KR101484046B1 - Connection clamp - Google Patents

Abstract

The present invention relates to a dead-end clamp having a function of preventing a cable from coming loose. More specifically, the dead-end clamp comprises: a clamp body having an operation unit formed therein, wherein the operation unit has a pair of grips inserted therein to be able to move; a pair of grips which moves on a pair of rails by sliding, and moves in one direction on the tilted rails to come in close contact with each other in order to fixate a cable arranged between the grips; a transfer panel transferring the grips; and an elastic spring pressurizing the transfer panel. The clamp body has a guide groove formed on the top surface thereof for the elastic spring to be inserted in the guide groove, wherein the guide groove has a coupling hole formed thereon. The grips have a press groove formed on the inner sides thereof for the cable to be inserted in the press groove, wherein the press groove has friction protrusions formed thereon, and a catching groove formed on the bottom surfaces thereof. The transfer panel has a catching protrusion on the front end thereof to connect and be inserted in the catching groove. A pressurizing panel is formed to support the elastic spring. The transfer panel has a long guide hole formed thereon. A bolt has the end which passes the guide hole and is fastened to the coupling hole to support the elastic spring while guiding the transfer panel. The transfer panel further includes an upper side handle and a side handle formed on the end thereof, thus fixating the cable stably and preventing the cable fixated by external force from being separated from the grip.

Description

Connection clamp "

The present invention relates to a tensile clamp having a wire unlocking function, and more particularly, to a tensile clamp having a wire unlocking function, which is capable of providing a tensile force to an electric wire and stably fixing the electric wire, To a tensile clamp having a function.

Generally, the electric wire for commercial power supply is supported in the air so as to have tension, and the electric pole supporting the electric wire is also fixedly supported via a branch wire supporting the electric pole depending on the installation position.

In this case, the cable or the cable for supporting the cable should maintain a proper tensile force to secure a stable supporting force, and a tension clamp is used for this purpose.

Examples of the tensile clamps include wedge-shaped clamps of Korean Registered Utility Model No. 20-229829, No. 20-210124, No. 20-405444, No. 20-152196, No. 20-257876, and the like.

When the electric wire or branch wire is inserted into the concave-convex portion, the tension clamp of the above-described configuration is brought into close contact with each other while the wedge is moved in the direction of small diameter inside the body by the elastic means. At this time, the circular protrusions and depressions formed on the protrusions and depressions press the wire or branch wire against each other to prevent the wire or cable from slipping or falling out of the inside of the clamp, and provide tensile force to the wire or cable.

However, the above-described prior art clamp (tension clamp) has a problem in that a wire fixed to the clamp by wind or vibration is moved or gradually escapes, causing electric wires to be caught in the vehicle or causing an electric shock in rainy weather.

Further, there is a problem that the grip is moved in the process of replacing or fastening the electric wire without the means for fixing the grip, which makes it inconvenient to work.

The above-mentioned invention means the background art of the technical field to which the present invention belongs, and does not mean the prior art.

SUMMARY OF THE INVENTION The present invention has been conceived to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a wire for preventing a wire fixed by an external force from being separated from a grip, It is an object of the present invention to provide a tensile clamp having an anti-loosening function.

The present invention relates to a clamping apparatus comprising a clamp body formed with an actuating portion for allowing a pair of grips to be inserted and moved, and a pair of rails formed on the actuating portion, the grips being in close contact with each other as the rails are formed in a diagonal line, The clamping body includes a pair of grips for fixing an electric wire disposed between the transfer panel and the conveying panel, a transfer panel for transferring the grips, and an elastic spring for pressing the transfer panel, And a fixing hole is formed in the guide groove so that the electric wire is inserted into the inner side of the grip, the friction protrusions are formed in the fixing groove, and a locking groove is formed in the bottom of the grip And the front end of the transfer panel is connected to the engagement grooves so as to be inserted And the end portion of the bolt passes through the guide hole so as to support the elastic spring and to support the elastic spring. And an upper handle and a side handle are further formed at an end of the conveyance panel.

In addition, an outer surface of the grip is formed with an inclined surface portion in the same direction as the rail, a plurality of locking protrusions are formed on the inclined surface portion, and a plurality of friction grooves are further formed on the inner surface of the operation portion .

Further, a fixing panel is further formed on the conveying panel so as to be bent downward at one end. A fixing groove is formed in the clamp main body so that the grip panel fixes the electric cable after the fixing of the electric wire, And the clamping body is moved in a direction opposite to the actuating part to separate the electric wire from the grip, and then the clamping body is fixed to the clamping body so as to be spaced apart from the fixing groove, Grooves are further formed.

A through hole is formed in the grip, and a through hole is formed in the through hole so as to prevent the grip from being moved by the operating part and to prevent the electric wire fixed to the grip from moving, And a pressing head made of a synthetic resin material having elasticity provided on the support panel so as to protrude outward from the support panel.

A plurality of locking grooves are formed on one of the grips so that the locking device is fixed to the other of the grips. The locking device is hinged to any one of the grips, And a fastening protrusion formed on the pivot block so as to be inserted into the fastening groove, a lead-in groove formed on a bottom surface of the pivot block so as to push the upper portion of the wire, And a bolt.

The tensile clamp having the wire unlocking function of the present invention provides a tensile force to the electric wire and stably fixes the electric wire and also prevents the electric wire fixed by the external force from being separated from the grip.

1 is a plan view showing a tensile clamp having a wire unwinding prevention function according to the present invention.
2 is a side sectional view showing a tensile clamp having a wire unwinding prevention function according to the present invention.
3 is a front view showing a tensile clamp having a wire unwinding prevention function according to the present invention.
4 is a view showing an operating state of a tensile clamp having a wire unwinding prevention function according to the present invention.
5 is a plan view showing a transfer panel in a tension clamp having a wire unwinding prevention function according to the present invention.
6 is a side view showing a transfer panel in a tension clamp having a wire unwinding prevention function according to the present invention.
7 is a plan view showing a grip in a tensile clamp having a wire unwinding prevention function according to the present invention.
8 is a bottom view showing a grip in a tensile clamp having a wire unwinding prevention function according to the present invention.
9 is a side view showing a grip in a tensile clamp having a wire unwinding prevention function according to the present invention.
10 is a view showing another embodiment of a tensile clamp having a wire unwinding prevention function according to the present invention.
11 is a view showing still another embodiment of a tensile clamp having a wire unwinding prevention function according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a tension clamp having a wire unwinding prevention function according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

In addition, the following embodiments are not intended to limit the scope of the present invention, but merely as an example, and various embodiments may be implemented through the present invention.

FIG. 1 is a plan view of a tensile clamp having a wire unwinding prevention function according to the present invention, FIG. 2 is a side sectional view showing a tensile clamp having a wire unwinding prevention function according to the present invention, FIG. 3 is a cross- FIG. 4 is a view showing an operating state of a tension clamp having a wire unwinding prevention function according to the present invention, and FIG. 5 is a view showing a tensile clamp having a wire unwinding prevention function according to the present invention Fig. 6 is a side view showing a transfer panel in a tension clamp having a wire unwinding prevention function according to the present invention. Fig. 7 is a perspective view showing a tensile clamp having a wire unwinding prevention function according to the present invention And Fig. 8 is a bottom view showing a grip in a tensile clamp having a wire unwinding prevention function according to the present invention. Fig. 8 10 is a view showing another embodiment of a tensile clamp having a wire unwinding prevention function according to the present invention, and FIG. 11 is a view showing another embodiment of the tensile clamp having a wire unwinding prevention function according to the present invention. Fig. 7 is a view showing still another embodiment of a tensile clamp having a wire unwinding prevention function according to the present invention. Fig.

As shown in the drawing, a tensile clamp 10 (hereinafter, referred to as a tensile clamp) having a wire unwrapping function according to the present invention is provided with a tensile force to an electric wire 100 connecting a mains lead so as to be maintained in a taut state The tensile clamp 10 includes a clamp body 20, a grip 30, a transfer panel 40, and an elastic spring 50.

The clamp body 20 is made of a metal material. The clamp body 21 is formed at one end of the clamp body 20 so as to be connected to the strut. The tact is formed with an actuating part 22 to insert and move a pair of grips 30, The grip 22 is formed in a triangular panel shape and has an upper surface opened and an operation groove 221 formed on both inner side surfaces of the grip 221. One side of the grip 30 is inserted into the operation groove 221, And a rail 22 is formed on the bottom surface of the operating groove. The rail 22 is formed in a diagonal direction as shown in FIG. 1 and is formed so as to narrow the distance between the rails 22 in one direction.

At this time, the upper surface of the clamp main body 20 is formed with a long guide groove 23 along the longitudinal direction so that the elastic spring 50 can be drawn in. The guide groove 23 is further formed with a fastening hole 231, A bolt 24 is fastened to the fastening hole 231 and the bolt 24 supports the elastic spring 50 disposed in the guide groove 23 in a compressed state.

The grips 30 are made of a metal material and are slid to a pair of rails 222 formed on the actuating part 22 and the rails 222 are formed in a diagonal shape and move in one direction, And the wires disposed between the grips 30 are pressed and fixed by the elastic spring 50, and a pair of the wires are disposed on the actuating part 22 as shown in FIG.

At this time, the grips 30 are formed on the inner side with a compression groove 31 penetrating the wire 100 so that the wire 100 is inserted into the compression groove 31, A plurality of friction protrusions 311 are formed on the bottom surface of the grip 30 so as to prevent the movable member 100 from moving.

The outer surface of the grip 30 is formed with an inclined surface portion 33 that is the same as the direction of the rail 222 and a plurality of protrusions 331 are formed on the inclined surface portion 33, A plurality of friction grooves 223 are further formed on the inner surface of the operating groove 221 formed in the operating portion 22 so that the engaging projection 331 is engaged. (30) is moved in the operating part (22) to prevent the pressed wire from being pulled out.

A guide groove 34 is formed in the bottom surface of the grip 30 in an oblique direction so as to be guided by the rail 222.

The transfer panel 40 is formed in a panel shape and is made of a metal material to transfer the grips 30. The transfer panel 40 has a long guide hole 41 formed therein, The end of the bolt 24 is guided through the guide hole 41 to be screwed to the fastening hole 231 so as to guide the conveying panel 40 and to support the elastic spring 50, An upper handle 44 and a side handle 45 are further formed at an end of the transfer panel 40 so that the operator can transfer the transfer panel 40 after gripping the upper or side portion, A supporting protrusion 42 is formed so as to connect the connecting grooves 32 with each other and a pressing panel 43 is formed to press the elastic spring 50 and to support the elastic spring.

That is, the pressing panel 43 of the conveying panel 40 is disposed on the upper surface of the clamp body 20 so as to be drawn into the guide groove 23, and the elastic spring 50 is compressed The tip end of the compressed elastic spring 50 inserted into the groove 23 is pressed against the pressing panel 43 and the end of the compressed elastic spring 50 is supported by the bolt 24.

The grip 30 of the grip 30 is inserted into the operating groove 221 of the actuating part 22 while the guide groove 34 of the grip 30 is inserted into the rail 222, 21 is fixed to the main body or the insulator, a series of preparatory steps is completed. When the operator pulls the transfer panel 40 in the hole portion direction, the elastic spring 50 is compressed again, And the gap between the grips 30 is opened.

When the conveyance panel 40 is returned after the electric wires 100 are disposed between the grips 30, the conveyance panel 40 is pressed by the elasticity of the elastic spring 50, And the wire 100 is pressed and fixed to complete a series of installation processes.

The bolts 24 are fastened to the clamp body 20 after the fastening holes 231 are fastened so that the transfer panel 40 can be moved, It is preferable that the transfer panel 40 be fixed to the transfer panel 40.

Here, the support panel 40 is further formed with a support protrusion 46 bent downward at one end thereof, and the grips 30 fix the electric wire 100 to the clamp body 20, The support protrusions 46 are inserted into the fixing grooves 25 so that the support protrusions 46 are inserted into the fixing grooves 25 after completion of the series of installation processes as described above, So that the transfer panel 40 is pushed in the hole portion direction to prevent the electric wire 100 from being pulled out or moved from the grip 30.

Since the support protrusion 46 may be caught when the support panel 46 is horizontally moved on the upper surface of the glazing main body 20 of the transfer panel 40 having the support protrusion 46, It is preferable to move the end portion of the airbag in a state in which it is lifted up to a certain height.

The jaws 224 are formed on the bottom surface of the operation part 22 so that grips are disposed and supported on the jaws 224 and the height of the jaws 224 is formed to be as thick as the conveyance panel It is preferable that a groove is formed in the jaw 224 so that an end portion of the conveyance panel is drawn in, so that the conveying panel 40 is guided by the lower portion of the grip after guiding the grip.

The clamping unit 20 is provided with a clamping unit for clamping the conveying panel 40 by moving the conveying panel 40 in a direction opposite to the actuating part 22 to separate the electric cables 100 from the grip 30, The support protrusions 46 are separated from the support grooves 26 so that the support protrusions 46 are separated from the support grooves 26 and are held at predetermined intervals It is possible to perform the operation of disposing the electric wire 100 between the grips which are spaced apart from each other by inserting into the groove so that there is no inconvenience of performing the wire arrangement work while pulling the transfer panel 40.

The elastic spring 50 is disposed in the guide groove 23 to press the transfer panel 40 and is supported by the bolt 24.

The bolt 24 serves as a stopper for supporting the elastic spring 50 and fixes the transfer panel 40 to the clamp body 20. [

10, a through hole 35 is formed in the grip 30 so as to form a tuck at both ends of the grip 30, and the grip 30 is moved in the operation portion 22 to the through hole 35 And a pressing device 60 is further provided to prevent the electric wire 100 fixed to the grip 30 from moving, and the pressing device 60 is provided with a pressing spring 60 disposed on the through hole 35, (63) made of a synthetic resin material having elasticity to be adhered or fused to the support panel (62) in such a manner as to protrude outwardly and a support panel (61) which is arranged to be hooked on the jaws at both ends of the through- The pressing head 63 presses the inner surface of the electric wire 100 and the operation groove 221 by the elasticity of the compressed pressing spring 61 so that the grip 30 and the electric wire 100 Thereby preventing movement.

Referring to FIG. 11, a locking device 70 is further provided on one of the grips, and a plurality of locking grooves 36 are formed on the other of the grips to fix the locking device 70, The apparatus 70 includes a coupling protrusion 72 hinged to one of the grips 30 and formed in the pivot block to be inserted into the pivot block 71 and the coupling groove 36, And a fastening bolt (74) fastened to the fastening protrusion (72) inserted in the fastening groove (36). The fastening bolt (74) The electric wire 100 and the grip 30 are moved by pressing the upper portion of the electric wire 100 with the pivot block 71 and fastening the electric wire 100 to the fastening groove 36 while the electric wire 100 is press- And the bolt is passed through the fastening protrusion 72 and fastened to the fastening groove 36 to be fastened to the fastening protrusion 72, It is prevented from being separated from the clamping groove.

10: tensile clamp 20: clamp body
30: grip 40: transfer panel
50: elastic spring 60: pressure device
70: Biting device
21: hole portion 22:
221: operating groove 222: rail
223: Friction groove 224: Jaw
23: guide groove 231: fastening hole
24: Bold 25: Fixing groove
26: Support groove
31: Compression groove 311: Friction projection
32: Retaining groove 33:
331:
34: guide groove 35: through hole
36: fastening groove
41: guide hole 42:
43: pressure panel 44: upper handle
45: side handle 46: support projection
61: pressing spring 62:
63: pressure head
71: rotation block 72: fastening projection
73: Inlet groove 74: Fixing bolt
100: Wires

Claims (5)

A clamp main body having an actuating part for moving a pair of grips to be inserted and moved,
A pair of grips that are slidably moved on a pair of rails formed on the operation unit, and the rails are formed as oblique lines so that the grips are in close contact with each other so that the rails can move in one direction,
A transfer panel for transferring the grips,
And a resilient spring for urging the transfer panel,
A guide groove is formed on the upper surface of the clamp body to allow an elastic spring to be inserted into the guide groove.
The grips are formed with fixing grooves on the inner side so that the electric wires are inserted into the fixing grooves. The fixing grooves further include friction protrusions. The grips are formed on the bottom surfaces of the grips. A pressing panel is formed to support the elastic spring,
Wherein the conveying panel is formed with a long guide hole, the end of the bolt penetrates through the guide hole and is fastened to the fastening hole so as to guide the conveyance panel and to support the elastic spring,
Wherein an upper handle and a side handle are further formed at an end of the transfer panel.
The method according to claim 1,
A plurality of engaging projections are formed on the inclined surface portion and a plurality of friction grooves are formed on the inner side surface of the operation portion so that the engaging projection is engaged with the engaging projection, A tensile clamp having a wire unwinding prevention function.
The method according to claim 1,
The conveyance panel is formed with a support protrusion bent downward at one end thereof. In the clamp body, a fixing groove is formed in the clamp body to fix the conveyance panel after the grips fix the electric wire, so that the support protrusion is inserted into the fixing groove. and,
The clamping body further has a support groove formed at a predetermined distance from the fixing groove so as to be movable in a state where the transfer panel is fixed while moving the transfer panel in a direction opposite to the operation portion, And a tensile clamp having a wire unwinding prevention function.
The method according to claim 1,
And a through hole is formed in the grip, and a through hole is formed in the through hole so as to prevent the grip from being moved by the operating portion and to prevent the electric wire fixed to the grip from being moved, And a pressing head composed of a pressing spring disposed in the hole, a supporting panel arranged to be hooked on both ends of the through hole, and a resilient synthetic resin provided on the supporting panel so as to protrude outwardly. Having tensile clamps.
The method according to claim 1,
Wherein a plurality of gripping grooves are formed on one of the grips so that the gripping device is fixed to the other of the grips, the gripping device is hinged to any one of the grips, A fastening protrusion formed on the rotary block to be inserted into the fastening groove, a fastening bolt fastened to the fastening protrusion inserted in the fastening block, and a fastening bolt fastened to the fastening protrusion inserted in the fastening block, And a tensile clamp having a wire unwinding prevention function.

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