Connecting piece for connecting cylindrical steel structure and square steel structure

By designing a combination connector of square and cylindrical steel connecting plates, and utilizing fastening screws, fastening sleeves, and fastening bolts, the problem of stable connection of steel structures of different sizes was solved, achieving a fast and stable connection effect.

CN223907681UActive Publication Date: 2026-02-13ZHONGLING PENGXIANG STEEL STRUCTURE (SHANDONG) CO LTD
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Patent Information

Application Number
CN202520050387.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-02-13
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing technologies make it difficult to securely connect cylindrical and square steel structures of different sizes.

Method used

The system employs connectors including square and cylindrical steel connecting plates, and achieves stable connections between steel structures of different sizes through a combination design of fastening screws, fastening sleeves, and fastening bolts.

Benefits of technology

It enables rapid and stable connection of steel structures of different sizes, enhancing the stability of the connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel structures, and discloses a connecting piece for connecting a cylindrical steel structure and a square steel structure, which comprises a square steel connecting disc and a cylindrical steel connecting disc, connecting disc grooves are formed in the end face of the square steel connecting disc and the end face of the cylindrical steel connecting disc, inner sliding blocks are slidably connected into the connecting disc grooves, the side faces of the inner sliding blocks are rotationally connected with fastening screws through bearing rings, and square fastening sleeves are installed on the surfaces of the inner sliding blocks on one side of the square steel connecting disc. A cylindrical fastening sleeve is installed on the surface of the inner sliding block on one side of the cylindrical steel connecting disc, and inner connecting grooves are formed in the square fastening sleeve and the cylindrical fastening sleeve. According to the connecting piece for connecting the cylindrical steel structure and the square steel structure, the square steel connecting disc and the cylindrical steel connecting disc can be fixedly connected through the connecting thread sleeve, and square steel and cylindrical steel can be quickly and fixedly connected through the square fastening sleeve and the cylindrical fastening sleeve.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a steel structure technical field, concretely is a kind of connecting piece for cylindrical steel structure and square steel structure connection. BACKGROUND

[0002] Steel structure is one of main building structure class, compared with concrete building structure, steel structure has the characteristics such as short construction period, structural flexibility, is widely used in building field.

[0003] The existing steel structure is mainly divided into column steel and direction steel, sometimes column steel and direction steel are fixedly connected in actual use, the existing connecting mode mainly has welding direct fixation and bolt direct fixation, however, the mode of welding direct fixation and bolt direct fixation can only be fixedly connected with column steel and direction steel of same size, it is inconvenient to fixedly connect column steel and direction steel of different sizes, and it is inconvenient to more stably connect column steel and direction steel by welding direct fixation and bolt direct fixation. UTILITY MODEL CONTENTS

[0004] (1) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a connecting piece for cylindrical steel structure and square steel structure connection, solves the problem that it is inconvenient to stably connect column steel and direction steel of different sizes in steel structure connection.

[0006] (2) technical scheme

[0007] To realize the above steel structure connection, it is convenient to stably connect column steel and direction steel of different sizes, the utility model provides the following technical scheme: a connecting piece for cylindrical steel structure and square steel structure connection, including square steel connecting disc and column steel connecting disc, square steel connecting disc and column steel connecting disc end face are inserted with connecting sleeve, the end face of square steel connecting disc and column steel connecting disc is all set with connecting disc recess, the inside of connecting disc recess is slidably connected with inner slide block, the side surface of inner slide block is rotatably connected with fastening screw through bearing ring, the surface of inner slide block of square steel connecting disc one side is installed with square fastening sleeve, the surface of inner slide block of column steel connecting disc one side is installed with column fastening sleeve, the inside of square fastening sleeve and column fastening sleeve is all set with inner slot;

[0008] The inside of the groove on one side of the square fastening sleeve is slidably connected with a square inner plate, the inside of the groove on one side of the cylindrical fastening sleeve is slidably connected with a cylindrical inner plate, the surfaces of the square inner plate and the cylindrical inner plate are both provided with through holes, the surfaces of the square fastening sleeve and the cylindrical fastening sleeve are both threadedly connected with fastening bolts, the inside of the square fastening sleeve is movably clamped with a square steel body, the inside of the cylindrical fastening sleeve is movably clamped with a cylindrical steel body, and the surfaces of the square steel body and the cylindrical steel body are both provided with steel body grooves.

[0009] Preferably, the fastening bolt on one side of the square fastening sleeve penetrates the square inner plate and extends into the steel body groove on one side of the square steel body, and the fastening bolt on one side of the cylindrical fastening sleeve penetrates the cylindrical inner plate and extends into the steel body groove on one side of the cylindrical steel body.

[0010] Preferably, a rectangular expansion ring is formed between the square fastening sleeve and the square inner plate, and the square fastening sleeve is in contact with the square steel body.

[0011] Preferably, a circular expansion ring is formed between the cylindrical fastening sleeve and the cylindrical inner plate, and the cylindrical fastening sleeve is in contact with the cylindrical steel body.

[0012] Preferably, the fastening screw penetrates the connecting disc groove and extends to the outside, and the fastening screws on both sides are respectively threadedly connected with the square steel connecting disc and the cylindrical steel connecting disc.

[0013] Preferably, the connecting screw sleeve penetrates the square steel connecting disc and the cylindrical steel connecting disc, and the connecting screw sleeve is composed of a screw rod and a screw sleeve.

[0014] Compared with the prior art, the utility model provides a connecting piece for connecting a cylindrical steel structure and a square steel structure, which has the following beneficial effects:

[0015] 1. The connecting piece for connecting a cylindrical steel structure and a square steel structure inserts the square steel body into the rectangular expansion ring formed between the square fastening sleeve and the square inner plate, and inserts the cylindrical steel body into the circular expansion ring formed between the cylindrical fastening sleeve and the cylindrical inner plate, at this time, the fastening screw is rotated inwards, and the rectangular expansion ring formed between the square fastening sleeve and the square inner plate is contracted, and similarly, the circular expansion ring formed between the cylindrical fastening sleeve and the cylindrical inner plate is contracted, and then when the rectangular expansion ring formed between the square fastening sleeve and the square inner plate is contracted, the square steel body can be fixed, and when the circular expansion ring formed between the cylindrical fastening sleeve and the cylindrical inner plate is contracted, the cylindrical steel body can be fixed.

[0016] 2、 the connecting piece for the connection of cylindrical steel structure and square steel structure, the fastening bolt of one side of the square fastening sleeve penetrates the square inner connecting plate and extends to the inside of the steel body groove of one side of the square steel body, the fastening bolt of one side of the cylindrical fastening sleeve penetrates the cylindrical inner connecting plate and extends to the inside of the steel body groove of one side of the cylindrical steel body, when the fastening bolt fixes the square fastening sleeve and the square inner connecting plate respectively, the cylindrical fastening sleeve and the cylindrical inner connecting plate, square steel body and square fastening sleeve can be fixed, cylindrical steel body and cylindrical fastening sleeve are fixed, so that square steel and cylindrical steel are more stable when being connected. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure square steel connecting disc schematic view of the utility model;

[0018] Figure 2 It is the structure cylindrical steel connecting disc schematic view of the utility model;

[0019] Figure 3 It is the structure square fastening sleeve and square steel body exploded view of the utility model;

[0020] Figure 4 It is the structure cylindrical fastening sleeve and cylindrical steel body exploded view of the utility model.

[0021] Wherein: 1, square steel connecting disc;2, cylindrical steel connecting disc;3, connecting screw;4, connecting disc groove;5, inner sliding block;6, fastening screw;7, square fastening sleeve;8, cylindrical fastening sleeve;9, inner connecting groove;10, square inner connecting plate;11, cylindrical inner connecting plate;12, through hole;13, fastening bolt;14, square steel body;15, cylindrical steel body;16, steel body groove. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0023] Please refer to Figures 1-4The utility model provides a kind of connecting piece for cylindrical steel structure and square steel structure connection, including square steel connecting disc 1 and cylindrical steel connecting disc 2, square steel connecting disc 1 and cylindrical steel connecting disc 2 end face are inserted with connecting screw sleeve 3, the end face of square steel connecting disc 1 and cylindrical steel connecting disc 2 is all set with connecting disc groove 4, the inside sliding connection of connecting disc groove 4 has inner slide 5, the side of inner slide 5 is rotatably connected with fastening screw 6 by bearing ring, the surface of the inner slide 5 of square steel connecting disc 1 side is equipped with square fastening sleeve 7, the surface of the inner slide 5 of cylindrical steel connecting disc 2 side is equipped with cylindrical fastening sleeve 8, the inside of square fastening sleeve 7 and cylindrical fastening sleeve 8 is all set with inner slot 9;

[0024] The inside sliding connection of one side inner slot 9 of square fastening sleeve 7 has square inner plate 10, the inside sliding connection of one side inner slot 9 of cylindrical fastening sleeve 8 has cylindrical inner plate 11, the surface of square inner plate 10 and cylindrical inner plate 11 is all set with through-hole 12, the surface of square fastening sleeve 7 and cylindrical fastening sleeve 8 is all threadedly connected with fastening bolt 13, the inside movable clamping of square fastening sleeve 7 has square steel body 14, the inside movable clamping of cylindrical fastening sleeve 8 has cylindrical steel body 15, the surface of square steel body 14 and cylindrical steel body 15 is all set with steel body groove 16, square steel connecting disc 1 and cylindrical steel connecting disc 2 can be fixedly connected by connecting screw sleeve 3, then square steel body 14 is inserted into the inside of rectangular expansion ring formed between square fastening sleeve 7 and square inner plate 10, cylindrical steel body 15 is inserted into the inside of circular expansion ring formed between cylindrical fastening sleeve 8 and cylindrical inner plate 11, at this moment, fastening screw 6 is rotated inwards, fastening screw 6 can drive inner slide 5 to slide inwards in the inside of connecting disc groove 4, then the inner slide 5 of square steel connecting disc 1 side can drive square fastening sleeve 7 to move inwards, and make the rectangular expansion ring formed between square fastening sleeve 7 and square inner plate 10 contract, similarly, the inner slide 5 of cylindrical steel connecting disc 2 side can drive cylindrical fastening sleeve 8 to move inwards, and make the circular expansion ring formed between cylindrical fastening sleeve 8 and cylindrical inner plate 11 contract, then when the rectangular expansion ring formed between square fastening sleeve 7 and square inner plate 10 contracts, square steel body 14 can be fixed, when the circular expansion ring formed between cylindrical fastening sleeve 8 and cylindrical inner plate 11 contracts, cylindrical steel body 15 can be fixed, fastening bolt 13 is rotated again, square fastening sleeve 7 and square inner plate 10 can be fixed, cylindrical fastening sleeve 8 and cylindrical inner plate 11 can be fixed, so that it no longer expands and contracts, so that square steel and cylindrical steel can be connected and fixed quickly and stably.

[0025] Further, the fastening bolt 13 on one side of the square fastening sleeve 7 penetrates the square inner connecting plate 10 and extends to the inside of the steel body groove 16 on one side of the square steel body 14, the fastening bolt 13 on one side of the cylindrical fastening sleeve 8 penetrates the cylindrical inner connecting plate 11 and extends to the inside of the steel body groove 16 on one side of the cylindrical steel body 15, while the fastening bolt 13 respectively fixes the square fastening sleeve 7 and the square inner connecting plate 10, fixes the cylindrical fastening sleeve 8 and the cylindrical inner connecting plate 11, and also fixes the square steel body 14 and the square fastening sleeve 7, and fixes the cylindrical steel body 15 and the cylindrical fastening sleeve 8, so that the square steel and the cylindrical steel are more stable when connected with each other.

[0026] Further, the square fastening sleeve 7 and the square inner connecting plate 10 form a rectangular expansion ring, and the square fastening sleeve 7 is in contact with the square steel body 14, so that the square steel body 14 can be quickly fixed in the inside through the rectangular expansion ring formed between the square fastening sleeve 7 and the square inner connecting plate 10.

[0027] Further, the cylindrical fastening sleeve 8 and the cylindrical inner connecting plate 11 form a circular expansion ring, and the cylindrical fastening sleeve 8 is in contact with the cylindrical steel body 15, so that the cylindrical steel body 15 can be quickly fixed in the inside through the circular expansion ring formed between the cylindrical fastening sleeve 8 and the cylindrical inner connecting plate 11.

[0028] Further, the fastening screw 6 penetrates the connecting disc groove 4 and extends to the outside, and the fastening screw 6 on both sides is respectively screwed with the square steel connecting disc 1 and the cylindrical steel connecting disc 2, so that the inner sliding block 5 can be moved by rotating the fastening screw 6, and thus the square fastening sleeve 7 and the cylindrical fastening sleeve 8 can be moved by the inner sliding block 5.

[0029] Further, the connecting screw 3 penetrates the square steel connecting disc 1 and the cylindrical steel connecting disc 2, and the connecting screw 3 is composed of a screw rod and a screw sleeve, so that the square steel connecting disc 1 and the cylindrical steel connecting disc 2 can be quickly fixed and connected through the connecting screw 3.

[0030] In use, the square steel connecting disc 1 and the columnar steel connecting disc 2 can be fixedly connected by connecting the screw sleeve 3, then the square steel body 14 is inserted into the rectangular expansion ring formed between the square fastening sleeve 7 and the square inner connecting plate 10, and the columnar steel body 15 is inserted into the circular expansion ring formed between the columnar fastening sleeve 8 and the columnar inner connecting plate 11, at this time, the fastening screw 6 is turned inward, the fastening screw 6 can drive the inner sliding block 5 to slide inward in the connecting disc groove 4, then the inner sliding block 5 on one side of the square steel connecting disc 1 can drive the square fastening sleeve 7 to move inward, and the rectangular expansion ring formed between the square fastening sleeve 7 and the square inner connecting plate 10 is contracted, similarly, the inner sliding block 5 on one side of the columnar steel connecting disc 2 can drive the columnar fastening sleeve 8 to move inward, and the circular expansion ring formed between the columnar fastening sleeve 8 and the columnar inner connecting plate 11 is contracted, then when the rectangular expansion ring formed between the square fastening sleeve 7 and the square inner connecting plate 10 is contracted, the square steel body 14 can be fixed, when the circular expansion ring formed between the columnar fastening sleeve 8 and the columnar inner connecting plate 11 is contracted, the columnar steel body 15 can be fixed, then the fastening bolt 13 is turned, the square fastening sleeve 7 and the square inner connecting plate 10 can be fixed, and the columnar fastening sleeve 8 and the columnar inner connecting plate 11 can be fixed, so that they are no longer expanded and contracted, so that the square steel and the columnar steel can be quickly and stably connected and fixed.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be substantially changed without departing from the spirit and the scope of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A connecting piece for connecting a cylindrical steel structure with a square steel structure, comprising a square steel connecting disc (1) and a cylindrical steel connecting disc (2), characterized in that: The square steel connecting disc (1) and the cylindrical steel connecting disc (2) are inserted with connecting nuts (3) on the end face, the end face of the square steel connecting disc (1) and the cylindrical steel connecting disc (2) is provided with a connecting disc groove (4), the inside of the connecting disc groove (4) is slidably connected with an inner sliding block (5), the side surface of the inner sliding block (5) is rotatably connected with a fastening screw (6) through a bearing ring, the surface of the inner sliding block (5) on one side of the square steel connecting disc (1) is provided with a square fastening sleeve (7), the surface of the inner sliding block (5) on one side of the cylindrical steel connecting disc (2) is provided with a cylindrical fastening sleeve (8), the inside of the square fastening sleeve (7) and the cylindrical fastening sleeve (8) is provided with an inner groove (9). The inside of the inner groove (9) on one side of the square fastening sleeve (7) is slidably connected with a square inner connecting plate (10), the inside of the inner groove (9) on one side of the cylindrical fastening sleeve (8) is slidably connected with a cylindrical inner connecting plate (11), the surface of the square inner connecting plate (10) and the cylindrical inner connecting plate (11) is provided with a through hole (12), the surface of the square fastening sleeve (7) and the cylindrical fastening sleeve (8) is threadedly connected with a fastening bolt (13), the inside of the square fastening sleeve (7) is movably clamped with a square steel body (14), the inside of the cylindrical fastening sleeve (8) is movably clamped with a cylindrical steel body (15), the surface of the square steel body (14) and the cylindrical steel body (15) is provided with a steel body groove (16).

2. The connecting piece for connecting a cylindrical steel structure and a square steel structure according to claim 1, characterized in that: The fastening bolt (13) on one side of the square fastening sleeve (7) penetrates the square inner connecting plate (10) and extends to the inside of the steel body groove (16) on one side of the square steel body (14), the fastening bolt (13) on one side of the cylindrical fastening sleeve (8) penetrates the cylindrical inner connecting plate (11) and extends to the inside of the steel body groove (16) on one side of the cylindrical steel body (15).

3. The connecting piece for connecting a cylindrical steel structure and a square steel structure according to claim 1, characterized in that: The square fastening sleeve (7) and the square inner connecting plate (10) form a rectangular expansion ring, and the square fastening sleeve (7) is in contact with the square steel body (14).

4. The connecting piece for connecting a cylindrical steel structure and a square steel structure according to claim 1, characterized in that: The cylindrical fastening sleeve (8) and the cylindrical inner connecting plate (11) form a circular expansion ring, and the cylindrical fastening sleeve (8) is in contact with the cylindrical steel body (15).

5. The connecting piece for connecting a cylindrical steel structure and a square steel structure according to claim 1, characterized in that: The fastening screw (6) penetrates the connecting disc groove (4) and extends to the outside, and the fastening screw (6) on both sides is respectively threadedly connected with the square steel connecting disc (1) and the cylindrical steel connecting disc (2).

6. The connecting piece for connecting a cylindrical steel structure and a square steel structure according to claim 1, characterized in that: The connecting nut (3) penetrates the square steel connecting disc (1) and the cylindrical steel connecting disc (2), and the connecting nut (3) is composed of a screw rod and a nut.