Reinforcing steel bar splicing device
By designing a steel bar extension device including sleeves, threaded columns, internal threaded cylinders and polyurethane gaskets, the problems of inconvenience and easy loosening of steel bar extension in the prior art are solved, and a more efficient and safe steel bar extension process is achieved.
Patent Information
- Application Number
- CN202421200000.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-05-29
AI Technical Summary
The existing reinforcement rebar conjunction is inconvenient during disassembly and use, and is prone to loosening or falling off due to vibration, which affects safe use.
A reinforced bar continuous connection device is designed, including a sleeve consisting of an upper arc plate and a lower arc plate. The threaded column and the internal threaded column are fixed and disassembled by springs and external hexagonal columns. The friction is increased using polyurethane gaskets and ensure the components docking correctly through wedge grooves and clamps.
This device improves the fixing effect of steel bars, facilitates connection and disassembly, is easy to use, avoids falling off problems caused by vibration, and ensures safe use.
Smart Images

Figure CN222659972U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of construction, and in particular relates to a steel bar splicing device. Background Art
[0002] When rebars are connected, a rebar coupler is often used to connect the rebars. Existing rebar couplers are usually combined with two arc plates, and the two arc plates are spliced and fixed with bolts. However, the bolt connection method is not only inconvenient to disassemble, but also easily loosened or fell off due to vibration, affecting safe use. Utility Model Content
[0003] In order to solve the above-mentioned deficiencies in the prior art, the purpose of the present utility model is to provide a steel bar splicing device to solve the problems mentioned in the background technology.
[0004] The technical solution adopted by this steel bar splicing device to solve its technical problems is:
[0005] A steel bar splicing device is provided, comprising a sleeve, wherein the sleeve is composed of an upper arc plate and a lower arc plate that cooperate with each other, threaded through holes are respectively provided on both sides of the upper arc plate and the lower arc plate, threaded plug columns are respectively provided in the threaded through holes, an external thread is provided on the outer periphery of the sleeve, and internal threaded cylinders are respectively threadedly installed on both sides of the sleeve.
[0006] Furthermore, the outer ends of the threaded plugs are respectively provided with hexagonal countersunk holes.
[0007] Furthermore, an outer hexagonal column is provided in each of the inner hexagonal countersunk holes, and the outer periphery of the outer hexagonal column is in sliding contact with the inner wall of the inner hexagonal countersunk hole. A spring is provided in the inner hexagonal countersunk hole, one end of the spring is fixedly connected to the inner wall of the inner hexagonal countersunk hole, and the other end of the spring is fixedly connected to the outer hexagonal column.
[0008] Furthermore, through holes are respectively provided on the upper and lower sides of the internal threaded barrel, and the inner diameter of the through hole is smaller than the diameter of the threaded column.
[0009] Furthermore, a gasket is provided in the sleeve.
[0010] Furthermore, the gasket is made of polyurethane.
[0011] Furthermore, the upper arc plate and the lower arc plate are respectively provided with a wedge-shaped groove and a wedge-shaped clamping block, and the wedge-shaped clamping block corresponds to the wedge-shaped groove one by one.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. A steel bar splicing device exemplified in the present invention, when using the device, holes are respectively drilled on two steel bars that need to be spliced, the internal threaded tubes are respectively inserted into the steel bars, the upper arc plate and the lower arc plate are respectively buckled between the two steel bars, and the corresponding threaded columns are respectively inserted into the holes of the steel bars, the internal threaded tube is screwed into the sleeve, the sleeve is fixed, and at the same time, the inner wall of the internal threaded tube is against the threaded column, which can prevent the threaded column from falling off and improve the fixing effect of the steel bars. Through this device, the steel bars can be conveniently spliced, and it is easy to use and simple to load and unload.
[0014] 2. A steel bar splicing device according to an example of the present invention can facilitate the rotation of the threaded column through the hexagonal countersunk hole.
[0015] 3. A steel bar splicing device according to an example of the utility model can conveniently use a wrench to rotate the threaded plug column through an external hexagonal column.
[0016] 4. A steel bar splicing device according to an example of the utility model, when in use, the outer hexagonal column is inserted into the through hole to lock the inner threaded tube. When disassembly is required, the outer hexagonal column is pushed into the inner hexagonal countersunk hole to remove the inner threaded tube.
[0017] 5. A steel bar splicing device exemplified in the utility model can increase the friction between the sleeve and the steel bar through a gasket.
[0018] 6. In the example of the utility model, a steel bar splicing device is made of polyurethane with a high friction coefficient, which can provide a good anti-slip effect.
[0019] 7. A steel bar splicing device in the example of the utility model can align the upper arc plate and the lower arc plate when they are butted together through the wedge-shaped groove and the wedge-shaped clamping block, so as to avoid the misalignment of the external thread on the outer periphery of the sleeve affecting the normal installation of the internal thread tube. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:
[0021] Figure 1 It is a structural schematic diagram of the utility model.
[0022] In the figure: 1, sleeve; 11, upper arc plate; 12, lower arc plate; 2, threaded through hole; 3, threaded plug column; 4, internal threaded cylinder; 5, internal hexagonal countersunk hole; 6, external hexagonal column; 7, spring; 8, through hole; 9, gasket. DETAILED DESCRIPTION
[0023] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.
[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0025] Embodiment 1:
[0026] like Figure 1 As shown, this embodiment provides a steel bar splicing device, including a sleeve 1, wherein the sleeve 1 is composed of an upper arc plate 11 and a lower arc plate 12 that cooperate with each other, threaded through holes 2 are respectively opened on both sides of the upper arc plate 11 and the lower arc plate 12, threaded plug columns 3 are respectively provided in the threaded through holes 3, an external thread is opened on the outer periphery of the sleeve 1, and internal threaded tubes 4 are respectively threadedly installed on both sides of the sleeve 1.
[0027] In this embodiment, the outer ends of the threaded plug posts 3 are respectively provided with hexagonal countersunk holes 5 .
[0028] In this embodiment, an outer hexagonal column 6 is respectively provided in the inner hexagonal countersunk hole 5, and the outer periphery of the outer hexagonal column 6 is in sliding contact with the inner wall of the inner hexagonal countersunk hole 5. A spring 7 is provided in the inner hexagonal countersunk hole 5, one end of the spring 7 is fixedly connected to the inner wall of the inner hexagonal countersunk hole 5, and the other end of the spring 7 is fixedly connected to the outer hexagonal column 6.
[0029] In this embodiment, through holes 8 are respectively formed on the upper and lower sides of the internal threaded barrel 4 , and the inner diameter of the through hole 8 is smaller than the diameter of the threaded column 3 .
[0030] In this embodiment, a gasket 9 is provided inside the sleeve 1 .
[0031] In this embodiment, the gasket 9 is made of polyurethane.
[0032] In this embodiment, the upper arc plate 11 and the lower arc plate 12 are respectively provided with a wedge-shaped groove and a wedge-shaped clamping block, and the wedge-shaped clamping block corresponds to the wedge-shaped groove one by one.
[0033] When using the present device, holes are drilled on the two steel bars that need to be connected respectively, the internal threaded tube 4 is respectively inserted into the steel bars, the upper arc plate 11 and the lower arc plate 12 are respectively buckled between the two steel bars, and the corresponding threaded plug posts 3 are respectively inserted into the holes of the steel bars, and the internal threaded tube 4 is screwed into the sleeve 1 to fix the sleeve 1 until the internal threaded tube 4 is rotated to the external hexagonal column 6 to insert into the through hole 8, and the internal threaded tube 4 can be locked. At the same time, the inner wall of the internal threaded tube 4 is against the threaded plug post 3, which can prevent the threaded plug post 3 from falling off and improve the fixing effect of the steel bar. When disassembly is required, the external hexagonal column 6 is pushed into the internal hexagonal countersunk hole 5 to remove the internal threaded tube 4. Through the present device, the steel bars can be conveniently connected, it is easy to use, simple to load and unload, and can prevent falling off due to vibration during use, making it safer to use.
[0034] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.
[0035] Except for the technical features described in the specification, the other technical features are known technologies to those skilled in the art. In order to highlight the innovative features of the present utility model, the other technical features will not be described in detail here.
Claims
1. A steel bar splicing device, comprising a sleeve (1), characterized in that: The sleeve (1) is composed of an upper arc plate (11) and a lower arc plate (12) that cooperate with each other. Threaded through holes (2) are respectively provided on both sides of the upper arc plate (11) and the lower arc plate (12). Threaded plugs (3) are respectively provided in the threaded through holes (2). External threads are provided on the outer periphery of the sleeve (1). Internal threaded cylinders (4) are respectively threadedly installed on both sides of the sleeve (1).
2. A steel bar splicing device according to claim 1, characterized in that: The outer ends of the threaded plug posts (3) are respectively provided with hexagonal countersunk holes (5).
3. A steel bar splicing device according to claim 2, characterized in that: An outer hexagonal column (6) is respectively arranged in the inner hexagonal countersunk hole (5), and the outer periphery of the outer hexagonal column (6) is in sliding contact with the inner wall of the inner hexagonal countersunk hole (5). A spring (7) is arranged in the inner hexagonal countersunk hole (5), and one end of the spring (7) is fixedly connected to the inner wall of the inner hexagonal countersunk hole (5), and the other end of the spring (7) is fixedly connected to the outer hexagonal column (6).
4. A steel bar splicing device according to claim 1, characterized in that: Through holes (8) are respectively provided on the upper and lower sides of the internally threaded barrel (4), and the inner diameter of the through hole (8) is smaller than the diameter of the threaded plug column (3).
5. A steel bar splicing device according to claim 1, characterized in that: A gasket (9) is provided inside the sleeve (1).
6. A steel bar splicing device according to claim 5, characterized in that: The gasket (9) is made of polyurethane.
7. A steel bar splicing device according to claim 1, characterized in that: The upper arc plate (11) and the lower arc plate (12) are respectively provided with a wedge-shaped groove and a wedge-shaped clamping block, and the wedge-shaped clamping blocks correspond to the wedge-shaped grooves one by one.