CN216237854U

CN216237854U - Bow and arrow string protecting rope

Info

Publication number: CN216237854U
Application number: CN202122599200.1U
Authority: CN
Inventors: 朱包红
Original assignee: Wuyuan Baosiri Textile Co ltd
Current assignee: Wuyuan Baosiri Textile Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-08
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a bow and arrow string protecting rope which comprises a composite core wire formed by twisting a first folded yarn (1), a second folded yarn (2) and a third folded yarn (3) in a triangular shape, wherein the first folded yarn (1), the second folded yarn (2) and the third folded yarn (3) respectively comprise high-strength polyethylene folded yarns (4), and a plurality of polyethylene single yarns (31) are uniformly coated on the outer surface of each high-strength polyethylene folded yarn (4); two polyethylene clad wires (5) with opposite penetrating directions are further inserted among the first folded wire (1), the second folded wire (2) and the third folded wire (3), and the polyethylene clad wires (5) are spirally wrapped outside the composite core wire. The utility model has the characteristics of compact structure and good flexibility.

Description

Bow and arrow string protecting rope

Technical Field

The utility model relates to an arrow part, in particular to an arrow string protecting rope.

Background

The bow and arrow string protecting rope is also called bow and arrow protecting rope, is an auxiliary equipment for archery sports and is used for protecting bowstrings. Because the ultra-high molecular weight polyethylene fiber has various excellent performances of ultra-high strength, ultra-high modulus, high energy absorptivity, impact resistance, low temperature resistance, electric insulation, excellent chemical resistance, weather resistance, X-ray permeability, certain waterproofness and the like, the ultra-high molecular weight polyethylene fiber is widely applied to the fields of military affairs, aerospace and navigation engineering, high-performance light composite materials, high-grade leisure and sports goods and the like, such as bulletproof protective materials, high-strength ropes, composite materials, sports equipment and the like. At present, the bow string-protecting rope mainly adopts a plurality of twisted polyethylene strands. However, the surface of the ultra-high molecular weight polyethylene fiber is smooth, the cohesive force among a plurality of fibers is weak, the ultra-high molecular weight polyethylene fiber is easy to loosen after long-term use, and the single polyethylene strand has insufficient softness. Therefore, the prior art has the problems of not compact structure and not ideal flexibility.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bow string protecting rope. The utility model has the characteristics of compact structure and good flexibility.

The technical scheme of the utility model is as follows: a bow string protecting rope comprises a composite core wire formed by twisting a first folded yarn, a second folded yarn and a third folded yarn in a triangular shape, wherein the first folded yarn, the second folded yarn and the third folded yarn all comprise high-strength polyethylene folded yarns, and a plurality of polyethylene single yarns are uniformly coated on the outer surfaces of the high-strength polyethylene folded yarns; two polyethylene clad wires with opposite penetrating directions are further inserted among the first folded wire, the second folded wire and the third folded wire, and the polyethylene clad wires are spirally wrapped outside the composite core wire.

In the bow string-protecting rope, the high-strength polyethylene strands are formed by twisting and stranding a plurality of high-strength polyethylene fibers.

In the bow string-protecting rope, the surface of the high-strength polyethylene fiber is provided with a plurality of grooves, and the diameters and the depths of the grooves are all nano-scale.

In the bow string-protecting rope, the two polyethylene-coated wires have the same structure.

Compared with the prior art, the first folded yarn, the second folded yarn and the third folded yarn are mutually twisted to form the composite core yarn, and the two polyethylene covered yarns are reversely crossed and wound, so that the fibers of the string protecting rope are tightly connected and are not easy to loosen; the first folded yarn, the second folded yarn and the third folded yarn all use high-strength polyethylene folded yarns as core layers, and polyethylene single yarns are coated on the surfaces of the first folded yarn, so that the flexibility of the string protection rope is improved while the strength of the string protection rope is ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a cladding structure of a polyethylene clad wire;

fig. 3 is a schematic structural view of high strength polyethylene fibers.

The labels in the figures are: 1. a first strand; 2. a second strand; 3. a third strand; 31. Polyethylene single yarns; 4. a high strength polyethylene ply yarn; 41. high strength polyethylene fibers; 42. a groove; 5. the polyethylene is coated with the wire.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.

Example (b):

as shown in fig. 1-3, an arrow string-protecting rope comprises a composite core wire formed by twisting a first strand 1, a second strand 2 and a third strand 3 in a triangular shape, wherein the first strand 1, the second strand 2 and the third strand 3 all comprise high-strength polyethylene strands 4, and a plurality of polyethylene single yarns 31 are uniformly coated on the outer surface of the high-strength polyethylene strands 4; two polyethylene covered wires 5 with opposite penetrating directions are further inserted among the first folded wire 1, the second folded wire 2 and the third folded wire 3, and the polyethylene covered wires 5 are spirally covered outside the composite core wire.

The high-strength polyethylene ply 4 is formed by twisting and plying a plurality of high-strength polyethylene fibers 41.

The surface of the high-strength polyethylene fiber 41 is provided with a plurality of grooves 42, and the diameters and the depths of the grooves 42 are all nano-scale.

The two polyethylene covered wires 5 have the same structure.

The working principle is as follows: the first folded yarn 1, the second folded yarn 2 and the third folded yarn 3 are mutually twisted to form a composite core yarn, two polyethylene covered yarns 5 are reversely wound and covered between the composite core yarns in a cross way, so that the fibers of the string protecting rope are tightly connected, and the polyethylene covered yarns 5 are used as the outermost layer of the covering, so that the string protecting rope is good in wear resistance and long in service life; the first folded yarn 1, the second folded yarn 2 and the third folded yarn 3 all use a high-strength polyethylene folded yarn 4 as a core layer, and polyethylene single yarns 31 are coated on the surfaces of the first folded yarn, so that the strength of the string protecting rope is ensured, the cost is reduced, and the flexibility is improved; further, the high-strength polyethylene fiber 41 is subjected to surface treatment by the prior art, so that the surface of the high-strength polyethylene fiber 41 is formed with the nano-scale grooves 42, the specific surface area is increased, and the overall bonding strength of the high-strength polyethylene fiber 41 is improved.

The present invention is not described in detail in the prior art and is not specifically described herein.

Claims

1. The bow string protecting rope is characterized in that: the composite core wire is characterized by comprising a composite core wire formed by twisting a first folded yarn (1), a second folded yarn (2) and a third folded yarn (3) in a triangular shape, wherein the first folded yarn (1), the second folded yarn (2) and the third folded yarn (3) respectively comprise high-strength polyethylene folded yarns (4), and a plurality of polyethylene single yarns (31) are uniformly coated on the outer surface of each high-strength polyethylene folded yarn (4); two polyethylene clad wires (5) with opposite penetrating directions are further inserted among the first folded wire (1), the second folded wire (2) and the third folded wire (3), and the polyethylene clad wires (5) are spirally wrapped outside the composite core wire.

2. The bow string-protecting rope according to claim 1, wherein: the high-strength polyethylene folded yarn (4) is formed by twisting and folding a plurality of high-strength polyethylene fibers (41).

3. The bow string-protecting rope according to claim 2, wherein: the surface of the high-strength polyethylene fiber (41) is provided with a plurality of grooves (42), and the diameters and the depths of the grooves (42) are all nano-scale.

4. The bow string-protecting rope according to claim 1, wherein: the two polyethylene coating wires (5) have the same structure.