TWI824535B - cable hook - Google Patents

Abstract

A kind of steel cable hook is provided with a pivot part and an intubation tube on both sides of its buckle seat. The intubation tube has an insertion hole. The casing part of a hook-shaped tube is set in the intubation tube. In the hook-shaped tube A steel cable is inserted, the bottom end of the steel cable is inserted into the socket, a buckle is coupled to the free end of the hook-shaped tube, the free end of the steel cable is coupled to the buckle, the casing part, the cannula and the The radially overlapping parts of the three steel cables are reduced in diameter, and a lever element is pivotally connected to the pivot portion. The top end of the lever element can be selectively hooked on the buckle; in this invention, the hook-shaped tube and The structure of the steel cable can be lightweight, and when the hook-shaped pipe is deformed by force, the steel cable can provide strength to support the hook-shaped pipe, making this creation both strong and safe while having a lightweight structure.

Description

cable hook

The present invention relates to the structure of a hook body; in particular, it relates to a wire rope hook used for connecting wire ropes.

Since the existing steel cable hooks are made of forged metal, they are heavy and cannot be reduced. However, there is a demand for lightweighting when using steel cable hooks. Therefore, the design reduces the weight of the steel cable hooks without losing the strength of the steel cable hooks. And reduce the safety of use.

In view of this, the object of the present invention is to provide a steel cable hook, which is provided with a hook-shaped element including a pipe body and a steel cable. Therefore, the weight of the steel cable hook can be reduced while maintaining strength and safety, and has the effect of rapid production.

In order to achieve the above object, the present invention provides a steel cable hook, which includes a buckle seat, a hook-shaped element and a lever element, wherein the buckle seat has a body, and one of the opposite sides of the body has a pivot joint. The other side has an intubation tube, and the intubation tube has an insertion hole. The hook-shaped element includes a hook-shaped tube, a steel cable and a buckle. The bottom end of the hook-shaped tube has a sleeve part with a larger diameter. The sleeve part is set around the intubation tube, and the steel cable passes through Placed in the hook-shaped tube, the bottom end of the steel cable penetrates the socket, the radially overlapping portions of the casing part, the intubation tube and the steel cable are reduced in diameter and combined, and the buckle is fixed on the hook-shaped tube The free end of the buckle is combined with the free end of the steel cable, and there is an opening between the buckle and the pivot portion. The lever element has two ends, one end is pivotally connected to the pivot portion, and the other end is away from or hooked on the buckle to control the opening or closing of the opening.

The effect of the present invention is that the combination of the hook-shaped tube and the steel cable of the hook-shaped element can reduce the weight of the steel rope hook, and because the hook-shaped element and the buckle seat are connected by reducing the diameter, no welding is needed, so the production efficiency can be increased and Reduce the cost of processing. When the hook-shaped element is subjected to external force to deform the hook-shaped tube, the steel cables fixed at both ends of the buckle and the cannula can support the hook-shaped tube, increase the tensile strength of the hook-shaped element, and improve the performance of the hook-shaped tube. The steel cable hook has the strength to resist deformation and tensile strength, taking into account the safety when using the steel cable hook.

In order to illustrate the present invention more clearly, the preferred embodiments are described in detail below along with the drawings. Please refer to FIGS. 1 to 5 , which shows a steel cable hook 100 according to a preferred embodiment of the present invention. The steel cable hook 100 includes a buckle base 10 , a hook-shaped component 20 and a lever respectively combined with the buckle base 10 . Element 30, where:

The buckle seat 10 has a body 12. The body 12 is a metal plate body and has a coupling hole 121 in the middle. The top of the body 12 has a pivot portion 14 on one side of both sides in opposite directions, and a pivot portion 14 on the other side. The cannula 16 is an upwardly extending tube body and has an insertion hole 161 inside.

The hook-shaped element 20 includes a hook-shaped tube 22, a steel cable 24 and a buckle 26. The hook-shaped tube 22 is a hook-shaped tube body and its opposite ends are defined as a bottom end and a free end. The bottom end of the tube 22 has a casing part 221 whose inner and outer diameters are larger than other parts of the hook-shaped tube 22. The casing part 221 is sleeved around the intubation tube 16, and the steel cable 24 is passed through the hook. In the shaped tube 22, the opposite ends of the steel cable 24 are defined as the bottom end and the free end. The bottom end of the steel cable 24 penetrates the insertion hole 161, and the casing part 221, the insertion tube 16 and the casing part 221 are pressed by the mold. The radially overlapping parts of the three steel cables 24 are combined by reducing the diameter, so that the hook tube 22 and the steel rope 24 are combined with the cannula 16 of the buckle seat 10 and fixed, and the buckle 26 is fixed on the free end of the hook tube 22. The free end of the steel cable 24 is coupled to the buckle 26 , and there is an opening A between the buckle 26 and the pivot portion 14 .

The lever element 30 has two ends. One end of the lever element 30 is pivotally connected to the pivot portion 14, and the other end can selectively leave the button 26 or be hooked on the button 26, thereby controlling the button. Opening or closing of opening A.

When the above preferred embodiment is used, the steel cable is passed through the combination hole 121 of the buckle seat 10, and the steel cable hook 100 is set in a state where the lever element 30 can be pushed open to open the opening A. After the hook-shaped element 20 is hung at a fixed place, the lever element 30 is moved to a state where the hook is positioned on the buckle head 26 , thereby completing the operation of setting the cable hook 100 . The function of the above-mentioned steel cable hook 100 of the present invention is that the hook-shaped element 20 is not a solid metal, but includes a tubular hook-shaped tube 22, a steel cable 24 inserted in the hook-shaped tube 22, and a wire rope 24 that is combined with the hook-shaped tube 22. The buckle 26 at the free end of the tube 22, therefore, the weight of the hook-shaped element 20 is lighter than that of a solid metal hook. After being assembled in the buckle base 10, the overall weight of the steel cable hook 100 can be reduced to achieve a lightweight effect. In addition, since the hook-shaped element 20 and the buckle seat 10 are combined by a diameter reduction processing method, there is no need for welding or other operations requiring skilled craftsmen, which increases manufacturing efficiency and reduces processing costs.

In addition to reducing weight, the advantage of this creation is that safety is not compromised. Since the bottom end of the steel cable 24 is necked and coupled to the buckle seat 10, and the buckle head 26 connected to the free end of the steel cable 24 is hooked and coupled with the lever element 30 pivotally connected to the buckle seat 10, so when the hook element 20 When the hook tube 22 is deformed by an external force, the intubation tube 16 and the buckle 26 hooked by the lever element 30 can fix the two ends of the steel cable 24 so that the steel rope 24 provides the force to support the hook tube 22 , increase the strength and tensile strength of the hook-shaped element 20 to resist deformation, and improve the safety of the steel cable hook 100 when used.

To further explain the structure of the above preferred embodiment, please refer to Figures 1 to 5. There is a flange 162 between the outer peripheral surface of the cannula 16 and the surface of the body 12. The flange 162 surrounds the cannula. 16, and when the sleeve portion 221 of the hook-shaped tube 22 is fitted into the cannula 16, the sleeve portion 221 is fitted to a position where its bottom edge is adjacent to the flange 162. The free end of the hook-shaped tube 22 forms an outer tube part 222 with an inner and outer diameter larger than other parts. The buckle 26 has an outer insertion tube 261, and the outer insertion tube 261 is inserted into the outer tube part 222. An outer insertion hole 262 is formed in the intubation tube 261. The free end of the steel cable 24 penetrates the outer insertion hole 262, and the outer tube part 222, the outer intubation tube 261 and the steel cable 24 are radially overlapped by applying pressure through the mold. The free end of the buckle 26 has a top hook 263.

Referring to FIGS. 6A and 6B , the depth L1 of the insertion hole 161 along the axial direction of the cannula 16 is greater than the axial length L2 of the cannula 16 itself. In this preferred embodiment, the depth L1 of the cannula 16 along the axial direction The directional length L2 is defined as the shortest distance between the top edge of the cannula 16 and the flange 162, so that the socket 161 has sufficient length to provide the insertion of the steel cable 24, and when the steel cable 24 penetrates the insertion When the length L3 of the inner part of the hole 161 is greater than the axial length L2 of the cannula 16 itself, the radially overlapping portion of the sleeve part 221 , the cannula 16 and the steel cable 24 can reach the longest state.

Please refer to Figures 7A, 7B and Figure 6A. In this preferred embodiment, the inner diameter of the hook-shaped tube 22 is larger than the diameter of the steel cable 24, and the inner side of the hook-shaped tube 22 is larger than the diameter of the hook-shaped tube 22. The side close to the pivot portion 14 and the outside of the hook-shaped tube 22 are the other side of the hook-shaped tube 22 that is farther away from the pivot portion 14 . When the steel cable 24 is inserted into the hook-shaped tube 22, the length L4 of the portion of the steel rope 24 located inside the hook-shaped tube 22 and the inner wall of the hook-shaped tube 22 is in contact with the hook-shaped tube 22. The difference between the length L5 of the portion outside the inner wall of the tube 22 and located within the hook-shaped tube 22 is less than or equal to the difference between the axial depth L1 of the insertion hole 161 and the axial length L2 of the cannula 16 itself, When the difference between the axial depth L1 of the insertion hole 161 and the axial length L2 of the insertion tube 16 is defined as a cable deviation value, the ratio of the cable deviation value to the axial depth L1 of the insertion hole 161 is greater than Equal to 0.3 and less than or equal to 0.6.

In this way, please refer to FIG. 2 and FIG. 6A to FIG. 6B , when the hook-shaped element 20 is the hook-shaped tube 22 and has been combined with the buckle 26, and the free end of the steel cable 24 is connected to the buckle 26, When the casing part 221 is fitted into the cannula 16, the length error of the bottom end of the steel cable 24 passing through the casing part 221 is the ratio of the deviation value of the steel cable to the axial depth L1 of the socket 161. will be greater than or equal to 0.3 and less than or equal to 0.6, which enables the steel cable 24 to extend into the jack 161 with a more appropriate length when the hook-shaped component 20 is assembled on the buckle base 10, thereby preventing the steel cable 24 from being inserted into the jack 161. The length is not deep enough so that a tighter fixing effect can be achieved when the casing portion 221, the cannula 16 and the steel cable 24 are combined in a reduced diameter.

The structure of the buckle 26 combining the hook tube 22 and the steel cable 24 is also the same as the above-mentioned structure of combining the hook element 20 with the cannula 16. When the depth of the outer insertion hole 262 along the axial direction of the outer cannula 261 is greater than the axial length of the outer cannula 261 itself, and the length of the steel cable 24 penetrating the outer insertion hole 262 is greater than the axial length of the outer cannula 261 itself, the sleeve portion 221 and the cannula 16 The radially overlapping portions of the steel cable 24 and the steel cable 24 can reach the longest state, and have the tightest fixing effect when the diameters of the three are combined.

Please refer to Figure 3, Figure 5 and Figure 8. The lever element 30 has a rod body 32. One end of the rod body 32 is pivotally connected to the pivot portion 14, and the other end forms a bottom hook 321. The bottom hook 321 is 321 can hook the top hook 263 from the inner side of the top hook 263. An annular groove 322 is provided around the rod body 32, and an elastic ring 323 is provided in the annular groove 322. A sleeve 34 is set around the rod body 32. The sleeve 34 is used to surround the part of the bottom hook 321 that hooks the top hook 263 to fix the two. When the sleeve 34 is along the hook-shaped tube 22 moves upward until its top can be looped around the bottom hook 321 to hook the top hook 263, the elastic ring 323 abuts the bottom edge of the sleeve 34 to position the sleeve 34 so that the Sleeve 34 will not slide down. The sleeve 34 has an accommodating groove 341 on its inner circumferential surface. When the user exerts force to move the sleeve 34 downward, the elastic ring 323 will break through the bottom edge of the sleeve 34 and enter the accommodating groove 341. The cooperation between the receiving groove 341 and the elastic ring 323 can limit the range of the sleeve 34 moving up and down along the rod 32 .

In addition to the above-mentioned preferred embodiment in which the lever element 30 is provided with a positioning structure including the rod body 32 and the sleeve 34, the sleeve 34 may not be provided but can be provided between the rod body 32 and the sleeve 34. A torsion spring is provided between the pivot parts 14 to keep the rod 32 in a state where the bottom hook 321 hooks the top hook 263 from the inside of the top hook 263 to close the opening A. When the rod 32 is The opening A will be opened when pushed and deflected inward by an external force. The structure of the lever element 30 is not limited to the two structures mentioned above. As long as the lever element 30 closes the opening A, the lever body 32 The bottom hook 321 can hook the top hook 263 from the inner side of the top hook 263.

The above are only the best possible embodiments of the present invention. Any equivalent changes made by applying the description and patent scope of the present invention should be included in the patent scope of the present invention.

[Invention] 100: Steel cable hook 10:Buckle seat 12:Ontology 121:Combining hole 14: Pivot joint 16:Intubation 161:Jack 162:Flange 20:hook element 22:Hook tube 221:Casing Department 222:Outer tube department 24: Steel rope 26: Discount 261:External cannula 262:External jack 263: Top hook 30: Lever component 32: Rod body 321: Bottom hook 322: Annular groove 323:Elastic ring 34:Sleeve 341: Accommodation slot A:Open your mouth L1: Depth L2 to L5: length

Figure 1 is a perspective view of a steel cable hook according to a preferred embodiment of the present invention. Figure 2 is an exploded view of the steel cable hook according to the above preferred embodiment of the present invention. Figure 3 is a cross-sectional view along the 3-3 direction of Figure 1. Figure 4 is a perspective view of the above-mentioned preferred embodiment of the present invention from another angle. Figure 5 is a perspective view of the opening of the above preferred embodiment of the present invention with the opening opened. 6A to 6B are schematic diagrams of the hook-shaped component assembled on the cannula according to the above preferred embodiment of the present invention. Figure 7A is a schematic view of the inside of the hook-shaped tube where the steel cable is inserted into the hook-shaped tube according to the above-mentioned preferred embodiment of the present invention. Figure 7B is a schematic diagram of the outside of the steel cable inserted into the hook-shaped tube according to the above-mentioned preferred embodiment of the present invention. Figure 8 is a schematic diagram of the combination of the lever element and the buckle according to the above preferred embodiment of the present invention.

100: Steel cable hook 10:Buckle seat 20:hook element 30: Lever component 32: Rod body 34:Sleeve

Claims (8)

A wire rope hook, including: A buckle base has a body, one of the opposite sides of the body has a pivot portion, and the other side has an insertion tube, and the insertion tube has an insertion hole; A hook-shaped element includes a hook-shaped tube, a steel cable and a buckle. The bottom end of the hook-shaped tube has a sleeve part with a larger diameter, and the sleeve part is set around the intubation tube, and the steel cable It is inserted into the hook-shaped tube, the bottom end of the steel cable is inserted into the socket, the radially overlapping portions of the casing part, the intubation tube and the steel cable are reduced in diameter and combined, and the buckle is fixed on the hook-shaped tube. The free end of the pipe, the buckle is combined with the free end of the steel cable, and has an opening between the buckle and the pivot portion; and A lever element has two ends, one end is pivotally connected to the pivot portion, and the other end selectively leaves or hooks the buckle to control the opening or closing of the opening. The steel cable hook of claim 1, wherein the depth of the insertion hole along the axial direction of the cannula is greater than the length of the cannula along the axial direction, and there is a flange between the outer peripheral surface of the cannula and the surface of the body, The bottom edge of the sleeve portion is adjacent to the flange, and the axial length of the cannula is defined as the shortest distance from the top edge of the cannula to the flange. The steel cable hook according to claim 2, wherein the length of the part of the steel cable penetrating into the socket is greater than the axial length of the cannula. The steel cable hook as described in claim 1, wherein the inner diameter of the hook-shaped tube is larger than the diameter of the steel cable. When the steel rope is inserted into the hook-shaped tube, the steel rope is close to the inside of the inner wall of the hook-shaped tube and is located on the hook-shaped tube. The difference between the length of the part inside the hook-shaped tube and the length of the part of the steel cable that is close to the outside of the inner wall of the hook-shaped tube and located inside the hook-shaped tube is less than or equal to the axial depth of the jack and the intubation tube. The difference in length along the axis. The cable hook as described in claim 4, wherein the difference between the axial depth of the socket and the axial length of the cannula is defined as a cable deviation value, and the cable deviation value is equal to the axial depth of the socket. The ratio is greater than or equal to 0.3 and less than or equal to 0.6. The steel cable hook according to any one of claims 1 to 5, wherein the free end of the hook-shaped tube forms an outer tube part with a larger diameter, and the buckle has an outer tube inserted into the outer tube. The tube part forms an external insertion hole in the external insertion tube, the free end of the steel cable penetrates the external insertion hole, and the radially overlapping portions of the outer tube part, the external insertion tube and the steel cable are combined by reducing the diameter. The steel cable hook according to any one of claims 1 to 5, wherein the free end of the buckle has a top hook, the lever element has a rod body, one end of the rod body is pivoted to the pivot portion, and the other One end forms a bottom hook, and the bottom hook hooks the top hook from the inner side of the top hook. The steel cable hook as described in claim 7, wherein a sleeve is set around the rod body to surround the bottom hook and fasten the top hook part; and an annular groove is provided around the rod body. , an elastic ring is provided in the annular groove. When the sleeve is looped around the bottom hook to hook the top hook, the elastic ring abuts the bottom edge of the sleeve to position the sleeve. .

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