Self-tensioning steel bar connector

Abstract

The invention discloses a self-tensioning steel bar connector, and belongs to the technical field of building parts. The self-tensioning steel bar connector includes a sleeve tube with a sleeve tube cavity, a steel bar end insertion-in depth reference limiting mechanism, a first steel bar end self-tensioning mechanism I and a second steel bar end self-tensioning mechanism II, wherein the steel barend insertion-in depth reference limiting mechanism is arranged in the middle of the height direction of the sleeve tube cavity of the sleeve tube; the first steel bar end self-tensioning mechanism Iis arranged at the position, corresponding to the upper end of the sleeve tube, of the inner part of the sleeve tube cavity; and the second steel bar end self-tensioning mechanism II is further arranged at the position, corresponding to the lower end of the sleeve tube, of the inner part of the sleeve tube cavity. The self-tensioning steel bar connector has the advantages that the structure is simplified, the operation during construction is facilitated, production and assembly are facilitated, the steel bar butt joint efficiency at a construction site is improved, and the end butt joint reliability of steel bars is ensured.

Description

technical field [0001] The invention belongs to the technical field of building components, and in particular relates to a self-tensioning steel bar connector. Background technique [0002] From the definition of the aforementioned steel bar connector, it can be known that it is used to connect the ends of two steel bars, and the aforementioned steel bar mainly refers to rebar. [0003] As known in the industry, all kinds of construction facilities on the ground, underground and even underwater generally need to use reinforced concrete, and reinforced concrete cannot be separated from the aforementioned rebar. Before the concrete is poured, a steel skeleton needs to be constructed (construction workers are used to calling it "rebarning"). If the original or traditional construction method is followed, welding is often used to weld the two rebars that need to be butted to each other at the ends during the construction of the steel skeleton. This method has the following self...

AI Technical Summary

Problems solved by technology

If the original or traditional construction method is followed, welding is often used to weld the two rebars that need to be butted to each other at the ends during the construction of the steel skeleton. This method has the following self-evident shortcomings: First, because welding equipment such as electric welding machines need power support, they are critical to the construction site. For example, the power supply must be led to the welding equipment at the butt joint station of the steel bar through cables or similar feeder lines, and the power supply must be led to The work of welding equipment is both troublesome and unsafe; secondly, because welding needs to be operated by qualified personnel, it is also picky about the operators; thirdly, due to the relatively low efficiency of welding, it will have a certain impact on the progress of the project. Fourthly, the work intensity of welding workers is high, and the consistency of welding quality is difficult to guarantee

[0004] The use of steel bar connectors can avoid the above-mentioned shortcomings to a large extent, and all technical information related to the aforementioned steel bar connectors can be seen in the published Chinese patent documents, such as "a connection assembly for steel bars" recommended by CN208830600U for example "And the "reinforcement quick connector" provided by CN210032349U, because these two patent structures are all split, that is, composed of the first cylindrical sleeve, the second cylindrical sleeve and the sealing connection sleeve, when in use, it will need to be docked One end of one of the two steel bars is inserted into the first cylindrical sleeve cavity of the first cylindrical sleeve with thread on the inner wall, and one end of the other steel bar in the two steel bars is inserted into the inner wall with the same thread The second cylindrical sleeve cavity of the threaded second cylindrical sleeve, and the aforementioned first cylindrical sleeve and the opposite end of the second cylindrical sleeve are locked by the aforementioned sealed connection sleeve, so not only the connection efficiency and effect are affected , and the operation is relatively cumbersome

[0005] Typical such as CN204878162U introduces "a locking sleeve structure for quick connection of reinforced steel rods", through the reading of the specification No. 0011 to 0013 of the patent, it can be seen that although it has the advantages of convenient processing of the inner tapper sleeve and the outer taper sleeve Advantages, but the overall structure is relatively complicated and because the inner tapper sleeve and the outer taper sleeve need to be screwed together as a whole, not only the operation is still relatively troublesome, but the overall strength is difficult to guarantee

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