JP2014189163A - Stop pin of suspended overhead power line protective cover and suspended overhead power line protective cover using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily detachably operate a stop pin, and to surely prevent slip-off, for fixing a pair of divided bodies constituting a suspended overhead power line protective cover.SOLUTION: A stop pin 11 is constituted of an elastically deformable metal wire having a bending part 12 for inserting an inner peripheral surface of pin holes 9a and 10a of the divided bodies 2 while deflecting to be pressed. One end part of the stop pin 11 is provided with a slip-off preventive part 13 for engaging with a fixing part 9 by being return-deformed when the tip is folded back to the inside of bending to be exposed from an outlet of the pin hole 9a. The other end part is provided with a knob part 14 having a clip part 14a folded back to the inside of the bending to prevent from being inserted into the pin hole 9a and receiving from the inner peripheral surface up to a side surface of the pin hole 9a of the fixing part 9. The stop pin 11 can be pulled off by pushing the slip-off preventive part 13 into the pin hole 9a by pushing in and elastically deforming the slip-off preventive part 13 inserted into the pin holes 9a and 10a and slipped off from an outlet side opening along a side surface of the fixing part 9 to release the engagement.

Description

  The present invention relates to a stop pin for fixing the divided bodies of a suspension line protective cover formed of a pair of half-divided bodies to be attached to a suspended line on a train line, and a suspended wire protective cover using the same.

  Conventionally, a cylindrical portion is composed of a pair of divided bodies each provided with a flange at one end and an engaging portion projecting in the radial direction at the other end, and provided with a notch portion into which the engaging portion can be fitted into the flange. There is a suspension wire protection cover configured in a pincushion shape by engaging alternately (Patent Document 1). In the engaged state, the two split bodies pass through the split pin through the flange and the engaging portion to prevent the split members from coming off.

A microfilm of Japanese Utility Model No. 60-1634

In the above conventional suspension wire protective cover, after inserting the split pin, the pin is split into two forks to prevent it from coming off, but it is not easy to bend the split pin while wearing work gloves, It is troublesome to use a tool such as pliers to deform the pin straight and remove it. These protective covers are attached and detached at high places and are often performed at night, and it is desired to be able to operate them easily instead of split pins.
Then, an object of this invention is to provide the stop pin which can be easily attached or detached with respect to a pair of engaged divided body, and a suspension wire protection cover using the same.

  In the present invention, the semi-cylindrical portion 3 divided into two along the axial direction, the collar portion 4 at one end of the semi-cylindrical portion 3, the other end projecting in the radial direction, and fitted into a notch 8 provided in the collar portion 4. Suspension wire protection composed of a pair of divided bodies 2 and 2 each having a possible engaging portion 5 and assembled into a bobbin shape by alternately engaging both divided bodies 2 and 2 in the axial direction of the semi-cylindrical portion. In the cover 1, the divided members are fixed to each other by inserting a fixing pin 11 into fixing portions 9 and 10 that protrude integrally from the outer surfaces of the flange portion 4 and the engaging portion 5. The retaining pin 11 is formed of a metal wire having a bent portion 12 whose width in the direction perpendicular to the axis exceeds the diameter of the pin hole and is elastically deformed by insertion into the pin hole. One end of the retaining pin 11 projects inward of the bending of the bent portion 12, and when it comes out of the opening on the outlet side of the pin hole 9 a, it is displaced to a position off the opening due to the return deformation of the bent portion 12. A retaining portion 13 to be engaged is provided. The other end portion of the stop pin 11 is provided with a knob portion 14 that prevents insertion into the pin hole 9a when the retaining portion 13 reaches the insertion position where it engages with the fixing portion 9. The retaining portion 13 engaged with the fixing portion 9 can be pulled out by being elastically deformed along the axis of the pin hole 9a.

  In the present invention, if a pair of divided bodies are assembled and a stop pin is inserted into the pin hole, the bent portion is bent by the bending portion and pressed against the inner peripheral surface of the pin hole, and the pin hole is pulled out from the outlet side opening. While the stopper part engages with the fixing part, the knob part prevents insertion into the pin hole, so that the fixing operation of the divided body can be easily performed by inserting the stopper pin with one hand, and the stopper part The retaining pin can be securely retained between the knob and the knob, while the retaining pin inserted along the axis of the pin hole can be pulled out for easy removal. Therefore, it is possible to easily perform the attaching / detaching work of the suspension wire protection cover even in a dark high place at hand.

It is a perspective view of the suspension line protection cover which concerns on this invention. It is a front view of the suspension line protection cover of FIG. It is a side view of the suspension line protection cover of FIG. It is a disassembled perspective view of the suspension line protection cover of FIG. It is a front view of the stop pin of 1st Example which concerns on this invention. (A) is a front view in the middle of insertion of a stop pin of FIG. 5, (B) is a front view of the mounting state of a stop pin. It is a partial front view of the stop pin of 2nd Example which concerns on this invention. It is a partial front view of the stop pin of 3rd Example which concerns on this invention. It is a partial front view of the stop pin of 4th Example which concerns on this invention. It is a partial front view of the stop pin of 5th Example which concerns on this invention. It is a partial front view of the stop pin of 6th Example which concerns on this invention.

A first embodiment of the present invention will be described with reference to the drawings.
In FIG. 1 thru | or FIG. 3, the suspension wire protection cover 1 makes the bobbin shape provided with the collar part in the both ends of a cylindrical part. As shown in FIG. 4, the suspension wire protection cover 1 is provided with a flange portion 4 at one end portion, and a pair of divided bodies 2 and 2 made of synthetic resin in which a cylindrical portion is divided into two along the axial direction. It is assembled and configured. The divided body 2 includes a semi-cylindrical portion 3 that bisects the cylindrical portion of the suspension wire protection cover 1, a flange portion 4 that extends in the radial direction at one end of the semi-cylindrical portion 3, and an axis orthogonal direction to the other end of the semi-cylindrical portion 3. And an engaging portion 5 extending to the surface. A side edge of the semi-cylindrical portion 3 is provided with an axial groove 6 and a ridge 7 that can be slidably engaged with each other. The flange portion 4 includes a notch 8 having edges corresponding to substantially both edges of the semi-cylindrical portion 3 and into which the engaging portion 5 is fitted. Both edge portions of the notch 8 and the engaging portion 5 are provided with fixing portions 9 and 10 projecting outward. The fixing portions 9 and 10 are provided with pin holes 9a and 10a in the direction orthogonal to the axis line which are integrally continuous in the assembled state of the divided bodies 2 and 2. The semi-cylindrical part 3 has an arcuate protrusion 3a that the other flange part 4 abuts and is positioned.

  Stop pins 11 are inserted into the pin holes 9a and 10a that are continuous in the assembled state of the divided bodies 2 and 2 in order to fix the divided bodies 2 and 2. The stop pin 11 is formed of a metal wire, and as shown in FIG. 5, an intermediate portion is provided with a substantially square-shaped bent portion 12 that can be elastically deformed linearly, and one end portion faces the inside of the bent portion 12. A retaining portion 13 that is folded back in a U-shape, and a knob portion 14 that has a clip portion 14a that rises on the inner side of the bend at the other end portion and is bent at a substantially right angle toward the one end portion side. The stop pin 11 has a width in the direction perpendicular to the axis exceeding the diameter of the pin holes 9a and 10a, and when inserted into the pin holes 9a and 10a, the bending angle of the bent portion 12 is opened along the pin holes 9a and 10a. The stopper pin 11 that is gradually bent and bent along the pin holes 9a and 10a returns and deforms when the stopper pin 11 comes out of the opening on the outlet side of the pin hole 9a, so that the tip of the stopper part 13 is displaced to a position away from the opening. The engaging portion 9 is engaged with the fixing portion 9, and the stopper pin 11 is pulled out to abut against the side surface of the fixing portion 9 to prevent the fixing portion 9 from coming off. On the other hand, the engaged retaining portion 13 is pushed into the opening side along the side surface of the fixing portion 9 and elastically deforms the retaining pin 11 along the axis of the pin hole 9a, thereby opening the pin hole 9a. The knobs 14 can be pushed in conformity, and the knob 14 protrudes from the opening on the entrance side. The clip portion 14a of the knob portion 14 bends while pressing the side surface of the fixing portion 9 as the retaining pin 11 is inserted into the pin holes 9a and 10a, and accepts from the inner peripheral surface to the side surface of the pin hole 9a of the fixing portion 9. When the retaining portion 13 is engaged with the fixed portion 9, it cannot be inserted into the pin hole 9a.

  In this suspension wire protective cover 1, the semi-cylindrical portions 3 of the pair of divided bodies 2 and 2 are alternately arranged in the axial direction, the grooves 6 and the protrusions 7 are slidably engaged, and the flange portion 4 is formed into an arc-shaped protrusion. If it makes it contact | abut 3a, the engaging part 5 will fit in the notch 8 of the collar part 4, and the division bodies 2 and 2 will be assembled. Since the pin holes 9a and 10a of the fixing portions 9 and 10 are continuous in the assembled state of the divided bodies 2 and 2, the stop pin 11 is inserted into these. When the knob 14 is pinched and the retaining pin 11 is inserted into the pin holes 9a and 10a from the retaining part 13, the pin hole 9a of the fixing part 9 is inserted into the intermediate knob 14 as shown in FIG. As the part from the side to the side enters, the bending part 12 of the set pin 11 is gradually elastically deformed in the direction in which the bending angle is opened. When the stopper pin 11 is further inserted and the tip of the retaining portion 13 comes out of the pin hole 9a as shown in FIG. 6B, the bending portion 12 slightly returns and deforms in a direction in which the bending angle is narrowed. When the retaining pin 11 is pulled out, the tip of the retaining portion 13 abuts against the fixed portion 9 to prevent it from coming out. At the same time, the knob portion 14 elastically sandwiches the fixing portions 9 and 10 and prevents insertion. As a result, the set pin 11 is fixed so as not to move forward and backward in the axial direction of the pin holes 9a and 10a.

  On the other hand, in order to remove the suspension pin protection cover 1 from the suspension line, in order to pull out the retaining pin 11, the retaining portion 13 is pushed in the direction in which the bending angle of the bending portion 12 is opened to elastically deform the retaining pin 11, and the retaining portion If the tip of the pin 13 is arranged at the opening position of the pin hole 9a, the retaining portion 13 can be pushed into the pin hole 9a, whereby the knob portion 14 protrudes from the side opening of the fixing portion 9 from the opening on the entrance side of the pin hole 9a Therefore, it is sufficient to pinch this and pull out the stop pin 11.

  A part of the retaining pin of the second embodiment is shown in FIG. In the following, the same components as those of the locking pin of the first embodiment are denoted by the same reference numerals, and description thereof is omitted. In FIG. 7, the retaining portion 15 of the retaining pin 11 can be inserted into the pin holes 9 a and 10 a, and when the retaining pin 11 comes out of the opening on the outlet side of the pin hole 9 a, the retaining pin 11 returns to the side surface of the fixing portion 9 due to the return deformation. A large-diameter portion 15 a that protrudes and engages with the fixing portion 9 is provided. The large-diameter portion 15a engages with the opening edge of the pin hole 9a and prevents the retaining pin 11 from being pulled out, but stops so that the tip of the retaining portion 15 is pushed along the side surface of the fixing portion 9 toward the opening side. If the pin 11 is elastically deformed, the large diameter portion 15a faces the opening of the pin hole 9a and can be pushed into the pin hole 9a.

  A third embodiment is shown in FIG. In the figure, the retaining portion 16 of the retaining pin 11 has a crank portion 16 a that is bent along the side surface of the fixed portion 9 inside the bent portion 12 and then further bent so as to rise from the side surface of the fixed portion 9. I have. The retaining portion 16 can be inserted into the pin holes 9a and 10a. When the retaining portion 16 is exposed from the opening on the outlet side of the pin hole 9a, the crank portion 16a engages with the opening edge of the pin hole 9a due to the return deformation of the retaining pin 11. If the stop pin 11 is elastically deformed so as to push the distal end portion along the side surface of the fixed portion 9 toward the opening side, the crank portion 16a faces the opening of the pin hole 9a. , Can be pushed into the pin hole 9a.

A fourth embodiment is shown in FIG. In the drawing, the knob portion 17 of the stop pin 11 includes a bent portion 17a that is bent in the radial direction of the pin hole 9a along the side surface of the fixed portion 9 and protrudes to the outside and prevents insertion into the pin hole 9a. The knob 17 inserts the retaining pin 11 into the pin hole 9a, and when the retaining portion (not shown) comes out of the pin hole 9a and becomes the insertion position where it engages with the fixing portion 9, the side surface of the fixing portion 9 on the inlet side The retaining pin 11 cannot be moved back and forth in the axial direction of the pin holes 9a and 10a between the retaining portion and the retaining portion which is disengaged is pushed into the pin hole 9a. 9 so that the pin 11 can be pulled out of the pin holes 9a and 10a.
In addition, the bending part 17a should just prevent insertion of the pin hole 9a, and may be any bending direction as long as it is the radial direction of the pin hole 9a.

  A fifth embodiment is shown in FIG. In the drawing, the knob 18 of the set pin 11 is bent back toward the starting point while being bent substantially arcuately in the rearward direction, protrudes outside the pin hole 9a, and prevents the insertion into the pin hole 9a. Is provided. The knob 18 inserts the retaining pin 11 into the pin hole 9a, and when a retaining part (not shown) is exposed from the pin hole 9a on the outlet side and engages the side surface of the fixing part 9, the fixing part 9 on the inlet side When the locking pin 11 is made incapable of moving back and forth in the axial direction of the pin holes 9a and 10a with respect to the side surface of the pin hole 9a, while being pushed into the pin hole 9a, Since it protrudes from the fixing portion 9, the pin 11 can be pulled out of the pin holes 9a and 10a by pinching.

  A sixth embodiment is shown in FIG. In the figure, the knob portion 19 of the stop pin 11 is provided with a bulging portion 19a that protrudes outside the pin hole 9a and prevents insertion into the pin hole 9a. In this knob portion 19 as well, the retaining pin 11 cannot be moved back and forth in the axial direction of the pin holes 9a and 10a with the retaining portion (not shown), while the retaining portion which has been disengaged is provided in the pin hole 9a. When pushed in, it protrudes from the fixing portion 9, so that the pin 11 can be pulled out from the pin holes 9a and 10a by pinching.

DESCRIPTION OF SYMBOLS 1 Suspension wire protective cover 2 Divided body 3 Semi-cylindrical part 4 Gutter part 5 Engagement part 6 Groove 7 Projection 8 Notch 9 Fixing part 9a Pin hole 10 Fixing part 10a Pin hole 11 Stopping pin 12 Bending part 13 Stopping part 14 Knob 14a Clip 15 Detent 15a Large diameter 16 Detent 16a Crank 17 Knob 17a Bending 18 Knob 18a Bending 19 Knob 19a Swelling

Claims (8)

A semi-cylindrical portion divided into two along the axial direction, a collar portion at one end of the semi-cylindrical portion, and an engaging portion that protrudes in the radial direction at the other end and can be fitted into the notch of the collar portion. Consists of a pair of split bodies, and integrally protrudes from the outer surface of the hook part and the engaging part in the suspension wire protection cover assembled in a pincushion shape by alternately engaging the two split bodies in the axial direction of the semi-cylindrical part. A fixing pin that is inserted into a pin hole penetrating the fixing portion to fix both divided bodies,
The width in the direction perpendicular to the axis exceeds the diameter of the pin hole, and consists of a metal wire having a bent portion for elastic deformation by insertion into the pin hole,
One end portion protrudes inside the bent portion of the bent portion, and when it comes out of the opening on the outlet side of the pin hole, it is displaced to a position off the opening due to return deformation of the bent portion, and a retaining portion that engages with the fixed portion, ,
When the retaining portion reaches the insertion position where it engages with the fixed portion, it includes a knob at the other end that prevents insertion into the pin hole,
A suspension wire protective cover retaining pin, wherein the retaining portion engaged with the fixed portion can be pulled out by releasing the engagement by elastically deforming the retaining pin along the axis of the pin hole. A semi-cylindrical portion divided into two along the axial direction, a collar portion at one end of the semi-cylindrical portion, and an engaging portion that protrudes in the radial direction at the other end and can be fitted into the notch of the collar portion. In the suspension wire protective cover that is composed of a pair of divided bodies and is assembled in a pincushion shape by alternately engaging both divided bodies in the axial direction of the semi-cylindrical portion,
A fixing portion provided with a pin hole that protrudes integrally from the outer surface of the flange portion and the engaging portion and penetrates in the direction perpendicular to the axis;
It has a stop pin that is inserted into this pin hole and fixes both divided bodies,
The stop pin has a width in the direction perpendicular to the axis exceeds the diameter of the pin hole, and consists of a metal wire having a bent portion for elastic deformation by insertion into the pin hole,
One end portion protrudes inside the bent portion of the bent portion, and when it comes out of the opening on the outlet side of the pin hole, it is displaced to a position off the opening due to return deformation of the bent portion, and a retaining portion that engages with the fixed portion, ,
When the retaining portion reaches the insertion position where it engages with the fixed portion, it includes a knob at the other end that prevents insertion into the pin hole,
A suspension wire protective cover, wherein the retaining portion engaged with the fixing portion can be pulled out by releasing the engagement by elastically deforming the retaining pin along the axial direction of the pin hole.   3. The suspension wire protective cover according to claim 1, wherein the retaining portion is folded back inside the bend of the bent portion, the front end faces the other end, and abuts against the fixed portion by a pulling operation. Stop pin or hanging wire protective cover.   The said retaining part comprises the large diameter part which protrudes from the exit side opening of the said pin hole, and protrudes in the position removed from the opening by the return deformation | transformation of the said bending part, The Claim 1 or 2 characterized by the above-mentioned. Suspension wire protection cover set pin or suspension wire protection cover.   3. The suspension wire protective cover according to claim 1, wherein the retaining portion includes a crank portion that is further bent along the axial direction after rising from the inside of the bent portion. 4. Stop pin or hanging wire protective cover.   The said knob | pick part is equipped with the clip part which receives a fixing | fixed part, pressing the said fixing | fixed part according to the insertion to the said pin hole, The suspension wire protective cover in any one of Claim 1 to 5 characterized by the above-mentioned. Stop pin or hanging wire protective cover.   6. The hanging wire protective cover stop pin or the hanging wire protective cover according to claim 1, wherein the knob includes a bent portion that prevents insertion into the pin hole.   The suspension pin protective pin or the suspension wire protective cover according to any one of claims 1 to 5, wherein the knob includes a curved portion that prevents insertion into the pin hole.

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