KR20120069477A - Scissors for cable tie - Google Patents

Abstract

PURPOSE: A pair of scissors for cutting a cable tie is provided to prevent workers from injuring by the sharp front end of the band-shaped portion as the workers roundly cut the band-shaped portion. CONSTITUTION: A pair of scissors for cutting a cable tie comprises a pair of grip units, first and second tightening and cutting block bodies, and first and second cutting units. A pair of grip units is respectively installed in a base end portion. The first and second cutting units rotatably connected with a hinge pin. The first and second tightening and cutting block bodies are detachably connected to each end portion of the first and second cutting units when a pair of the grip units moves closely each other. The first and second tightening and cutting block bodies roundly cut the projected band-shaped portion of the cable tie.

Description

Cable tie shears {scissors for cable tie}

The present invention relates to a cable tie cutting shears, specifically, when cutting a cable tie to cut the cut smoothly to prevent the operator's hands or parts of the body from being cut by the cut surface while gripping the end of the cable tie pull And a cable tie cutting shear configured to.

The cable tie serves to bind the wire harness to be wired to the vehicle or to fix the bundled wire harness to the vehicle body.

When a worker bundles a plurality of wires by using such a cable tie, a worker usually has a plurality of wires surrounded by a cable tie, and then inserts the cable tip of the cable tie into the fastening hole, and then uses a nipper tool. By pulling the tip of the belt-shaped portion penetrating through the fastening hole, the protrusions of the plurality of wires were cut by the general scissors.

However, this operation allows the operator to use the nipper tool and the general scissors so that the two tools are placed on the table because the two tools must be prepared in the work table when performing the work. Since the space is required and the worker is required to find the tool at each step, the conventional cable tightening and cutting work has a problem of lowering work efficiency.

In addition, when cutting the belt portion with the general scissors, the edge portion of the cut portion is sharply formed, the sharp portion of the band portion damages the hands or forearms to the working worker, and also during the assembly process of the car Since the wire harness is first attached to the vehicle body and then the remaining vehicle parts are mounted on the vehicle body, the conventional cable tie tightening and cutting operation has a problem that the tip portion of the sharp band portion damages the remaining vehicle parts.

The present invention is provided with a detachable pull portion that can pull the belt portion in the conventional scissors to the front end, and the rounded portion that can be cut to cut the protruding band-shaped portion to be a rounded portion, the pull An object of the present invention is to solve the above problems by providing a detachable portion adjacent to a portion.

In order to achieve the object of the present invention as described above, a pair of handle portions are respectively provided at the base end, and the first and second cut portions at which the first and second tightening and cutting block bodies are detachably coupled to the hinge pins, respectively. A cable tie cutting shear that is rotatably coupled to each other by means of the above, wherein the first and second cutting portions include a screw hole formed through a tip portion of the first and second cutting portions, an upper surface of the tip portion of the first cutting portion, and the second cutting portion. And a cutout portion formed on a bottom surface of the front end of the cutout, wherein the first tightening and cutting block body is detachably coupled along a longitudinal direction of the first cutout at the front end inner surface of the first cutout, A first coupling plate having a screw hole corresponding to the screw hole of the cut portion and having a line height equal to a top surface of the front end of the first cut portion; A first pulling portion 21 protruding from a distal end of the first coupling plate in a direction perpendicular to the longitudinal direction of the first cut portion, and protruding at a position where the cut portion of the first cut portion is formed; A first male rounding part protruding in the same direction as the direction in which the first pulling part protrudes from the stop of the first coupling plate; And a first female rounding portion protruding from the base end of the first coupling plate in the same direction as the first pulling portion, wherein the second tightening and cutting block body is formed at the front end inner side surface of the second cutting portion. A second coupling plate coupled to the second cutout in a longitudinal direction, and having a screw hole corresponding to the screw hole of the second cutout, the second coupling plate having the same height line as the bottom surface of the second cutout; Protrudes from the distal end of the second coupling plate in a direction perpendicular to the longitudinal direction of the second cutout, and protrudes from a position at which the cutout is formed so that the pair of handles are retracted to pull the first pull A second pulling portion in contact with the top and bottom of the portion; A second female rounding part protruding in the same direction as the protruding direction of the second pulling part at the middle of the second coupling plate and receiving and inserting the first male rounding part as the pair of handle parts are retracted; And a second male rounding portion protruding from the proximal end of the second coupling plate in the same direction as the second pulling portion and inserted into the first female rounding portion as the pair of handle portions are retracted. do.

According to the band cable cutting scissors according to the present invention, since the operator can cut the band-shaped portion of the cable tie round by the first and second tightening and cutting block body, each of which is mounted on the first and second cutting portions. When repairing the vehicle and the mechanical device, there is an effect that the body part of the worker does not scratch the sharp tip of the tee portion does not hurt.

In addition, a first male rounding portion and a first female rounding portion, which can cut the band-shaped cut portions of the cable tie to the right and the left, respectively, at the interruption and the proximal end of the first and second tightening and cutting block bodies, and Since the two male rounding parts and the second female rounding parts are formed, the operator can cut round the ends of the cable ties protruding to the left and right sides without moving the seats while holding the handle part once, so that the band-shaped parts of the cable ties are rounded. Cutting efficiency is improved.

In addition, even if the tip length of the strip is short as the band cable binds a plurality of wire bundles or thick wires, the first and second tongs of the present invention can grasp and pull the tip of the strip, so that the operator can pull the thick wire and the multiple wires. The bundle of wires is also effective to bind firmly.

1 is a side view of a cable tie cutting shears according to an embodiment of the present invention.
Figure 2 is a perspective view of the first and second tightening and cutting block body according to an embodiment of the present invention.
Figure 3 is a view from above of the use of the cable tie cutting shears according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the band cable cutting scissors according to an embodiment of the present invention. In describing the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as not to obscure the gist of the invention.

1 is a side view of a cable tie cutting shears according to an embodiment of the present invention, Figure 2 is a perspective view showing the configuration of the tightening and cutting block body according to an embodiment of the present invention.

As shown in Figure 1 and 2, the band cable cutting shears according to an embodiment of the present invention, a pair of handles (10, 10a) are respectively provided at the proximal end and the first and second tightening and cutting at the end The first and second cutouts 30 and 30a, to which the working block bodies 20 and 20a are detachably coupled, are rotatably coupled to each other by the hinge pins 1, so that the hinge pins 1 are rotated. As the pair of handle portions 10 and 10a are moved closer to each other, the first and second tightening and cutting block 20 and 20a are configured to be coupled to each other.

The tip ends of the first and second cut parts 30 and 30a are formed in a plate shape that forms a bird's beak when viewed from the side, and the tip of the first cut part 30 is a bird's lower beak shape. The tip of the second cut portion 30a is in the shape of a bird's beak.

In addition, cutouts 9 and 9a are formed at the top of the cut surface formed at the distal end of the first cutout 30 and the bottom of the cut surface formed at the distal end of the second cutout 30a.

The pair of tightening and cutting block bodies 20 and 20a are provided when the first and second cut portions 30 and 30a are moved close to each other by the hinge pin 1. 2 cut | disconnected parts 30 and 30a are each provided in the inner surface which mutually faces.

As shown in FIG. 2, the first tightening and cutting block 20 is detachably coupled along the longitudinal direction of the first cutout 30 at the inner side of the tip of the first cutout 30. A first coupling plate 25 having a line height equal to a top surface of the tip of the first cutout part 30; A first protrusion protruding in a direction perpendicular to the longitudinal direction of the first cutout portion 30 at the distal end of the first coupling plate 25, but protruding at a position where the cutout portion 9 of the first cutout portion 30 is formed; Pulling unit 21; The male rounding part 22 protruding from the first coupling plate 25 in the same direction as the direction in which the first pull part 21 protrudes from the rear of the position where the first pull part 21 is formed. It includes.

As shown in FIG. 2, the second tightening and cutting block 20a may be coupled to the second cutting portion 30a along the longitudinal direction of the second cutting portion 30a. A second coupling plate 25a having a screw hole corresponding to the screw hole 5 of the second cut portion 30a and having the same height line as the bottom surface of the front end of the second cut portion 30; Protrudes from the distal end of the second coupling plate (25a) in a direction perpendicular to the longitudinal direction of the second cutout (30), but protruded at the position where the cutout (9a) of the second cutout (30a) is formed A second pull portion (21a) in contact with the top and bottom surfaces of the first pull portion (21) as the pair of handle portions (10, 10a) are pinched; The pair of the pair is disposed at the rear in the position where the second pulling portion 21a is formed to protrude from the second coupling plate 25a in the same direction as the direction in which the second pulling portion 21a protrudes. As the handle portions 10 and 10a are retracted, the female rounding portion 23a of the male rounding portion 22 of the first tightening and cutting block 20a is inserted and accommodated.

The first tightening and cutting block 20 may include a direction in which the first pulling portion 21 protrudes from the rear of the male rounding portion 22 formed on the first coupling plate 25. It further includes a female rounding portion 23 protruding from the first coupling plate 25 in the same direction.

The second tightening and cutting block 20a may be formed in a direction in which the second pulling portion 21a protrudes from the rear of the female rounding portion 23 formed in the second coupling plate 25. The female rounding part 23 of the first tightening and cutting block 20 is formed by protruding from the second coupling plate 25a in the same direction and closing the pair of handle portions 10 and 10a. It further includes a male rounding portion 22a inserted into the.

A plurality of screw holes 5 are formed at the front ends of the first and second cut portions 30 and 30a.

In addition, the first and second coupling plates 25 and 25a are provided with a threaded hole 5a corresponding to the screw hole 5.

Accordingly, in the state where the first and second coupling plates 25 and 25a are disposed on the inner surfaces of the first and second cutouts 30 and 30a, respectively, the screw holes 5 and 5a may be screwed. When the fastening means is inserted and fastened, the first and second coupling plates 25 and 25a may be coupled to the first and second cutouts 30 and 30a in a fixed state.

In addition, a plurality of friction protrusions 7 protrude from the upper surface of the first pulling portion 21 and the lower surface of the second pulling portion 21a in the vertical direction and the vertical downward direction, respectively.

The friction protrusions 7 of the first pulling portion 21 and the friction protrusions 7 of the second pulling portion 21a are alternately arranged.

In addition, the male rounding portion 22 of the first coupling plate 25 and the male rounding portion 22a of the second coupling plate 25a have a hemispherical cross section and the first and second coupling plates 25, 25a), each protrudes horizontally, and protrudes from the tip height direction of each of the first cutout portion 30 and the second cutout portion 30a.

The female rounding part 23 of the first coupling plate 25 and the female rounding part 23a of the second coupling plate 25a have a hemispherical cross section corresponding to the shape of the male rounding parts 22 and 22a. Protruding horizontally from the first and second coupling plates (25, 25a), respectively, with the concave grooves (24) formed therein, and the tip height directions of the first and second cut portions (30) and (30a). Each overhang.

The upper and lower edges of the male rounding parts 22 and 22a are formed with blades 8 and upper and lower edges of the female rounding parts 23 and 23a defining the concave grooves 24. The blade surface 8 is also formed.

The cable tie cutting shears of the present invention configured as described above are used as follows.

First, in order to pull and cut the strip-shaped portion 4 of the cable tie which protrudes through the through hole of the fastener 6 after wrapping the plurality of electric wires W, the worker cuts the first and second cut portions 30. The belt-shaped portion to be pulled between the first pulling portion 21 and the second pulling portion 21a of the first and second tightening and cutting work block bodies 20 and 20a respectively mounted to the end portion 30a, respectively. Position the tip of 4).

Then, the operator pinches the pair of handle portions 10 and 10a with each other to bring the first pull portion 21 and the second pull portion 21a into contact with each other.

In this state, the band-shaped portion 4 of the cable tie is held by the first and second pulling portions 21 and 21a.

Then, when the worker pulls while grasping the pair of handle portions 10 and 10a, the belt-shaped portion 4 of the cable tie can be pulled to firmly bind the plurality of wires W.

And, in order to cut the band-shaped portion 4 of the cable tie pulled by the first and second pulling portion 21a and the tip thereof protrudes to the right, as shown in FIG. A cut portion of the band portion 4 to be cut is positioned between the male rounding portion 22 of 25 and the female rounding portion 23a of the second coupling plate 25a.

That is, the cut portion of the belt-shaped portion 4 is placed between the upper end of the male rounding portion 22 and the lower end of the female rounding portion 23a.

Then, when the worker retracts while holding the pair of handle portions 10, 10a, the first and second cut portions 30, 30a are retracted from each other, and the male rounding portion 22 The upper end of the portion is partially inserted into the concave groove 24 of the female rounding part 23a.

At this time, the cutting portion of the belt portion 4 located between the upper portion of the male rounding portion 22 and the lower portion of the female rounding portion 23a is a blade surface 8 formed at the upper edge of the male rounding portion 22. ) And the blade surface 8 formed at the lower edge of the female rounding part 23a, and the cut surface is cut round like a hemispherical shape as shown in FIG.

3, in order to cut the strip | belt-shaped part 4 of the cable tie pulled by the said 1st and 2nd pulling part 21a, and the front-end | tip protruded to the left, the said 1st coupling plate ( A cut portion of the band portion 4 to be cut is positioned between the female rounding portion 23 of 25 and the male rounding portion 22a of the second coupling plate 25a.

That is, the cut portion of the belt-shaped portion 4 is placed between the upper end of the female rounding portion 23 and the lower end of the male rounding portion 22a.

Then, when the operator retracts while holding the pair of handle portions 10, 10a, the first and second cut portions 30, 30a are retracted from each other, and the male rounding portion 22a The lower end portion of the female rounded portion 23 is inserted into the recessed groove 24 of the part.

At this time, the cut portion of the band portion 4 located between the lower portion of the male rounding portion 22a and the upper portion of the female rounding portion 23 is a blade surface 8 formed at the lower edge of the male rounding portion 22. ) And the blade surface 8 formed at the lower edge of the female rounding part 23, and the cut surface is cut round like a hemispherical shape as shown in FIG.

Here, as the pair of handle portion 10 and the second handle portion (10a) is pinched by each other by the operator, the upper end and the second coupling of the male rounding portion 22 of the first coupling plate 25 A part of the lower end of the male rounding part 22a of the plate 25a is formed by the recess 24 of the female rounding part 23a of the second coupling plate 25a and the female rounding part of the first coupling plate 25. The reason why it may be inserted into the recessed grooves 24 of the 23 is that the first and second tufts 21 and 21a are cut outs 9 formed at the distal ends of the first and second cutouts 30 and 30a. Because they are moved further into contact with each other by the cut depth of).

As a result, the operator can cut the cut portion of the belt portion 4 roundly like a hemispherical shape by the cutting scissors of the present invention, so that when the worker repairs the vehicle and the mechanical device, the cut portion is sharply cut. The body is not damaged by the distal end of the band 4.

In addition, the cutting scissors of the present invention, for example, the drawing of Figure 3, the first and second coupling plates 25, 25a detachably coupled to the inner side of the front end of the first, second cuts (30, 30a) At the end of the male rounded portion 22 and the female rounded portion 23a, which can cut round the cut portion of the belt-shaped portion 4 protruding to the right, are respectively disposed, and the first and second coupling plates ( Since the female rounding portion 23 and the male rounding portion 22a are arranged at the proximal ends of the 25 and 25a ends, the female rounding portion 23 and the male rounding portion 22a, which can cut the cutting portion of the belt-shaped portion 4 protruding to the left, are respectively arranged. The belt-shaped portion 4 protruding to the left and the right side in one position without having to twist the wrist or grip the first and second handle portions 10 and 10a in a state where the handle portions 10 and 10a are gripped once Can be cut round.

Further, as the band cable binds a plurality of wire bundles or thick wires, the first and second tufts formed on the cutting scissors of the present invention even if the tip of the band-shaped portion 4 protruding through the fastener 6 is short. Since the front ends of the belt-shaped portions 4 can be grasped and pulled by the portions 21 and 21a, a thick wire and a plurality of wire bundles can be firmly bound.

Furthermore, since the friction protrusions 7 of the first and second pull portions 21 and 21a rub against the latches 2 of the belt-shaped portion 4, the operator pulls the first and second pull portions 21. , 21a) can be pulled out without slipping in the gripped end of the belt-shaped portion 4.

And, as mentioned above, the first male rounding part 22 as the first and second pulling parts 21 and 21a are further moved to contact each other by the height cut by the cutout 9. And a portion of the second female rounding part 22a is inserted into the concave grooves 24 of the second female rounding part 23a and the first female rounding part 23, respectively, so that the band part 4 is cut. The operator can easily cut the cut portion of the belt portion 4 even with a small force.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited to.

10, 10a: handle 20: first tightening and cutting block body
20a: 2nd tightening and cutting block 22, 22a: male rounding part
23, 23a: female rounding portion 25: the first coupling plate
25a: second bonding plate

Claims (4)

A pair of handles 10 and 10a are provided at the proximal ends, respectively, and the first and second cutouts 30 and 30a are detachably coupled to the distal end of the first and second tightening and cutting block bodies 20 and 20a, respectively. As the cable tie cutting shears are coupled to each other rotatably by a hinge pin (1),
The first and second cut portions 30, 30a,
A screw hole 5 formed through the front end portions of the first and second cut portions 30 and 30a, a top surface of the tip portion of the first cut portion 30 and a bottom surface of the tip portion of the second cut portion 30a, respectively. Including incisions 9 and 9a,
The first tightening and cutting block 20 is,
A screw hole corresponding to the screw hole 5 of the first cut part 30 is formed to be detachably coupled along the longitudinal direction of the first cut part 30 on the inner side of the tip of the first cut part 30. A first coupling plate 25 having a line height equal to a top surface of the tip of the first cutout part 30; A first protrusion protruding in a direction perpendicular to the longitudinal direction of the first cutout portion 30 at the distal end of the first coupling plate 25, but protruding at a position where the cutout portion 9 of the first cutout portion 30 is formed; Pulling unit 21; The male rounding part 22 protruding from the first coupling plate 25 in the same direction as the direction in which the first pull part 21 protrudes from the rear of the position where the first pull part 21 is formed. Including,
The second tightening and cutting block 20a,
A screw hole corresponding to the screw hole 5 of the second cut portion 30a is formed to be coupled to be separably attached along the longitudinal direction of the second cut portion 30a on the inner side of the tip of the second cut portion 30a. A second coupling plate 25a having the same height line as the bottom surface of the front end of the second cutout portion 30; Protrudes from the distal end of the second coupling plate (25a) in a direction perpendicular to the longitudinal direction of the second cutout (30), but protruded at the position where the cutout (9a) of the second cutout (30a) is formed A second pull portion (21a) in contact with the top and bottom surfaces of the first pull portion (21) as the pair of handle portions (10, 10a) are pinched; The pair of the pair is disposed at the rear in the position where the second pulling portion 21a is formed to protrude from the second coupling plate 25a in the same direction as the direction in which the second pulling portion 21a protrudes. And a female rounding portion 23a into which the male rounding portion 22 of the first tightening and cutting block 20a is inserted and received as the handle portions 10 and 10a are retracted. Tie cutting shears. The method of claim 1,
The first tightening and cutting block 20 is in the same direction as the direction in which the first pulling portion 21 protrudes from the rear of the male rounding portion 22 formed in the first coupling plate 25. Including a female rounded portion 23 protruding from the first coupling plate 25,
The second tightening and cutting block 20a is in the same direction as the direction in which the second pulling portion 21a protrudes from the rear of the female rounding portion 23 formed in the second coupling plate 25. Protruding from the second coupling plate 25a and inserted into the female rounding part 23 of the first tightening and cutting block 20 as the pair of handles 10 and 10a are retracted. Cable tie cutting scissors, characterized in that it comprises a male rounding portion (22a). The method of claim 1,
The upper surface of the first pulling portion 21 and the lower surface of the second pulling portion (21a) a plurality of friction projections (7) characterized in that protruding in the vertical and vertical direction in the transverse direction, respectively Cable tie cutting shears. The method according to claim 1 or 2,
The male rounding portion 22 of the first coupling plate 25 and the male rounding portion 22a of the second coupling plate 25a have hemispherical cross-sections of the first and second coupling plates 25 and 25a. Are horizontally protruded from each other, and the female rounding part 23 of the first coupling plate 25 and the female rounding part 23a of the second coupling plate 25a are the male rounding parts 22 and 22a. Cable tie cutting scissors, characterized in that each of the concave groove 24 having a hemispherical cross section corresponding to the shape of the.

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