JP4443446B2 - Cover for brackets - Google Patents

Description

  The present invention relates to a telephone pole concatenated metal piece mounted on an upper end portion of a telephone pole in order to retain an electric wire (DV line) and draw it into a house, and configures the telephone pole concatenated metal article from the upper end of the telephone pole. The present invention relates to a cover for a cooperating metal object that is attached to a substantially strip-shaped support metal fitting standing upward.

  Usually, in an area where a power transmission pole is erected, a telephone line is installed along with the electric cable on the pole. Therefore, for example, a power pole is erected on one side across the road, and a telephone pole for telegraph / telephone is erected on the other side. When retracting, the telephone pole is used to retract.

  That is, the telephone pole is set lower than the electric pole, and the telephone pole concatenated metal is attached to the upper end portion thereof. Therefore, a DV member is attached to a substantially strip-shaped support bracket that constitutes the telephone pole joint metal and is erected upward from the upper end of the telephone pole, and is attached to the latching member. A DV line is secured to the insulator, and the DV line is drawn into the house from there.

The telephone pole co-mounted hardware is made of metal, and has a substantially annular fixing bracket that is fitted and fixed around the telephone pole, and an upper end portion that overlaps from both sides of the fixing bracket that is formed in a substantially strip shape. In this way, it is composed of a pair of support fittings projecting upward (see, for example, Non-Patent Document 1), and a latching member for attaching a DV wire retaining insulator to a predetermined height position of the support fitting is bolted. Will be.
Iwabuchi Co., Ltd., homepage, product introduction (product catalog (by product name)), distribution line equipment, pole fittings, telephone pole bracket (SAI), [online], [searched on August 18, 2004] , Internet <URL: http: // www. iwabuchi. co. jp / seihin / catalog / a / sai. htm>

  In the telephone pole cooperating hardware of Non-Patent Document 1, for example, a latching member is often fixed by screwing to the upper ends of a pair of support brackets, and the DV wire retaining insulator is fixed to the latching member. Is attached. Then, the DV line is retained on the DV line retaining insulator and is drawn into the lower house in a desired direction. The DV line after being retained on the DV line retaining insulator is the outer surface of the support metal or the side edge thereof. Or a state where there is a possibility of contact. In such a state, as the DV line sways under the influence of wind or the like, the DV line comes into contact with the support metal and rubs, and the coating of the part of the DV line is peeled off during long use, There was a problem that the DV line was damaged.

  Therefore, the present invention has been made to solve the above-mentioned problems. By attaching the support bracket to the support bracket, the support bracket and the DV line can be prevented from directly rubbing, and a peeling accident can be prevented in advance. It is an object of the present invention to provide a cover for a cooperating hardware that can be used stably over a long period of time.

In order to achieve such an object, the cover for a cooperating metal object according to the present invention constitutes a telephone pole cooperating metal object that is attached to the upper end portion of a telephone pole to hold an electric wire and draw it into a house, and is upward from the upper end of the telephone pole. A cover for a synthetic metal coherent metal fitting to be attached to a substantially band-plate-shaped support fitting that is erected to the cover plate, covering a side surface of the support fitting and a longitudinal direction of the cover plate portion And a pair of holding plate portions extending to the same side and inclined so that an angle formed between the cover plate portions and the cover plate portions is an acute angle, and a fixing band is inserted at an appropriate position of the both holding plate portions. When the attachment hole is attached to the support fitting, the cover plate portion is in close contact with one side surface of the support fitting, and both the holding plate portions are provided on both side edges of the support fitting, and the cross-sectional peaks in the same direction. enclosed in a state sandwiching an outer bent ridges bent in the mold from both sides Consisting of in the configured.

  The cover for the metal fitting according to the present invention includes a cover plate portion that is in close contact with one side surface of the support metal fitting and a pair of holding plate portions that surround both side edges of the support metal fitting. Even if the DV line comes into contact and rubs, the DV line is hardly damaged, and it is possible to prevent a peeling accident and to enable stable use of the DV line over a long period of time. Play.

  In addition, the cover for the bracket has a cover plate that is in close contact with one side surface of the support bracket, and a pair of holding plates surrounds both side edges of the bracket. In the state where the cover is attached, the cover for the joint metal object is temporarily fastened and does not easily come off, and there is an effect that the fixing work such as band fastening can be easily performed thereafter.

  Furthermore, the cover for the bracket is closely attached to one side of the support bracket, and both holding plates are extended to the same side so that the angle between the cover plate and the cover plate is an acute angle. The cover is almost the same size as the support metal fitting, and the wind pressure load is almost the same as when not attached, and there is an effect that it can be used satisfactorily without increasing snow cover.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a cover for a cooperating hardware according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a cover for a metal fitting according to the present invention, and FIG. 2 is an enlarged sectional view taken along line XX of FIG. The cover A for a joint metal is molded from a flame retardant synthetic resin material, for example, a flame retardant polyethylene. A frictional resistance reducing agent is added to reduce the frictional resistance.

  And the cover A for a coherent hardware consists of a flat strip-shaped cover plate portion 1 and a pair of holding plate portions 2 and 2 extending integrally along both side edges in the short direction. . Each of the holding plate portions 2 and 2 is extended to the same side so that the angle formed between the base plate portion 2a and the cover plate portion 1 that makes a right angle with the cover plate portion 1 is approximately 60 degrees. Holding plate main body 2b. Each holding plate main body 2b is provided with an oval attachment hole 3 for inserting a metal fixing band 40, which will be described later, at an appropriate position. The cover plate portion 1 has a width of 55 mm and a length of 500 mm, for example, and the holding plate portion 2 has a height of 21 mm from the cover plate portion 1.

  In this way, the holding plate portions 2 are inclined inward with respect to the cover plate portion 1 at a predetermined angle when both the holding plate portions 2 are held on the support bracket 20 of the telephone pole concatenated hardware B described later. This is because the plate portions 2 and 2 are in a state of sandwiching the support metal fitting 20 from both sides, so that it is difficult to drop off, and the attachment work of the cover A for the bracket is easily performed. In addition, the cover A for co-mounted metal objects may be cut in the middle of the longitudinal direction and used in a desired length.

  The cover A for a cooperating hardware according to the present invention has the above configuration. Next, the telephone pole cooperating hardware to which the present invention is applied will be described. The telephone pole co-mounted hardware B is made of metal, and as shown in FIG. 3, two pairs of upper and lower substantially annular fixing brackets 10 and 10 which are fitted and fixed around the telephone pole C described later, It comprises a pair of support fittings 20, 20 that are molded and protrude upward so that the upper end portions overlap from both opposing sides of both the fixtures 10, 10.

  Each of the fixing brackets 10 is formed by combining four divided pieces 11 each including a straight portion 11a and an arcuate portion 11b, and each arcuate portion 11b is disposed in a substantially circular outline shape and faces each other. It arrange | positions so that the linear parts 11a and 11a of the division | segmentation pieces 11 and 11 may be separated in parallel for a fixed period, and may become substantially parallel. In addition, three bolt insertion holes 12 are formed in the pair of arcuate portions 11b and 11b that partially overlap each other along the length direction, and the bolt insertion holes 13 are also formed in the opposing linear portions 11a. Has been established. Therefore, the bolt 14 is inserted into the bolt insertion holes 13 and 13 and the nut 15 is screwed into the bolt 14 to adjust the distance between the linear portions 11a and 11a. Further, between the arc-shaped portions 11b. The distance can be adjusted.

  The pair of support fittings 20 and 20 are formed by providing bent strips 20b and 20b which are bent in a mountain-shaped cross section in the same direction on both side edges along the longitudinal direction of the plate-like portion 20a. This is to increase the bending strength by bending. Each support fitting 20 has a substantially S-shaped side surface with its upper end and lower end bent in opposite directions along the longitudinal direction. This is because the upper end portions of the support brackets 20 and 20 are overlapped with each other when the support brackets 20 and 20 are attached to the fixing brackets 10 and 10, respectively. Each support fitting 20 is provided with a bolt insertion hole 21 at a predetermined position (the vertical position and the intermediate position in FIG. 3) along the longitudinal direction.

  A retaining member 30 for attaching a DV wire retaining lever for retaining a DV wire W, which will be described later, is fixed to one of the support fittings 20 at a predetermined height position. The latch member 30 has three bent plates 32, 32, 32 that are bent in the same direction with respect to the mounting plate 31 around the central mounting plate 31. A retaining hole 33 through which the mounting bracket 37 of the DV wire retaining lever 38 is inserted is formed. A bolt insertion hole 34 is formed at the center of the mounting plate 31.

  And the inner side surface 20c from which each bending strip part 20b protrudes faces the outer side surface of each arcuate part 11b at a position orthogonal to the direction of the pair of linear parts 11a, 11a on both sides of the fixture 10. The support brackets 20 are respectively arranged. As a result, the flat outer surface 20d of each support fitting 20 faces outward.

  Next, for example, the through hole 12 in the middle position of each arcuate portion 11 b and the bolt insertion hole 21 at the lower end of each support fitting 20 are matched to insert the bolt 16, and the nut 17 is screwed to the bolt 16. To do. In this case, any nut 17 is loosened. Further, the upper end portions of the support brackets 20 and 20 are overlapped, the bolt insertion holes 21 and the bolt insertion holes 34 of the latching member 30 are matched, and the bolts 35 are inserted, and nuts 36 are screwed into the bolts 35. To do. Also in this case, the nut 36 is loosened.

  As shown in FIG. 4, the telephone pole co-mounted metal fitting B has both fixing brackets 10 and 10 fitted into the upper end portion of the telephone pole C, and both nuts 15 and 15 and nuts 17 and 17 are tightened, and both straight portions 11a, 11a is narrowed and fixed firmly. At the same time, the support brackets 20 and 20 are erected and the nut 36 at the upper end is fastened to firmly fix the latch member 30. In this state, the DV line W is fastened to a pair of left and right DV line retaining levers 38, 38 attached to the latching holes 33, 33 on both sides of the latching member 30 via the mounting bracket 37, respectively, and one of them is housed ( (Not shown). At this time, the DV line W between the DV line retaining insulators 38 and 38 is bent, and as shown in FIG. 5, the support metal 20 that may contact or come into contact with the bent portion W1 of the DV line W The cover A for the co-mounted hardware is attached from the outer side surface 20d.

  Thereby, the cover board part 1 closely_contact | adheres to the outer surface 20d of the support metal fitting 20, and the holding board parts 2 and 2 of both sides surround the outer side of both bending strip parts 20b and 20b. In this state, the cover A for the joint metal hardware is temporarily fastened and does not easily fall off from the support fitting 20, so that a fixing operation such as subsequent band fastening can be easily performed. Then, the fixing band 40 is inserted into the mounting holes 3 and 3 and fastened, and the cover A for the bracket is firmly attached to the support fitting 20. In addition, although illustration is abbreviate | omitted, you may fasten using a wire rod like a wire instead of the fixed band 40.

  As described above, the cover A for the metal fitting is attached to the support metal fitting 20 with which the DV line W is in contact with or possibly coming into contact, so even if the DV line W is shaken by wind and rain, the DV line W The DV wire W is hardly damaged by rubbing against the cover A for the bracket. Therefore, a peeling accident can be prevented in advance, and the DV wire W can be used stably over a long period of time.

  Further, the cover A for the bracket is closely attached to the outer surface 20d of the support fitting 20, and both the holding plate portions 2 and 2 are extended to the same side so that the angle formed with the cover plate portion 1 is an acute angle. Therefore, the cover A for the bracket is almost the same size as the support fitting 20, and the wind pressure load is almost the same as that without being attached, and it can be used satisfactorily without increasing snow accumulation.

The perspective view of the cover for co-mounted hardware concerning the present invention. The XX line expanded sectional view of FIG. The perspective view of a telephone pole collateral hardware. The perspective view of the upper end part part of the telephone pole which shows the use condition of the cover for co-mounted hardware. The YY line expanded sectional view of FIG.

Explanation of symbols

1 Cover plate 2 Holding plate
3 Mounting hole 20 Support bracket
20b Bent strip 20d One side (outer side)
A Cover for brackets B Telephone pole brackets C Telephone pole W Electric wire (DV line)

Claims (1)

Combining a telephone pole concatenated metal fitting attached to the upper end of the telephone pole to hold the electric wire and pulling it into the house, and to be attached to a substantially strip-shaped support bracket standing up from the upper end of the telephone pole It is a cover for plastic joint hardware,
A pair of a cover plate portion covering one side surface of the support metal and a pair of both ends extending along the longitudinal direction of the cover plate portion so as to be inclined so that an angle formed by the cover plate portion is an acute angle. Mounting holes for inserting the fixing bands at appropriate positions of the both holding plate portions,
A bent strip in which the cover plate portion is in close contact with one side surface of the support bracket when attached to the support bracket, and the both holding plate portions are provided on both side edges of the support bracket and bent in a cross-sectional shape in the same direction. A cover for a jointed metal object characterized in that the outside of the part is enclosed in a state of being sandwiched from both sides .

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