The sum of the lengths of the portions of the two screws screwed into the screw tightener is slightly less than the length of the inner space of the screw tightener.

6. The easily disassembled steel ring mold for raising the manhole ring according to claim 4, characterized in that, The thickness of the portion of the screw tightener with the screw hole exceeds 5 cm.

7. The easily disassembled steel ring mold for raising the manhole ring according to claim 1, characterized in that, The threads of the two screws are in opposite directions.

8. The easily disassembled steel ring mold for connecting manhole rings according to claim 1, characterized in that, There are two fasteners, which are arranged vertically and staggered in the vertical direction.