Building stand column steel bar connecting structure
By welding and fixing the outer ring in the steel bar connection of building columns and wrapping the cement with pre-connected structure and casing, the problem of insufficient stability during the steel bar welding process is solved, and the stability and load bearing performance of the steel bar connection are improved.
Patent Information
- Application Number
- CN202420393180.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-01
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-03-01
AI Technical Summary
In the connection of existing building column steel bars, it is difficult to achieve stable pre-connection during direct welding, which can easily lead to dislocation of the steel bars and affect the overall load-bearing performance.
A building column steel bar connection structure is adopted, and the outer ring is fixed by welding the outer ring to the outside of the first steel bar and the second steel bar, and the fixed outer rings are limited to the position and fixed by using a pre-connected structure to ensure that the steel bars remain in a vertical state. At the same time, cement is injected into the casing using a casing and a pouring cavity to wrap the steel bars to enhance connection stability.
It improves the stability during the welding of steel bars, prevents deviation and misalignment, and enhances the stability and load-bearing performance of steel bars.
Smart Images
Figure CN222477955U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel bar connection, in particular to a steel bar connection structure for a building column. Background Art
[0002] Concrete structures are widely used in buildings, which can be single-family or multi-story apartments. Some high-rise commercial and public buildings such as conference halls, high-rise residential buildings, shops and office buildings all use this structural system.
[0003] Steel bars are usually arranged inside building columns, and the steel bars are connected to each other by direct welding. However, it is inconvenient to pre-connect the steel bars more stably during direct welding, which easily leads to dislocation of the steel bars, thereby affecting the overall bearing performance. Therefore, a steel bar connection structure for building columns is proposed. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a building column steel bar connection structure to solve the problems raised in the above background technology.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a building column steel bar connection structure, comprising a first steel bar, a second steel bar is arranged at the lower end of the first steel bar, a first fixed outer ring is installed on the outside of the first steel bar, and the first fixed outer ring is fixedly connected to the first steel bar, a second fixed outer ring is installed on the outside of the second steel bar, and the second fixed outer ring is fixedly connected to the second steel bar, a pre-connection structure is installed on the outside of the first fixed outer ring and the second fixed outer ring, the pre-connection structure consists of a first outer fixing ring, a connecting frame and a second outer fixing ring, the first outer fixing ring is located at the upper end of the connecting frame, the second outer fixing ring is located at the lower end of the connecting frame, and the outside of the first fixed outer ring is provided with an external thread.
[0008] Preferably, a sleeve is provided on the outside of the pre-connection structure, and the sleeve is connected to the pre-connection structure through threaded fitting.
[0009] Preferably, both sides of the upper end of the sleeve are provided with a pouring cavity.
[0010] Preferably, the pouring inner cavity and the sleeve are integrally formed.
[0011] Preferably, an injection port is provided on one side of the inner side of the pouring cavity.
[0012] Preferably, the injection port is communicated with the pouring inner cavity, and the injection port and the sleeve are integrally formed.
[0013] (III) Beneficial effects
[0014] Compared with the prior art, the utility model provides a building column steel bar connection structure, which has the following beneficial effects:
[0015] 1. Weld the first fixed outer ring to the outside of the first steel bar, weld the second fixed outer ring to the outside of the second steel bar, use the pre-connection structure to limit and fix the first fixed outer ring and the second fixed outer ring, the first outer fixed ring inside the pre-connection structure is connected to the first fixed outer ring, and the second outer fixed ring is connected to the second fixed outer ring, so that the first steel bar and the second steel bar are kept in a vertical state, so as to improve the stability of the first steel bar and the second steel bar during welding and prevent displacement;
[0016] 2. Put the sleeve from the lower end of the second steel bar onto its outside and rotate it. The sleeve is fixed by cooperating with the second outer fixing ring and the outer thread of the first outer fixing ring through the internal thread. Then, cement or concrete is injected into the pouring inner cavity. The cement flows into the interior of the sleeve through the injection port and wraps the outside of the first steel bar and the second steel bar, thereby making the connection between the first steel bar and the second steel bar more convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a three-dimensional diagram of the internal structure of the pipe sleeve of the utility model;
[0018] Figure 2 It is a three-dimensional diagram of the overall structure of the utility model;
[0019] Figure 3 It is a three-dimensional diagram of the utility model structure in a separated state.
[0020] In the figure: 1. first steel bar; 2. second steel bar; 3. first fixed outer ring; 4. second fixed outer ring; 5. pre-connection structure; 6. first outer fixed ring; 7. connecting frame; 8. second outer fixed ring; 9. casing; 10. pouring inner cavity; 11. injection port. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] The utility model provides a technical solution, a building column steel bar connection structure, please refer to Figure 1 , Figure 2 and Figure 3 , comprising a first steel bar 1, a second steel bar 2 is arranged at the lower end of the first steel bar 1, a first fixed outer ring 3 is installed on the outside of the first steel bar 1, and the first fixed outer ring 3 is fixedly connected to the first steel bar 1, a second fixed outer ring 4 is installed on the outside of the second steel bar 2, and the second fixed outer ring 4 is fixedly connected to the second steel bar 2, a pre-connection structure 5 is installed on the outside of the first fixed outer ring 3 and the second fixed outer ring 4, the pre-connection structure 5 consists of a first outer fixing ring 6, a connecting frame 7 and a second outer fixing ring 8, the first outer fixing ring 6 is located at the upper end of the connecting frame 7, and the second outer fixing ring 8 is located at the lower end of the connecting frame 7 The first steel bar 1 and the second steel bar 2 are welded to the outside of the first steel bar 1, and the second steel bar 2 is welded to the outside of the second steel bar 2. The first steel bar 3 and the second steel bar 2 are fixed by a pre-connection structure 5. The first outer fixing ring 6 inside the pre-connection structure 5 is connected to the first fixed outer ring 3, and the second outer fixing ring 8 is connected to the second fixed outer ring 4, so that the first steel bar 1 and the second steel bar 2 are kept in a vertical state to improve the stability during the welding process of the first steel bar 1 and the second steel bar 2 and prevent displacement and misalignment.
[0023] Furthermore, a sleeve 9 is disposed outside the pre-connection structure 5 , and the sleeve 9 is connected to the pre-connection structure 5 by threaded fitting.
[0024] For further information, see Figure 1 and Figure 2 A pouring cavity 10 is provided on both sides of the upper end of the sleeve 9.
[0025] Furthermore, the casting inner cavity 10 and the sleeve 9 are integrally formed.
[0026] Furthermore, an injection port 11 is provided on one side of the inner side of the pouring cavity 10 .
[0027] Furthermore, the injection port 11 is connected to the pouring cavity 10, and the injection port 11 is integrally formed with the sleeve 9. Cement or concrete is injected into the pouring cavity 10, and the cement flows into the interior of the sleeve 9 through the injection port 11, wrapping the outside of the first steel bar 1 and the second steel bar 2, thereby making the connection between the first steel bar 1 and the second steel bar 2 more convenient.
[0028] The working principle of the device is as follows: the first fixed outer ring 3 is welded to the outside of the first steel bar 1, and the second fixed outer ring 4 is welded to the outside of the second steel bar 2. The first fixed outer ring 3 and the second fixed outer ring 4 are limited and fixed by using a pre-connecting structure 5. The first outer fixing ring 6 inside the pre-connecting structure 5 is connected to the first fixed outer ring 3, and the second outer fixing ring 8 is connected to the second fixed outer ring 4, so that the first steel bar 1 and the second steel bar 2 are kept in a vertical state to improve the stability of the first steel bar 1 and the second steel bar 2 during welding and prevent displacement and misalignment. The sleeve 9 is sleeved from the lower end of the second steel bar 2 to the outside and rotated. The sleeve 9 is fixed by cooperating with the second outer fixing ring 8 and the outer thread of the first outer fixing ring 6 through the internal thread. Then cement or concrete is injected into the pouring inner cavity 10. The cement flows into the interior of the sleeve 9 through the injection port 11, and wraps the outside of the first steel bar 1 and the second steel bar 2, so that the connection between the first steel bar 1 and the second steel bar 2 is more convenient.
[0029] 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.
[0030] Although 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 building column steel bar connection structure, characterized in that: The invention comprises a first steel bar (1), a second steel bar (2) is arranged at the lower end of the first steel bar (1), a first fixed outer ring (3) is installed on the outside of the first steel bar (1), and the first fixed outer ring (3) is fixedly connected to the first steel bar (1), a second fixed outer ring (4) is installed on the outside of the second steel bar (2), and the second fixed outer ring (4) is fixedly connected to the second steel bar (2), a pre-connection structure (5) is installed on the outside of the first fixed outer ring (3) and the second fixed outer ring (4), and the pre-connection structure (5) consists of a first outer fixing ring (6), a connecting frame (7) and a second outer fixing ring (8), the first outer fixing ring (6) is located at the upper end of the connecting frame (7), the second outer fixing ring (8) is located at the lower end of the connecting frame (7), and the first fixed outer ring (3) is provided with an external thread on the outside.
2. A building column steel bar connection structure according to claim 1, characterized in that: A sleeve (9) is arranged outside the pre-connection structure (5), and the sleeve (9) is connected to the pre-connection structure (5) by threaded fitting.
3. A building column steel bar connection structure according to claim 2, characterized in that: Both sides of the upper end of the sleeve (9) are provided with a pouring cavity (10).
4. A building column steel bar connection structure according to claim 3, characterized in that: The pouring inner cavity (10) and the sleeve (9) are integrally formed.
5. The building column steel bar connection structure according to claim 3, characterized in that: An injection port (11) is provided on one side of the inner pouring cavity (10).
6. A building column steel bar connection structure according to claim 5, characterized in that: The injection port (11) is communicated with the pouring inner cavity (10), and the injection port (11) and the sleeve (9) are integrally formed.