JP2003113902A - Wire clamps - Google Patents

Abstract

(57) [Summary] [Purpose] The structure is simple, the installation work is extremely simple and easy, and it can be inexpensive. Moreover, there is no risk of the wires becoming loose due to vibration. An object of the present invention is to provide an extremely safe wire clamp capable of securely supporting a suspended object. [Structure] Consisting of a headed bolt 2 and a nut 3 screwed thereto. The headed bolt 2 is formed with a wire insertion hole 7 penetrating the head 4 and the leg 5 and a slit 8 penetrating from the wire insertion hole 7 to the outer peripheral surface, and the tip 11 of the leg 5 is tapered. Form. The nut 3 is provided with a restraining portion 13 which receives the tip 11 of the leg 5 and reduces its diameter when the nut 3 is tightened into the leg 5.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a wire clamp for clamping wires.

[0002]

2. Description of the Related Art Conventionally, all screw bolts have been used as a suspending device for suspending lighting fixtures such as fluorescent lamps, electric wire supports, telephone line supports, etc. on the ceiling. It is difficult to match the position that is inserted into the
In some cases, there is a problem that stays such as angles must be added according to the site.

Wire, piano wire, steel wire, wire, rope,
Although this problem can be solved by a technique of suspending a lighting fixture or the like on a ceiling using a cable or the like (hereinafter, referred to as wires), in recent years, a technique of suspending the lighting fixture or the like on the ceiling using the wires or the like. In, for example, special table 2000-
Wire clamps described in JP-A-505535 and JP-A-11-201237 may be used.

The technique of suspending the object to be suspended on the support using wires is not limited to the suspension of the lighting equipment, but the electric wire,
It is also applied to suspend the support of drop lines such as telephone lines.In addition to suspending the suspended object on the support, this wire clamp also adds wires and tensions wires. Also used for.

[0005]

By the way, the conventional wire clamp has a complicated structure, is extremely complicated and difficult to mount, and is expensive, and the wires may loosen due to vibration. There is a problem that objects to be hung such as lighting fixtures hung from the ceiling may fall, which is extremely dangerous.

The present invention has solved these problems of the prior art, has a simple structure, is extremely easy and easy to install, and is inexpensive, and there is no fear of loosening the wire due to vibration. An object of the present invention is to provide an extremely safe wire clamp that can reliably support a suspended object such as a lowered lighting fixture.

[0007]

In order to achieve this object, a first wire clamp according to the present invention (hereinafter referred to as the present first invention) has a head portion and a leg portion having tapered tip portions. A wire insertion hole penetrating the head and the leg along the axis, and a headed bolt having a slit penetrating the outer peripheral surface from the wire insertion hole for a predetermined length from the tip of the leg, A female screw screwed to the headed bolt and a nut having a restraining portion for receiving the tip of the leg, and the tip of the leg is fixed by tightening the nut on the headed bolt. It is characterized in that the wire is inserted into the wire insertion hole by being received by the restraining part and reducing the diameter of the tip of the leg part.

According to the first aspect of the present invention, when the wires are inserted into the wire insertion holes and the nuts are tightened, the restraining portion receives the portion where the diameter of the tip of the leg is gradually larger, and the tip of the leg. Is gradually reduced in diameter. As a result, the diameter of the wire insertion hole is reduced on the tip side of the leg, and by cutting into the wire,
The wires are clamped.

According to the first aspect of the present invention, since the headed bolt and the nut screwed to the headed bolt are used, the number of parts is small, the structure is simple, and the nut is tightened. Since the contact pressure between the taper shaft and the restraining portion is increased, the friction against the loosening of the nut is increased, and the risk of loosening the nut due to vibration is eliminated.

The wire clamp of the present invention will be described in detail below. First, the nut may be a so-called cap nut in which only one end of the screw hole is opened in order to clamp the end of the wire, but in order to clamp the middle part of the wire, a headed nut is used. It is preferable that a wire insertion hole that penetrates the nut is formed coaxially with the wire insertion hole of the bolt.

The headed bolt, like the bolt generally called a headed bolt, has a head portion which is grasped by a tool or a hand for screw operation and a leg portion on which an external thread is formed on the outer peripheral surface. In addition to this common headed bolt configuration,
A wire insertion hole that penetrates the head and the leg along the axis thereof and a slit that penetrates from the tip of the leg to the outer peripheral surface over a predetermined length are provided.

The shape of the head is not particularly limited, but it may be any shape as long as it can restrain the rotation of the bolt from the circumferential direction, like a commercially available headed bolt, for example, a square, a hexagon, a 8 It may be formed in a polygonal head such as a corner, and particularly in a butterfly shape, it is advantageous because the nut can be tightened by hand with a headed bolt without using a tool.

The inner diameter of the wire insertion hole may be designed in consideration of the diameter of the wires to be inserted, and in order to facilitate the insertion / removal of the wires, the gap between the wires and the wires to be inserted can be increased. In order to clamp the wires inserted through the wire in a short time, the gap between the wires inserted through the wire may be reduced. Further, by standardizing the inner diameter of the wire insertion hole, the type may be appropriately limited to reduce the manufacturing cost.

The cross-sectional shape of the wire insertion hole is not particularly limited, but it may be formed in a simple circular shape that can be formed at low cost by drilling, for example.

The material of the wires inserted through the wire insertion hole is not particularly limited, and includes plant fibers such as hemp and cotton, natural fibers such as animal fibers such as animal hair, synthetic resin fibers, metal fibers and the like. It may be used, and its structure may be a single wire such as a wire or a piano wire, a stranded wire such as a rope or a cable, or a chain wire such as a necklace chain. .

The slits formed in the legs may be formed in only one direction from the wire insertion holes to the outer peripheral surface of the legs, but in order to evenly tighten the legs of the bolts to the wires, the wire insertion holes are inserted. It is preferable to radially form from the hole to the outer peripheral surface of the leg portion. For example, when viewed in the axial direction, the wires should be arranged in a single letter shape, a cross shape, a * mark shape, a US mark shape, etc. Is preferred.

The width of the slit may be smaller than the diameter of the wire insertion hole, and the length of the slit is not particularly limited, but the nut is tightened and the wire insertion hole has a predetermined diameter at the tip of the leg. It may be designed so that the legs can be elastically deformed to the extent that the diameter is reduced.

The tips of the legs need only be tapered, taking into consideration the range of diameters of the wires to be clamped and the operation amount (tightening) of the nut required for clamping. The taper angle should be designed.

It is necessary for the restraining portion to be formed in a shape capable of receiving the distal end portion of the leg portion and reducing the diameter of the distal end portion of the leg portion when the nut is tightened, for example, formed at the deep end of the female screw hole. It is sufficient that the stepped surface or the inner peripheral edge of the tapered surface that becomes narrow in the screwing direction of the headed bolt is configured to receive the outer peripheral surface of the tip end portion of the leg portion.

At the inner peripheral edge of the stepped surface or the tapered surface, for example, a hole or a hole such as a wire insertion hole is made continuous, and a leg portion closer to the tip than the position received by the restraining portion is provided. It is necessary to prevent restraint.

By the way, according to the first aspect of the present invention, at least one wire or the like is inserted therethrough to suspend a suspended body such as a lighting fixture on a support body fixed to the back of a building or the like. As a result that the holding device can be configured, for example, one end of the wires is connected to the support or the object to be suspended, and the other end of the wires is clamped by the first invention to receive the suspended object from the lower side. A structure is adopted in which the first invention is stopped from below or the support is received from below.

Here, when the headed bolt is received so as to come into contact with the support or the object to be suspended, an adjusting screw coaxially connected to the head of the headed bolt and screwed to the adjustment screw. When the wire insertion hole is extended so as to penetrate the adjustment screw, the position of the wire for clamping the hanging height of the object to be suspended with the wire clamp is adjusted. Can be adjusted by the adjustment nut, and the support nut or the suspended object can be received with the adjustment nut.
By adjusting the tightening degree of the adjusting nut, the hanging height of the object to be suspended can be finely adjusted.

Further, when the nut is received so as to come into contact with the support or the object to be suspended, an adjusting screw coaxially connected to the nut and an adjusting nut screwed to the adjusting screw are provided. If a wire insertion hole that penetrates the adjustment screw from the screw hole of the nut is provided, the hanging height of the object to be suspended can be adjusted by adjusting the position of the wire clamped by the wire clamp. At the same time, since the support or the object to be suspended is received by the adjustment nut,
By adjusting the tightening degree of the adjusting nut, the hanging height of the object to be suspended can be finely adjusted.

Further, in the first aspect of the present invention, if the headed bolt is a butterfly bolt, it is advantageous because the headed bolt can be held by hand without using a tool to tighten the nut. If the nut is a wing nut, it is advantageous because the nut can be held by hand and tightened without using a tool.

Next, a second wire clamp according to the present invention (hereinafter referred to as the second invention) has a head, a leg, and a head and a leg along an axis in order to achieve the above-mentioned object. A headed bolt having a wire insertion hole penetrating the leg portion and a slit penetrating from the tip of the leg portion to the outer peripheral surface from the wire insertion hole for a predetermined length, and screwed to the headed bolt. A female screw and a nut having a tapered surface for receiving the outer peripheral portion of the distal end of the leg portion. By tightening the nut into a headed bolt, the distal end portion of the leg portion is received by the tapered surface. The distal ends of the legs are reduced in diameter to clamp the wires inserted through the wire insertion holes.

According to the second aspect of the present invention, when the wires are inserted through the wire insertion holes and the nut is tightened into the headed bolt, the diameter of the tip of the leg portion received by the tapered surface of the nut is reduced. The wires inserted through the wire insertion holes are clamped.

In the second aspect of the present invention, like the first aspect of the present invention, the number of parts is small and the structure is simple, and when the nut is tightened, the contact pressure between the taper shaft and the restraining portion is increased. Friction with respect to loosening of the nut increases, and there is no risk of loosening the nut due to vibration.

The second invention will be described in detail below.

In the second aspect of the present invention, the tapered surface may be formed, for example, continuously with the female screw hole, and when the headed bolt is screwed into the nut, the tapered outer peripheral surface of the leg of the headed bolt is received. It suffices if the tip of the leg is formed so as to reduce its diameter, and the taper is taken into consideration in consideration of the diameter range of the wires to be clamped and the operation amount (tightening) of the nut required for clamping. You just have to design the corners.

Whether or not the tip outer peripheral portion of the headed bolt received on this tapered surface is formed as a tapered tapered surface is arbitrary.

In the second aspect of the present invention, as in the case of the first aspect of the present invention, for example, the nut is formed with a wire insertion hole that penetrates the nut coaxially with the wire insertion hole of the headed bolt. Desirably, if a tapered taper surface is formed on the outer peripheral portion of the tip of the leg of the headed bolt, inserting wires into the wire insertion hole and tightening the nut into the headed bolt causes the taper of the nut. The tips of the legs received on the surface are reduced in diameter and the wires inserted into the wire insertion holes are clamped.

Further, in the second aspect of the present invention, as in the case of the first aspect of the present invention, when the headed bolt is received so as to come into contact with a support or a suspended object, the head of the headed bolt is If an adjusting screw and a adjusting nut that are screwed into the adjusting screw are coaxially connected to the portion, and the wire insertion hole is extended so as to pass through the adjusting screw, the suspended object is suspended. The height can be adjusted by adjusting the position of the wire clamped by the wire clamp, and the support or the object to be held is received by the adjustment nut. Therefore, the object to be suspended can be adjusted by adjusting the tightening degree of the adjustment nut. The hanging height can be finely adjusted.

Further, when the nut is received so as to come into contact with the support or the suspended object, an adjusting screw coaxially connected to the nut and an adjusting nut screwed to the adjusting screw are provided. If a wire insertion hole that penetrates the adjustment screw from the screw hole of the nut is provided, the hanging height of the object to be suspended can be adjusted by adjusting the position of the wire clamped by the wire clamp. With
Since the support body or the object to be suspended is received by the adjusting nut, the hanging height of the object to be suspended can be finely adjusted by adjusting the tightening degree of the adjusting nut.

Further, in the second aspect of the present invention, it is advantageous that the headed bolt is a wing bolt because the headed bolt can be held by hand without using a tool to tighten the nut. If the nut is a wing nut, it is advantageous because the nut can be held by hand and tightened without using a tool.

Next, another wire clamp according to the present invention (hereinafter, referred to as the present third invention) has a head, a leg, and the head along an axis in order to achieve the above object. A headed taper bolt having a wire insertion hole penetrating the portion and the leg and a slit penetrating from the tip of the leg to the outer peripheral surface over a predetermined length from the tip of the leg, and screwed to the headed taper bolt. It is characterized by comprising a nut to be fitted.

According to the third aspect of the present invention, when the wires are inserted through the wire insertion holes and the nuts are screwed into the headed taper bolts, the leg tips of the headed taper bolts are reduced in diameter to clamp the wires.

Since the third invention comprises a headed taper bolt and a nut screwed to the headed taper bolt, like the first invention and the second invention, the number of parts is small and the structure is simple. In addition, when the nut is tightened, the contact pressure between the leg portion and the nut is increased, so that the friction against the loosening of the nut is increased and the risk of loosening the nut due to vibration is eliminated.

According to the third aspect of the present invention, the leg portion of the headed taper bolt is a tapered taper screw shaft, and the threaded portion of the nut also serves as a restraining portion.

That is, according to the third aspect of the present invention, an adjusting screw coaxially connected to the head of the headed taper bolt and an adjusting nut screwed to the adjusting screw are provided, and the wire insertion hole has the adjusting screw. When it is extended so as to penetrate, the hanging height of the suspended object can be adjusted by adjusting the position of the wire that is clamped by the wire clamp, and the support or the suspended object is received by the adjustment nut. By adjusting the tightening degree of the adjusting nut, the suspension height of the suspended object can be finely adjusted.

Further, in the third aspect of the invention, the adjusting screw coaxially connected to the nut, the adjusting nut screwed into the adjusting screw, and the wire penetrating the adjusting screw from the screw hole of the nut are provided. If the similar insertion hole is provided, the hanging height of the object to be suspended can be adjusted by adjusting the position of the wire clamped by the wire clamp, and
Since the support body or the object to be suspended is received by the adjusting nut, the hanging height of the object to be suspended can be finely adjusted by adjusting the tightening degree of the adjusting nut.

Further, in the second aspect of the present invention, it is advantageous if the headed taper bolt is composed of a taper butterfly bolt, because the headed taper bolt can be held by hand without using a tool to tighten the nut. If the nut is a wing nut, it is useful because the nut can be held by hand without using a tool to tighten the bolt.

A form in which the object to be hung is hung on a support by a hung device composed of the first invention, the second invention, or the third invention and at least one wire inserted therethrough. As the upper end of the wires is connected to a support, the wires are inserted into the object to be suspended, and the wire clamp for clamping the wires under the object to be suspended receives the object to be suspended (hereinafter , A first form)), a form in which a wire clamp that clamps the upper ends of the wires is received from below by a support body through which the wires are inserted, and a suspended object is connected to the lower ends of the wires ( Hereinafter, referred to as a second form.), The lower end of the wires whose upper end is connected to the support and the upper end of the wire whose lower end is connected to the object to be suspended are clamped by a common wire clamp. Form (hereinafter referred to as the third form ), And the like.

In the first embodiment, the upper end of one wire is connected to the support, the lower end of the wire is inserted into the object to be suspended, and the wire is below the object to be suspended. Single wire support mode in which the object to be held is received by the wire clamp for clamping wires, the upper ends of a plurality of wires are dispersed and connected to separate or common supports, and their lower ends are common. A multi-track support mode in which the suspended object is received by a plurality of wire clamps that are dispersedly inserted into the suspended object and individually clamp the lower end of each wire under the suspended object, a plurality of wires The upper ends of the wires are dispersed and connected to separate or common supports, and the lower ends of the wires are centrally inserted into a common object to be suspended, and the lower ends of the wires are below the object to be suspended. Suspended to a common wire clamp that clamps the part In the centralized double-suspension mode, the upper ends of a plurality of wires are centrally connected to one point of a common support, and the lower ends thereof are dispersed in separate or common suspended objects. It includes a distributed overlapping suspension mode in which the suspended object is received by a plurality of wire clamps that are inserted and clamp the lower ends of the wires individually below the suspended object.

In the second embodiment, the upper end of one wire is clamped by the wire clamp, the upper end of this wire is inserted into the support, and the wire clamp is received from the lower side by the support. A single wire suspension mode in which a suspended object is connected to the lower end of the wires, a plurality of wires are individually clamped by a plurality of wires clamps, and the wires are dispersed and inserted into the support portion. Each wire clamp is distributed by and is received by the support part from the lower side, and the lower end of each wire is dispersed and connected to a common object to be suspended. The individual wires are clamped individually, and the wires are distributed and inserted into the support part, so that the wire clamps are distributed and received by the support part from below, and the lower end part of each wire is shared. Concentrate on one object to be hung Centralized duplicate suspending lifting mode for connecting Te,
The upper ends of a plurality of wires are clamped by a common wire clamp, the upper ends of the plurality of wires are inserted into a support body, and the wire clamps are received by the support body from the lower side. A distributed overlapping suspending form in which the lower end portion of the above is dispersed and connected to a common object to be suspended is included.

The third mode is a single wire relay mode in which there is one wire connected to the support and one wire connected to the object to be suspended, and a plurality of wires connected to the support. Wires connected to the object to be suspended are in a centralized relay form, and wires connected to the support body are one, and distributed wires in which a plurality of wires are connected to the suspended object are supported. A bundled relay mode in which a plurality of wires are connected to the body and a plurality of wires are connected to the object to be suspended is included.

By the way, in the first suspension mode,
The head or nut of the headed bolt of the wire clamp receives the object to be suspended from below, and the head of the headed bolt that receives the object to be suspended is coaxially connected to the head and the adjustment screw. An adjustment nut to be screwed is provided, and if the wire insertion hole is extended so as to pass through the adjustment screw, the position for receiving the object to be suspended can be easily adjusted by adjusting the position of the adjustment nut. The height of the suspended object can be adjusted by adjusting the position of the adjusting nut to a high value, for example, when the wires extend after installation and the position for receiving the suspended object is lowered.

When the object to be suspended is received by the nut, an adjusting screw coaxially connected to the nut, an adjusting nut screwed to the adjusting screw, and the adjusting screw penetrated through the screw hole of the nut. If the wire insertion hole is provided, the same operation or effect can be obtained.

The first invention, the second invention, or the third invention
Regarding the tensioning device using the wire clamp of the invention,
As the form of the wires clamped by the wire clamp, various forms can be considered as in the case of the third suspending form of the suspending device.

[0049]

As described above, the first aspect of the present invention is the head,
A leg having a tapered tip, a wire insertion hole penetrating the head and the leg along the axis, and an outer peripheral surface from the wire insertion hole for a predetermined length from the tip of the leg. A headed bolt having a slit penetrating therethrough, and a nut having a female screw to be screwed into the headed bolt and a restraining portion for receiving the tip of the leg portion, and tightening the nut to the headed bolt. By inserting the tip end of the leg portion into the restraining portion to reduce the diameter, thereby clamping the wires inserted in the wire insertion hole,
The following actions can be obtained.

First, since it is composed of two parts, a headed bolt and a nut, the number of parts is extremely small, the construction is simple, the workability is extremely good, and the cost can be reduced.

Further, when the nut is tightened, the contact pressure between the taper shaft and the restraining part is increased, so that the friction against the loosening of the nut becomes large, and there is no fear that the nut will loosen due to vibration, so that the object to be lifted may be dropped. The effect of preventing an accident is obtained.

Next, in the second aspect of the present invention, the head portion, the leg portion, the wire insertion hole penetrating the head portion and the leg portion along the axis, and the tip portion of the leg portion for a predetermined length. The nut comprises a headed bolt having a slit penetrating from the wire insertion hole to the outer peripheral surface, a female screw threaded to the headed bolt, and a nut having a tapered surface for receiving the tips of the legs. By tightening with a headed bolt, the tip end of the leg portion is received by the tapered surface to reduce the diameter, and thereby the wires inserted in the wire insertion hole are clamped, so that the following action is obtained. be able to.

First, since it is composed of two parts, a headed bolt and a nut, the number of parts is extremely small, the construction is simple, the workability is extremely good, and the cost can be reduced.

Further, when the nut is tightened, the contact pressure between the tapered surface and the tip of the leg of the headed bolt is increased, so that the friction against the loosening of the nut is increased, and there is no fear that the nut will loosen due to vibration. This has the effect of preventing accidents such as falling of suspended objects before they happen.

Next, in the third aspect of the present invention, the head portion, the leg portion, the wire insertion hole penetrating the head portion and the leg portion along the axial center, and the tip portion of the leg portion over a predetermined length are provided. It is characterized by a headed taper bolt having a slit penetrating from the wire insertion hole to the outer peripheral surface and a taper nut screwed to the headed taper bolt, so that the following actions are obtained.

First, since it is composed of two parts, a headed taper bolt and a taper nut, the number of parts is extremely small,
The structure is simple, the workability is extremely good, and the cost can be reduced.

Further, when the nut is tightened, the contact pressure between the tapered male screw of the headed bolt and the tapered female screw of the taper nut is increased, so that the friction against the loosening of the nut becomes large and there is no risk of the nut loosening due to vibration. Therefore, it is possible to obtain an effect of preventing an accident such as a hanging object from falling.

[0058]

BEST MODE FOR CARRYING OUT THE INVENTION A wire clamp according to an embodiment of the present invention will be specifically described below with reference to the drawings, but the present invention is not limited to this.

As shown in the sectional view of FIG. 1, a wire clamp 1 according to an embodiment of the present invention comprises a headed bolt 2 and a nut 3. The headed bolt 2 has, for example, a commercially available hexagonal head. A hexagonal head 4, a leg portion 5, an adjusting screw 6 provided as needed, a wire insertion hole 7 penetrating the head portion 4, the leg portion 5 and the adjusting screw 6 by processing a stud. It has a slit 8 penetrating the outer peripheral surface of the leg 5 from the wire insertion hole 7 over a predetermined length from the tip of the leg 5.

An adjusting nut 9 is screwed into the adjusting screw 6, a male screw 10 is formed on the outer peripheral surface of the leg 5, and a tip 11 of the male screw 10 is formed into a tapered shaft.

The nut 3 has the male screw 10 of the leg portion 5.
Has a female screw 12 to be screwed into the leg portion 5 and a restraining portion 13 that receives the tip portion 11 of the leg portion 5, and the leg portion 5 of the headed bolt 2
When it is screwed in, the restraining portion 13 tightens the tip portion 11 of the leg portion 5, reduces the diameter of the wire insertion hole 7, and clamps the wire 14 inserted in the wire insertion hole 7.

The slits 8 are arranged radially around the wire insertion hole 7 as viewed in the axial direction so that the wires 14 can be uniformly clamped. In this embodiment, the slits 8 are viewed in the axial direction. A slit 8 is formed in a cross shape centering on the wire insertion hole 7.

The restraining portion 13 is composed of the inner peripheral edge of the tapered surface 15 formed by preparing the internal hole of the female screw 12.
A wire insertion hole 16 is formed so as to penetrate the end surface on the side opposite to the screw hole from the inner peripheral edge.

That is, the outer peripheral surface of the tip portion 11 of the leg portion 5 is received by the inner peripheral edge of the tapered surface 15, and is more than the portion received by the restraining portion 13 formed of the inner peripheral edge of the tapered surface 15. The part of the leg portion 5 on the tip end side projects into the wire insertion hole 16 and the wires 14 protruding from the wire insertion hole 7 of the headed bolt 2 to the tip end side of the leg portion 5 are the wire insertion hole 16 of the nut 3. It projects through the nut 3 to the outside.

Since the wire clamp 1 has two essential parts as the number of parts, that is, the headed bolt 2 and the nut 3, one adjustment nut 9 is added if necessary. In addition, the number of parts is extremely small, the configuration is simple, the workability is good, and the cost can be reduced. In particular, the wire insertion hole 7, the slit 8 and the tip portion 11 are commercially available on the headed stud. If the taper is processed, the cost can be further reduced.

Further, by screwing the nut 3 into the headed bolt 2, the contact pressure between the tip portion 11 of the leg portion 5 and the restraining portion 13 is increased, and the friction for loosening the nut 3 is increased, so that the vibration is transmitted. However, the nut 3 does not loosen, and accidents such as dropping of the object to be suspended can be reliably prevented.

FIG. 2 is a sectional view of a wire clamp according to another embodiment of the present invention. In this wire clamp 1, the adjusting screw 6 is connected to the nut 3 instead of being provided on the headed bolt 2. Except for the fact that it is provided, the configuration is similar to that shown in FIG. 1 and the same operation or effect can be obtained, so it will be omitted to avoid redundant description.

FIG. 3 is a sectional view of a wire clamp according to another embodiment of the present invention.
The headed bolt 2 is the same as that shown in FIG. 1 except that the tip 11 of the leg 5 is formed as a parallel screw shaft. By tightening the nut 3 on the headed bolt 2, The tip end 11 of the leg portion 5 is tightened by receiving the outer peripheral portion of the tip of the portion 5 on the tapered surface 15 as the restraining portion, and the wires 14
Is clamped at the tip 11 of the leg 5.

The other structure is similar to that shown in FIG. 1, and the same operation or effect can be obtained.

In this embodiment, the adjusting screw 6 may be connected to the nut 3 as shown in FIG. 2, or the adjusting screw 6 and the adjusting nut 9 may be omitted, although not shown. is there.

That is, in FIG. 1 to FIG. 3, in FIG. 1, the adjusting screw 6 is connected to the headed bolt 2, and the adjusting nut 9 is connected to this.
2 is the one in which the adjusting screw 6 is connected to the nut 3 and the adjusting nut 9 is screwed into this, and the bolts and nuts in FIGS. 1 and 2 are parallel screws. However, FIG. 3 differs in that it is a taper screw.

Further, the wire clamp shown in FIG. 4 is according to still another embodiment of the present invention. This wire clamp 1 includes a headed bolt 2 which is a headed taper bolt.
And the same as that shown in FIG. 1 except that the nut 3 is a taper nut. The leg portion 5 of the headed taper bolt 2 has a taper male screw formed at least at the tip portion 11, and the taper nut 3 is formed on the taper male screw.
By screwing in, the tip end portion 11 of the leg portion 5 is reduced in diameter,
The wires 14 inserted into the wire insertion holes 7 are clamped.

The other structure of the wire clamp is similar to that shown in FIG. 1, and the same operation or effect can be obtained. Further, the adjusting screw 6 may be connected to the nut 3, or the adjusting screw 6 and the adjusting nut 9 may be omitted.

FIG. 5 is a block diagram of a suspending device using a wire clamp according to one embodiment of the present invention. This suspending device is a wire clamp 1 shown in FIG. 1 and a wire clamp 1 inserted therein. It is composed of wires 14 of a book.

The upper ends of the wires 14 are folded back in a round shape, and the distal end of the wires 14 is restrained by a metal fitting 17 to form an areola 18, and a support 19 is inserted through the areola 18.
Supported.

The wires 14 are inserted into the object 20 to be suspended, and the wire clamp 1 for clamping the wires 14 below the object 20 to be suspended receives the object 20 to be suspended from below.

The height of the wire clamp 1 can be accurately adjusted by adjusting the position of the wires 14 clamped by the wire clamp 1.
In addition, the hanging height of the suspended object 20 with respect to the wire clamps 1 is set to the wire clamp 1 that receives the suspended object 20.
The position can be adjusted easily and accurately by adjusting the position of the adjusting nut 9.

FIG. 6 is a perspective view of a hanging device for, for example, a straight tube type fluorescent lamp to which another embodiment of the present invention is applied, and a pair of supports 19 made up of heatons dispersedly screwed into the ceiling.
Connect the upper ends of the two wires 14 to each wire 1
The wire clamp 1 is configured to disperse the lower ends of the wires 4 into the ceiling plate of the object 20 to be suspended, which is a straight tube fluorescent lamp, and clamp the lower ends of the wires 14 from the lower side of the ceiling plate. I try to accept it. Any of the wire clamps 1 shown in FIGS. 1 to 4 may be used.

[0079]

As described above, according to the first aspect of the present invention, a headed bolt in which the wire insertion hole and the slit are formed and the tip of the leg portion is tapered, and the leg portion is screwed. It consists of a nut that reduces the diameter of the tip of the leg of the headed bolt by tightening and tightening, so the number of parts is extremely small, the configuration is extremely simple, and the installation work is extremely simple and easy. It is inexpensive, and by tightening the nut, the contact pressure between the tip of the leg of the headed bolt and the restraining part of the nut that receives it can be increased.
The friction against the loosening of the nut from the headed bolt is extremely large, and the nut is prevented from loosening due to vibrations, etc. As a result, it is possible to prevent falling of objects to be suspended, which is extremely safe. .

Further, according to the second aspect of the present invention, a headed bolt having wire insertion holes and slits formed therein, and a headed bolt screwed into the headed bolt to receive the outer peripheral portion of the tip of the leg of the headed bolt. Since it is composed of a nut provided with a restraining part consisting of a tapered surface to stop, the number of parts is extremely small, the configuration is extremely simple, and the mounting work is extremely simple and easy.
It is extremely inexpensive, and by tightening the nut, the contact pressure between the outer circumference of the tip end of the headed bolt and the tapered surface is increased, so there is extremely large friction when the nut is loosened from the headed bolt. As a result, the nut is prevented from loosening due to vibrations, etc. As a result, it is possible to prevent the object to be suspended from falling, which is extremely safe.

Next, in the third aspect of the present invention, since the headed taper bolt having the wire insertion hole and the slit formed therein and the nut screwed with the headed taper bolt are used, the number of parts is extremely small and the structure is It is extremely simple, the installation work is extremely easy and easy, it is extremely inexpensive, and by tightening the nut, the contact pressure between the leg part of the headed taper bolt and the nut can be increased, so The friction against the loosening of the nut is extremely large, and the loosening of the nut due to vibration or the like is prevented. As a result, it is possible to prevent the object to be suspended from falling and to achieve an extremely safe effect.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a sectional view showing another embodiment of the present invention.

FIG. 3 is a sectional view showing still another embodiment of the present invention.

FIG. 4 is a cross-sectional view showing still another embodiment of the present invention.

FIG. 5 is a configuration diagram of a suspension device using a wire clamp according to an embodiment of the present invention.

FIG. 6 is a configuration diagram of a suspension device using a wire clamp according to an embodiment of the present invention.

[Explanation of symbols]

1 wire clamp 2 headed bolt 3 nuts 4 head 5 legs 6 adjustment screws 7 Wire insertion hole 8 slits 9 Adjustment nut 11 Tip 13 Control Department 14 wires 15 Tapered surface 16 wire insertion hole

Claims (19)

[Claims] 1. A head, a leg having a tapered tip, a wire insertion hole penetrating the head and the leg along an axis, and a predetermined length from the tip of the leg. A headed bolt having a slit penetrating the outer peripheral surface from the wire insertion hole, and a nut having a female screw threaded to the headed bolt and a restraining portion for receiving the tip end portion of the leg portion, Retaining the tip portion of the leg portion to the restraining portion by tightening the nut on the headed bolt, and reducing the diameter of the tip portion of the leg portion to clamp the wires inserted in the wire insertion hole. A wire clamp characterized by. 2. The wire clamp according to claim 1, wherein the nut has a wire insertion hole that is coaxial with the wire insertion hole of the headed bolt. 3. The restraining portion comprises an inner peripheral edge of a stepped surface formed at the innermost end of the female screw hole or a tapered surface narrowing in the screwing direction of the headed bolt, and receives the outer peripheral surface of the tip portion of the leg portion. The wire clamp according to claim 1 or 2, which is stopped. 4. An adjusting screw coaxially connected to the head of the headed bolt and an adjusting nut screwed to the adjusting screw are provided.
The wire clamp according to any one of claims 1 to 3, wherein the wire insertion hole is extended so as to penetrate the adjustment screw. 5. An adjustment screw coaxially connected to the nut, an adjustment nut screwed into the adjustment screw, and a wire insertion hole penetrating the adjustment screw from a screw hole of the nut are provided. The wire clamp according to any one of claims 1 to 3, wherein. 6. The headed bolt comprises a butterfly bolt.
The wire clamp according to any one of 1 to 5. 7. The wire clamp according to claim 1, wherein the nut is a wing nut. 8. A head, a leg, a wire insertion hole penetrating the head and the leg along an axis, and an outer periphery from the wire insertion hole for a predetermined length from the tip of the leg. A headed bolt having a slit penetrating the surface, a female screw threaded to the headed bolt, and a nut having a tapered surface for receiving the tip outer peripheral portion of the leg portion. The tip of the leg is received by the tapered surface by tightening the end of the leg, and the tip of the leg is reduced in diameter to clamp the wires inserted through the wire insertion hole. Kind clamp. 9. The wire clamp according to claim 8, wherein the nut has a wire insertion hole that penetrates the nut coaxially with the wire insertion hole of the headed bolt. 10. The wire clamp according to claim 8, wherein the tapered outer peripheral surface of the leg of the headed bolt has a tapered surface. 11. An adjusting screw coaxially connected to the head of the headed bolt and an adjusting nut screwed with the adjusting screw are provided, and a wire insertion hole is extended so as to pass through the adjusting screw. The wire clamp according to any one of claims 8 to 10. 12. An adjusting screw coaxially connected to the nut, an adjusting nut screwed into the adjusting screw, and a wire insertion hole penetrating the adjusting screw from a screw hole of the nut are provided. The wire clamp according to any one of claims 8 to 10. 13. The wire clamp according to claim 8, wherein the headed bolt is a butterfly bolt. 14. The wire clamp according to claim 8, wherein the nut is a wing nut. 15. A head, a leg, a wire insertion hole penetrating the head and the leg along an axis, and a wire insertion hole extending from the tip of the leg for a predetermined length. A wire clamp comprising a headed taper bolt having a slit penetrating the outer peripheral surface and a nut screwed to the headed taper bolt. 16. The head of a headed taper bolt is provided with an adjusting screw coaxially connected to the head and an adjusting nut screwed to the adjusting screw, and a wire insertion hole is extended so as to pass through the adjusting screw. The wire clamp according to claim 15, wherein the wire clamp is provided. 17. An adjustment screw coaxially connected to the nut, an adjustment nut screwed into the adjustment screw, and a wire insertion hole penetrating the adjustment screw from a screw hole of the nut are provided. The wire clamp according to claim 15. 18. The wire clamp according to claim 15, wherein the headed taper bolt is a tapered butterfly bolt. 19. The nut comprises a wing nut.
19. The wire clamp according to any one of 1 to 18.