CN212635584U

CN212635584U - Binding and fastening device for metal wire

Info

Publication number: CN212635584U
Application number: CN202021211942.1U
Authority: CN
Inventors: 王卫东; 王秀芳; 吴峰
Original assignee: Zhejiang Industry Polytechnic College
Current assignee: Zhejiang Industry Polytechnic College
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-03-02
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a binding and fastening device for metal wire, which comprises a handle, a sleeve and a spiral hook body, wherein the inner cavity of the sleeve is a cylindrical hole, the surface of the spiral hook body is provided with a spiral groove, the inner wall of the sleeve is provided with a bulge matched with the spiral groove, so that the spiral hook body can realize relative rotation while stretching along the inner cavity of the sleeve; the outer end part of the spiral hook body is provided with a hook; the handle is arranged at one end of the sleeve, which is far away from the spiral hook body. The utility model discloses simple structure, easily shaping to it is easy and simple to handle, be favorable to promoting work efficiency.

Description

Binding and fastening device for metal wire

Technical Field

The utility model relates to a binding fastener for metal wire, fastener when utilizing metal wire to bind two or more objects belongs to fastening tool technical field.

Background

The occasion that two or more objects are bound together by utilizing metal wires in daily life is very many, the metal wires are often bound by using a vice or a nipper pliers, the number of rotating circles of the vice or the nipper pliers is consistent with the number of circles of the bound metal wires when the metal wires are bound, time consumption and labor consumption are reduced, and efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bind fastener for metal wire, aim at fastening binding of metal wire more conveniently.

The above technical problem of the present invention can be solved by the following technical solutions: a binding and fastening device for metal wires comprises a handle, a sleeve and a spiral hook body, wherein the inner cavity of the sleeve is a cylindrical hole, a spiral groove is formed in the surface of the spiral hook body, and a protrusion matched with the spiral groove is arranged in the sleeve, so that the spiral hook body can stretch along the inner cavity of the sleeve and can rotate relatively;

the outer end part of the spiral hook body is provided with a hook;

the handle is arranged at one end of the sleeve, which is far away from the spiral hook body.

Preferably, the spiral groove has a double spiral structure.

Preferably, the number of the protrusions is two, and the protrusions are symmetrically arranged on the inner wall of the sleeve.

Preferably, two threaded holes are symmetrically formed in the surface of the sleeve, ball screws are arranged in the threaded holes, and the ball screws are in threaded matching with the threaded holes;

the end part of the ball head screw is provided with a spherical ball head, and the ball head penetrates through the threaded hole to enter the sleeve to form the bulge.

Preferably, one end of the spiral hook body, which is far away from the hook, is provided with a cylindrical section, and the outer diameter of the cylindrical section is matched with the inner diameter of the inner cavity of the sleeve.

Preferably, the outer end of the spiral hook body is sharp in contour.

Preferably, the handle is T-shaped.

Preferably, the grip portion of the handle is provided with a waist-shaped hole.

Preferably, the sleeve and the handle are integrally formed.

Preferably, the handle, the sleeve and the spiral hook body are all made of No. 45 steel.

Compared with the prior art, the utility model, its beneficial effect lies in:

1. the utility model converts the motion in the linear direction into the circumferential rotation motion of the spiral hook body by pulling the handle, and then the hook at the end part of the spiral hook body drives the hooked metal wire to rotate until the fastening is completed; the utility model discloses simple structure, easily shaping to it is easy and simple to handle, be favorable to promoting work efficiency.

2. The utility model discloses a spiral coupler body can adopt double helix structure, has increased rotatory number of turns in effective stroke within range, has further promoted device's work efficiency.

3. The utility model discloses a design of most advanced is adopted at the crotch top, can be favorable to passing less hole, enlarges the device's application scope.

4. The utility model discloses a two bulb screws form the arch of matcing with the spiral slot, make bulb and bolt slot form sliding fit so that the spiral coupler body can smoothly move in the sleeve to the bolt hole easily shaping, the assembly is simple.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the middle spiral hook body of the present invention.

Fig. 3 is a schematic structural view of the middle sleeve and the handle of the present invention.

Fig. 4 is a schematic structural view of the ball head screw of the present invention.

In the figure: 1. a spiral hook body 11, a double spiral groove 12, a hook 13 and a cylindrical section; 2. a sleeve 21, an inner cavity 22 and a threaded hole; 3. a ball head screw 31, a ball head; 4. handle, 41, kidney-shaped hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further specifically described below by way of embodiments and with reference to the accompanying drawings.

Example (b): a binding and fastening device for metal wires is shown in figures 1-4 and comprises a handle 4, a sleeve 2 and a spiral hook body 1, wherein an inner cavity 21 of the sleeve is a cylindrical hole with an opening at one end, the spiral hook body 1 is telescopically arranged in the inner cavity 21 of the sleeve, and the handle 4 is arranged at one end, far away from the opening, of the sleeve 2.

In the above structure, the surface of the spiral hook body 1 is provided with the spiral groove, the spiral groove in the embodiment adopts a double-spiral groove structure, and the double-spiral groove 11 can increase the number of turns of rotation in an effective stroke range, so as to improve the working efficiency of the device. The outer end of the spiral hook body 1 is provided with a hook 12, and the outer end of the spiral hook body 1 is relatively sharp in profile to facilitate passage through small apertures. One end of the spiral hook body 1, which is far away from the hook 12, is provided with a cylindrical section 13, and the outer diameter of the cylindrical section 13 is matched with the inner cavity 21 of the sleeve, so that the functions of guiding and limiting are achieved.

In this embodiment, two threaded holes 22 have been seted up to sleeve 2 bilateral symmetry, threaded hole 22 internal thread matching has ball screw 3, and the tip of ball screw 3 is equipped with spheroidal bulb 31, twists ball screw 3 in threaded hole 22 and forms the arch on sleeve inner chamber 21 surface for bulb 31 gets into in the double helix slot 11 of the spiral coupler body 1 and matches with it, and then makes the flexible motion of can be smooth and easy in sleeve 2 of the spiral coupler body 1, and makes rotary motion simultaneously.

In this embodiment, the handle 4 is disposed at one end of the sleeve 2 away from the spiral hook 1, and is integrally formed with the sleeve 2. Specifically, the handle 4 is T-shaped, and a waist-shaped hole 41 is provided at a grip portion of the handle 4 for an operator to grip.

The utility model discloses in, handle 4, sleeve 2, spiral coupler body 1 and ball screw 3 all adopt the better material preparation of comprehensive mechanical properties such as formability and hardness, select to use 45 # steel in this embodiment.

In the specific implementation of the embodiment, firstly, the metal wire to be fastened is made into a ring shape in advance (two ends of the metal wire can be connected together by using a nipper pliers or a vice), an object to be fixed is placed into the ring-shaped metal wire, then the metal wire to be fastened is hooked by using the hook 12 in the device, the handle 4 is pulled outwards by hand, at the moment, the spiral hook body 1 rotates, and the metal wire to be fastened is twisted into a twist shape, so that the fastening purpose is achieved.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. All changes and modifications that may be made by the technical spirit of the present invention to the above embodiments by simple modification are considered to fall within the scope of the present invention.

Claims

1. The binding and fastening device for the metal wire is characterized by comprising a handle, a sleeve and a spiral hook body, wherein the inner cavity of the sleeve is a cylindrical hole, a spiral groove is formed in the surface of the spiral hook body, and a protrusion matched with the spiral groove is arranged in the sleeve, so that the spiral hook body can stretch along the inner cavity of the sleeve and can rotate relatively;

the outer end part of the spiral hook body is provided with a hook;

2. The binding fastening device for metal wires according to claim 1, wherein the helical groove is of a double helix structure.

3. The binding and fastening device for the metal wire as claimed in claim 1 or 2, wherein the number of the protrusions is two, and the protrusions are symmetrically arranged on the inner wall of the sleeve.

4. The binding and fastening device for the metal wire as claimed in claim 3, wherein the sleeve has two symmetrical threaded holes, a ball screw is arranged in the threaded hole, and the ball screw is matched with the threaded hole in a threaded manner;

5. The binding fastener for metal wires according to claim 1, wherein the end of the spiral hook body away from the hook is provided as a cylindrical section, and the outer diameter of the cylindrical section matches the inner diameter of the inner cavity of the sleeve.

6. The binding fastener for metal wires according to claim 1, wherein the outer end profile of the spiral hook is sharp.

7. The binding fastening device for metal wires according to claim 1, wherein the handle is T-shaped.

8. The binding fastener for metal wires according to claim 7, wherein the grip portion of the handle is provided with a kidney-shaped hole.

9. A binding and fastening device for metal wires according to claim 7 or 8, characterised in that the sleeve is integrally formed with the handle.

10. The binding fastener for metal wires according to claim 1, wherein the handle, the sleeve and the spiral hook body are made of 45-gauge steel.