Connecting sleeve of steel tie bar

Abstract

The utility model discloses a connecting sleeve of a steel tie rod, which comprises a sleeve main body, one end of the inner wall of an auxiliary locking threaded cover is fixedly connected with a sealing cushion block, the auxiliary locking threaded cover and the sealing cushion block are sleeved with the outer wall of the steel tie rod, one end of the steel tie rod is fixedly connected with a threaded insertion rod, and the threaded insertion rod is sleeved with a threaded sleeve. And the threaded insertion rod is inserted into the inner wall of the internal threaded insertion groove. The connecting sleeve of the steel tie rod can be spirally installed through the threaded insertion rod and the internal thread insertion groove, can be fixed through the internal thread insertion groove and the annular bolt, and can be extruded, locked and fixed through the auxiliary locking threaded cover and the expansion locking block; the auxiliary locking threaded cover and the steel tie bar can be subjected to extrusion sealing treatment through a sealing cushion block, the connecting position of the threaded insertion rod and the internal threaded insertion groove is sealed, corrosion is avoided, follow-up disassembly, assembly, maintenance and use are facilitated, the internal threaded insertion groove can be disassembled, assembled and replaced through a first fixing bolt, a second fixing bolt and a threaded splicing groove, and the service life of the steel tie bar is prolonged. And the steel tie bars with different sizes can be conveniently mounted.

Description

Technical Field

[0001] The utility model relates to the technical field of steel tie rod connection, in particular to a connecting sleeve for a steel tie rod. Background Art

[0002] Steel structure tie rods are connecting members whose primary function is to transmit and distribute loads within steel structures. Typically made of steel, they possess high strength and excellent fatigue resistance. In steel structures such as bridges, buildings, and towers, tie rods play a crucial role in ensuring the overall stability and safety of the structure. Connecting sleeves are required for the assembly and installation of steel structure tie rods.

[0003] The existing CN102561597A is a steel bar connecting sleeve with a wrench position on its outer surface, which makes the steel bar connection easy to tighten and convenient for construction. However, there are shortcomings. The existing equipment has a single fixed structure, poor connection stability, and the connection is easily corroded, which is inconvenient to disassemble and assemble. The installation adaptability is poor and it is inconvenient to use. Therefore, a connecting sleeve for a steel tie rod is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a connecting sleeve for a steel tie rod to solve the problems mentioned in the above background technology, such as the single fixing structure of the steel bar connecting sleeve, poor connection stability, easy rusting of the connection, inconvenient disassembly and assembly, poor installation adaptability, and inconvenient use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a connecting sleeve of a steel tie rod, comprising a sleeve body, wherein the sleeve body has a steel tie rod inserted and installed at both ends of the sleeve body, and a threaded splicing groove is opened on the inner wall of the sleeve body, and the inner wall of the threaded splicing groove is spirally inserted and installed with an internal threaded slot, and one edge of the internal threaded slot is vertically fixed with a positioning buckle block, and the positioning buckle block is inserted and installed with the positioning buckle groove. The positioning buckle groove is opened at the two edges of the sleeve body, and the positioning buckle groove and the positioning buckle block are inserted and installed with a second fixing bolt. The sleeve body and the outer wall edges of the internal threaded slot are inserted and installed with a first fixing bolt. One end of the positioning buckle block is fixedly connected to an expansion locking block, and the outer wall of the expansion locking block is sleeved with an auxiliary locking threaded cover, one end of the inner wall of the auxiliary locking threaded cover is fixedly connected to a sealing gasket, and the auxiliary locking threaded cover and the sealing gasket are sleeved with the outer wall of the steel tie rod, and one end of the steel tie rod is fixedly connected to a threaded plug rod, and the threaded plug rod is inserted and installed with the inner wall of the internal threaded slot.

[0006] Preferably, the steel tie rod is rotationally spliced and installed with the sleeve body in an internal threaded slot through a threaded insert rod.

[0007] Preferably, the steel tie rod is installed by extrusion locking on the outer wall of the expansion locking block and the internal thread slot through an auxiliary locking thread cover, and the auxiliary locking thread cover is sealed with the steel tie rod through a sealing gasket, and the sealing gasket is made of soft rubber material.

[0008] Preferably, the steel tie rod is bolt-locked and installed with the internal threaded slot through a first fixing bolt, and the first fixing bolt is distributed in a ring-shaped position on the outer wall of the sleeve body.

[0009] Preferably, the internal threaded socket is rotationally spliced and installed with the sleeve body through a threaded splicing groove.

[0010] Preferably, the internal threaded socket is fixed to the sleeve body in a double bolt manner by a first fixing bolt and a second fixing bolt.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the connecting sleeve of the steel tie rod can be spirally installed through the threaded insert rod and the internal threaded slot, and can be fixed by the ring bolt of the internal threaded slot, and the steel tie rod can be squeezed and locked by the auxiliary locking threaded cover and the expansion locking block, and the auxiliary locking threaded cover and the steel tie rod can be squeezed and sealed by the sealing gasket, and the connection between the threaded insert rod and the internal threaded slot is sealed to avoid rust, which is convenient for subsequent disassembly, maintenance and use, and the internal threaded slot can be disassembled and replaced by the first fixing bolt, the second fixing bolt and the threaded splicing groove, which is convenient for adapting to the installation of steel tie rods of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of a connecting sleeve of a steel tie rod of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of a connecting sleeve of a steel tie rod of the utility model;

[0014] Figure 3 This utility model is a connecting sleeve for a steel tie rod Figure 2 Enlarged view of point A in the middle;

[0015] Figure 4 This utility model is a connecting sleeve for a steel tie rod Figure 2 Enlarged view of point B in the middle;

[0016] Figure 5 This utility model is a connecting sleeve for a steel tie rod Figure 2 Enlarged view of point C in the middle.

[0017] In the figure: 1. Sleeve body, 2. Steel tie rod, 3. Threaded insert, 4. Auxiliary locking threaded cover, 5. Sealing gasket, 6. Positioning buckle block, 7. First fixing bolt, 8. Second fixing bolt, 9. Positioning buckle groove, 10. Expansion locking block, 11. Internal thread slot, 12. Threaded splicing groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-5 The utility model provides a technical solution: a connecting sleeve of a steel tie rod, comprising a sleeve body 1, a steel tie rod 2, a threaded insert rod 3, an auxiliary locking threaded cover 4, a sealing gasket 5, a positioning buckle block 6, a first fixing bolt 7, a second fixing bolt 8, a positioning buckle groove 9, an expansion locking block 10, an internal threaded slot 11 and a threaded splicing groove 12. The steel tie rods 2 are inserted and installed at both ends of the sleeve body 1. The steel tie rods 2 are rotationally spliced and installed with the sleeve body 1 in the internal threaded slot 11 through the threaded insert rod 3, so that the steel tie rod 2 can be conveniently installed in a spiral manner and is easy to install.

[0020] The steel tie rod 2 is installed by squeezing and locking on the outer wall of the expansion locking block 10 and the internal thread slot 11 through the auxiliary locking thread cover 4, and the auxiliary locking thread cover 4 is sealed with the steel tie rod 2 through the sealing gasket 5. The sealing gasket 5 is made of soft rubber material, so that the steel tie rod 2 can be squeezed and locked by the auxiliary locking thread cover 4 and the expansion locking block 10, and can be sealed by the sealing gasket 5 on the auxiliary locking thread cover 4 to avoid rust at the connection.

[0021] The steel tie rod 2 is installed by bolt locking with the internal threaded slot 11 through the first fixing bolt 7, and the first fixing bolt 7 is distributed in a ring-shaped position on the outer wall of the sleeve body 1, so that the steel tie rod 2 can be fixed with auxiliary bolts through the first fixing bolt 7, and the installation is stable. Threaded splicing grooves 12 are opened on both sides of the inner wall of the sleeve body 1, and the internal threaded slot 11 is spirally inserted and installed on the inner wall of the threaded splicing groove 12. The internal threaded slot 11 is rotationally spliced and installed with the sleeve body 1 through the threaded splicing groove 12, so that the internal threaded slot 11 is convenient for spiral disassembly and assembly, and convenient for adaptation and replacement.

[0022] The internal threaded socket 11 is fixed to the sleeve body 1 with double bolts by the first fixing bolt 7 and the second fixing bolt 8, so that the internal threaded socket 11 can be fixed with double bolts and the installation is stable. A positioning buckle block 6 is vertically fixed to the edge of one end of the internal threaded socket 11, and the positioning buckle block 6 is inserted and installed in the positioning buckle groove 9. The positioning buckle groove 9 is opened at the edges of both ends of the sleeve body 1, and the second fixing bolt 8 is inserted and installed on the positioning buckle groove 9 and the positioning buckle block 6. The first fixing bolt 7 is inserted and installed on the edges of both sides of the outer wall of the sleeve body 1 and the internal threaded socket 11. One end of the positioning buckle block 6 is fixedly connected to the expansion locking block 10, and the outer wall of the expansion locking block 10 is fitted with an auxiliary locking threaded cover 4. One end of the inner wall of the auxiliary locking threaded cover 4 is fixedly connected to a sealing gasket 5, and the auxiliary locking threaded cover 4 and the sealing gasket 5 are fitted with the outer wall of the steel tie rod 2. One end of the steel tie rod 2 is fixedly connected to a threaded rod 3, and the threaded rod 3 is inserted and installed in the inner wall of the internal threaded socket 11.

[0023] Working principle: When using the connecting sleeve of the steel tie rod, first, the auxiliary locking threaded cover 4 of the device is fitted on the outer wall of the two sections of the steel tie rod 2, and then one end of the two sections of the steel tie rod 2 is inserted into the internal threaded slot 11 on the inner wall of the sleeve body 1, and then spirally locked and installed, and then the auxiliary locking threaded cover 4 and the expansion locking block 10 are spirally locked, so that the expansion locking block 10 is squeezed and contracted, and the auxiliary locking threaded cover 4 and the steel tie rod 2 are squeezed and sealed by the sealing gasket 5, and the steel tie rod 2 is clamped and fixed, and then the steel tie rod 2 is fixed to the sleeve body 1 and the internal threaded slot 11 by the first fixing bolt 7. When it is necessary to adapt to the steel tie rod 2 with different connection structures, the internal threaded slot 11 can be quickly disassembled and replaced with the sleeve body 1 through the threaded splicing groove 12, the positioning buckle block 6, the second fixing bolt 8 and the positioning buckle groove 9 for adaptation and use. This is the use process of the connecting sleeve of the steel tie rod.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A connecting sleeve for a steel tie rod, comprising a sleeve body (1), wherein steel tie rods (2) are inserted and mounted at both ends of the sleeve body (1), and characterized in that: The sleeve body (1) has threaded splicing grooves (12) on both sides of the inner wall, and the inner wall of the threaded splicing groove (12) is screw-fitted with an internal threaded slot (11), and a positioning buckle block (6) is vertically fixed to one end edge of the internal threaded slot (11), and the positioning buckle block (6) is plugged and installed with the positioning buckle groove (9), and the positioning buckle groove (9) is opened at both ends of the sleeve body (1), and a second fixing bolt (8) is plugged and installed on the positioning buckle groove (9) and the positioning buckle block (6), and the outer walls of the sleeve body (1) and the internal threaded slot (11) are fixed vertically with a positioning buckle block (6). A first fixing bolt (7) is installed in a plug-in manner on the side edge, one end of the positioning buckle block (6) is fixedly connected to an expansion locking block (10), and an auxiliary locking threaded cover (4) is installed in a sleeve manner on the outer wall of the expansion locking block (10), one end of the inner wall of the auxiliary locking threaded cover (4) is fixedly connected to a sealing gasket (5), and the auxiliary locking threaded cover (4) and the sealing gasket (5) are installed in a sleeve manner on the outer wall of the steel tie rod (2), one end of the steel tie rod (2) is fixedly connected to a threaded insert rod (3), and the threaded insert rod (3) is installed in a plug-in manner on the inner wall of the internal thread slot (11).

2. The connecting sleeve for a steel tie rod according to claim 1, characterized in that: The steel tie rod (2) is rotationally spliced and installed with the sleeve body (1) in the internal threaded slot (11) via the threaded insert rod (3).

3. The connecting sleeve for a steel tie rod according to claim 2, characterized in that: The steel tie rod (2) is installed in a squeeze-locked manner on the outer wall of the expansion locking block (10) and the internal threaded slot (11) through the auxiliary locking threaded cover (4), and the auxiliary locking threaded cover (4) is sealedly connected to the steel tie rod (2) through the sealing gasket (5), and the sealing gasket (5) is made of soft rubber material.

4. The connecting sleeve for a steel tie rod according to claim 3, characterized in that: The steel tie rod (2) is bolt-locked and installed with the internal threaded slot (11) via a first fixing bolt (7), and the first fixing bolt (7) is distributed in an annular position on the outer wall of the sleeve body (1).

5. The connecting sleeve for a steel tie rod according to claim 4, characterized in that: The internal threaded slot (11) is rotationally spliced and installed with the sleeve body (1) via the threaded splicing groove (12).

6. The connecting sleeve for a steel tie rod according to claim 5, characterized in that: The internal threaded slot (11) is fixedly mounted to the sleeve body (1) in a double-bolt manner via a first fixing bolt (7) and a second fixing bolt (8).

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