JP4880300B2 - Branch line cover - Google Patents

Description

  The present invention relates to a branch line cover attached to a branch line of a utility pole.

  Conventionally, a branch line cover formed in a cylindrical shape is used to prevent a vine or other vines from winding around a branch line of a utility pole placed in a mountain area or a field. It is attached along the central axis of the cover.

  And as this kind of branch line cover, it is provided in a pair of half cylinders which divided a long cylindrical member into two along the direction of the central axis, and the inner circumference side of one half cylinder, A fixing member that fixes the semi-cylindrical body to the branch line so that the branch line is positioned along the central axis of the cylindrical member made of the semi-cylindrical body is known (for example, Patent Document 1 reference).

  In addition, in order to prevent vine plants from entering the inside of the branch line cover at both ends in the longitudinal direction of the pair of half-cylinders, the longitudinal sides of the pair of half-cylinders are bonded together. The wall part which forms the both end surfaces of a direction is formed, and the groove | channel which forms the hole for penetrating a branch line is formed in each wall part. The pair of semi-cylindrical bodies are connected by hinges at one end in the circumferential direction of the semi-cylindrical bodies so that the branch line cover can be opened and closed.

The branch line cover having the above configuration is attached to the branch line by the following procedure, for example.
That is, first, the opened branch line cover is lifted toward the branch line. Next, of the pair of semi-cylindrical bodies, the branch line is brought into contact with the groove of the semi-cylindrical body on which the fixing member is provided, and the branch line cover is branched using the fixing member while holding the branch line cover in that state. And close the branch cover. Then, for example, using a long bar, the branch line cover is pushed up to an arbitrary height along the branch line.
JP-A-9-119234

  By the way, the conventional branch line cover has a large length of about 100 cm and an outer diameter of about 20 cm, and when an operator fixes the branch line cover to the branch line, it is necessary to support the own weight of the entire branch line cover.

For this reason, it is difficult for one worker to perform the work alone, and it is usually performed by a plurality of workers.
The present invention has been made to solve these problems, and an object of the present invention is to improve the efficiency of the attachment work in the branch line cover attached to the branch line of the utility pole.

In order to achieve the above object, the invention according to claim 1 is characterized in that a long cylindrical member is divided into two along its central axis, and first and second half cylinders, The first half cylinder is fixed to the branch line so that the branch line of the utility pole is located along the central axis of the cylindrical member made of the first and second half cylinders, provided on the inner peripheral side of the one half cylinder. A branch line cover comprising: a fixing member; and a holding member that holds the first and second half cylinders in a state where the split surfaces of the first and second half cylinders are joined together, A hook member is provided on one end side in the longitudinal direction of the semi-cylindrical body and can be hooked on a branch line at a position separated by a predetermined distance from the fixing member in the longitudinal direction of the semi-cylindrical body. An extending portion extending outward from the cylindrical body along the longitudinal direction thereof, and formed at the tip of the extending portion, the hooking member surrounds the periphery of the branch line. As can are characterized and locking piece bent to the extended portion side, in that it consists of.

  According to the branch line cover described in claim 1, the worker can hook the hook member on the branch line, thereby supporting the weight of the entire branch line cover without supporting the weight of the entire branch line cover. The body can be lifted to the branch line side.

For this reason, the worker can easily perform the work of fixing the branch line cover (specifically, the first half cylinder) to the branch line by one person.
Therefore, the efficiency of the attachment work of the branch line cover can be improved.

The hooking member is provided on one end side in the longitudinal direction of the first half cylinder . For this reason, when the operator lifts the first half cylinder after hooking the hook member on the branch line, the distance from the fulcrum to the power point can be increased, so that the operator can use the first half cylinder with a smaller force. You can lift your body.
According to the branch line cover of the first aspect, when the operator hooks the hook member on the branch line, the periphery of the branch line is surrounded by the hook member, so that the first half after the worker hooks the hook member on the branch line. When lifting the cylinder, it is possible to prevent the hooking member from being detached from the branch line.

  Also, if the operator holds the end of the first half cylinder opposite to the hook member side and lifts the first half cylinder after hooking the hook member on the branch line, the fulcrum to the force point Can be lifted with a minimum force.

Therefore, as described in claim 2 , the fixing member may be provided at the end of the first half cylinder opposite to the hooking member side.
According to the branch line cover described in claim 2 , the worker has an end portion on the opposite side to the hooking member side of the first semi-cylindrical body, so that the worker's hand can be easily reached. Since the branch cover can be fixed to the branch line using the fixing member, the operation of fixing the first half cylinder to the branch line can be easily performed.

Next, the branch line cover according to claim 3 is the branch line cover according to claim 1 or 2 , wherein the fixing member is fixed to the first half cylinder and is arranged along the central axis. A contact member that contacts, a support member that has a contact piece that contacts the contact line that contacts the contact surface and positions the support line on the central axis; and a position that faces the contact surface; A cam that is perpendicular to the longitudinal direction and that is rotatable about a rotation axis that is parallel to the contact surface, and the cam has an outer peripheral surface centered on the rotation axis from a position facing the contact surface. The distance between the facing position and the contact surface becomes narrower as it rotates in the direction of moving to the hooking member side, and the fixed member has an outer periphery around the rotation axis with respect to the cam. Biasing member that applies force in the direction in which the surface moves from the facing position toward the hooking member It is characterized in that is provided.

According to the branch line cover according to the third aspect , for example, the operator rotates the cam in the direction opposite to the direction in which the outer peripheral surface moves from the facing position toward the hooking member with the rotation shaft as the center. Then, after positioning the branch line on the central axis, the first half cylinder can be fixed to the branch line simply by releasing the hand from the cam.

Therefore, the first half cylinder can be easily fixed to the branch line, and the efficiency of the mounting operation can be improved.
According to the branch line cover of the third aspect , the biasing member applies a force to the cam in the direction in which the outer peripheral surface moves from the facing position toward the hooking member with the rotation shaft as the center. By attaching the first semi-cylindrical body to the branch line so that the hooking member is above the fixed member, the branch line cover attached to the branch line can be easily pushed up to an arbitrary height position. It is possible to prevent the cover from slipping off from the branch line.

Next, the branch line cover according to claim 4 is characterized in that, in the branch line cover according to claim 3 , the cam has an outer peripheral surface formed in an uneven shape.
According to this, since the convex part of the outer peripheral surface bites into the branch line when fixing the first half cylinder to the branch line, the branch line can be pressed against the contact surface of the support member with a larger force, and the first half cylinder The body can be more firmly fixed to the branch line.

Next, the branch line cover according to claim 5 is the branch line cover according to any one of claims 1 to 4 , wherein the first and second half cylinders are arranged so that the branch line cover can be opened and closed. , One end side in the circumferential direction of the second semi-cylindrical body is connected via a connecting member, and the holding member is an end portion on the opposite side to the connecting member side of the first and second semi-cylindrical bodies, The second semi-cylindrical body is detachably joined.

According to the branch line cover of the fifth aspect , since the first and second half cylinders are connected, the branch line cover is compared with a case where the first and second half cylinders are not connected. Can be quickly performed.

  That is, when the first and second semi-cylindrical bodies are not connected, when the divided surfaces of the first and second semi-cylindrical bodies are joined together, both ends in the circumferential direction are held using the holding members. However, if the first and second half cylinders are connected as described in claim 7, after closing the branch line cover, the end side opposite to the connecting member side in the circumferential direction Since only the holding member needs to be held, the branch line cover can be quickly attached.

Hereinafter, a branch line cover according to an embodiment to which the present invention is applied will be described with reference to the drawings.
FIG. 1 is an external view showing a state in which the branch line cover 1 of the first embodiment is attached to the branch line L, and FIG. 2 is a development view showing a state in which the branch line cover 1 is opened.

  As shown in FIGS. 1 and 2, the branch line cover 1 is attached to the branch line L of the utility pole P, and is intended to prevent vine plants such as cocoons and kudzu from winding around the branch line L and climbing up. The first and second half cylinders 10a and 10b are formed by dividing the long cylindrical member into two along the central axis S1, and provided on the inner peripheral side of the first half cylinder 10a. The first half cylinder 10a is fixed to the branch line L so that the branch line L is located along the central axis S1, and the first half cylinder 10a is formed integrally with the half cylinder. A hooking member 14 that can be hooked on a branch line L is provided at a position separated by a predetermined distance in the longitudinal direction of the body 10a.

  The first and second half-cylinders 10a and 10b are made of a synthetic resin (for example, polyethylene or polypropylene) having light shielding properties and flexibility, and the dimensions are, for example, about 110 cm in total length and about 20 cm in outer diameter. Is formed.

  In addition, the longitudinal directions of the first and second half-cylinders 10a and 10b in the state in which the divided surfaces 15a and 15b of the first and second half-cylinders 10a and 10b are attached to both ends in the longitudinal direction. Wall portions 16a and 16b that form both end surfaces of the first and second walls are formed, and grooves (not shown) that form holes for penetrating the branch lines L are formed in the wall portions 16a and 16b, respectively. .

Moreover, the 1st, 2nd half cylinders 10a and 10b are connected through the connection member 18 at the one end side of the circumferential direction so that the branch line cover 1 can be opened and closed.
The first and second half cylinders 10a and 10b have a plurality of base portions 15c and 15d protruding from the end opposite to the connecting member 18 toward the connecting member 18 along the longitudinal direction. (6 in this embodiment) are formed, and the base part 15c and the base part 15d are arranged at positions facing each other in a state where the branch line cover 1 is closed.

  Holes 20a are formed in odd-numbered base portions 15c from the upper side in FIG. 2 and even-numbered base portions 15d from the upper side in FIG. 2, and even-numbered base portions 15c from the upper side in FIG. A pair of protruding portions 20b are formed on the odd-numbered base portion 15d from the upper side in FIG.

  As shown in FIG. 3, the pair of projecting portions 20b project to the opposite half cylinders 10a and 10b in a state where the branch line cover 1 is closed, and are fitted into the holes 20a of the opposed base portions 15c and 15d. In order to match, the substantially central portion protrudes outward (that is, opposite to the opposite protruding portion 20b side), and is further tapered from the protruding portion toward the tip. .

  For this reason, when the branch line cover 1 is closed, the pair of projecting portions 20b are pressed against the half tubes 10a and 10b facing each other while being bent toward the inside (that is, facing the projecting portions 20b). When entering the hole 20a on the side of the half cylinders 10a, 10b and entering the substantially central portion, as shown in FIG. 3, the protruding portion 20b returns to its original position and fits into the hole 20a.

FIG. 3 is a cross-sectional view illustrating a state in which the protruding portion 20b is fitted into the hole 20a.
Next, the configuration of the fixing member 12 will be described with reference to FIG. 4 is an explanatory view for explaining the configuration of the fixing member 12, FIG. 4 (a) is a plan view of the fixing member 12, and FIG. 4 (b) is a side view of the fixing member 12. FIG. .

The fixing member 12 includes a long plate member 30 that connects both ends in the circumferential direction on the wall portion 16b side of the first semi-cylindrical body 10a.
As shown in FIG. 4, the plate member 30 abuts on the contact surface 30 a that is in contact with the branch line L arranged along the central axis S <b> 1, and the branch line L that is in contact with the contact surface 30 a. A pair of contact pieces 30b for positioning on the shaft S1 is formed.

  Further, on the front side of the plate member 30, a columnar column 30d disposed on the connecting member 18 side with respect to the contact surface 30a, and a column 30e disposed on the connecting member 18 side and on the hooking member 14 side with respect to the column 30d. A plurality of ribs 30f parallel to the contact surface 30a and a plurality of ribs 30g perpendicular to the contact surface 30a are formed, and a plurality of ribs (not shown) for maintaining strength are formed on the back side. ing.

Further, in the plate member 30, a groove 30j sandwiched between one end side 30h and the other end side 30i in the longitudinal direction of the first semi-cylindrical body 10a is formed in a portion along the central axis S1.
The contact surface 30a is a substantially rectangular surface perpendicular to the dividing surface 15a and parallel to the central axis S1, and is covered with an elastic member 30c such as ethylene propylene rubber, urethane rubber, or silicon rubber.

The contact piece 30b extends from both ends of the contact surface 30a opposite to the plate member 28 side to the connecting member 18 side.
The support 30d has a cam 32 that can rotate about its central axis S2 (hereinafter referred to as the rotational axis S2), and a force that rotates counterclockwise in FIG. 4 about the rotational axis S2 with respect to the cam 32. And a coil-shaped portion of a torsion coil spring 34 that provides

  The cam 32 rotates around the rotation axis S2 (that is, the support column 30d) in a direction in which the outer peripheral surface 32a moves from the position 32b facing the contact surface 30a to the hooking member 14 side (that is, the opposite side in FIG. 4). The distance between the facing position 32b and the contact surface 30a becomes narrower as it rotates clockwise.

  The cam 32 is formed so that its outer peripheral surface 32a is wavy along the circumferential direction, and the outer peripheral surface 32a is covered with an elastic member 32c such as ethylene propylene rubber, urethane rubber, or silicon rubber. Yes.

The cam 32 is formed with a handle 32d for the operator to operate the cam 32 (that is, rotate around the rotation axis S2).
The torsion coil spring 34 has one end attached to the handle 32d and the other end attached to the column 30e.

  Therefore, the torsion coil spring 34 gives the cam 32 a force that rotates counterclockwise in FIG. 4 as described above, and when the operator does not operate the cam 32, as shown in FIG. Further, the distance between the facing position 32b and the contact surface 30a is the narrowest (that is, the elastic member 32c on the cam 32 side is in contact with the elastic member 30c).

Next, the configuration of the hooking member 14 will be described with reference to FIG. FIG. 5A is a plan view of the hooking member 14.
The hook member 14 is formed on the wall portion 16a of the first half cylinder 10a. As shown in FIG. 5A, the hook member 14 extends from the wall portion 16a in the longitudinal direction of the first half cylinder 10a (up and down in FIG. 5). Extending to the outside along the direction), and formed at the tip of the extended portion 14a, and the latch bent to the extended portion 14a side so that the hooking member 14 can surround the branch line L. And 14b.

Further, the distance d between the distal end of the locking piece 14b and the extending portion 14a is made smaller than the outer diameter of the branch line L.
A long reinforcing member 36 that connects both ends in the circumferential direction is attached to the end of the second half cylinder 10b on the wall 16b side, and the longitudinal center of the first half cylinder 10a is attached. The reinforcing member 36 that is the same as the reinforcing member 36 is also attached to the portion and the central portion in the longitudinal direction of the second half cylinder.

  Next, the attachment operation | work which attaches the branch line cover 1 of the above structures to the branch line L is demonstrated using FIG.5 (b) and FIG. 5B is an explanatory diagram for explaining the operation of hooking the hooking member 14 on the branch line L in the mounting operation of the branch line cover 1. FIG. 6 is a diagram illustrating the operation of attaching the branch line cover 1 in the mounting operation of the branch line cover 1. It is explanatory drawing explaining the operation | work fixed to the branch line L. FIG.

First, the hook member 14 is hooked on the branch line L, as shown in FIG. 5B, with the branch line cover 1 in the opened state so that the wall portion 16a side is higher than the wall portion 16b side.
Specifically, when the branch line L is pressed toward the extending portion 14a from between the locking piece 14b and the wall portion 16a, the hooking member 14 is bent and formed by the extending portion 14a and the locking piece 14b. When the branch line L is pushed into the space 14c, the hook member 14 is hooked on the branch line L.

  Next, the branch line cover 1 is lifted toward the branch line L, and as shown in FIG. 6A, the cam 32 is rotated clockwise about the rotation axis S2 in FIG. The branch line L is brought into contact with the member 30c) and brought into contact with the contact piece 30b, whereby the branch line L is positioned on the central axis S1, and the cam 32 is rotated counterclockwise in FIG. 5 about the rotational axis S2.

Then, as shown in FIG. 6B, the cam 32 presses the branch line L against the contact surface 30 a by the urging force of the torsion coil spring 34, and the branch line cover 1 is fixed to the branch line L.
Then, the branch line cover 1 is closed by folding the branch line cover 1 along the ends of the first and second semi-cylindrical bodies 10a and 10b on the connecting member 18 side, and fitting the protruding portions 20b into the holes 20a.

Then, for example, by using a long bar and lifting the branch line cover 1 to an arbitrary height along the branch line L as shown in FIG.
As described above, according to the branch line cover 1 of the first embodiment, the operator hooks the hook member 14 on the branch line L, so that the part hooked on the branch line L without supporting the own weight of the entire branch line cover 1. As a fulcrum, the branch line cover 1 can be lifted to the branch line L side.

For this reason, the worker can easily perform the work of fixing the branch line cover 1 to the branch line L even by one person.
Therefore, the efficiency of the attachment work of the branch line cover 1 can be improved.

  Moreover, according to this embodiment, since the hooking member 14 is formed in the wall part 16a of the 1st half cylinder 10a, when an operator lifts the branch line cover 1 after hooking the hooking member 14 on the branch line L, it is. The distance from the fulcrum to the power point can be increased, and the operator can lift the branch line cover 1 with a smaller force.

  Further, if the worker holds the wall member 16b side of the first half cylinder 10a and lifts the branch line cover 1 after hooking the hook member 14 on the branch line L, the distance from the fulcrum to the force point is the longest. Therefore, the branch line cover 1 can be lifted with a minimum force.

  Furthermore, the worker can fix the branch line cover 1 to the branch line L by using the fixing member 12 at a position where the worker's hand can easily reach by holding the wall portion 16b side of the first half cylinder 10a. Therefore, the operation of fixing the branch line cover 1 to the branch line L can be easily performed.

  Further, according to the present embodiment, when the worker hooks the hooking member 14 to the branch line L, the periphery of the branch line L is surrounded by the hooking member 14, so that the branch line cover is provided after the worker hooks the hooking member 14 to the branch line L. When lifting 1, it is possible to prevent the hook member 14 from coming off the branch line L.

  Further, according to the present embodiment, for example, the operator rotates the cam 32 clockwise about the rotation axis S2 in FIG. 6 and then positions the branch line L on the center axis S1, and then the cam 32 The branch line cover 1 can be fixed to the branch line L simply by releasing the hand.

Therefore, the branch line cover 1 can be easily fixed to the branch line L, and the efficiency of attachment work can be improved.
Further, since the torsion coil spring 34 applies a force that rotates counterclockwise in FIG. 6 to the cam 32, the branch cover 1 is set to the branch line L so that the hook member 14 is located above the fixed member 12. By attaching, the branch line cover 1 attached to the branch line L can be easily pushed up to an arbitrary height position, and further, the branch line cover 1 can be prevented from slipping off from the branch line L. .

  Moreover, according to this embodiment, when fixing the branch line cover 1 to the branch line L, the convex part of the outer peripheral surface 32a bites into the branch line L, so that the branch line L can be pressed against the contact surface 30a with a larger force. The branch line cover 1 can be more firmly fixed to the branch line L.

  Moreover, according to this embodiment, the 1st, 2nd half cylinder 10a, 10b can be hold | maintained in the state which joined the division | segmentation surfaces 15a and 15b only by fitting the protrusion part 20b in the hole 20a. Therefore, the branch line cover 1 can be quickly attached.

By the way, in the conventional branch line cover, when the outer diameter of the branch line L is too large to be positioned on the central axis S1, the fixing member must be replaced.
However, according to the present embodiment, in the plate member 30, the fixing member 12 is removed by removing a portion adjacent to the groove 30 j out of both longitudinal side ends 30 h and 30 i of the first half cylinder 10 a with pliers or the like. The branch line L can be positioned on the central axis S1 without replacement.

  In the present embodiment, the hole 20a and the protrusion 20b correspond to a holding member, the contact surface 30a, the contact piece 30b, the elastic member 30c, and the ribs 30f and 30g correspond to a support member, and a torsion coil spring Reference numeral 34 corresponds to an urging member.

  Next, the branch line cover of 2nd Embodiment is demonstrated using FIG. In addition, FIG. 7 is explanatory drawing explaining the structure of the hook member 40 of 2nd Embodiment. Moreover, in FIG. 7, since the same code | symbol is attached | subjected about the structure similar to 1st Embodiment, description is abbreviate | omitted.

As compared with the branch line cover 1 of the first embodiment, the branch line cover of the second embodiment is provided with a hook member 40 instead of the hook member 14.
That is, as shown in FIG. 7, the hook member 40 of the second embodiment is formed on the wall portion 16a of the first half cylinder 10a, and extends from the wall portion 16a in the longitudinal direction of the first half cylinder 10a. It consists of a pair of extension part 40a, 40b extended outside along.

  The extended portion 40a and the extended portion 40b are disposed so as to sandwich the groove portion formed in the wall portion 16a, and the distance between the extended portion 40a and the extended portion 40b is determined from the outer diameter of the branch line L. It is also made narrower.

  In addition, a handle 40c is formed at the distal end of the extended portion 40a and extends on the opposite side to the extended portion 40b side. The distal end of the extended portion 40b extends on the opposite side from the extended portion 40a side. A handle 40d is formed.

  According to the branch line cover of the second embodiment as described above, the opened branch line cover is placed between the extended portions 40a and 40b so that the wall portion 16a side is higher than the wall portion 16b side. By pushing the branch line L, the hook member 40 can be hooked on the branch line L.

For this reason, the branch line cover of 2nd Embodiment can also acquire the effect similar to 1st Embodiment.
Moreover, according to the branch line cover of 2nd Embodiment, since the handle 40c, 40d is formed in the hook member 40, carrying of a branch line cover becomes easy.

  Next, the branch line cover of 3rd Embodiment is demonstrated using FIG. In addition, FIG. 8 is explanatory drawing explaining the structure of the hook member 50 of 3rd Embodiment. Moreover, in FIG. 8, since the same code | symbol is attached | subjected about the component similar to 1st Embodiment, description is abbreviate | omitted.

The branch line cover of the third embodiment is provided with a hooking member 50 instead of the hooking member 14 as compared with the branch line cover 1 of the first embodiment.
That is, as shown in FIG. 8, the hook member 50 of the third embodiment is formed on the wall portion 16a of the first half cylinder 10a, and extends from the wall portion 16a in the longitudinal direction of the first half cylinder 10a. A handle 50a extending outwardly in a U shape is provided.

  The handle 50a extends from the groove 16c formed in the wall 16a to the base 15c side from the connecting member 18 side, and a protruding portion 50b protruding toward the connecting member 18 is formed at the tip.

  Further, the wall portion 16a is formed with a groove portion 50c for fitting the protruding portion 50b closer to the base portion 15c than the groove portion 16c. When the protruding portion 50b is fitted into the groove portion 16c, the wall portion 16a is locked by the wall on the second half cylinder 10b side (that is, the wall on the second half cylinder 10b side when the branch line cover is closed).

  According to the branch line cover of the third embodiment as described above, the branch line L is arranged between the handle 50a and the groove part 16c in a state where the protruding part 50b is removed from the groove part 50c, and the branch line L is placed in the groove part 16c. The hooking member 50 can be hooked on the branch line L by making it contact and fitting the protrusion 50b into the groove 50c in this state.

For this reason, the branch line cover of 3rd Embodiment can also acquire the effect similar to 1st Embodiment.
Moreover, according to the branch line cover of 3rd Embodiment, since the hooking member 50 is the handle 50a, carrying of a branch line cover becomes easy.

  Further, according to the branch line cover of the third embodiment, when the hooking member 50 is hooked on the branch line L, since the protruding portion 50b is locked by the wall portion 16b, the protruding portion 50b can be easily removed from the groove portion 50c. It is possible to prevent the hook member 50 from being detached (that is, the hook member 50 is easily detached from the branch line L).

As mentioned above, although embodiment of this invention was described, it cannot be overemphasized that this invention can take a various form.
In the said embodiment, although this invention was applied to the branch line cover for preventing that a vine plant winds around the branch line L and climbs, not only this but the branch line cover which covers the branch line L may be used. For example, you may apply to the branch line cover formed in the simple cylindrical shape in which wall part 16a, 16b is not provided.

It is an external view showing the state in which the branch line cover of 1st Embodiment is attached to the branch line. It is an expanded view showing the state by which the branch line cover of 1st Embodiment was opened. It is sectional drawing showing the state which the protrusion part fitted with the hole. It is explanatory drawing explaining the structure of a fixing member. It is a top view of a hook member. It is explanatory drawing explaining the operation | work which fixes a branch line cover to a branch line in the attachment work of a branch line cover. It is explanatory drawing explaining the structure of the hook member of the branch line cover of 2nd Embodiment. It is explanatory drawing explaining the structure of the hook member of the branch line cover of 3rd Embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Branch line cover, 10a ... 1st half cylinder, 10b ... 2nd half cylinder, 12 ... Fixing member, 14, 40, 50 ... Hook member, 14a ... Extension part, 14b ... Locking piece, 14c ... Space , 15a, 15b ... division surface, 16a, 16b ... wall part, 16c ... groove part, 18 ... coupling member, 20a ... hole, 20b ... projecting part, 30 ... plate member, 30a ... contact surface, 30b ... contact piece, 30c ... elastic member, 30d, 30e ... strut, 30f, 30g ... rib, 30j ... groove, 32 ... cam, 32a ... outer peripheral surface, 32b ... opposite position, 32c ... elastic member, 32d ... handle, 34 ... torsion coil spring, 36 ... Reinforcing members, 40a, 40b ... extended portion, 40c, 40d ... handle, 50a ... handle, 50b ... projecting portion, 50c ... groove portion, L ... branch line, P ... utility pole, S1 ... central axis, S2 ... rotating shaft.

Claims (5)

A long cylindrical member divided into two along its central axis, first and second half cylinders;
The first half-cylinder is provided on the inner peripheral side of the first half-cylinder so that a branch line of a utility pole is located along a central axis of a cylindrical member made of the first and second half-cylinders. A fixing member for fixing to the branch line;
A holding member that holds the first and second semi-cylinders in a state in which the divided surfaces of the first and second half-cylinders are joined together;
A branch line cover with
The first is provided in the longitudinal direction of the one end of the semi-cylindrical body, at a position apart by a predetermined distance in the longitudinal direction of the half-cylindrical body from the fixed member comprises a hook member which can catch on the branch line,
The hook member is
An extending portion extending outward along the longitudinal direction from the first half cylinder;
A locking piece that is formed at the tip of the extended portion and bent toward the extended portion so that the hooking member can surround the periphery of the branch line;
Branch cover, characterized in that it consists of. The fixing member, branch cover as claimed in claim 1, characterized in that provided at the end opposite to the hook member side of the first semicylindrical member. The fixing member is
A contact surface fixed to the first half cylinder and contacting a branch line arranged along the central axis, and a contact contacting the branch line contacting the contact surface and positioning the branch line on the central axis A support member having a piece;
A cam provided at a position opposed to the contact surface and rotatable about a rotation axis perpendicular to the longitudinal direction of the first half cylinder and parallel to the contact surface;
With
As the cam rotates about the rotation axis in a direction in which the outer peripheral surface moves from the position facing the contact surface to the hooking member, the distance between the position facing the contact surface becomes narrower. Is formed,
Further, the fixing member is provided with a biasing member that applies a force to the cam in a direction in which the outer peripheral surface moves from the facing position toward the hooking member with the rotation shaft as a center. The branch line cover according to claim 1 or 2, characterized in that. The branch line cover according to claim 3 , wherein the outer peripheral surface of the cam is formed in an uneven shape. The first and second half cylinders are connected via a connecting member at one end in the circumferential direction of the first and second half cylinders so that the branch line cover can be opened and closed.
The holding member is detachably joined to the first and second half cylinders at an end of the first and second half cylinders opposite to the connection member side. The branch line cover according to any one of claims 1 to 4 .

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