Iron shackle

Abstract

The utility model discloses an iron shackle and relates to the field of railway construction. The iron shackle comprises a shackle body, lantern rings are installed at the two ends of the shackle body, pin shafts are inserted into the lantern rings, ends are installed at one ends of the pin shafts and tightly abut against the outer wall of one lantern ring, the other ends of the pin shafts are sleeved with positioning rings, the positioning rings tightly abut against the outer wall of the other lantern ring, and the positioning rings are connected with positioning assemblies. The positioning assembly is matched with the lantern ring for quickly positioning the positioning ring. According to the iron shackle, when the pin shaft needs to be disassembled, the protective cover is rotated, so that the protective cover is separated from the end part of the pin shaft, a plurality of limiting blocks can be pulled at the moment, a positioning block is driven by the limiting blocks to slide on the inner wall of a positioning groove, then the end part of the positioning block is separated from a positioning ring, and the positioning ring and the pin shaft can be taken down at the moment; compared with an existing split pin fixing mode, fixing is stable, and meanwhile the structure is not prone to being lost.

Description

Technical Field

[0001] The utility model relates to the technical field of railway construction, in particular to an iron shackle. Background Art

[0002] Shackle, a kind of rigging. Commonly used shackles in the domestic market, shackles are widely used in various industries such as electricity, metallurgy, petroleum, machinery, railways, chemicals, ports, mining, construction, etc.

[0003] During use, the pin shaft needs to be inserted into the two straight ends of the shackle, and then the cotter pin at the end of the pin shaft is used to fix the ends of the pin shaft and the shackle. However, during railway construction, the shackle often needs to be disassembled and installed, so the cotter pin is often used to install and disassemble the pin shaft and the shackle. The cotter pin is small in size and is easily lost during the actual construction process, which will waste construction time. Therefore, we provide an iron shackle. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an iron shackle, which solves the problem that the shackle often needs to be disassembled and installed during railway construction, so it is often necessary to use a cotter pin to install and disassemble the pin shaft and the shackle, but the cotter pin is small in size and can be easily lost during the actual construction process, thereby wasting construction time.

[0005] To achieve the above purpose, the utility model is implemented by the following technical solutions: an iron shackle, comprising a buckle body, both ends of the buckle body are equipped with collars, a pin shaft is inserted inside the collar, an end head is installed at one end of the pin shaft, and the end head is tightly against the outer wall of one of the collars, a positioning ring is sleeved at the other end of the pin shaft, and the positioning ring is tightly against the outer wall of the other collar, the positioning ring is connected with a positioning assembly, and the positioning assembly cooperates with the collar to quickly position the positioning ring;

[0006] The positioning assembly includes a plurality of positioning grooves, which are all arranged on the outer side of the pin shaft end. A positioning block is slidably connected to the inner wall of the positioning groove, and the end of the positioning block extends outward and fits with the outer wall of the positioning ring.

[0007] Preferably, a slope is provided on a side of the end of the positioning block located outside and away from the positioning ring.

[0008] Preferably, a positioning spring is fixedly connected between the end of the positioning block located inside the positioning groove and the inner wall of the positioning groove.

[0009] Preferably, the end of the pin shaft is also provided with a plurality of limit grooves, which are respectively connected to the plurality of positioning grooves, and a limit block is slidably connected to the inner wall of the limit groove, one end of the limit block is fixedly connected to the positioning block, and the other end of the limit block extends outward.

[0010] Preferably, a protective cover is provided at the end of the pin shaft, and the ends of the plurality of limit blocks are all located inside the protective cover.

[0011] Preferably, a thread groove is formed at the end of the pin shaft, and the protective cover is threadably connected to the inner wall of the thread groove.

[0012] The utility model discloses an iron shackle, which has the following beneficial effects:

[0013] During use of the iron shackle, the provided positioning assembly is utilized to make the end of the positioning block extend outward and fit against the outer wall of the positioning ring, and the matching ring can quickly locate the positions of the positioning ring and the pin shaft, thereby facilitating the use of the buckle body. When the pin shaft needs to be disassembled, the protective cover is rotated to separate the protective cover from the end of the pin shaft, and at this time, a plurality of limit blocks can be pulled, and the positioning blocks are driven by the limit blocks to slide on the inner wall of the positioning groove, thereby separating the end of the positioning block from the positioning ring, and at this time, the positioning ring and the pin shaft can be removed. Compared with the existing fixing method of the cotter pin, the fixation is more stable, and the structure is not easy to lose. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a front structural schematic diagram of the utility model;

[0017] Figure 3 It is a structural sectional view of the utility model;

[0018] Figure 4 For this utility model Figure 3 A magnified schematic diagram of part A in FIG.

[0019] In the figure: 1, buckle body; 2, sleeve ring; 3, pin; 301, positioning ring; 302, positioning block; 303, inclined surface; 4, positioning groove; 401, positioning spring; 402, limiting groove; 403, limiting block; 404, protective cover. DETAILED DESCRIPTION

[0020] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] The utility model embodiment discloses an iron shackle, according to the attached Figure 1-4 As shown, it includes a buckle body 1, both ends of the buckle body 1 are equipped with collars 2, the inside of the collar 2 is plugged with a pin 3, one end of the pin 3 is equipped with an end, and the end is tightly against the outer wall of one of the collars 2, the other end of the pin 3 is sleeved with a positioning ring 301, and the positioning ring 301 is tightly against the outer wall of the other collar 2, the positioning ring 301 is connected with a positioning assembly, and the positioning assembly cooperates with the collar 2 for rapid positioning of the positioning ring 301;

[0022] The positioning assembly includes a plurality of positioning grooves 4 , which are all arranged on the outer side of the end of the pin shaft 3 , and a positioning block 302 is slidably connected to the inner wall of the positioning groove 4 , and the end of the positioning block 302 extends outward and fits with the outer wall of the positioning ring 301 .

[0023] Furthermore, a slope 303 is provided on the side of the end of the positioning block 302 located outside and away from the positioning ring 301 , and the slope 303 is used to facilitate the positioning ring 301 to squeeze the positioning block 302 to move.

[0024] Furthermore, a positioning spring 401 is fixedly connected between the end of the positioning block 302 located inside the positioning groove 4 and the inner wall of the positioning groove 4. The positioning spring 401 is provided to facilitate the resetting of the positioning block 302.

[0025] It is particularly disclosed that a plurality of limit grooves 402 are also provided at the end of the pin shaft 3, and the plurality of limit grooves 402 are respectively connected with the plurality of positioning grooves 4, and a limit block 403 is slidably connected to the inner wall of the limit groove 402, one end of the limit block 403 is fixedly connected to the positioning block 302, and the other end of the limit block 403 extends outward.

[0026] It is particularly disclosed that a protective cover 404 is provided at the end of the pin shaft 3 , and the ends of the plurality of limit blocks 403 are all located inside the protective cover 404 .

[0027] Furthermore, a thread groove is formed at the end of the pin shaft 3, and the protective cover 404 is threadedly connected to the inner wall of the thread groove.

[0028] The protective cover 404 is provided to avoid accidental contact with the plurality of limit blocks 403 .

[0029] During use, the positioning assembly is used to make the end of the positioning block 302 extend outward and fit with the outer wall of the positioning ring 301, so that the matching ring 2 can quickly locate the position of the positioning ring 301 and the pin shaft 3, which is convenient for the use of the buckle body 1. When the pin shaft 3 needs to be disassembled, the protective cover 404 is rotated to separate the protective cover 404 from the end of the pin shaft 3. At this time, multiple limit blocks 403 can be pulled, and the positioning block 302 is driven by the limit blocks 403 to slide on the inner wall of the positioning groove 4, thereby separating the end of the positioning block 302 from the positioning ring 301. At this time, the positioning ring 301 and the pin shaft 3 can be removed. Compared with the existing cotter pin fixing method, the fixation is more stable and the structure is not easy to lose.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An iron shackle, comprising a shackle body (1), characterized in that: Both ends of the buckle body (1) are provided with collars (2), the collars (2) are internally plugged with pins (3), one end of the pins (3) is provided with an end head, and the end head is tightly against the outer wall of one of the collars (2), the other end of the pins (3) is sleeved with a positioning ring (301), and the positioning ring (301) is tightly against the outer wall of the other collar (2), the positioning ring (301) is connected with a positioning assembly, and the positioning assembly cooperates with the collar (2) for rapid positioning of the positioning ring (301); The positioning assembly comprises a plurality of positioning grooves (4), each of which is arranged on the outer side of the end of the pin shaft (3), a positioning block (302) is slidably connected to the inner wall of the positioning groove (4), and the end of the positioning block (302) extends outward and fits with the outer wall of the positioning ring (301).

2. The iron shackle according to claim 1, characterized in that: The end of the positioning block (302) located outside and away from the positioning ring (301) is provided with an inclined surface (303).

3. The iron shackle according to claim 1, characterized in that: A positioning spring (401) is fixedly connected between the end of the positioning block (302) located inside the positioning groove (4) and the inner wall of the positioning groove (4).

4. The iron shackle according to claim 1, characterized in that: The end of the pin shaft (3) is also provided with a plurality of limit grooves (402), the plurality of limit grooves (402) are respectively connected to the plurality of positioning grooves (4), and a limit block (403) is slidably connected to the inner wall of the limit groove (402), one end of the limit block (403) is fixedly connected to the positioning block (302), and the other end of the limit block (403) extends outward.

5. The iron shackle according to claim 4, characterized in that: A protective cover (404) is provided at the end of the pin shaft (3), and the ends of the plurality of limit blocks (403) are all located inside the protective cover (404).

6. The iron shackle according to claim 5, characterized in that: A thread groove is formed at the end of the pin shaft (3), and the protective cover (404) is threadably connected to the inner wall of the thread groove.

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