JPH0514673Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention is used to connect telephone lines between poles when it is difficult to run outdoor telephone lines directly from utility poles to houses due to obstacles such as structures. This invention relates to telephone line lead-in hardware used to branch telephone lines and its fittings.

[Problems to be Solved by Prior Art and Ideas] FIG. 12 is a perspective view showing a state in which a retaining device is attached using a conventional retracting hardware. FIG. 13 is a side view of a conventional retractable hardware. As shown in FIG. 13, the conventional lead-in hardware 1 is constructed by sandwiching the cable suspension line 2 as a suspension line between plates 9 and 10.
installed on. The clamping between the plates 9 and 10 is achieved by tightening the nut 12 of the bolt portion 11 passed between the two plates.

Referring to FIG. 12, the lead-in hardware 1 attached to the cable suspension line 2 in this manner is provided with a hook 3, and a retaining tool 4 is attached to the hook 3.
The ring part 5 of the retainer 4 and the ring 7 of the retainer 6 are hung to attach the retainers 4 and 6 to the retracting hardware. Telephone line 8 is wound around these retainers 4 and 6 and passed through. A drop-in line 8a on the house side of the telephone line 8 is attached to the house side, and a drop-in line 8b is attached to the branch box.

The lead-in hardware 1 is attached to a suspension line such as a cable suspension line or an SS cable. The suspension line is
Since it is constructed at a high location, workers generally set up a ladder, climb up the ladder, and attach the mounting hardware. However, with this mounting method, the ladder is often unstable and work is dangerous.

In order to solve this problem, mounting tools and the like have been developed that allow the nuts of the lead-in hardware to be tightened from the ground without using a ladder or the like. However, such conventional fixtures have a very complex structure and are difficult to handle.

The purpose of this invention is to provide a telephone line lead-in hardware having a simple mounting structure capable of solving the conventional problems, and a mounting tool for attaching the telephone line lead-in hardware to an overhead line.

[Means for Solving the Problems] The telephone line lead-in hardware of this invention includes a hardware main body, an engaging portion, a retainer attachment portion, and a biasing member. The engaging member is engaged with the hardware body and attached to the suspension line. The retainer attachment portion is formed on the hardware body and is for attaching the retainer. The biasing member is attached to the hardware body, and biases and locks the hanging wire against the engaging portion. The biasing member includes a lever portion, a coiled portion, and a pressing portion. A lever portion extends from the coiled portion away from the hardware body in one direction. The coiled portion is wound around the outer circumference of a rod fixed to the hardware body. The pressing portion extends away from the hardware body in the other direction. The biasing member is adapted to pivot about the rod. Due to the rotation, the pressing portion is biased by the coiled portion, making it possible to press the hanging wire against the engaging portion.

Furthermore, the biasing member is configured to prevent the suspension wire from separating from between the biasing member and the engagement portion before the biasing member clamps and locks the suspension wire between the biasing member and the engagement portion. It is preferable to provide a temporary fixing part that is engaged with the hardware body in order to temporarily fix and hold the hanging wire between the engaging part and the biasing member.

In addition, if the retainer has a ring part for attachment, the retainer attachment part should be a hole with a size that allows the ring part of the retainer to be inserted, and one end should be attached to the lower part around the hole. It is also possible to use a hook that is attached to the hole and has the other end extending to the inside of the hole.

The telephone line lead-in hardware fixture of this invention has an engaging part that is hung over the hanging wire installed between the pillars, and an urging force that urges and locks the hanging wire so as to press it against the engaging part. This is a mounting device for attaching a telephone line lead-in hardware to a suspended line, which is equipped with a member and a hold-down fixture for attaching a hold-down fixture for branching telephone lines between pillars, and the telephone line lead-in hardware is attached by magnetic force. A lead-in hardware fixing part that fixes the telephone line lead-in hardware to the suspension line position, a bar receiving part that receives the tip of the bar used to lift the telephone line lead-in hardware to the suspension line position, and a bar receiving part that is connected to the bar receiving part and holds the bar. A threaded part that is provided to rotate by rotation around an axis, and a threaded part that is screwed together with the threaded part and moves in different directions depending on the direction of rotation of the threaded part, and by movement in one of these directions. It includes a moving frame that presses the biasing member toward the engaging portion and locks the hanging wire.

[Function] In the lead-in hardware according to the first aspect, the hanging wire is clamped and locked by the biasing member and the engaging portion. This suspension wire is locked by the biasing member pressing the suspension wire against the engagement portion. At this time, the biasing force is applied by the coiled portion that constitutes the biasing member. The biasing member is attached to the hardware body by winding the coiled portion around the outer periphery of a rod fixed to the hardware body. Moreover, the biasing member includes a portion that presses the hanging wire against the engagement portion. In this way, as a member for locking the suspension wire, the coiled portion that applies a biasing force and the portion that presses the suspension wire against the engagement portion are integrated. Therefore, the lead-in hardware can be attached to the hanging wire with a simpler structure than the conventional lead-in hardware, and the force with which the biasing member and the engaging portion grip the hanging wire is increased.

The lead-in hardware according to claim 2 further includes a temporary fixing part for temporarily fixing the biasing member, and prevents the hanging wire from separating from between the biasing member and the engagement member. Therefore, it can be easily installed.

The retracting hardware according to claim 3 includes a hole having a size that allows the ring of the retainer to be inserted into the retainer fitting;
The hook is formed so that its lower end extends into the hole, and has a simple structure and a reliable mounting structure that is difficult to detach.

The telephone line lead-in hardware fixture of the invention according to claim 4 includes:
This is a fitting for attaching a lead-in hardware to a hanging wire, which has a simpler structure than the conventional one, and is attached by a simpler mechanism than the conventional one. In other words, the telephone line lead-in hardware is fixed by a lead-in hardware fixing part that is made of a magnetic material and can be attached to the telephone line lead-in hardware using magnetic force, and the telephone line lead-in hardware is held at the position of the hanging wire. Insert the tip of the bar to be lifted into the bar receiver and rotate the bar about its longitudinal axis to rotate the threaded part connected to the bar receiver, allowing the threaded part to By moving the screwed moving frame,
By pressing the biasing member of the telephone line lead-in hardware against the engaging part side and clamping and locking the hanging wire between the biasing member and the engaging member, the telephone line lead-in hardware is pressed against the hanging wire. Attach to.

[Embodiment] FIG. 1 is a perspective view showing a retractable hardware according to an embodiment of the invention according to claims 1 to 3. FIG. 2 is a side view of the retractable hardware shown in FIG. 1, and FIG. 3 is a front view. FIG. 4 is a sectional view taken along the - line in FIG. 3.

Referring to FIGS. 1, 2, and 3, an engaging portion 21 having a tip bent inward is provided at the upper end of the retracting hardware 20. As shown in FIG. A midway portion of the engaging portion 21 is formed to have a slightly narrower width, and a temporary fixing portion 26 is formed therein.

A side part 31 and a side part 35 are provided on both sides of the front part 30, and a rod 33 is passed through the upper part of the side part 31 and the side part 35, as shown in FIG. and 32b
Thus, both ends are fixed to the side surface portion 31 and the side surface portion 35, respectively. A biasing member 22 made of an elastic material is rotatably attached to the rod 33. The biasing member 22 has a substantially U-shape in plan view, and the intermediate portions of both ends are coiled, and a rod 33 is passed through this coiled portion. Both ends of the biasing member 22 are
They are passed through the holes 28 and 29 of the front part 33, respectively, and the tips of each are bent upward.
The tip portion of the biasing member 22 can be pushed up by pressing down the lever 22a corresponding to the central portion.

A hole 24 is formed in the center of the front part 30. The hook 23 has a substantially U-shape, and one end is attached to the lower part around the hole 24, and the other end is formed to extend inside the hole 24.

Referring to FIG. 4, the lever 22 is rotatably supported by a rod 33. A cylindrical member 34 is fitted between the coiled portions of the biasing member 22, and the cylindrical member 34 prevents both ends of the biasing member 22 from coming too close to the inside.

Referring to FIG. 2, lever 22 of biasing member 22
By pushing down a in the direction of arrow A, both ends of the biasing member 22 can be pulled up in the direction of arrow B. When both end portions of the biasing member 22 are pulled up, both end portions of the biasing member 22 are pulled up by the temporary fixing portions 26.
and a temporary fixing portion 27 formed in a portion located between holes 28 and 29 (shown in FIG. 1). This state is shown in FIG. 2 by a dashed line. By providing a temporary fixing part in this way,
Both end portions of the biasing member 22 are restrained from rotating in the direction opposite to the arrow B, and the hanging wire 2 is held between the engaging portion 21 and the biasing member 22. Therefore, the hanging wire 2 is prevented from coming off from between the engaging member 21 and the biasing member 22.

When the lever 22a is further pushed down, the part halfway up to the lever 22a engages the locking protrusion 25a formed on the side surface 31 and the locking protrusion 25b formed on the side surface 35 (shown in FIG. 4). Each is locked, and rotation of the lever 22a in the direction opposite to arrow A is suppressed. This state is the fully fixed state, and is illustrated by the two-dot chain line in FIG. In this state, the suspension wire 2 is connected to the engaging portion 21 and the biasing member 2.
It is caught by 2. The biasing member 22 is made of an elastic member and has two coiled parts inserted into the rod 33, so that it acts as a spring to bias the suspension line 2 strongly against the engaging part 21. Then, the suspension line 2 is locked.

FIG. 5 is a plan view showing an example of the retaining device;
FIG. 6 is also a side view. Figures 5 and 6
As shown in the figure, one end of a generally used retainer 4 is provided with a ring portion 5 for attaching the retainer.

FIG. 7 is a rear view for explaining a method of attaching the retaining device shown in FIGS. 5 and 6 to the retracting hardware shown in FIG. 1. FIG. Further, FIG. 8 is a sectional view taken along the - line in FIG. 7. Figures 7 and 8
As shown in the figure, in order to attach the retainer to the retracting hardware of this embodiment, first insert the ring part 5 of the retainer into the hole 24 formed in the front part 30, and then insert the ring part 5 into the hole 24 formed in the front part 30. Rotate to pass the end of the hook 23 into this ring part 5. In this way, once the hook 23 is passed through the ring portion 5, the hook 23
The upper end portion of the hole 24 is formed to extend to the inside of the hole 24, so that it cannot be easily removed.

The retainer attachment part of the retracting hardware of this invention is not limited to the retainer attachment part composed of a hole and a hook as described above, but it may be constructed of a hole and a hook as described above. For example, it is possible to prevent it from coming off with a simple structure.

FIG. 9 is a perspective view showing an embodiment of the invention according to claim 4, which is a fixture for attaching the lead-in hardware shown in FIG. 1 to a hanging wire. Referring to FIG. 9, a retractable hardware fixing part 41 that fixes the front part of the retractable hardware is attached to an upwardly bent end on one side of the upper frame 42 by a fixing screw 50. . The retractable hardware fixing part 41 is configured such that the retractable hardware can be attached at a predetermined angle.
It is inclined at a predetermined angle. The retractable hardware fixing portion 41 is made of a magnetic material and is configured to attach the retractable hardware using magnetic force.

A side frame 43 extends downward from one side of the upper frame 42, and a side frame 44 extends downward from the other side. A slide groove 43 is provided in the center of the side frame 43 in the vertical direction.
a is formed. A slide groove 44a is also formed in the center of the side frame 44 in the vertical direction. A bottom frame 45 is attached to the bottom of the side frames 43 and 44 with four fixing screws 48.

A hole through which a threaded portion 47 passes is formed in the center of the bottom frame 45, and an upper portion of the threaded portion 47 is rotatably attached to the upper frame 42.
A cylindrical bar receiving portion 49 is provided at the lower end of the threaded portion 47 . The upper end of a bar for lifting the fixture 40 upward to the position of the hanging wire is inserted into the bar receiving portion 49 . The bar receiving part 49 has
A fixing groove 49a for fixing the bar is formed.

The threaded part 47 between the upper frame 42 and the bottom frame 45 has a lower part 46a of the moving frame 46.
are screwed together. That is, a female thread that fits into the male thread of the threaded portion 47 is formed in the lower part of the moving frame 46a. Therefore, as the threaded portion 47 rotates, the lower portion of the moving frame 46a moves up and down along the slide grooves 43a and 44a. The upper end of the movable frame 46 is bent at a substantially right angle toward the retractable hardware fixing part 41 to form a movable frame tip 46b.
This movable frame distal end portion 46b also moves up and down due to the rotation of the threaded portion 47 as the movable frame lower portion 46a moves up and down.

FIG. 10 is a side view showing a state in which the retracting hardware shown in FIG. 1 is attached to the fixture shown in FIG. 9. Referring to FIG. 10, in order to attach the retracting hardware 20 to the fixture 40, first rotate the bar receiving part 49 in the direction opposite to the direction of arrow A, and then
6a upward and move the moving frame tip 46.
Set b to the upper limit position. Next, hardware for retraction 20
It is attached to the retractable hardware fixing part 41 by magnetic force so that the front part thereof is in contact with the upper surface of the retractable hardware fixing part 41. Since the upper surface of the retracting hardware fixing portion 41 is inclined at a predetermined angle, the retracting hardware 20 is fixed at a predetermined angle. When fixing the retracting hardware, the tip of the biasing member 22 is positioned downward and the lever 22a is positioned upward.
Although not shown in Fig. 10, the hook 2
Attach a retainer to 3, and wrap a telephone wire for lead-in around this retainer and thread it through.

The tip of the bar is attached to the bar receiving part 49, and the bar is raised upwards and pulled into the retracting hardware 2.
The engaging portion 21 of No. 0 is hung on the suspension wire 2. In this state, the bar is rotated, the bar receiving portion 49 is rotated in the direction of arrow A, and the threaded portion 47 is rotated in the same direction. This rotation causes the moving frame lower part 46 to
a moves downward, and the movable frame 46 and the movable frame tip 46b move downward. A lever 22a of the biasing member 22 is located below the moving frame tip 46b, and the lever 22a of the biasing member 22 is located below the moving frame tip 46b.
As the lever 6b moves downward, the lever 22a is pushed down.

Due to the downward movement of the movable frame tip 46b, the lever 22a is first pushed downward,
The state is temporarily fixed as shown by the one-dot chain line in FIG.
In this state, the suspension wire 2 is connected to the engaging portion 21 and the biasing member 2.
2, and the hanging wire 2 is prevented from coming off.

When the bar is further rotated in the direction of arrow A and the threaded portion 47 is rotated, the movable frame lower part 46a moves downward and the movable frame tip 46
b further moves downward, and a portion of the biasing member 22 halfway up to the lever 22a rides over the locking projection 25a, and the locking projection 25a restricts return in the opposite direction. The two-dot chain line in FIG. 10 indicates this state. In this state, the suspension line 2 is
The engaging part 21 and the biasing member 22 sandwich the lead-in hardware 20 to the hanging wire 2 reliably. The biasing member 22 biases the hanging wire 2 so as to press it against the engaging portion 21, and this attached state becomes extremely strong and reliable.

Next, the bar is rotated in the direction opposite to the arrow A, and the movable frame tip 46b is raised. After the movable frame tip 46b is raised to some extent, the fixture 40 is pulled downward to remove the retractable hardware 20 from the retractable hardware fixing portion 41. Retractable hardware fixing part 4
1 and the retracting hardware 20 are only attached by magnetic force, so they can be easily removed.

FIG. 11 is a perspective view showing a state in which the lead-in hardware with the retainer attached is attached to the hanging wire. Attachments 4 and 6 are attached to the hook 23 of the lead-in hardware 20 attached to the hanging wire 2 via ring portions 5 and 7, and these attachments 4 and 6 are connected to branched telephone lines. 8 is wrapped around it and passed through.

[Effects of the invention] As explained above with reference to the embodiments, in the telephone line lead-in hardware of the invention of claim 1, the hanging wire is pressed against the engaging portion hung on the hanging wire by the biasing member. Since the locking mechanism is biased and locked in this way, the structure is simple, and it can be installed without the need for complicated methods such as tightening the nuts of the bolt parts as in the past. In addition, since the coiled part that applies the biasing force and the pressing part that presses the hanging wire are integrated, the telephone wire lead-in hardware of the present invention
Compared to conventional retracting hardware, the force of the biasing member and the engaging portion to grip the hanging wire is stronger, so the hanging wire can be firmly gripped.

The telephone line lead-in hardware fixture of the invention according to claim 4 includes:
It has a simple mounting structure in which the tip of the bar is attached to the bar receiver and the bar is rotated around its axis to move the moving frame and attach the lead-in hardware to the suspension line. Installation work can be performed more easily than before.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a retractable hardware according to an embodiment of the invention according to claims 1 to 3. FIG. 2 is a side view of the retractable hardware shown in FIG. 1. FIG. 3 is a front view of the retractable hardware shown in FIG. 1. FIG. 4 is a sectional view taken along the - line in FIG. 3. Fifth
The figure is a plan view showing an example of the retainer. FIG. 6 is a side view of the retainer shown in FIG. 5. Figure 7 shows the parts shown in Figures 5 and 6 in addition to the lead-in hardware shown in Figure 1.
FIG. 7 is a rear view for explaining a method of attaching the retaining device shown in the figure. FIG. 8 is a sectional view taken along the - line in FIG. 7. FIG. 9 is a perspective view showing an embodiment of the fixture according to the fourth aspect of the present invention. FIG. 10 is a side view showing a state in which the retracting hardware shown in FIG. 1 is attached to the fixture shown in FIG. 9. FIG. 11 is a perspective view showing a state in which the lead-in hardware with the retainer attached is attached to the hanging wire. FIG. 12 is a perspective view showing a state in which a retainer is attached using a conventional retracting hardware. FIG. 13 is a side view of a conventional retractable hardware. In the figure, 20 is a retracting hardware, 21 is an engaging part, 22 is a biasing member, 22a is a lever, 23 is a hook, 24 is a hole, 25a and 25b are locking protrusions, 2
6 and 27 are temporary fixing parts, 28 and 29 are holes, 30 is a front part, 31 is a side part, 32a and 32b are fixing pins, 33 is a rod, 34 is a cylindrical member, 35 is a side part, 40 is a fitting, 41 is a retractable hardware fixing part; 4
2 is an upper frame, 43 and 44 are side frames,
43a and 44a are slide grooves, 45 is a bottom frame, 46 is a movable frame, 46a is a lower part of the movable frame, 46b is a distal end of the movable frame, 47 is a threaded portion, 48 is a fixing screw, and 49 is a bar receiving portion.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A telephone line lead-in hardware that is attached to a suspension line installed between pillars and supports a retainer for branching telephone lines between the pillars, which includes: a hardware main body; an engaging part formed on the hardware main body and attached to the suspension line; a fastener attachment part formed on the hardware main body for attaching the fastener; attached to the hardware main body; a biasing member that biases and locks the hanging wire against the engaging portion; the biasing member includes a lever portion, a coiled portion, and a pressing portion; the lever portion includes a lever portion; , the coiled portion extends away from the hardware main body in one direction, the coiled portion is wound around the outer periphery of a rod fixed to the hardware main body, and the pressing portion extends from the hardware main body in one direction; The biasing member extends away from the main body in the other direction, and the biasing member is configured to rotate around the rod, and the rotation causes the pressing portion to be biased by the coiled portion. A telephone line lead-in hardware that can be biased to press the hanging wire against the engaging portion. (2) Before the biasing member clamps and locks the suspension wire with the engaging portion, the biasing member is temporarily fixed so that the lead-in hardware does not separate from the suspension wire. The telephone line lead-in hardware according to claim 1, further comprising a temporary fixing portion formed on the hardware main body to hold the hanging wire between the engaging portion and the biasing member. (3) The retainer has a ring portion for attachment, and the retainer attachment portion has a hole having a size that allows the ring portion of the retainer to be inserted, and one end of which is connected to the hole. 2. The telephone line lead-in hardware according to claim 1, further comprising a hook attached to a lower portion of the periphery and having the other end extending to the inside of the hole. (4) An engaging part that hangs over the hanging wire installed between the pillars, a biasing member that urges and locks the hanging wire against the engaging part, and a telephone line that hangs between the pillars. A fitting for attaching a telephone line lead-in hardware to a suspension line, the lead-in hardware comprising a pull-out fitting attachment part for attaching a hold-down fitting for branching the telephone line, the lead-in hardware for fixing the telephone line lead-in fitting by magnetic force. a fixing part; a bar receiving part that receives the tip of a bar for lifting the telephone line lead-in hardware to the position of the suspension line; a threaded part provided to rotate when the threaded part is rotated; A hardware fixture for leading in a telephone line, comprising a movable frame that presses a biasing member toward the engaging portion to lock the hanging wire.