Quick connecting sleeve for reinforcing steel bars

Abstract

The utility model relates to the technical field of steel bar connectors, in particular to a quick connecting sleeve for steel bars, which comprises a sleeve and two connecting sleeves, the sleeve is of an integrally formed cylindrical structure, and double threads are arranged between the connecting sleeves and the sleeve. The locking component is used for being installed on the reinforcing steel bar, connected with the connecting sleeve in an abutting mode and used for limiting displacement of the connecting sleeve on the reinforcing steel bar, according to the rapid connecting sleeve for the reinforcing steel bar, the double-thread design is adopted, the fastening force and the anti-loosening performance of threaded connection are improved through the design, stress can be dispersed in the locking process, thread abrasion is reduced, and the service life of the reinforcing steel bar is prolonged. And the polygonal sleeve is manufactured in a forging and pressing mode, so that the strength and durability of the sleeve are improved, the bearing capacity of the sleeve is improved, and the service life of the device is further prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar connectors, in particular to a steel bar quick connection sleeve. Background Art

[0002] The existing split steel bar connecting sleeves used for steel bar connection, either the sleeve is split, or the thread head is split, or the connecting sleeve is split, all use a machined thread on the end to connect with its split part. Although it can ensure its safety, its strength is poor during continuous use, and its threaded connection part is often easily damaged, affecting the overall stability, and thus affecting the stable connection of the steel bar. For this reason, we propose a steel bar quick connection sleeve. Utility Model Content

[0003] A technical problem to be solved by the present application is to propose a new connection structure of a steel bar quick connection sleeve to solve the problem of insufficient strength affecting the stable connection of the steel bars during continuous use.

[0004] In order to solve the above technical problems, the embodiment of the present application provides a steel bar quick connection sleeve, including a sleeve, the sleeve is an integrally formed cylindrical structure, and also includes:

[0005] A connecting sleeve, wherein two connecting sleeves are provided, and a double-thread thread is provided between the connecting sleeve and the sleeve;

[0006] The locking component is used to be installed on the steel bar and abut against the connecting sleeve to limit the displacement of the connecting sleeve on the steel bar.

[0007] In some embodiments, the outer surface of the sleeve is a polygonal structure and is made by forging.

[0008] In some embodiments, the outer surface of the sleeve is a multi-faceted straight-edge structure.

[0009] In some embodiments, the outer surface of the sleeve is a multi-faceted arc-edge structure.

[0010] In some embodiments, the locking component includes a locking nut, which is threadedly connected to the connecting sleeve and abuts against the sleeve after being tightened.

[0011] In some embodiments, one end of the connecting sleeve is a straight tube structure and the other end surface is covered with double-threaded threads.

[0012] In some embodiments, one end of the connecting sleeve is a polygonal structure and the other end surface is covered with a double-threaded structure.

[0013] The utility model has at least the following beneficial effects:

[0014] The present application adopts a double-line thread design, which not only improves the tightening force and anti-loosening performance of the threaded connection, but also helps to disperse stress during the locking process, reduce thread wear, and extend the service life of the device. The multi-faceted sleeve made by forging not only improves the strength and durability of the sleeve, but also helps to increase the bearing capacity of the sleeve, further extending the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the present utility model;

[0016] Figure 2 This is a schematic diagram of the outer surface of the sleeve of the utility model having a multi-faceted structure;

[0017] Figure 3 This is a schematic diagram comparing the single-line thread and the double-line thread of the utility model;

[0018] Figure 4 This is a schematic diagram of the overall structure of Embodiment 2 of the present utility model;

[0019] Figure 5 This is a schematic diagram of the straight-edge sleeve structure of Example 3 of the utility model;

[0020] Figure 6 This is a schematic diagram of the arc-edge sleeve structure of Example 4 of the utility model.

[0021] In the figure: 1. sleeve; 2. connecting sleeve; 3. locking component; 5. double-thread; 6. locking nut. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1: Please refer to Figure 1 and Figure 2 The utility model provides a technical solution: a steel bar quick connection sleeve, comprising a sleeve 1, the sleeve 1 is an integrally formed cylindrical structure, and the outer surface of the sleeve 1 can be forged into a multi-faceted structure to improve its bearing capacity and effectively extend its service life;

[0024] In addition, it also includes:

[0025] There are two connecting sleeves 2, and a double thread 5 is provided between the connecting sleeve 2 and the sleeve 1. Figure 3As shown, the double-thread 5 is a thread structure with two symmetrical spiral lines. Its advantages are better load-bearing capacity, higher fastening strength and lower wear rate. The lead of the double-thread 5 refers to the distance between the two spiral lines, or the distance moved by each turn of the thread. In layman's terms, it is the "step length of the thread". The biggest difference between the double-thread 5 and the single-thread is that its lead is twice that of the single-thread. That is to say, for threads of the same length and the same diameter, the lead of the double-thread pitch 5 is longer than that of the single-thread pitch. Therefore, for threads of the same length, the transmission efficiency of the double-thread 5 is higher than that of the single-thread. The double-thread 5 The torque conversion efficiency is higher, which is very important for the design of some high-torque transmission devices. Secondly, since the pitch of the double-thread 5 is larger than that of the single-thread, the double-thread 5 can be shorter at the same length, which is very important for the design of some mechanisms with limited space. This is also one of the reasons why the double-thread 5 is widely used. However, the manufacturing difficulty of the double-thread 5 is higher than that of the single-thread, and more mature and complex processing equipment and technology are required. Therefore, the manufacturing cost of the double-thread 5 is higher than that of the single-thread, but from the perspective of transmission efficiency and design space, the advantages of the double-thread 5 are still obvious;

[0026] The locking component 3 includes a locking nut 6, which is installed on the connecting sleeve 2. In this way, when in use, the thread is easy to rotate loose when subjected to tension and torque, and the locking nut 6 is used to effectively protect it.

[0027] It should be noted that in this embodiment, one end of the connecting sleeve 2 is a straight tube structure and the other end surface is covered with a cylindrical structure with double-thread threads 5. In this way, the connecting sleeve 2 can be directly installed using a pipe clamp when in use, avoiding increasing the processing difficulty and cost of the connecting sleeve 2.

[0028] Example 2: Please refer to Figure 4 On the basis of Example 1, the present application provides another technical solution for the connecting sleeve 2: one end of the connecting sleeve 2 is a polygonal structure and the other end is covered with a double-line thread 5. Through such a design, the disassembly and assembly of the connecting sleeve 2 is more flexible, and the polygonal design can be used to disassemble and assemble the connecting sleeve 2 through a variety of tools, thereby improving the convenience of use on the construction site, but the corresponding processing cost and difficulty will increase.

[0029] Example 3: See attached Figure 5 As shown, this embodiment provides a technical solution based on Embodiment 1: the sleeve 1 is a forged multi-sided straight-edge structure, which can provide better structural strength and stability by using its straight edges and corners, so as to be suitable for occasions that need to withstand heavy loads, impact loads or alternating loads.

[0030] Example 4: See attached Figure 6As shown: Based on Example 1, this embodiment provides a technical solution different from Example 3: the sleeve 1 is a forged multi-edge arc edge structure. This design increases the smoothness of the sleeve 1 while maintaining strength, reduces contact wear during use, and the rounded edges can reduce stress concentration and improve the durability and safety of the product.

[0031] Embodiment 5: Different from Embodiment 1, the connecting sleeve 2 and the sleeve 1 can also be connected by a three-thread thread, which has a stronger load-bearing capacity, can withstand a larger load, and can be better suitable for occasions with heavy pressure, high temperature, high pressure and strong vibration.

[0032] 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.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A steel bar quick connection sleeve, comprising a sleeve (1), characterized in that: The sleeve (1) is an integrally formed cylindrical structure, and further comprises: A connecting sleeve (2), wherein two connecting sleeves (2) are provided, and a double-thread thread (5) is provided between the connecting sleeve (2) and the sleeve (1); A locking component (3), wherein the locking component (3) comprises a locking nut (6), and the locking nut (6) is threadedly connected to the connecting sleeve (2).

2. The steel bar quick connection sleeve according to claim 1, characterized in that: The outer surface of the sleeve (1) is a polygonal structure and is manufactured by forging.

3. The steel bar quick connection sleeve according to claim 2, characterized in that: The outer surface of the sleeve (1) is a multi-faceted straight-edge structure.

4. The steel bar quick connection sleeve according to claim 2, characterized in that: The outer surface of the sleeve (1) is a multi-faceted arc-edge structure.

5. The steel bar quick connection sleeve according to claim 1, characterized in that: After the lock nut (6) is tightened, it contacts the sleeve (1).

6. The steel bar quick connection sleeve according to claim 1, characterized in that: One end of the connecting sleeve (2) is a straight tube structure and the surface of the other end is covered with a double-thread thread (5).

7. The steel bar quick connection sleeve according to claim 1, characterized in that: One end of the connecting sleeve (2) is a polygonal structure and the surface of the other end is covered with a double-thread thread (5).

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