High-strength tensile anti-theft telescopic spring wire

Abstract

The utility model discloses a high-strength tensile anti-theft telescopic spring wire which comprises a spiral line part and straight line parts connected to the two ends of the spiral line part, the coil diameter of the spiral line part linearly changes from the straight line part at one end to the straight line part at the other end, and the outer end of one straight line part is connected with a plug. The outer end of the other linear part is connected with a connector clamped with the plug in a matched mode, a pair of inserting rods used for being inserted into inner grooves of the connector is installed outside the plug, clamping blocks protruding outwards are arranged on the inserting rods, and clamping grooves corresponding to the clamping blocks one to one are formed in the inner surface and the outer surface of the connector in a penetrating mode. Connection and locking between the plug and the connector can be completed without the help of external auxiliary tools, rapid combination and connection of two spring wires are facilitated, and meanwhile, the coil diameter of the spiral line part of the spring wire is gradually changed, so that a user can conveniently overcome small resistance to rapidly stretch the spring wire, and the use is convenient. And the spring wire can be rapidly retracted.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring wire technical field especially a high strength tensile theftproof telescopic spring wire. BACKGROUND

[0002] Spring wire is also called elastic bow wire and spiral wire, and is a connecting wire working by using telescopic property, can rebound rapidly in a short time, and is widely used in the fields of tool convenient following, theftproof terminal following and the like.

[0003] In some occasions, spring wires need to be used in combination, generally, a plurality of spring wires are connected for use, but in the prior art, the connection and combination between spring wires generally need to be completed by using auxiliary tools, and it is troublesome to operate, quick assembly is difficult to realize, and the coil diameter of the existing spring wire is consistent at two ends, and the coil diameter is small, so that a large resistance needs to be overcome when stretching, and the spring wire is inconvenient to use.

[0004] Therefore, the high strength tensile theftproof telescopic spring wire is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a high strength tensile theftproof telescopic spring wire to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] A high strength tensile theftproof telescopic spring wire, comprising a spiral wire part and straight line parts connected at two ends of the spiral wire part, the coil diameter of the spiral wire part linearly changes from one straight line part to the other straight line part, one straight line part is connected with a plug at the outer end, the other straight line part is connected with a connector matched with the plug at the outer end, a pair of plug rods for being inserted into the inner groove of the connector are mounted on the outer end of the plug, the plug rods are provided with clamping blocks protruding outward, and the inner and outer surfaces of the connector are provided with clamping grooves corresponding to the clamping blocks.

[0008] In a further embodiment, the difference between adjacent coil diameters of the spiral wire part is greater than twice the outer diameter of the cross section of the spring wire.

[0009] In a further embodiment, the spring wire is composed of a Kevlar bulletproof silk inner core and a high-strength polyurethane outer sheath.

[0010] In a further embodiment, the outer end of the connector is provided with a trumpet-shaped guide groove.

[0011] In a further embodiment, mounting sleeves are respectively fixed on the two straight line parts, and a pull rope is arranged between the two mounting sleeves, one end of the pull rope is fixed with one of the mounting sleeves, and the other end of the pull rope is movably penetrated through the other mounting sleeve.

[0012] In further embodiments, the outer wall of the mounting sleeve is fixed with a through ring, and a gap is arranged between the through ring and the mounting sleeve.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] When the two spring wires need to be combined and connected, only the plug of one spring wire needs to be inserted into the connector of the other spring wire, the plug drives the insertion rod and the clamping block to be inserted into the connector at the same time, the insertion rod is bent by being extruded and deformed, the two insertion rods are gradually folded, until the clamping block is opposite to the clamping groove, the insertion rod restores the deformation, the clamping block is clamped into the clamping groove, the connection and locking between the plug and the connector can be completed without the aid of external auxiliary tools, and the two spring wires can be quickly combined and connected for use.

[0015] The utility model discloses the gradually changed circle diameter of the helical line part of the spring wire, the circle diameter of one end of the helical line part is small, and the circle diameter of the other end is large, the deformation elastic force of the large circle diameter end is small, the user can overcome the small resistance and quickly stretch the spring wire, and the small circle diameter end has large deformation resilience, and the spring wire can be quickly retracted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the structure schematic diagram of the utility model;

[0017] Fig. 2 It is the sectional structure schematic diagram when the plug and the connector of the utility model are connected;

[0018] Fig. 3 It is the local structure schematic diagram of the mounting sleeve and the pull rope connection of the utility model.

[0019] In the drawing: 1, helical line part; 2, straight line part; 3, plug; 31, insertion rod; 32, clamping block; 4, connector; 41, clamping groove; 42, guide groove; 5, mounting sleeve; 51, through ring; 52, gap; 6, pull rope; 11, kevlar bulletproof silk inner core body; 12, high-strength polyurethane outer sheath. DETAILED DESCRIPTION

[0020] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.

[0021] In the description of the utility model, it needs to be understood that, unless otherwise explicitly specified and limited, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled persons in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figs. 1-3 A high-strength anti-tension anti-theft telescopic spring wire, comprising a spiral wire part 1 and a straight line part 2 connected at both ends of the spiral wire part 1, the coil diameter of the spiral wire part 1 changes linearly from one end of the straight line part 2 to the other end of the straight line part 2, so that the coil diameter of one end of the spiral wire part 1 is smaller, and the coil diameter of the other end is larger, the larger coil diameter end has smaller deformation spring force, so that the user can quickly stretch the spring wire by overcoming smaller resistance, and the smaller coil diameter end has larger deformation spring force, so that the spring wire can be quickly retracted.

[0024] Specifically, the difference between the adjacent coil diameters of the spiral wire part 1 is greater than twice the outer diameter of the cross section of the spring wire, so that each coil body of the spiral wire part 1 can be stacked on the same plane, facilitating the arrangement and storage of the entire spring wire.

[0025] Further, the two straight sections 2 are also respectively fixed with mounting sleeves 5, and a pull rope 6 is arranged between the two mounting sleeves 5, one end of the pull rope 6 is fixed with one of the mounting sleeves 5, and the other end of the pull rope 6 is movably penetrated through the other mounting sleeve 5, specifically, the outer wall of the mounting sleeve 5 is fixed with a penetrating ring 51, one end of the pull rope 6 is tied outside the penetrating ring 51 of one of the mounting sleeves 5, and the other end of the pull rope 6 is penetrated through the inside of the penetrating ring 51 of the other mounting sleeve 5, pulling the movable end of the pull rope 6 can drive the spiral section 1 of the spring wire to retract, which is convenient for stacking and storing, and the penetrating ring 51 and the mounting sleeve 5 are provided with a clamping gap 52, which is convenient for clamping the movable end of the pull rope 6 into the inside of the clamping gap 52, so as to limit the pull rope 6, so as to lock the compression state of the spiral section 1.

[0026] In order to realize the quick connection between the spring wires without the help of external auxiliary tools, one of the straight sections 2 is connected with a plug 3 away from the outer end of the spiral section 1, and the other straight section 2 is connected with a connector 4 matched with the plug 3 away from the outer end of the spiral section 1, the connector 4 is hollow inside, a pair of insertion rods 31 for being inserted into the hollow slot of the connector 4 are arranged outside the plug 3, and the insertion rods 31 are provided with outward protruding clamping blocks 32, the inner and outer surfaces of the connector 4 are provided with clamping grooves 41 corresponding to the clamping blocks 32, when the plug 3 drives the insertion rods 31 and the clamping blocks 32 to be inserted into the connector 4, the insertion rods 31 are bent due to the extrusion deformation of the plastic material with a certain elastic deformation capacity, so that the two insertion rods 31 are gradually closed, until the clamping blocks 32 are opposite to the clamping grooves 41, the insertion rods 31 restore the deformation, so that the clamping blocks 32 are clamped into the clamping grooves 41, and the connection and locking between the plug 3 and the connector 4 are completed, when it is needed to separate the two, only need to extrude the clamping blocks 32 into the clamping grooves 41 from the outside, so that the clamping blocks 32 are out of the clamping grooves 41, and then pull the plug 3 outward until the insertion rods 31 are pulled out, so as to realize the separation.

[0027] Further, the outer end of the connector 4 is provided with a trumpet-shaped guide groove 42, the outer opening of the guide groove 42 is large, and the inner opening is small, so that the inner wall is an inclined surface, and when the clamping blocks 32 are inserted into the connector 4, the surface in contact with the guide groove 42 is also an inclined surface, so as to gradually extrude the clamping blocks 32 and the insertion rods 31 by using the inclined surface for guiding during the insertion of the plug 3.

[0028] The spring wire is composed of a Kevlar bulletproof silk inner core 11 and a high-strength polyurethane outer sheath 12, the high-strength polyurethane outer sheath 12 is wrapped outside the Kevlar bulletproof silk inner core 11, the inner core is formed by twisting a plurality of Kevlar bulletproof silk together, compared with the traditional steel wire core spring wire, the spring wire not only has the advantage of light weight, but also has higher strength, and the sheath formed by the high-strength polyurethane material further enhances the strength and anti-aging ability of the spring wire, so that the strength of the spring wire is high, and the tensile resistance is good.

[0029] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0030] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A high-strength, anti-tension, anti-theft telescopic spring wire comprising a helical wire portion (1) and straight wire portions (2) connected to both ends of the helical wire portion (1), characterized in that: The circle diameter of the helical wire part (1) linearly changes from one linear part (2) to another linear part (2), one of the linear parts (2) is connected with a plug (3), the other linear part (2) is connected with a connector (4) matched with the plug (3), the plug (3) is externally provided with a pair of insertion rods (31) inserted into the slot of the connector (4), and the insertion rod (31) is externally provided with a clamping block (32), the inner and outer surfaces of the connector (4) are provided with clamping slots (41) corresponding to the clamping blocks (32).

2. The high strength, theft resistant, tensile, and stretchy spring wire of claim 1, wherein: The difference between the adjacent circle diameters of the helical wire part (1) is greater than twice the outer diameter of the cross section of the spring wire.

3. The high strength, theft resistant, tensile, and flexible spring wire of claim 1, wherein: The spring wire is composed of a Kevlar bulletproof wire inner core (11) and a high-strength polyurethane outer sheath (12).

4. The high strength, theft resistant, tensile, and flexible spring wire of claim 1, wherein: The outer end of the connector (4) is provided with a trumpet-shaped guide slot (42).

5. The high strength, theft resistant, tensile, and flexible spring wire of claim 1, wherein: Two linear parts (2) are respectively fixed with mounting sleeves (5), and the two mounting sleeves (5) are provided with a pull rope (6), one end of the pull rope (6) is fixed with one of the mounting sleeves (5), and the other end of the pull rope (6) is movably penetrated through the other mounting sleeve (5).

6. A high tensile, theft resistant, springy wire as claimed in claim 5, wherein: The outer wall of the mounting sleeve (5) is fixed with a through ring (51), and the through ring (51) and the mounting sleeve (5) are provided with a clamping gap (52).

Images