Shackle convenient to disassemble and assemble

Abstract

The utility model discloses a shackle convenient to disassemble and assemble in the technical field of shackles, which comprises a retaining ring, a bolt and a buckling mechanism, two ends of the retaining ring are respectively and fixedly connected with a first connecting ring and a second connecting ring, the bolt sequentially penetrates through the first connecting ring and the second connecting ring, one end of the bolt is fixedly connected with a limiting plate, and the other end of the bolt is fixedly connected with the buckling mechanism. The limiting plate abuts against the first connecting ring, a third connecting ring is fixedly connected to one end of the limiting plate, an annular connecting groove is formed in one side of the first connecting ring, the third connecting ring is in threaded connection with the annular connecting groove, and the buckling mechanism is connected to the second connecting ring. The bolt has the advantages that the bolt is fixed through connection of the third connecting ring and the annular connecting groove, meanwhile, the bolt is limited and fixed through the second connecting ring through the buckling mechanism, the stability of the bolt is further improved, and the use safety is further improved; and the second connecting ring can be controlled to limit the bolt through the knob, so that the dismounting operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of shackles, in particular to a shackle that is convenient for disassembly and assembly. Background Technique

[0002] A shackle, also known as a snap hook or link, is a connecting tool widely used in lifting operations. It is used in conjunction with rigging such as wire ropes. Shackles are widely used in multiple fields, including construction, manufacturing, logistics, mining, and rescue. At a construction site, it is used to lift heavy building materials such as steel bars, stones, and precast concrete components; in a factory, it is used to lift large equipment and heavy machinery; and in the logistics industry, shackles play an important role in the handling and stacking of containers.

[0003] In the prior art, the commonly used shackle usually has a thread provided in the pin hole at one end of the buckle ring, and an external thread provided on the outer side of one end of the bolt pin. The bolt pin is connected and fixed to the buckle ring through thread connection. A single bolt fixation is prone to thread slipping after long-term use, which is relatively dangerous. Therefore, a shackle that is both safe and convenient for disassembly and assembly is needed. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that the existing shackles cannot balance safety and the convenience of disassembly and assembly.

[0005] To achieve the above object, the technical solution provided by the utility model is as follows:

[0006] A shackle that is convenient for disassembly and assembly, including a buckle ring. The buckle ring is U-shaped. It also includes a bolt pin and a buckling mechanism. First connection rings and second connection rings are respectively fixedly connected to both ends of the buckle ring. The bolt pin sequentially passes through the first connection ring and the second connection ring. A limiting plate is fixedly connected to one end of the bolt pin. The limiting plate abuts against the first connection ring. A third connection ring is fixedly connected to one end of the limiting plate. An annular connection groove is provided on one side of the first connection ring. The third connection ring is threadedly connected to the annular connection groove. The buckling mechanism is connected to the second connection ring and is used to limit the bolt pin.

[0007] Further, a pull ring is fixedly connected to the other side of the limiting plate.

[0008] Further, the buckling mechanism includes a clamping block. One end of the clamping block is provided with an inclined cutting surface. An annular clamping groove is provided on the bolt pin. The clamping block is adapted to the annular clamping groove. Connecting plates are symmetrically and fixedly connected to both sides of the clamping block. A sliding rod is slidably connected to the connecting plates. The sliding rod is fixedly connected to the second connection ring. A spring is sleeved on the sliding rod. One end of the spring is fixedly connected to one side of the connecting plate, and the other end of the spring is connected to the inside of the second connection ring.

[0009] Further, a sliding groove is provided in the second connecting ring. One end of the sliding groove penetrates and communicates with the inner hole wall of the second connecting ring. The clamping block is slidably arranged in the sliding groove. Limiting grooves are symmetrically arranged on both sides of the sliding groove. The connecting plate is slidably connected in the limiting grooves. The sliding rod is fixedly connected in the limiting grooves. The other side of the spring is fixedly connected to the inner wall of the limiting groove.

[0010] Further, an adjusting rod is rotatably connected to the clamping block. One end of the adjusting rod rotatably extends out of the second connecting ring. A threaded block is fixedly connected to the adjusting rod. A connecting seat is fixedly connected to the outside of the second connecting ring. A threaded groove is provided on the connecting seat. The threaded block is threadedly connected to the threaded groove.

[0011] Further, a knob is fixedly connected to one end of the adjusting rod. A plurality of anti-slip ribs are provided on the outer circumference of the knob.

[0012] Further, a limiting piece is fixedly connected to the other end of the adjusting rod. The other end of the adjusting rod is rotatably connected to the clamping block through the limiting piece.

[0013] The beneficial effects achieved by the present invention with the above structure are as follows:

[0014] The bolt is inserted through the first connecting ring and the second connecting ring. The fixing of the bolt is realized through the connection between the bolt and the annular connection groove on the first connecting ring by the third connecting ring. At the same time, the second connecting ring limits and fixes the bolt through the buckle mechanism, further improving the stability of the bolt, thereby improving the safety in use. And the limiting of the bolt by the second connecting ring can be controlled through the knob, and the disassembly and assembly operations are simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the whole machine of the present invention.

[0016] Figure 2 is a schematic diagram of the bolt connection of the present invention.

[0017] Figure 3 is a schematic diagram of the buckle connection of the present invention.

[0018] Figure 4 is a cross-sectional view of the second connecting ring of the present invention.

[0019] Figure 5 is a schematic diagram of the buckle mechanism of the present invention.

[0020] Figure 6 is a cross-sectional view of the buckle mechanism of the present invention.

[0021] Description of the reference numerals:

[0022] 1. Shackle, 101. First connecting ring, 102. Second connecting ring, 103. Annular connecting groove, 104. Slide groove, 105. Limit groove, 106. Connecting seat, 107. Thread groove, 2. Pin, 201. Limit plate, 202. Pull ring, 203. Third connecting ring, 204. Annular clamping groove, 3. Buckle mechanism, 301. Block, 302. Connecting plate, 303. Slide bar, 304. Spring, 305. Adjusting rod, 306. Threaded block, 307. Knob, 308. Anti-slip rib, 309. Limit piece. Detailed implementation manner

[0023] As Figure 1-6 shown, a shackle convenient for disassembly and assembly includes a shackle 1, the shackle 1 is set to be U-shaped, and also includes a pin 2 and a buckle mechanism 3. The two ends of the shackle 1 are respectively fixedly connected with a first connecting ring 101 and a second connecting ring 102. The pin 2 passes through the first connecting ring 101 and the second connecting ring 102 in sequence. One end of the pin 2 is fixedly connected with a limit plate 201, the limit plate 201 abuts against the first connecting ring 101, one end of the limit plate 201 is fixedly connected with a third connecting ring 203, an annular connecting groove 103 is arranged on one side of the first connecting ring 101, and the third connecting ring is threadedly connected to the annular connecting groove 103. The buckle mechanism 3 is connected to the second connecting ring 102, and the buckle mechanism 3 is used to limit the pin 2. A pull ring 202 is fixedly connected to the other side of the limit plate 201, so as to facilitate the rotation of the pin 2.

[0024] As Figure 2 、 4 As shown in FIGS. 4 and 5, in order to limit the pin 2 through the second connecting ring 102 and improve the connection stability of the pin 2, the buckle mechanism 3 includes a block 301, one end of the block 301 is set to be an inclined plane, an annular clamping groove 204 is arranged on the pin 2, the block 301 is adapted to the annular clamping groove 204, connecting plates 302 are symmetrically and fixedly connected to both sides of the block 301, a slide bar 303 is slidably connected to the connecting plates 302, the slide bar 303 is fixedly connected to the second connecting ring 102, a spring 304 is sleeved on the slide bar 303, one end of the spring 304 is fixedly connected to one side of the connecting plate 302, the other end of the spring 304 is connected to the inside of the second connecting ring 102, a slide groove 104 is arranged in the second connecting ring 102, one end of the slide groove 104 penetrates and communicates with the inner hole wall of the second connecting ring 102, the block 301 is slidably arranged in the slide groove 104, limit grooves 105 are symmetrically arranged on both sides of the slide groove 104, the connecting plates 302 are slidably connected to the limit grooves 105, the slide bar 303 is fixedly connected to the limit grooves 105, and the other side of the spring 304 is fixedly connected to the inner wall of the limit groove 105.

[0025] As Figure 5 、 6As shown in the figure, in order to regulate the limit of the latch 301 on the bolt 2, an adjusting rod 305 is rotatably connected to the latch 301. One end of the adjusting rod 305 rotatably extends out of the second connecting ring 102. A threaded block 306 is fixedly connected to the adjusting rod 305. A connecting seat 106 is fixedly connected to the outside of the second connecting ring 102. A threaded groove 107 is provided on the connecting seat 106. The threaded block 306 is threadedly connected to the threaded groove 107. A knob 307 is fixedly connected to one end of the adjusting rod 305. A plurality of anti-slip ribs 308 are provided on the outer periphery of the knob 307. A limiting piece 309 is fixedly connected to the other end of the adjusting rod 305. The other end of the adjusting rod 305 is rotatably connected to the latch 301 through the limiting piece 309.

[0026] When the present utility model is in use, hold the pull ring 202 by hand and pass the bolt 2 through the first connecting ring and the second connecting ring 102 in sequence. When the third connecting ring 203 abuts against the first connecting ring 101, rotate the pull ring 202 to drive the bolt 2 to rotate, so that the third connecting ring 203 is threadedly connected into the annular connecting groove 103, and the other end of the bolt 2 completely passes through the second connecting ring 102. When the bolt 2 passes through the second connecting ring 102, it squeezes the latch 301 to contract into the sliding groove 104 until the annular clamping groove 204 moves into the second connecting ring 102. Under the action of the spring 304, the spring 304 squeezes the connecting plate 302 to drive the latch 301 to extend into the second connecting ring 102 and into the annular clamping groove 204 to realize the limit of the bolt 2. Rotate the knob 307 to adjust the threaded block 306 to be threadedly connected into the threaded groove 107 to fix the latch 301, that is, complete the fixation of the bolt 2.

[0027] When disassembly is required, rotate the knob 307 to make the threaded block 306 disengage from the threaded groove 107, and then pull the knob 307 to drive the latch 301 to disengage from the annular clamping groove 204 through the adjusting rod 305. Then rotate the pull ring 202 to make the third connecting ring 203 disengage from the annular connecting groove 103, and the bolt 2 can be pulled out to realize disassembly.

[0028] In summary: In the embodiment of the present utility model, the bolt 2 is inserted through the first connecting ring 101 and the second connecting ring 102. The bolt 2 is fixed by the connection between the third connecting ring 203 and the annular connecting groove 103 on the first connecting ring 101. At the same time, the second connecting ring 102 limits and fixes the bolt 2 through the buckle mechanism 3, further improving the stability of the bolt 2, and then improving the safety of use. And the limit of the second connecting ring 102 on the bolt 2 can be controlled by the knob 307, and the disassembly and assembly operations are simple and convenient.

[0029] The above describes the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. In general, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the creation of the present utility model, design similar structural modes and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.

Claims

1. A shackle that is easy to disassemble and assemble, including a buckle ring, the buckle ring is set in a U shape, and is characterized in that: It further includes a bolt and a buckle mechanism. First connecting rings and second connecting rings are fixedly connected to two ends of the buckle respectively. The bolt sequentially passes through the first connecting ring and the second connecting ring. A limiting plate is fixedly connected to one end of the bolt. The limiting plate abuts against the first connecting ring. A third connecting ring is fixedly connected to one end of the limiting plate. An annular connecting groove is provided on one side of the first connecting ring. The third connecting ring is threadedly connected to the annular connecting groove. The buckle mechanism is connected to the second connecting ring and is used for limiting the bolt.

2. The shackle that is easy to disassemble and assemble according to claim 1 is characterized in that: A pull ring is fixedly connected to the other side of the limiting plate.

3. The shackle that is easy to disassemble and assemble according to claim 2, characterized in that: The buckle mechanism includes a clamping block. One end of the clamping block is provided with an inclined plane. An annular clamping groove is provided on the bolt. The clamping block is adapted to the annular clamping groove. Connecting plates are symmetrically and fixedly connected to both sides of the clamping block. A sliding rod is slidably connected to the connecting plates. The sliding rod is fixedly connected to the second connecting ring. A spring is sleeved on the sliding rod. One end of the spring is fixedly connected to one side of the connecting plate, and the other end of the spring is connected to the inside of the second connecting ring.

4. The shackle that is easy to disassemble and assemble according to claim 3, wherein: A sliding groove is provided in the second connecting ring. One end of the sliding groove penetrates and communicates with the inner hole wall of the second connecting ring. The clamping block is slidably arranged in the sliding groove. Limiting grooves are symmetrically provided on both sides of the sliding groove. The connecting plates are slidably connected to the limiting grooves. The sliding rod is fixedly connected to the limiting grooves. The other side of the spring is fixedly connected to the inner wall of the limiting groove.

5. The shackle that is easy to disassemble and assemble according to claim 4, wherein: An adjusting rod is rotatably connected to the clamping block. One end of the adjusting rod rotatably extends out of the second connecting ring. A threaded block is fixedly connected to the adjusting rod. A connecting seat is fixedly connected to the outside of the second connecting ring. A threaded groove is provided on the connecting seat. The threaded block is threadedly connected to the threaded groove.

6. The shackle that is easy to disassemble and assemble according to claim 5, wherein: A knob is fixedly connected to one end of the adjusting rod. A plurality of anti-slip ribs are provided on the outer periphery of the knob.

7. The shackle that is easy to disassemble and assemble according to claim 5, characterized in that: A limiting piece is fixedly connected to the other end of the adjusting rod. The other end of the adjusting rod is rotatably connected to the clamping block through the limiting piece.

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