JPH0444764Y2 - - Google Patents

Description

[Detailed description of the invention] (1) Purpose of the invention () Industrial application field The present invention relates to a branch line guard used to protect branch lines of utility poles, etc.

() Prior art Branch line guards used for so-called Y-shaped branch lines (see Figure 6), which fix utility poles to the ground using two branch lines, are disclosed in, for example, Utility Model Publication No. 54-23947 and Utility Model Publication No. 61-29897. No. 55-82348. However, all of the Y-shaped branch wire guards disclosed in these publications are designed with a constant included angle (θ) of a nearly V-shaped branch branch line, or are designed with a constant included angle (θ), or are designed with sufficient flexibility to accommodate variations in the included angle width. It was not something I could follow.

() Problems to be solved by the invention Therefore, the present invention aims to solve the above-mentioned problems of the prior art and provide a branch line guard that can accommodate any included angle of a branch branch line. .

(2) Structure of the invention () Means for solving the problem According to the invention of the present application, a branch line guard used for a branch line having a branch part where two branch lines and branch line rods are connected is separated from a pair of cover bodies. configure,
Each of these cover bodies includes a branch housing part having a substantially semicircular cross section that surrounds the branch part, and an end part of a cylindrical branch rod protection tube extending from one end of the branch housing part. A substantially semicircular branch line protection pipe connecting portion configured to connect to each other; and a branch branch line protection tube connecting portion extending from the other end of the branch portion accommodating portion to connect a cylindrical branch line protection tube. and a lid body for opening and closing the side opening of the branch line protection tube connection part, and furthermore, the branch line protection tube connection part and the branch part accommodating part are configured to prevent relative bending between them. The cover bodies are connected to each other by a bellows-like structure having a semicircular cross section, and the respective cover bodies are connectable to each other at least at the branch housing portion.

() Effect As described above, in the present invention, the branch housing part that surrounds the branch part and the branch branch line protection pipe connecting part for the branch branch line extending from this branch part are connected via the bellows-like structure. Therefore, relative bending of the branch line protection tube connecting part with respect to the branch part accommodating part is allowed, and therefore it is possible to freely accommodate branch lines having branch lines with different included angles.

() Embodiment Next, an embodiment of the present invention will be described with reference to the drawings.

The branch line guard 10 which is an embodiment of the present invention is the first
On the other hand, a Y-shaped branch line 1 such as a utility pole to which this branch line guard is to be attached is shown in FIG. 6 with its upper part omitted.

Referring to FIG. 6, the branch line 1 consists of a branch line rod 2 fixed to the ground, and two lines extending upward from the annular part at the top of the branch line at an included angle θ and having their tips fixed to the utility pole. It consists of branch lines 3 and 4, and the part where the branch line rod and the two branch lines are connected constitutes a so-called branch part 5.

The branch line guard of the present invention is attached to this branch part, and as shown in FIG. hold it.

As is well known, these protective tubes have a cut (opening) extending along their entire length in the longitudinal direction, through which a branch line or branch rod is accommodated in the protective tube.

Referring again to FIG. 1, the branch line guard 10 of the present invention is composed of a pair of cover bodies 12a and 12b. Each cover body has a shape obtained by roughly dividing cylindrical bodies having different diameters in the longitudinal direction, and therefore, as shown in Figure 1, when both cover bodies are combined, it is approximately cylindrical. It becomes a hollow body.

Each cover main body 12a, 12b has a branch part accommodating part 14a, 14b having a substantially semicircular cross section for accommodating the branch part 5, and extends downward from the branch part accommodating part to connect the branch rod protection tube 6. Branch line protection pipe connection parts 16a and 16b having a substantially semicircular cross section for connecting the branch line protection pipes 7 and 8, and a branch line protection pipe connection part 18a located above the branch part accommodating part for connecting the branch line protection pipes 7 and 8, respectively. , 18b.

As shown in the figure, the branch housing portions 14a, 14b and the branch line protection tube connecting portions 18a, 18b are connected by semicircular bellows-like structures 20a, 20b, respectively. 18a,
18b can bend or swing with respect to the housing parts 14a and 14b, so when the branch line guard is attached to the branch part of the branch line, the direction can be freely determined according to the included angle of the branch line. It can be done. In FIG. 1, the bent state of the connecting portion 18a is shown by a chain line.

The cover bodies 12a and 12b are connected by a flange portion 22 extending around the circumferential side of each cover body.
This is done by fitting between the protrusion 24 formed on a and 22b and the opening that accommodates this protrusion.

When combining the cover bodies, the protective tube 6 can be removably fixed between the connecting parts 16a and 16b by a concave-convex engagement or other appropriate means, but it is possible to fix the protective tube 6 in a removable manner between the connecting parts 16a and 16b by a suitable means. It can also be welded to the branch rod protection tube connecting portion 16a or 16b.

Similarly, the protective tubes 7 and 8 are connected to the connecting portions 18a and 18a.
8b, or may be welded to the respective connecting portions in advance.

In Fig. 1, in order to facilitate the explanation of each part of the cover main body, the suffix a or b is added to the reference numeral of each part.
Although the cover bodies 12a and 12b have been explained separately, these cover bodies have exactly the same shape.

That is, FIG. 3 shows the cover body 12 that can be used as either of the pair of cover bodies 12a and 12b of the branch line guard of the present invention, and FIG. 4 shows this FIG. 3 as viewed from the right side in the paper. Referring to , as described above, this cover main body has a branch housing part 14, a branch line protection tube connection part 16, a branch line protection tube connection part 18, and a housing part 14 and a connection part 18 that can be bent freely. A bellows-like structure portion 20 is provided.

The flange portion 22 extending around the side opening 25 defined by the housing portion 14 and the connecting portion 16 has a plurality of pairs of projections 24 aligned in the longitudinal direction and openings 26 having dimensions to fit the projections. (three in the illustrated example) are formed.

Further, a flange portion 28 is also formed around the side opening 27 defined by the bellows-like structure portion 20 and the connecting portion 18, and a plate-shaped lid body 30 for closing the side opening 27 is attached to the flange 28. It is attached to the connecting portion 18 via a hinge portion 32 formed in the connecting portion 18 .

A protrusion 34 formed on the flange portion 28 and the lid body 30 and an opening 36 for accommodating the protrusion are provided, and the fitting between these protrusions fixes the lid body 30 to the connecting portion 18 and allows the lid body 30 to be fixed to the side. The opening 27 can be closed.

Next, the cover body 1 shown in FIGS. 3 and 4
2 will be used to explain the procedure for assembling the branch line guard shown in FIG. 1 (however, the means for fixing the protection tube and actually attaching it to the branch line will be described later).

The cover body 12a of FIG. 1 is completed by closing the cover body 30 of FIGS. 3 and 4 and placing the hinge portion 32 on the front side of the page (FIG. 5).
Similarly, the cover body 12b of FIG. 1 is completed by placing the cover body shown in FIGS. 3 and 4 with the lid closed facing the cover body 12a with the hinge portion on the back side of the page. Thereafter, the two cover bodies are brought close to each other and connected by fitting between the projections and the openings to complete the branch line guard 10 of FIG.

As described above, when constructing a branch line guard using cover bodies having the same shape, the pairs of protrusions 24 and openings 26 formed in the flange portion 22 are aligned in the longitudinal direction, and one side of each pair is aligned. It will be understood that if the protrusion is a protrusion, the other must be an opening.

In addition, the branch line guard of the present invention does not necessarily have to use cover bodies of the same shape, and the positions of the protrusions and openings can be arbitrarily changed depending on the application.
It can also be a separate lid.

Next, the procedure for attaching the branch line guard of the present invention to the Y-shaped branch line will be explained.

First, the branch line protection tube 6 welded to one side of the cover body is cut to an appropriate length to match the length of the branch line rod 2, and then the branch line rod is protected through a cut extending the entire length of the protection tube in the longitudinal direction. It is housed in the tube 6. Next, the branch branch line 3 is housed in the protection tube 7 through a cut extending along the entire length in the longitudinal direction of the branch line protection tube 7, which is similarly welded to the connecting portion 18a, and then the cover body 3 is
Close 0. As a result, one cover body 12
a is fixed to the branch part 5. Remaining cover body 1
2b is similarly attached to the branch portion, and then both cover bodies 12a, 12b are connected by fitting the projections 24 and openings 26 described above.

In this way, the branch line protection pipe connecting parts 18a and 18b are bent according to the included angle θ of the branch line due to the action of the bellows-like structure parts 20a and 20b of the cover body, resulting in the state shown in FIG. 2.

(3) Effects of the invention Since the branch wire guard of the present invention has the above-mentioned configuration, it achieves the following effects: The installation angle can be freely changed according to the included angle of the Y-shaped branch line, and therefore There is no need to prepare a matching branch line guard; by welding the cover body and protection tube,
The strength of the connecting part is increased, and the installation work can be done easily; since the pair of cover bodies can be of the same shape, manufacturing costs can be reduced by manufacturing cover bodies of a single shape, and There is no need to prepare at least two types of cover bodies, and inventory management etc. are facilitated.

[Brief explanation of the drawing]

Figure 1 is an elevation view showing the branch line guard of the present invention in an assembled state, Figure 2 is a diagram showing the branch line guard of the present invention attached to a Y-shaped branch line, and Figure 3 is the branch line guard of Figure 1. Fig. 4 is a side view of the cover main body shown in Fig. 3 viewed from the right side of the page, and Fig. 5 shows the cover main body shown in Figs. FIG. 6 is a diagram illustrating the process of putting it into an assembled state, and a diagram schematically showing a Y-shaped branch line. Explanation of main symbols, 1...Y-shaped branch line, 2...branch rod, 3, 4...branch branch line, 6...branch rod protection tube,
7, 8...Branch branch line protection tube, 10...Branch line guard, 12a, 12b, 12...Cover body, 14
a, 14b, 14...branch part housing part, 16a, 1
6b, 16... Branch rod protection tube connection part, 18a, 1
8b, 18...branch branch line protection pipe connection part, 20a,
20b, 20... Bellows-like structure, 22, 28... Flange portion, 24... Protrusion, 26... Opening, 30...
...Lid body.

Claims (1)

[Claims for Utility Model Registration] 1. A branch line guard used for a branch line having a branch part in which two branch lines and a branch line rod are connected, consisting of a pair of cover bodies, each cover body having a branch part connected to the branch line. a branch accommodating part having a substantially semicircular cross section surrounding the branch part accommodating part; and a substantially semicircular part extending from one end of the branch part accommodating part to connect one end of a cylindrical branch rod protection tube. a branch line protection tube connection part extending from the other end of the branch part accommodating part to connect a cylindrical branch line protection tube, and this branch line protection tube connection part. a lid body for opening and closing a side opening of the branch line protection pipe connecting part and the branch part accommodating part are connected by a bellows-like structure that allows relative bending therebetween. The branch line guard is characterized in that each cover body is connectable to each other at least in the branch part accommodating part. 2. The branch line guard according to claim 1, wherein the pair of cover bodies have the same shape, and each cover body has a section extending in the longitudinal direction on both sides of the side opening of the branch part accommodating part and the branch line protection pipe connecting part. A flange portion is provided, the flange portion of each cover body is provided with an opening and a protrusion, and each protrusion of one cover body and the other cover body is capable of fitting into the opening of the other cover body and one of the cover bodies, respectively. Branch line guard. 3. The branch line guard according to claim 1 or 2, wherein the branch line protection tube has a slit extending along its entire length in the longitudinal direction, and one end of the branch line protection tube connects to each of the branch line protection tube connecting parts. A branch line guard characterized by being welded to. 4. The branch line guard according to claim 1, 2 or 3, wherein the branch line protection tube has a cut extending along its entire length in the longitudinal direction, and one end of the branch line protection tube is connected to either of the pair of cover bodies. A branch line guard characterized by being welded to the branch line rod protection tube connection part. 5. The branch line guard according to claim 1, 2, 3, or 4, wherein the lid body is hinged to the branch branch line protection pipe connecting portion.