High-strength lock pin combined shackle

Abstract

The utility model discloses a high-strength lock pin combined shackle, which belongs to the technical field of shackles and comprises a shackle component. A locking and limiting assembly is mounted on the shackle assembly; the locking and limiting assembly comprises a connecting assembly and a locking assembly, the connecting assembly and the locking assembly are both connected with the shackle assembly, and the connecting assembly is connected with the locking assembly; a limiting assembly used for limiting the chain is installed on the locking limiting assembly. Through the mode, an original H-shaped shackle body is split into the first shackle plate and the second shackle plate, and the first shackle plate and the second shackle plate are connected and combined through the double-end nut lock pin and the nut A, so that the production difficulty and the production material cost are reduced, and the shackle is convenient to disassemble and assemble, can be repeatedly used and can be produced in batches; the second transverse pin and the third transverse pin are arranged, when the second transverse pin is broken, the third transverse pin can be continuously used, and the shackle utilization rate and the labor efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shackles, in particular to a high-strength lock pin combined shackle. Background Art

[0002] The shackle is a widely used connection tool. It can connect various cables and chains, as well as buoys and buoy chains. It can also fix cables and chains to devices such as deck eyes. The H-type shackle is a type of shackle, usually used to connect or fix two parts, and has strong stability and load-bearing capacity.

[0003] Chinese patent CN218317136U discloses a high-strength lock pin combined shackle, comprising a shackle main board A and a shackle main board B, wherein the shackle main board A and the shackle main board B are connected through a lock pin assembly, wherein the lock pin assembly comprises a double-headed nut lock pin A, a double-headed nut lock pin B, and a double-headed nut lock pin C, wherein the double-headed nut lock pin C passes through the shackle main board A and the lifting shackle and is connected to the shackle main board B, wherein the shackle main boards A and B are symmetrically provided with cross pins at the upper and lower ends, wherein the cross pins pass through the shackle main board A, the gasket A, the gasket B, the shackle main board B and are connected to the nuts.

[0004] However, if the cross pin of the patent is broken during use, the entire shackle will be scrapped. In many cases, a replacement shackle cannot be found temporarily, and the machine can only work after the second shackle is replaced, wasting manpower and time.

[0005] Based on this, the utility model designs a high-strength lock pin combined shackle to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a high-strength lock pin combined shackle.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A high-strength locking pin combined shackle;

[0009] including a shackle assembly;

[0010] A locking and limiting assembly is installed on the shackle assembly;

[0011] The locking and limiting assembly comprises a connecting assembly and a locking assembly, both of which are connected to the shackle assembly, and the connecting assembly is connected to the locking assembly;

[0012] A limiting component for limiting a chain is installed on the locking limiting component.

[0013] Furthermore, the shackle assembly includes a first shackle plate, a second shackle plate, a stud nut locking pin and a nut A, the two ends of the two stud nut locking pins respectively pass through the front and rear ends of the first shackle plate and the second shackle plate and are plugged into the first shackle plate and the second shackle plate, both ends of the first shackle plate and the second shackle plate are threadedly connected with the nut A, the first shackle plate is detachably connected to the second shackle plate through two sets of stud nut locking pins and the nut A, the first shackle plate and the second shackle plate are both connected to the connecting assembly, and the second shackle plate is connected to the locking assembly.

[0014] Furthermore, the connecting assembly includes a first transverse pin, a second transverse pin, a third transverse pin and a nut B, the upper ends of the first shackle plate and the second shackle plate are both plugged into the first transverse pin, the right end of the first transverse pin is threadedly connected with the nut B, the lower ends of the first shackle plate and the second shackle plate are both plugged into the second transverse pin and the third transverse pin, and the right ends of the second transverse pin and the third transverse pin are connected to the locking assembly.

[0015] Furthermore, the locking assembly includes a mounting plate, a slide groove, a spring, a locking pin, a lock groove, a locking rod, a first circular hole and a second circular hole. Slide grooves are provided at the upper and lower ends of the mounting plate, a spring is fixedly connected to the inner wall of the inner end of the slide groove, a locking pin is fixedly connected to the outer end of the spring, the locking pin is embedded in the slide groove and is slidably connected to the slide groove, locking grooves are provided on the rear sides of the upper and lower ends of the mounting plate, and the locking rod is fixedly connected to the inner end of the locking pin.

[0016] Furthermore, the mounting plate is fixedly connected to the right end of the second shackle plate by screws, and the mounting plate is located between the second transverse pin and the third transverse pin.

[0017] Furthermore, the outer ends of the locking pin are respectively embedded in the first circular hole and the second circular hole and are slidably connected to the first circular hole and the second circular hole, the locking rod is embedded in the lock groove and is slidably connected to the lock groove, the right end of the second cross pin is provided with a second circular hole, and the right end of the third cross pin is provided with a first circular hole, and the first circular hole and the second circular hole are symmetrically arranged up and down.

[0018] Furthermore, the limiting assembly includes a threaded groove and a limiting block. The left and right ends of the first cross pin are both provided with a threaded groove, the threaded groove is located on the side close to the first shackle plate and the second shackle plate, and the two limiting blocks are respectively mounted on the left and right ends of the first cross pin. The outer end of the limiting block is threadedly connected to the first cross pin through the threaded groove, and the inner end of the limiting block is slidably connected to the first cross pin. When limiting, the inner end of the limiting block is in close contact with the chain.

[0019] Furthermore, the thread grooves and the limit blocks at the left and right ends are symmetrically arranged.

[0020] Furthermore, the transverse center lines of the stud nut locking pin and the nut A are located on the same plane.

[0021] Furthermore, a sponge pad is fixedly connected to the inner end of the limiting block.

[0022] The utility model has the following technical effects:

[0023] When the utility model installs the first shackle plate and the second shackle plate, the two ends of the two stud nut lock pins are respectively inserted into the two insertion holes in the center of the first shackle plate and the second shackle plate, and then the two ends of the stud nut lock pins are fixed by nuts A, thereby ensuring the structural rigidity and stability of the product;

[0024] The utility model separates the original H-shaped shackle body into a first shackle plate and a second shackle plate, and connects and combines the first shackle plate and the second shackle plate through a double-headed nut lock pin and a nut A, thereby reducing the production difficulty and production material cost, and is convenient to disassemble and assemble, can be reused, and can be mass-produced;

[0025] After the first shackle plate and the second shackle plate of the utility model are installed, one end of the first transverse pin is passed through the first shackle plate, and then the limiting assembly and the chain are sleeved on the first transverse pin, and then the first transverse pin is passed through the second shackle plate and fixed by the nut B, and the second transverse pin and the third transverse pin are respectively inserted into the insertion holes at the lower ends of the first shackle plate and the second shackle plate, and the locking rod is pulled outward, and the locking rod drives the locking pin to move outward and insert into the first circular hole and the second circular hole respectively, and at the same time, the locking rod drives the spring to stretch, and the locking rod is rotated, and the rotation angle is 90 degrees, and the locking rod drives the locking pin and the spring to rotate until the locking rod is completely embedded in the lock groove, so that the second transverse pin and the third transverse pin are locked;

[0026] When disassembling the utility model, the lock rod is rotated, the lock rod drives the lock pin and the spring to rotate and reset, the lock rod is loosened, the lock pin is reset under the elastic action of the spring, the lock pin drives the lock rod to reset and disengage from the first round hole and the second round hole, the second cross pin and the third cross pin are pulled to the left, the second cross pin and the third cross pin are removed, and the nut B is rotated to disengage from the first cross pin, the first cross pin is pulled to the left, the first cross pin is removed, and the disassembly is completed;

[0027] The utility model is provided with a second transverse pin and a third transverse pin. When the second transverse pin is broken, the third transverse pin can continue to be used, thereby improving the utilization rate of the shackle and the labor efficiency, and preventing the connected articles from falling due to the breakage of the second transverse pin during use.

[0028] When the utility model limits the position, the limit block is rotated, and the limit block moves inwardly under the action of the thread groove to press against the two sides of the chain, so as to limit the chain and prevent the chain from sliding left and right and rubbing the first cross pin, thereby causing the first cross pin and the chain to be worn and broken, thereby improving the utilization rate of the shackle and being able to limit chains of different sizes and models. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] 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 prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 A three-dimensional high-strength lock pin combined shackle of the utility model Figure 1 ;

[0031] Figure 2 It is a front view of a high-strength lock pin combined shackle of the utility model;

[0032] Figure 3 It is a right view of a high-strength lock pin combined shackle of the utility model;

[0033] Figure 4 A three-dimensional high-strength lock pin combined shackle of the utility model Figure 2 ;

[0034] Figure 5 For along Figure 2 AA direction cross-sectional view;

[0035] Figure 6 For along Figure 3 BB direction cross-sectional view;

[0036] Figure 7 for Figure 5 Enlarged view of point C in the middle;

[0037] Figure 8 for Figure 6 Enlarged view of point D in the middle.

[0038] The numbers in the figure represent:

[0039] 1. Shackle assembly; 11. First shackle plate; 12. Second shackle plate; 13. Double-headed nut lock pin; 14. Nut A; 2. Locking limit assembly; 21. Connecting assembly; 211. First transverse pin; 212. Second transverse pin; 213. Third transverse pin; 214. Nut B; 22. Locking assembly; 221. Mounting plate; 222. Slide groove; 223. Spring; 224. Locking pin; 225. Locking groove; 226. Locking rod; 227. First round hole; 228. Second round hole; 3. Limiting assembly; 31. Threaded groove; 32. Limiting block; 4. Chain. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0041] The utility model is further described below in conjunction with embodiments.

[0042] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0043] Example 1

[0044] Please refer to the instruction manual Figure 1-8 , a high-strength locking pin combined shackle;

[0045] It includes a shackle assembly 1;

[0046] The shackle assembly 1 is provided with a locking and limiting assembly 2;

[0047] The locking and limiting assembly 2 includes a connecting assembly 21 and a locking assembly 22, both of which are connected to the shackle assembly 1, and the connecting assembly 21 is connected to the locking assembly 22;

[0048] A limiting component 3 for limiting a chain 4 is installed on the locking limiting component 2 .

[0049] During installation, first install the limit assembly 3 and the chain 4 on the shackle assembly 1, then install the shackle assembly 1, and then insert the connecting assembly 21 into the insertion hole on the shackle assembly 1 and lock and limit the connecting assembly 21 through the locking assembly 22. The limit assembly 3 limits the chain 4 to prevent the chain 4 from sliding left and right and rubbing the connecting assembly 21, thereby causing wear and breakage of the connecting assembly 21 and the chain 4;

[0050] The shackle assembly 1 includes a first shackle plate 11, a second shackle plate 12, a stud nut locking pin 13 and a nut A14, both ends of the two stud nut locking pins 13 respectively pass through the front and rear ends of the first shackle plate 11 and the second shackle plate 12 and are plugged with the first shackle plate 11 and the second shackle plate 12, both ends of the first shackle plate 11 and the second shackle plate 12 are threadedly connected with nuts A14, the first shackle plate 11 is detachably connected to the second shackle plate 12 through two groups of stud nut locking pins 13 and nuts A14, the first shackle plate 11 and the second shackle plate 12 are both connected to the connecting assembly 21, and the second shackle plate 12 is connected to the locking assembly 22.

[0051] When installing the first shackle plate 11 and the second shackle plate 12, insert the two ends of the two stud nut lock pins 13 into the two insertion holes in the center of the first shackle plate 11 and the second shackle plate 12 respectively, and then fix the two ends of the stud nut lock pin 13 by nuts A14 to ensure the structural rigidity and stability of the product;

[0052] The utility model separates the original H-shaped shackle body into a first shackle plate 11 and a second shackle plate 12, and connects and combines the first shackle plate 11 and the second shackle plate 12 through a double-headed nut lock pin 13 and a nut A14, thereby reducing the production difficulty and production material cost, and is easy to disassemble and assemble, can be reused, and can be mass-produced;

[0053] The connecting assembly 21 includes a first transverse pin 211, a second transverse pin 212, a third transverse pin 213 and a nut B214. The upper ends of the first shackle plate 11 and the second shackle plate 12 are both plugged into the first transverse pin 211, and the right end of the first transverse pin 211 is threadedly connected with the nut B214. The lower ends of the first shackle plate 11 and the second shackle plate 12 are both plugged into the second transverse pin 212 and the third transverse pin 213, and the right ends of the second transverse pin 212 and the third transverse pin 213 are connected to the locking assembly 22.

[0054] The locking assembly 22 includes a mounting plate 221, a slide groove 222, a spring 223, a locking pin 224, a locking groove 225, a locking rod 226, a first circular hole 227 and a second circular hole 228. The upper and lower ends of the mounting plate 221 are provided with slide grooves 222, the inner end inner wall of the slide groove 222 is fixedly connected with a spring 223, the outer end of the spring 223 is fixedly connected with a locking pin 224, the locking pin 224 is embedded in the slide groove 222 and is slidably connected with the slide groove 222, the upper and lower ends of the mounting plate 221 are provided with locking grooves 225 at the rear side, and the inner end of the locking pin 224 is fixedly connected with a locking rod 226.

[0055] The mounting plate 221 is fixedly connected to the right end of the second shackle plate 12 by screws, and the mounting plate 221 is located between the second transverse pin 212 and the third transverse pin 213 .

[0056] When locked, the outer ends of the locking pin 224 are respectively embedded in the first circular hole 227 and the second circular hole 228 and are slidably connected to the first circular hole 227 and the second circular hole 228, the locking rod 226 is embedded in the locking groove 225 and is slidably connected to the locking groove 225, the right end of the second cross pin 212 is provided with a second circular hole 228, the right end of the third cross pin 213 is provided with a first circular hole 227, and the first circular hole 227 and the second circular hole 228 are symmetrically arranged up and down.

[0057] After the first shackle plate 11 and the second shackle plate 12 are installed, one end of the first cross pin 211 passes through the first shackle plate 11, and then the limiting assembly 3 and the chain 4 are sleeved on the first cross pin 211, and then the first cross pin 211 passes through the second shackle plate 12 and is fixed by the nut B214, and the second cross pin 212 and the third cross pin 213 are respectively inserted into the insertion holes at the lower ends of the first shackle plate 11 and the second shackle plate 12, and the locking rod 226 is pulled outward, and the locking rod 226 drives the locking pin 224 to move outward and insert into the first circular hole 227 and the second circular hole 228 respectively, and at the same time, the locking rod 226 drives the spring 223 to stretch, and the locking rod 226 is rotated, and the rotation angle is ninety degrees. The locking rod 226 drives the locking pin 224 and the spring 223 to rotate until the locking rod 226 is completely embedded in the locking groove 225, thereby realizing the locking of the second cross pin 212 and the third cross pin 213;

[0058] During disassembly, the lock rod 226 is rotated, and the lock rod 226 drives the lock pin 224 and the spring 223 to rotate and reset. The lock rod 226 is released, and the lock pin 224 is reset under the elastic action of the spring 223. The lock pin 224 drives the lock rod 226 to reset and disengage from the first circular hole 227 and the second circular hole 228. The second transverse pin 212 and the third transverse pin 213 are pulled to the left to remove the second transverse pin 212 and the third transverse pin 213. The nut B214 is then rotated to disengage from the first transverse pin 211. The first transverse pin 211 is pulled to the left to remove the first transverse pin 211. The disassembly is completed.

[0059] The utility model is provided with a second transverse pin 212 and a third transverse pin 213. When the second transverse pin 212 is broken, the third transverse pin 213 can continue to be used, thereby improving the utilization rate of the shackle and the labor efficiency, and preventing the connected articles from falling due to the breakage of the second transverse pin 212 during use.

[0060] The limiting assembly 3 includes a thread groove 31 and a limiting block 32. The left and right ends of the first transverse pin 211 are both provided with a thread groove 31. The thread groove 31 is located on the side close to the first shackle plate 11 and the second shackle plate 12. The two limiting blocks 32 are respectively sleeved on the left and right ends of the first transverse pin 211. The outer end of the limiting block 32 is threadedly connected to the first transverse pin 211 through the thread groove 31, and the inner end of the limiting block 32 is slidably connected to the first transverse pin 211. When limiting, the inner end of the limiting block 32 is in close contact with the chain 4.

[0061] Preferably, the thread grooves 31 and the limit blocks 32 at the left and right ends are symmetrically arranged.

[0062] When limiting, the limit block 32 is rotated, and the limit block 32 moves inward under the action of the threaded groove 31 to press against the two sides of the chain 4, thereby limiting the chain 4 and preventing the chain 4 from sliding left and right and rubbing against the first cross pin 211, thereby causing wear and breakage of the first cross pin 211 and the chain 4, thereby improving the utilization rate of the shackle, and limiting the chains 4 of different sizes and models.

[0063] Example 2

[0064] like Figure 1-8 As shown, as a preferred embodiment of the utility model, preferably, the transverse center lines of the double-headed nut locking pin 13 and the nut A14 are located on the same plane.

[0065] Example 3

[0066] like Figure 1-8 As shown, as a preferred embodiment of the present utility model, preferably, the inner end of the limit block 32 is fixedly connected with a sponge pad.

[0067] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-strength lock pin combined shackle, characterized in that: It comprises a shackle assembly (1); A locking and limiting assembly (2) is installed on the shackle assembly (1); The locking and limiting assembly (2) comprises a connecting assembly (21) and a locking assembly (22), wherein the connecting assembly (21) and the locking assembly (22) are both connected to the shackle assembly (1), and the connecting assembly (21) is connected to the locking assembly (22); A limiting component (3) for a limiting chain (4) is installed on the locking limiting component (2).

2. The high-strength lock pin combined shackle according to claim 1, characterized in that: The shackle assembly (1) comprises a first shackle plate (11), a second shackle plate (12), a double-headed nut locking pin (13) and a nut A (14); two ends of the two double-headed nut locking pins (13) respectively pass through the front and rear ends of the first shackle plate (11) and the second shackle plate (12) and are plugged into the first shackle plate (11) and the second shackle plate (12); both ends of the first shackle plate (11) and the second shackle plate (12) are threadedly connected with the nut A (14); the first shackle plate (11) is detachably connected to the second shackle plate (12) via two groups of double-headed nut locking pins (13) and the nut A (14); the first shackle plate (11) and the second shackle plate (12) are both connected to the connecting assembly (21); and the second shackle plate (12) is connected to the locking assembly (22).

3. The high-strength lock pin combined shackle according to claim 2, characterized in that: The connection assembly (21) comprises a first transverse pin (211), a second transverse pin (212), a third transverse pin (213) and a nut B (214); the upper ends of the first shackle plate (11) and the second shackle plate (12) are both plugged into the first transverse pin (211); the right end of the first transverse pin (211) is threadedly connected with the nut B (214); the lower ends of the first shackle plate (11) and the second shackle plate (12) are both plugged into the second transverse pin (212) and the third transverse pin (213); and the right ends of the second transverse pin (212) and the third transverse pin (213) are both connected to the locking assembly (22).

4. The high-strength lock pin combined shackle according to claim 3, characterized in that: The locking assembly (22) comprises a mounting plate (221), a slide groove (222), a spring (223), a locking pin (224), a locking groove (225), a locking rod (226), a first circular hole (227) and a second circular hole (228). The mounting plate (221) is provided with a slide groove (222) at the upper and lower ends. The inner wall of the inner end of the slide groove (222) is fixedly connected with a spring (223). The outer end of the spring (223) is fixedly connected with a locking pin (224). The locking pin (224) is embedded in the slide groove (222) and is slidably connected with the slide groove (222). The rear sides of the upper and lower ends of the mounting plate (221) are provided with a locking groove (225). The inner end of the locking pin (224) is fixedly connected with a locking rod (226).

5. The high-strength lock pin combined shackle according to claim 4, characterized in that: The mounting plate (221) is fixedly connected to the right end of the second shackle plate (12) by means of screws, and the mounting plate (221) is located between the second transverse pin (212) and the third transverse pin (213).

6. The high-strength lock pin combined shackle according to claim 5, characterized in that: The outer ends of the locking pin (224) are respectively embedded in the first circular hole (227) and the second circular hole (228) and are slidably connected to the first circular hole (227) and the second circular hole (228); the locking rod (226) is embedded in the locking groove (225) and is slidably connected to the locking groove (225); the right end of the second transverse pin (212) is provided with a second circular hole (228); the right end of the third transverse pin (213) is provided with a first circular hole (227); and the first circular hole (227) and the second circular hole (228) are symmetrically arranged up and down.

7. The high-strength lock pin combined shackle according to claim 6, characterized in that: The limiting assembly (3) comprises a thread groove (31) and a limiting block (32). The left and right ends of the first transverse pin (211) are both provided with a thread groove (31). The thread groove (31) is located on a side close to the first shackle plate (11) and the second shackle plate (12). The two limiting blocks (32) are respectively sleeved on the left and right ends of the first transverse pin (211). The outer end of the limiting block (32) is threadedly connected to the first transverse pin (211) through the thread groove (31). The inner end of the limiting block (32) is slidably connected to the first transverse pin (211). When limiting, the inner end of the limiting block (32) is in close contact with the chain (4).

8. The high-strength lock pin combined shackle according to claim 7, characterized in that: The thread grooves (31) and the limit blocks (32) at the left and right ends are symmetrically arranged.

9. The high-strength lock pin combined shackle according to claim 8, characterized in that: The transverse center lines of the stud nut locking pin (13) and the nut A (14) are located on the same plane.

10. The high-strength lock pin combined shackle according to claim 9, characterized in that: The inner end of the limiting block (32) is fixedly connected with a sponge pad.

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