Combined steel bar connecting structure
By designing a combined steel bar connection structure, the external sleeve and connecting components are used to achieve fast and accurate connection of steel bars, the problems of low efficiency and unstable quality of steel bar connection in the existing technology are solved, and efficient and reliable steel bar mechanical connection technology is achieved.
Patent Information
- Application Number
- CN202420655335.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The existing steel bar connection methods are inefficient and prone to errors, which cannot meet the needs of modern construction projects, and the mechanical connection technology is complex and the quality is unstable.
A combined steel bar connection structure is designed to realize the removable connection between the first steel bar connection section and the second steel bar connection section through the external sleeve and the connecting assembly to ensure fast and accurate connection.
It realizes fast and accurate connection of steel bars, improves construction efficiency, reduces costs, ensures project quality, and has reliable performance and long life to adapt to various harsh environments.
Smart Images
Figure CN222667332U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of construction, and in particular relates to a combined steel bar connection structure. Background Art
[0002] Steel bar engineering is a very important part of the construction industry, especially in large-scale buildings and special projects, such as nuclear power projects, where its quality, efficiency and cost have received great attention. However, the prior art discloses some connection methods in the steel bar construction industry, including straight tube connection, grouting fixed connection, extrusion connection, etc. The above traditional steel bar connection methods are usually inefficient and prone to errors, and cannot meet the needs of modern construction projects. At the same time, although the componentized steel bar construction method can improve construction efficiency and project quality, its mechanical connection technology still has some problems, such as complex operation and unstable quality.
[0003] In view of the above factors, a combined steel bar connection structure is specially designed. The joint of this connection structure can quickly and accurately complete the connection of steel bars, improve construction efficiency, reduce costs, and ensure project quality. At the same time, the joint has reliable performance and long life, and can adapt to various harsh working environments. Utility Model Content
[0004] The purpose of the utility model is to provide a combined steel bar connection structure to solve the problems raised in the above background technology.
[0005] The purpose of the utility model is achieved through the following technical solutions: a combined steel bar connection structure, comprising a first steel bar connection section and a second steel bar connection section, wherein the first steel bar connection section and the second steel bar connection section are detachably connected through an external sleeve;
[0006] The external sleeve also includes a connection assembly, which is arranged at the end of the second steel bar connection section;
[0007] The end surfaces of the first steel bar connecting section and the second steel bar connecting section are butted and overlapped and are located on the same central axis.
[0008] Furthermore, both ends of the external sleeve are provided with matching threads, one end of the external sleeve is connected to the first steel bar connecting section, and the other end is matched with the connecting assembly.
[0009] Furthermore, a gap of 1-2 thread pitches is left between the connection end of the external sleeve and the first steel bar connection section.
[0010] Furthermore, the connection assembly includes an inner sleeve and a locking nut, the inner sleeve is connected to the threaded end of the second steel bar connection section, the locking nut is sleeved on the second steel bar connection section, and the locking nut is threadedly connected to the outer sleeve.
[0011] Furthermore, an accommodating cavity groove is provided in the external sleeve, and an internal sleeve is matched in the accommodating cavity groove, wherein the internal sleeve and the accommodating cavity groove are matched with each other with a clearance.
[0012] Furthermore, the gap between the inner sleeve and the accommodating cavity groove is 1-2 mm.
[0013] Furthermore, the connection end between the second steel bar connection section and the inner sleeve extends out of a gap of 1-2 thread pitches from the end face of the inner sleeve to facilitate docking when in use.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] The joint of the utility model can quickly and accurately complete the connection of steel bars, improve construction efficiency, reduce costs, and ensure project quality. At the same time, the joint has reliable performance and long life, and can adapt to various harsh working environments. The implementation of the utility model will provide a new, efficient, and reliable steel bar mechanical connection technology for construction projects, meeting the needs of modern construction projects. The utility model is suitable for the connection of steel bars between reinforced concrete slabs. Through the rapid connection of the steel bar connection structure, the residual deformation of the connection structure during repeated tension and compression in engineering applications is reduced, so that it meets the performance requirements of the national Class I joint standard. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a connection schematic diagram of the utility model. DETAILED DESCRIPTION
[0017] 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 in 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.
[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0020] like Figure 1 As shown, a combined steel bar connection structure comprises a first steel bar connection section 1 and a second steel bar connection section 5, wherein the first steel bar connection section 1 and the second steel bar connection section 5 are detachably connected via an external sleeve 2;
[0021] The external sleeve 2 also includes a connecting assembly, which is arranged at the end of the second steel bar connecting section 5. The connecting assembly includes an internal sleeve 3 and a locking screw sleeve 4. The internal sleeve 3 is connected to the threaded end of the second steel bar connecting section 5. The locking screw sleeve 4 is sleeved on the second steel bar connecting section 5, and the locking screw sleeve 4 is threadedly connected to the external sleeve 2.
[0022] The end surfaces of the first steel bar connecting section 1 and the second steel bar connecting section 5 are butted against each other and overlap and are located on the same central axis.
[0023] In order to facilitate disassembly and replacement during use and achieve the purpose of quick docking, both ends of the external sleeve 2 are provided with matching threads, one end of the external sleeve 2 is connected to the first steel bar connecting section 1, and the other end cooperates with the connecting assembly.
[0024] In order to facilitate effective docking and fitting of the end faces of the first steel bar connecting section 1 and the second steel bar connecting section 5 when in use, a gap of 1-2 thread pitches is left between the connecting end of the external sleeve 2 and the first steel bar connecting section 1 .
[0025] In order to leave a gap in use to facilitate adjustment of the connection between the first steel bar connecting section and the second steel bar connecting section, an accommodating cavity groove is provided in the external sleeve 2, and an internal sleeve 3 is matched in the accommodating cavity groove, wherein the internal sleeve 3 and the accommodating cavity groove have a gap of 1-2mm.
[0026] The utility model is a highly efficient and reliable steel bar mechanical connection form, which improves construction efficiency, reduces costs, and ensures engineering quality. It also has reliable performance and long life, and can adapt to various harsh working environments.
[0027] When the utility model is used, first, the external sleeve 2 is installed on the first steel bar connection section 1, and it is ensured that it is tightened so that the end face of the first steel bar connection section 1 is exposed. Then, the locking nut 4 is placed on the second steel bar connection section 5, the internal sleeve 3 is connected to the second steel bar connection section 5, and is rotated until the end face of the second steel bar connection section 5 is exposed beyond the internal sleeve 3. Then, the second steel bar connection section 5 and the internal sleeve 3 are screwed into the external sleeve 2 together, and tightened until the end faces of the first steel bar connection section 1 and the second steel bar connection section 5 are pressed against each other. Finally, the locking nut 4 is screwed into the external sleeve 2 and locked, thereby completing the entire connection process.
[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A combined steel bar connection structure, characterized in that: It comprises a first steel bar connection section (1) and a second steel bar connection section (5), wherein the first steel bar connection section (1) and the second steel bar connection section (5) are connected in a detachable manner via an external sleeve (2); The external sleeve (2) also includes a connection assembly, which is arranged at the end of the second steel bar connection section (5); The end surfaces of the first steel bar connecting section (1) and the second steel bar connecting section (5) are butted and overlapped and are located on the same central axis.
2. The combined steel bar connection structure according to claim 1, characterized in that: Both ends of the external sleeve (2) are provided with matching threads; one end of the external sleeve (2) is connected to the first steel bar connecting section (1), and the other end is matched with the connecting assembly.
3. The combined steel bar connection structure according to claim 2, characterized in that: A gap of 1 to 2 thread pitches is left between the connection end of the external sleeve (2) and the first steel bar connection section (1).
4. The combined steel bar connection structure according to claim 3, characterized in that: The connection assembly comprises an inner sleeve (3) and a locking screw sleeve (4), wherein the inner sleeve (3) is connected to the threaded end of the second steel bar connection section (5), the locking screw sleeve (4) is sleeved on the second steel bar connection section (5), and the locking screw sleeve (4) is threadedly connected to the outer sleeve (2).
5. The combined steel bar connection structure according to claim 4, characterized in that: An accommodating cavity groove is provided in the external sleeve (2), and an internal sleeve (3) is matched in the accommodating cavity groove, wherein the internal sleeve (3) and the accommodating cavity groove are matched with each other in a clearance.
6. The combined steel bar connection structure according to claim 5, characterized in that: The gap between the inner sleeve (3) and the accommodating cavity groove is 1-2 mm.
7. The combined steel bar connection structure according to claim 6, characterized in that: The connection end between the second steel bar connection section (5) and the inner sleeve (3) extends out of a gap of 1 to 2 thread pitches from the end face of the inner sleeve (3).