JPH0226131Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial field of application> The invention is used to connect two wires, such as when electrically and physically connecting lightning conductors in lightning rod equipment. More specifically, it has a cut groove for inserting the wire rod, and is provided on the outer circumferential surface of both side wall portions facing each other with the cut groove in between, and is movable forward and backward in the depth direction of the cut groove. A male thread into which a tightening nut is screwed is formed at a position slightly closer to the opening end of the notch than the bottom of the notch, and a nut screwed into the male screw. The present invention relates to a wire pressing washer member of a wire connection fitting, which is comprised of a wire rod pressing washer member fitted and held in the cut groove so as to be freely movable only in the depth direction of the cut groove.

<Prior Art> In conventionally used metal fittings of this type, the washer member was constructed as follows.

That is, as shown in FIG. 14, the protruding portion 06A and the cut groove 01 are fitted into the female threaded hole 03A of the tightening nut 03 to prevent the cut groove 01 from being pulled out in the penetrating direction of the metal fitting body 05. The whole has a convex shape with a part 06B that is fitted and held so that it can only be moved inward, and the protruding end surface of the central protruding part 06A abuts and locks the peripheral edge of the nut 03. , tighten the metal fitting body 05 with the nut 0
3 and a band-shaped connector 08 that is held in a state of integral movement is screwed together.

<Problems to be solved by the invention> When using conventional products with the above configuration, the entire washer member had a large number of components, and each of them was manufactured separately and then assembled. Both sides had the disadvantage of increased costs.

<Means for solving the problem> In view of the above-mentioned circumstances, the purpose of the present invention is to reduce the overall cost of the product by using materials that are easy to mass produce and are inexpensive, and to achieve this goal. The wire pressing washer member of the wiring fitting according to the present invention devised for this purpose is a part of the wiring fitting having the configuration described in detail at the beginning that is fitted and held in a cut groove in the fitting main body so that it can only move freely. And the part that prevents the fitting part from being pulled out in the penetrating direction of the cut groove is cut into a necessary length in the longitudinal direction of a long material in which the part is continuously formed into a strip shape. This is a washer member for pressing a wire rod of a wiring fitting having a planar H shape formed by cutting out a portion.

<Function> The wiring fitting according to the present invention having the above-mentioned configuration can be used after inserting the two wire rods W ₁ and W ₂ to be connected into the cut groove of the fitting body so that they overlap in the depth direction. By screwing the nut in the tightening direction and moving the washer member in the depth direction of the cut groove, both the wire rods W ₁ and W ₂ are connected to the washer member having an H-shaped plane and the cut groove in the metal fitting body. Both wire rods are clamped and fixed between the bottom and the wire rods are securely and sufficiently prevented from being pulled out in the longitudinal direction.
It is possible to connect W ₁ and W ₂ reliably and strongly both physically and electrically.

<Example> An example of the present invention will be described below in detail based on the drawings.

1 to 3, reference numeral 5 denotes a metal fitting body, and as shown in FIGS. 6 and 7, the groove bottom 1A thereof has a cut groove 1 for inserting a wire rod, which is approximately semicircular. At the same time, on the outer circumferential surfaces of both side wall parts 2, 2, which are located opposite to each other with the cut groove 1 in between, a male thread 4 whose axis is centered at the center position of the cut groove 1 is provided. It is formed with a length that extends to a position slightly closer to the opening end of the cut groove 1 than the bottom 1A of the shape,
A rectangular main body head 7 is connected to the bottom 1A side of the cut groove 1 with respect to the male screw 4. Reference numeral 3 designates a tightening nut that is screwed onto the male thread 4 of the metal fitting main body 5 so as to be movable forward and backward in the depth direction of the cut groove 1. Reference numeral 6 denotes a wire rod pressing washer member that is approximately H-shaped in plan view in the axial direction of the male screw 4, and as shown clearly in FIGS. The dimension between the opposing inner surfaces of the cut groove 1 in the main body 5 is the same or slightly smaller, and the upper surface is flush with the retaining protrusions 6B on both the left and right sides and is thick only on the lower side, and the lower surface thereof is an upwardly convex, almost semicircular gutter-like curved surface 6a.
It is fitted and held in the cut groove 1 of the metal fitting main body 5 in a state where it can only slide freely in the depth direction of the cut groove 1 via the aforementioned nut 3.

In the connection fitting consisting of the above-mentioned components 5, 3, and 6, the fitting main body 5 and the wire pressing washer member 6 are each constructed as follows.

FIG. 9 shows the constituent material 5' of the metal fitting body 5,
This is a long brass material whose overall outer shape is approximately prismatic, and which has been drawn so that the cut groove 1 and both side walls 2, 2 thereof are continuous in a strip shape.
After cutting this long material 5' in the longitudinal direction to a length shorter than the dimension L between the outer surfaces of the both side walls 2, 2, the both side walls 2,
By forming the above-mentioned male thread 4 on 2 using tapping means, a metal fitting main body 5 as shown in FIGS. 6 and 7 is constructed.

FIG. 8 shows a constituent material 6' of the wire rod pressing washer member 6, which is approximately T-shaped when viewed in the longitudinal direction, and includes the thick middle fitting portion 6A and both side retaining protrusions 6B, 6B. This is a long material made of brass that has been drawn so as to be continuous in a strip shape, and this long material 6' is cut into a length slightly longer than the cut material 5'' in the metal fitting main body 5 in the longitudinal direction. in,
Cut unnecessary parts of the thin side panels of the cut material 5" into the 8th
By cutting as shown by the dotted line in the figure, the wire pressing washer member 6 as shown in FIGS. 4 and 5 is configured to have an H-shape in plan.

Regarding the nut 3, existing (commercially available)
Use the brass nut as is.

10 to 12 show another embodiment, in which the metal fitting main body 5 has two external threads 4 with the notch grooves 1 separated by an appropriate distance, as clearly shown in FIG. The main body head 7 has a rectangular shape and is integrally connected with the main body head 7, and the bottom of each cut groove 1, 1 is formed in the main body head 7 in the shape of a gutter, and the wire rod pressing washer member 6 is connected to the 12th As clearly shown in the figure, there are two thick intermediate portions 6A, 6A that fit into the two cut grooves 1, 1 in the metal fitting main body 5, respectively, so as to be able to slide freely only in the depth direction. Preventive protrusions 6B' and 6B, 6B are formed between the thick intermediate portions 6A, 6A and on both left and right sides, respectively.
Both the metal fitting body 5 and the washer member 6 are made of elongated materials 5' and 6' as in the above embodiment, and the cut materials 5'' and 6'' are processed by cutting, tapping, etc., respectively. It is composed of shapes.

FIG. 13 also shows another embodiment, in which the washer member 6 of the embodiment shown in FIGS. 10 to 12 has the retaining protrusions 6B and 6B on both sides removed and is shaped like a cross. Even if the washer member 6 is not removed from the cut grooves 1, 1, it is possible to fit and hold the washer member 6 freely only by sliding movement.

<Effects of the invention> As is clear from the detailed description above, the wire pressing washer member of the wire connection fitting according to the present invention is a portion that is fitted and held in the cut groove 1 of the fitting body 5 so as to be able to move only freely. 6A and the extraction prevention portion 6B of the portion 6A, the washer member 6 is
and 6B can be constructed using simple and minimal manufacturing and processing means such as cutting a continuous long material 6' in a strip shape to an appropriate length and removing unnecessary portions. And the long material 6' itself,
For example, since it can be manufactured by easy and inexpensive means such as drawing, it only requires one part compared to the conventional products mentioned above.
Coupled with the fact that there is no need for assembly, this has resulted in a practical effect that can significantly reduce costs overall.

[Brief explanation of drawings]

1 to 9 show one embodiment of the present invention; FIG. 1 is an overall front view, FIG. 2 is an overall side view, FIG. 3 is an enlarged vertical sectional view taken along the line of FIG. 1, and FIG. The figure is a perspective view of the wire rod pressing washer member, FIG. 5 is a plan view of the same,
Fig. 6 is a perspective view of the metal fitting body, Fig. 7 is a plan view of the same,
Figure 8 is a perspective view showing the constituent materials of the washer member;
The figure is a perspective view showing the constituent materials of the fitting main body, FIGS. 10 to 12 show another embodiment, FIG. 10 is an overall side view, FIG. 11 is a perspective view of the fitting main body,
13 is a perspective view of a washer member according to another embodiment, and FIG. 14 is an exploded perspective view of a conventional product. 1 is a cut groove, 2 and 2 are opposite side walls, 3 is a tightening nut, 4 is a male thread, 5 is a metal fitting body, 6 is a washer member for pressing wire rod, 6' is a long material, and 6'' is a cut It is the material.

Claims (1)

[Scope of Claim for Utility Model Registration] Both side wall portions 2 having a cut groove 1 for inserting the wire rod and located opposite to each other with the cut groove 1 in between,
2, a male screw 4 into which a tightening nut 3 is screwed so as to be able to move forward and backward in the depth direction of the notch 1 is inserted into the outer circumferential surface of the notch 1, slightly below the bottom of the notch 1. A metal fitting main body 5 formed up to a position near the opening end, and a nut 3 screwed into the male screw 4.
A wire connection fitting comprising a washer member 6 for pressing the wire rod which is fitted and held in the cut groove 1 in a state where it is only freely movable in the depth direction of the cut groove 1,
A portion 6A of the metal fitting main body 5 that is fitted and held in a movable manner within the cut groove 1 and a portion 6B that prevents the fitted portion 6A from being pulled out in the penetrating direction of the cut groove 1 are formed in a strip shape. A washer member for pressing a wire rod of a wiring fitting having an H-shaped plane, which is formed by removing unnecessary portions of both the portions 6A and 6B cut to a required length in the longitudinal direction of the continuously molded elongated material 6'. . A washer member for pressing a wire rod of a wire connection fitting according to claim 1, wherein the elongated material 6' is drawn. A washer member for pressing a wire rod of a wiring fitting according to claim 1, wherein the washer member 6 is made of brass.