CN205452587U - Crimping formula fastener - Google Patents

Abstract

The utility model discloses a crimping formula fastener, it includes outer split line sleeve, outer split line sleeve has the arm lock of two relative settings, corresponds on the internal surface of two arm lock to be provided with from the heavy groove of the inside concave yield of its internal surface, be equipped with among the outer split line sleeve lie in between two arm lock and along with the fastener core apart from the fastener core that diminishes gradually between the internal surface of last lateral wall that stretches into the fastener core downwards and arm lock, bolted connection through passing interior fastener core, recess and outer split line sleeve between interior fastener core and the outer split line sleeve. The utility model discloses simple structure, installation are very convenient, have the structural strength height, difficult not hard up and the fastener slides, cable clamp holds the advantage that the reliability is high.

Description

A kind of compression joint type wire clamp

Technical field

This utility model relates to a kind of compression joint type wire clamp.

Background technology

Wire clamp is the corner for cable, continues and the connection of terminal.Tradition parallel groove clamp uses ferrous material, and ferrum is magnetic conductor, easily produces vortex phenomenon, causes energy loss.Existing major part wire clamp uses aluminium alloy to make, and it has extremely strong strain insulator intensity, without concentrated stress, optical cable plays protection and the effect of auxiliary vibration damping.

Existing wire clamp uses button type structure mostly, two pieces of the most corresponding wireplints are i.e. set, two deep gouges it are correspondingly arranged on two wireplints, deep gouge corresponding on two pieces of wireplints collectively constitutes a cable passage, two lines cable is individually positioned in cable passage, and two wireplints compressions can be realized the clamping of cable by bolt.First this wire clamp has the disadvantage in that, during cable clamp, bolt pressurized is big and by two wireplints, pressure is carried out cable clamp, high to the requirement of mechanical strength of tension disc, thus causes bad mechanical strength, the most loosening phenomenon；Secondly, this opposite-compacting type cable clamp, its effective pressure-bearing contact area is little, thus easily occurs that clamping loosens or the phenomenon such as wire clamp sliding.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of mechanical strength height, is difficult to loosening and that cable clamp is effective compression joint type wire clamp.

For solving above-mentioned technical problem, the compression joint type wire clamp provided includes outer clamp set, it is structurally characterized in that: described outer clamp tackling has two jig arm being oppositely arranged, the deep gouge being inwardly recessed from its inner surface it is correspondingly arranged on the inner surface of two jig arm, described outer clamp set is provided with between two jig arm and along with interior lines sandwich from up to down stretches into the interior lines sandwich that the spacing of the sidewall of interior lines sandwich and the inner surface of jig arm tapers into, described interior lines sandwich is connected by the bolt overlapped through interior lines sandwich, groove and outer clamp between overlapping with outer clamp.

The top of described interior lines sandwich is provided with the slotted eye embedded for bolt head, described bolt overlap through outer clamp after under be bolted with nut in the section of stretching.

On the sandwich of described interior lines, the surface of the sidewall of corresponding jig arm inner surface is gradually the most close to its corresponding jig arm slope,

Described outer clamp tackling has from top to bottom and the most through elongated slot is so that the outer clamp set of elongated slot both sides forms two jig arm being oppositely arranged.

On the sandwich of interior lines, the surface of the sidewall of corresponding jig arm inner surface is gradually the most close to its corresponding jig arm slope, and described slope includes the straight incline face extended from the bottom up of interior lines sandwich and extends to the curve slope at sandwich top, interior lines from top, straight incline face.

The bottom land of described deep gouge is provided with anti-slip veins or anti-skidding salient point.

Described anti-slip veins longitudinal extension and interval arrange a plurality of.

Described outer clamp set is made and space between two jig arm forms the trapezoidal receiving chamber the most gradually broadened by having resilient aluminium alloy after Overheating Treatment.

The cross sectional shape semicircular in shape of described deep gouge and this semicircular central point are positioned in described deep gouge.

Described outer clamp puts the groove being provided with for inserting bottom the sandwich of interior lines.

nullAfter using said structure，The cable that two parallel is arranged in elongated slot，And cable sinks in the deep gouge of jig arm，Interior lines sandwich is stretched in above-mentioned elongated slot，On the sandwich of interior lines, the sidewall of corresponding jig arm inner surface coordinates cable clamp with deep gouge，Along with screwing of bolt，Slope gradually extrudes cable with the bottom land of deep gouge，Thus complete the firm clamping of cable，In the clamping process of whole cable，Install very convenient，During the stretching into of interior lines sandwich，Two lines cable bears horizontal extruding force and uniform force，Stress is cancelled out each other，Enhance total intensity，The stress having clamped rear bolt reduces，Avoid the occurrence of because bolt failure causes the phenomenon easily loosened，And this deep gouge coordinates the mode of extruding with inclined-plane，Considerably increase the pressure-bearing contact area between cable and wire clamp and extruding force，Do not have wire clamp skidding，Substantially increase cable clamp reliability.

In sum, this utility model simple in construction, install very convenient, have that structural strength is high, be difficult to the advantage that loosens and wire clamp slides, cable clamp reliability is high.

Accompanying drawing explanation

Below in conjunction with the accompanying drawings this utility model is further described:

Fig. 1 is the structural representation of a kind of embodiment of this utility model；

Fig. 2 is the perspective view of Fig. 1；

Fig. 3 is the top view of Fig. 1；

Fig. 4 is the structural representation of line A-A section view along Fig. 1；

Fig. 5 is the structural representation of outer clamp set；

Fig. 6 is the structural representation of line B-B section view along Fig. 5；

Fig. 7 is the structural representation of interior lines sandwich；

Fig. 8 is the structural representation of this utility model another kind embodiment；

Fig. 9 is the structural representation of this utility model another embodiment.

Detailed description of the invention

nullAs shown in Figures 1 to 4，This utility model provides a kind of compression joint type wire clamp，For convenience of describing，So that Fig. 1 to be perpendicular to the longitudinal direction that direction is this wire clamp of paper，That is，The direction that cable passes is that it is longitudinal，In Fig. 1, cable 10 is adopted and is represented by dashed line，This compression joint type wire clamp includes outer clamp set 1，Outer clamp set 1 is made by having resilient aluminium alloy after Overheating Treatment，The concrete material-structure of this aluminium alloy is prior art，Do not repeat them here，It is also prior art through process of thermal treatment，Outer clamp set 1 has from top to bottom and the most through elongated slot is so that the outer clamp set of elongated slot both sides forms two jig arm being oppositely arranged 11，The deep gouge 12 being inwardly recessed from its inner surface it is correspondingly arranged on the inner surface of two jig arm 11，Described outer clamp set 1 is provided with the interior lines sandwich 2 being positioned in elongated slot，On interior lines sandwich 2, the surface of the sidewall of corresponding jig arm 11 inner surface is gradually the most close to its corresponding jig arm slope，So that becoming narrow gradually along with interior lines sandwich 2 stretching in elongated slot between the inner surface of the sidewall of interior lines sandwich 2 and jig arm 11，The bottom land of the elongated slot of described outer clamp set 1 is provided with the groove 13 for inserting bottom interior lines sandwich 2，By through interior lines sandwich between described interior lines sandwich 2 and outer clamp set 1、The bolt 3 of groove and outer clamp set 1 connects.During use, the cable 10 that two parallel is arranged in elongated slot, and cable sinks in the deep gouge 12 of jig arm 11, interior lines sandwich 2 is stretched in above-mentioned elongated slot, on interior lines sandwich 2, the sidewall of corresponding jig arm 11 inner surface coordinates cable clamp with deep gouge 12, along with screwing of bolt, interior lines sandwich 2 gradually stretches in elongated slot, become narrow gradually between sidewall and the inner surface of jig arm 11 of interior lines sandwich 2, slope gradually extrudes cable with the bottom land of deep gouge, thus complete the firm clamping of cable, in the clamping process of whole cable, install very convenient, during the stretching into of interior lines sandwich, two lines cable bears horizontal extruding force and uniform force, stress is cancelled out each other, enhance total intensity.

As shown in Fig. 1, Fig. 4 and Fig. 7, the top of described interior lines sandwich 2 is provided with the slotted eye 4 embedded for bolt 3 head, described bolt 3 is bolted with nut 5 in the section of stretching under after outer clamp set 1, and in the present embodiment, slotted eye 4 is in strip, bolt head is orthohexagonal, the distance of regular hexagon two opposite side is consistent with the width of strip slotted eye, so that after the head of bolt 3 embeds slotted eye, bolt 3 will not rotate, screw on nut is only needed during installation, very convenient.

nullSuch as Fig. 1、Fig. 5、Shown in Fig. 6 and Fig. 7，Described slope includes the straight incline face 21 extended from the bottom up of interior lines sandwich 2 and extends to the curve slope 22 at interior lines sandwich 2 top from top, straight incline face，Space between two jig arm 11 forms the trapezoidal receiving chamber the most gradually broadened，Part between two dotted lines as shown in Figure 5，Also just say，The cross section of above-mentioned elongated slot is up big and down small isosceles trapezoid，The cross sectional shape semicircular in shape of deep gouge 12 and this semicircular central point X are positioned in described deep gouge，After using above-mentioned setting，Being predominantly located in deep gouge of cable cross-sections，Thus increase the pressure-bearing contact area of cable and deep gouge to greatest extent，And cable can be played the support tilted upward by the bottom land of deep gouge 12，The spacing effect being pressed against can be played in the top of cable by the most above-mentioned curve slope 22，Thus improve the wire clamp clamping to cable.

As shown in Figure 5 and Figure 6, the bottom land of deep gouge 12 is provided with anti-slip veins or anti-skidding salient point, and in the present embodiment, above-mentioned bottom land arranges anti-slip veins, and anti-slip veins longitudinal extension and interval arrange a plurality of, has both played the effect of increasing friction force, and wire clamp sliding can be prevented again to lose efficacy.

As shown in Figure 8, this utility model provides another kind of embodiment, its basic structure is same as the previously described embodiments, difference is that the shape of jig arm 11 is different, certainly can be according to design of material, design difform jig arm 11. as shown in Figure 9, this utility model provides another embodiment, its basic structure is same as the previously described embodiments, difference is that the cross section in the space between two jig arm 11 is rectangle, the i.e. rectangular in cross-section of elongated slot, this set can also realize between the sidewall of interior lines sandwich 2 and the inner surface of jig arm 11 along with interior lines sandwich 2 stretching in elongated slot becomes narrow gradually, but its gripping width is limited, that is, the diameter range of the cable adapted to is narrower.And use the mode of first embodiment of this utility model, it is adapted to the clamping of the cable of larger diameter scope.

This utility model is not restricted to the described embodiments, for those skilled in the art, based on the equivalent variations of concrete structure on this utility model and part replacement all in protection domain of the present utility model.

Claims (10)

1. a compression joint type wire clamp, including outer clamp set (1), it is characterized in that: described outer clamp set (1) has two jig arm being oppositely arranged (11), the deep gouge (12) being inwardly recessed from its inner surface it is correspondingly arranged on the inner surface of two jig arm (11), described outer clamp set (1) is provided with and is positioned between two jig arm (11) and along with interior lines sandwich (2) from up to down stretches into the interior lines sandwich (2) that the spacing of the sidewall of interior lines sandwich (2) and the inner surface of jig arm (11) tapers into, by through interior lines sandwich between described interior lines sandwich (2) and outer clamp set (1), the bolt (3) of groove and outer clamp set (1) connects.

Compression joint type wire clamp the most according to claim 1, is characterized in that: the top of described interior lines sandwich (2) is provided with the slotted eye (4) embedded for bolt (3) head, and described bolt (3) is bolted with nut (5) in the section of stretching under after outer clamp set (1).

Compression joint type wire clamp the most according to claim 1, is characterized in that: the slope that jig arm (11) that the surface of the sidewall of the upper corresponding jig arm inner surface in described interior lines sandwich (2) is gradually the most corresponding to it is close.

Compression joint type wire clamp the most according to claim 1, is characterized in that: described outer clamp set (1) has from top to bottom and the most through elongated slot is so that the outer clamp set of elongated slot both sides forms two jig arm being oppositely arranged (11).

Compression joint type wire clamp the most according to claim 1, it is characterized in that: on the sandwich of interior lines, the surface of the sidewall of corresponding jig arm inner surface is gradually the most close to its corresponding jig arm slope, described slope includes the straight incline face (21) extended from the bottom up of interior lines sandwich (2) and extends to the curve slope (22) at interior lines sandwich (2) top from top, straight incline face.

6. according to the compression joint type wire clamp according to any one of claim 1-5, it is characterized in that: the bottom land of described deep gouge (12) is provided with anti-slip veins or anti-skidding salient point.

Compression joint type wire clamp the most according to claim 6, is characterized in that: described anti-slip veins longitudinal extension and interval arrange a plurality of.

8. according to the compression joint type wire clamp according to any one of claim 1-5, it is characterized in that: described outer clamp set (1) is made and space between two jig arm (11) forms the trapezoidal receiving chamber the most gradually broadened by having resilient aluminium alloy after Overheating Treatment.

9. according to the compression joint type wire clamp according to any one of claim 1-5, it is characterized in that: cross sectional shape semicircular in shape and this semicircular central point of described deep gouge (12) are positioned in described deep gouge.

10. according to the compression joint type wire clamp according to any one of claim 1-5, it is characterized in that: described outer clamp set (1) is provided with the groove (13) inserted for interior lines sandwich (2) bottom.