Four-leg coil insert

By designing a four-legged coil insert and utilizing a combination structure of spring cylinders and L-shaped legs, the problem of insufficient contact area between embedded parts and concrete was solved, achieving efficient connection of concrete structures and improving seismic resistance, thereby enhancing the overall safety and durability of buildings.

CN224063676UActive Publication Date: 2026-03-31NINGBO JUNGU HARDWARE PRODUCTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In existing construction projects, the contact area between the threaded steel of the embedded parts and the concrete is limited, resulting in insufficient structural strength and the inability to adjust the position according to the actual situation, which affects the performance.

Method used

The design incorporates a four-legged coil insert, including a spring cylinder and four sets of L-shaped legs. The legs are made of high-strength material and feature internal and external threaded connections, suitable for independent adjustment and reinforced connection points in concrete. The outer sides of the legs are coated with anti-corrosion paint to enhance durability.

Benefits of technology

It enhances the load-bearing capacity and stability of concrete structures, improves the safety and durability of buildings, is highly applicable and easy to operate, and shortens the project schedule.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a four-leg coil insert which comprises a spring cylinder, four sets of supporting legs are distributed on the outer side of the spring cylinder, each supporting leg is composed of a vertical part, a bent part and a horizontal part, a connecting sleeve is fixed in the spring cylinder, an inner thread is arranged on the inner wall of the connecting sleeve, a steel column is arranged in the connecting sleeve, and the steel column is connected with the spring cylinder. And external threads are arranged on the outer side wall of the steel column. The embedded part has the advantages that an original integrated embedded part is divided into four sets of independent inserting parts, the positions of the inserting parts can be adjusted according to actual conditions in the embedding process, applicability is high, operation is convenient, the project progress is accelerated, meanwhile, four sets of supporting legs of L-shaped structures are arranged at each corner, and the supporting legs are convenient to use. The embedded part is equivalently provided with sixteen connecting points with concrete, the stress performance and stability of a concrete structure can be enhanced, the bearing capacity and shock resistance of the structure are effectively enhanced, and therefore the overall safety and durability of a building are improved, and the embedded part has high use performance.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pre -buried spare for building industry, concretely relates to four legs coil insert. BACKGROUND

[0002] The pre -buried spare is the component that is installed (buried) in advance in the building engineering, is the structural component that is placed when pouring, is used in the lap joint when the upper structure is builted, and it is beneficial to the installation and fixation of external engineering equipment foundation.

[0003] The existing building engineering needs to place the pre -buried spare in the formwork when pouring concrete, and four groups of threaded steel are usually reserved on the pre -buried spare to facilitate subsequent connection with external components, the above-mentioned mode in the use process, since four groups of threaded steel are all vertically inserted into the concrete, further lead to its contact area with the concrete is limited, it will affect its overall structural strength, at the same time, four groups of threaded steel are placed on a pre -buried spare simultaneously, which cannot be adjusted according to the actual situation in the actual use process, leading to its use effect is not good, therefore, the four legs coil insert is urgently needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] (I) technical problem to be solved

[0005] The technical problem to be solved by the utility model is to provide a four legs coil insert according to the status of the prior art.

[0006] (II) technical scheme

[0007] The utility model discloses a four legs coil insert, which comprises a spring cylinder, four groups of legs are distributed on the outer side of the spring cylinder, the leg is composed of a vertical part, a curved part and a horizontal part, a connecting sleeve is fixed in the spring cylinder, an internal thread is formed on the inner wall of the connecting sleeve, a steel column is arranged in the connecting sleeve, and an external thread is formed on the outer side wall of the steel column.

[0008] Further, the leg is welded on the outer side wall of the spring cylinder, the leg is of L-shaped structure, and the spring cylinder is made of high-strength material.

[0009] Further, the vertical part, the curved part and the horizontal part are formed on the leg, and the leg is made of high-strength material.

[0010] Further, the spring cylinder and the outer side wall of the leg are sprayed with anticorrosive paint.

[0011] Further, the connecting sleeve is welded in the spring cylinder, and the internal thread is formed on the inner wall of the connecting sleeve.

[0012] Further, the external thread is formed on the steel column, and the surface of the steel column is treated by galvanization.

[0013] Further, the external thread is matched with the internal thread, and the steel column is screwed into the connecting sleeve.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model discloses a four-leg coil insert, which is divided into four independent inserts from the original integral embedded part. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is the structure schematic view of four-leg coil insert of the utility model;

[0018] Fig. 2 is the explosion schematic view of four-leg coil insert of the utility model;

[0019] Fig. 3 is the internal structure schematic view of connecting sleeve in four-leg coil insert of the utility model.

[0020] The reference signs are explained as follows:

[0021] 1, spring cylinder;2, leg;201, bending part;202, horizontal part;203, vertical part;3, steel column;4, external thread;5, connecting sleeve;6, internal thread;7, anticorrosive paint. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail below by combining with the drawings and examples.

[0023] As Figs. 1-3As shown, the four-legged coil insert in the embodiment includes a spring cylinder 1, four groups of legs 2 are distributed outside the spring cylinder 1, the legs 2 are composed of a vertical part 203, a curved part 201 and a horizontal part 202, which can increase the contact area with the concrete and further improve the connection strength, a connecting sleeve 5 is fixed in the spring cylinder 1, an internal thread 6 is formed on the inner wall of the connecting sleeve 5, which facilitates the connection of the steel column 3, the steel column 3 is arranged in the connecting sleeve 5, an external thread 4 is formed on the outer side wall of the steel column 3, and the external thread 4 cooperates with the internal thread 6 to realize the rapid installation of the steel column 3.

[0024] As Figs. 1-3 In the embodiment, the legs 2 are welded on the outer side wall of the spring cylinder 1, the legs 2 are L-shaped structures, the spring cylinder 1 is made of high-strength material, the vertical part 203, the curved part 201 and the horizontal part 202 are formed on the legs 2, the legs 2 are made of high-strength material, the outer side walls of the spring cylinder 1 and the legs 2 are sprayed with anticorrosive paint 7, and the four groups of legs 2 and the spring cylinder 1 can form a four-legged coil insert. In the use process, the position of the insert is adjusted according to the actual situation, which has strong applicability and is convenient to operate, accelerates the engineering progress, and at the same time, each corner is equipped with four groups of L-shaped structure legs 2, which is equivalent to a pre-embedded part equipped with sixteen connection points with the concrete, which can strengthen the stress performance and stability of the concrete structure, effectively enhance the load-carrying capacity and seismic capacity of the structure, thereby improving the overall safety and durability of the building. The anticorrosive paint 7 can improve its service life and avoid corrosion.

[0025] As Figs. 1-3 In the embodiment, the connecting sleeve 5 is welded in the spring cylinder 1, the internal thread 6 is formed on the inner wall of the connecting sleeve 5, the external thread 4 is formed on the steel column 3, the surface of the steel column 3 is galvanized, the external thread 4 matches the internal thread 6, and the steel column 3 is screwed in the connecting sleeve 5. When the insert is embedded and solidified, the steel column 3 is installed in the connecting sleeve 5 in the spring cylinder 1 through the cooperation of the external thread 4 and the internal thread 6, and then the external member is connected with the steel column 3.

[0026] The specific implementation process of the embodiment is as follows: first, the hoist generates a vertical force through its lifting mechanism, lifts the coil insert from the initial position to the target height, once the predetermined position is reached, the coil can be stably inserted into the concrete through a specific insertion mechanism or manual operation, realizing the pre-burial of the coil insert, and the position of the insert can be adjusted during the pre-burial process according to the actual situation, which is strong in applicability and convenient to operate, speeds up the engineering progress, meanwhile, each corner is equipped with four groups of L-shaped structure supporting legs 2, which is equivalent to that one pre-buried part is equipped with sixteen connecting points with concrete, which can strengthen the stress performance and stability of the concrete structure, effectively enhance the load-bearing capacity and seismic capacity of the structure, thereby improving the overall safety and durability of the building, when the coil insert is pre-buried and solidified, the steel column 3 is installed in the connecting sleeve 5 in the spring cylinder 1 through the cooperation of the external thread 4 and the internal thread 6, then the external member is connected with the steel column 3.

[0027] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Four-legged coil insert, characterized in that: The application relates to a spring cylinder (1) provided with four groups of supporting legs (2) on the outer side, the supporting legs (2) being composed of vertical parts (203), curved parts (201) and horizontal parts (202), a connecting sleeve (5) being fixed in the spring cylinder (1), an inner thread (6) being formed on the inner wall of the connecting sleeve (5), and a steel column (3) being arranged in the connecting sleeve (5), an outer thread (4) being formed on the outer side wall of the steel column (3).

2. The four-legged coil insert of claim 1, wherein: The supporting legs (2) are welded on the outer side wall of the spring cylinder (1), the supporting legs (2) are L-shaped structures, and the spring cylinder (1) is made of high-strength material.

3. The four-legged coil insert of claim 1, wherein: The vertical parts (203), the curved parts (201) and the horizontal parts (202) are formed on the supporting legs (2), and the supporting legs (2) are made of high-strength material.

4. The four-legged coil insert of claim 1, wherein: The outer side walls of the spring cylinder (1) and the supporting legs (2) are sprayed with anticorrosive paint (7).

5. The four-legged coil insert of claim 1, wherein: The connecting sleeve (5) is welded in the spring cylinder (1), and the inner thread (6) is formed on the inner wall of the connecting sleeve (5).

6. The four-legged coil insert of claim 1, wherein: The outer thread (4) is formed on the steel column (3), and the surface of the steel column (3) is subjected to galvanization treatment.

7. The four-legged coil insert of claim 1, wherein: The outer thread (4) is matched with the inner thread (6), and the steel column (3) is screwed in the connecting sleeve (5) through threads.