JP2009002481A - Nut - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a nut easy to start operation for screwing to a screw member formed with screw thread. <P>SOLUTION: In this nut 1 comprising a hole part 2 and to be screwed to a screw member 100 formed with screw thread, the hole part 2 comprises: a screw part 3 formed with corresponding screw thread so as to be screwed to the screw member 100; and a guide part 5 formed so that an opening becomes wider as it comes from the screw part 3 toward one opening end 4, and guiding the screw member 100. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a nut that is screwed to a screwing member (for example, a bolt) on which a screw is formed.

  Conventionally, a substantially hexagonal column-shaped nut having a hole portion in which a screw is formed at a central portion is known. Then, for example, in order to screw a nut into a bolt on which a screw is formed, the screw end is brought into contact with the opening end of the nut and then screwed from the starting points of the bolt and the nut screw. The start operation is required.

  However, it is very difficult to perform the screwing start operation directly by hand instead of directly using a tool such as a spanner or a wrench because fine adjustment is not easy.

  Therefore, in view of such circumstances, an object of the present invention is to provide a nut capable of easily starting operation to be screwed into a screwing member on which a screw is formed.

  The nut according to the present invention has a hole, and is a nut that is screwed into a screwing member in which a screw is formed. The screwing part in which a corresponding screw is formed in the hole and screwed into the screwing member And a guide portion that is formed so that the opening is widened from the screwing portion toward one opening end portion and can guide the screwing member.

  According to the present invention, when the nut is screwed into the screwing member on which the screw is formed, the screwing member can be guided by the guide part whose opening is widened toward one opening end, and thus the screwing member is screwed. It becomes easy to guide to the mating part, and as a result, it is possible to easily start the screwing operation to the screwing member on which the screw is formed.

  Further, in the nut according to the present invention, it is accommodated in the accommodating portion with respect to the tool provided with the convex portion or the concave portion in the accommodating portion which is used to be screwed to the screwing member and at least a part is accommodated. In this state, a concave portion or a convex portion that can be locked to the convex portion or the concave portion of the accommodating portion may be provided on the outer peripheral portion of the portion accommodated in the accommodating portion. According to such a configuration, since the concave portion or the convex portion of the nut is locked by the convex portion or the concave portion of the tool housing portion, the tool housing portion may face in any direction (even if tilted or faced downward). ), The nut can be prevented from being detached and dropped from the tool housing.

  Further, in the nut according to the present invention, a tool provided with a housing portion that is used to be screwed into the screwing member and that is partially housed is hooked on the housing portion in a state of being housed in the housing portion. You may provide the latching part which can be stopped in the outer peripheral part of the site | part which protrudes from an accommodating part. According to this configuration, when the nut is accommodated in the tool accommodating portion, the retaining portion provided at the portion of the nut protruding from the accommodating portion is latched by the tool accommodating portion, so that the nut is held (gripped) by the tool. Easy to do.

  Moreover, in the nut concerning this invention, it is accommodated in an accommodating part with respect to the tool by which a convex part or a recessed part is provided in the accommodating part used for being screwed together by a screwing member. The concave portion or the convex portion that can be locked to the convex portion or concave portion of the accommodating portion in the state is provided on the outer peripheral portion of the portion accommodated in the accommodating portion, and the latch that can be latched on the accommodating portion while being accommodated in the accommodating portion You may equip the outer peripheral part of the site | part which protrudes from a storage part with a part. According to such a configuration, for example, when the nut is gripped by hand, the finger can be hooked on the hooking portion of the nut, so that it is possible to prevent the nut from being accidentally dropped when being housed in the tool housing portion. Furthermore, after the tool is accommodated in the tool accommodating portion, the concave portion or the convex portion of the nut is locked by the convex portion or the concave portion of the tool accommodating portion. It is possible to prevent the nut from coming off and falling.

  Further, in the nut according to the present invention, the guide portion is formed at a portion adjacent to the screwing portion with the same or substantially the same diameter as the valley of the screwing portion, and the same as the axis of the screwing portion. Or you may provide the axial alignment part which is formed in the substantially the same axis line and makes the axis line of a screwing member and a screwing part correspond or substantially correspond. According to this configuration, since the nut can be screwed into the screwing member, the screwing member can be guided to the screwing part in a state where the screwing part and the axis coincide with each other by the shaft matching part. The starting operation of screwing the screwing portion into the member can be further facilitated.

  In the nut according to the present invention, one open end portion may include a flange portion and may be formed in a planar shape that is orthogonal or substantially orthogonal to the axis of the threaded portion. According to such a configuration, for example, in the case where the base material is brought into contact with one end of the opening and tightening (screwing) is completed, the area in contact with the base material is larger than that in the case where the base is not provided. Therefore, the load applied per unit area of the end can be reduced, and as a result, the design strength of the end can be reduced.

  The screwing member according to the present invention is accommodated in a state in which the screw is formed in the housing part with respect to a tool in which a convex part or a concave part is provided in the housing part in which at least a part is housed. A concave portion or a convex portion that can be locked to the convex portion or the concave portion of the portion is provided on the outer peripheral portion of the portion that is accommodated in the accommodating portion. According to such a configuration, since the concave portion or the convex portion of the screwing member can be locked by the convex portion or the concave portion of the tool housing portion, the tool housing portion can be screwed from the tool housing portion regardless of the direction. It is possible to prevent the member from falling off the member.

  A tool according to the present invention is used for screwing together a pair of screwing members on which a screw is formed, and a tool including a housing part that houses at least a part of one screwing member. Providing a protrusion or recess that can be locked to the recess or protrusion of the screwing member in a state in which the screwing member is accommodated with respect to the screwing member having a recess or protrusion on the outer periphery of the portion to be stored. Features. According to this configuration, when the screwing member is accommodated in the accommodating portion, the concave portion or the convex portion of the screwing member can be locked by the convex portion or the concave portion of the accommodating portion, so that the tool accommodating portion faces in any direction. It is possible to prevent the screwing member from falling off the accommodating portion and falling.

  An insulating operating rod according to the present invention is used to screw together a pair of screwing members on which a screw is formed, and insulates the receiving unit from at least a part of one screwing member and the receiving unit. In the insulating operation rod including the rod-shaped insulating portion, the accommodating portion is a concave portion of the screwing member in a state in which the screwing member is accommodated with respect to the screwing member having the concave portion or the convex portion on the outer peripheral portion of the portion to be accommodated. Or it has the convex part or recessed part which can be latched to a convex part, It is characterized by the above-mentioned. According to this configuration, when the screwing member is accommodated in the accommodating portion, the concave portion or the convex portion of the screwing member can be locked by the convex portion or the concave portion of the accommodating portion, so that the tool accommodating portion faces in any direction. It is possible to prevent the screwing member from falling off the accommodating portion and falling.

  The tip tool of an insulating operation rod according to the present invention is an insulation used for screwing together a pair of screwing members fixed to the tip of an insulating operation rod used for indirect hot-wire work and forming a screw. The tool tip of the operating rod includes a housing portion that houses at least a part of one of the screwing members and a fixing portion that is fixed to the tip portion of the insulating operation rod. It is characterized by providing the screwing member provided with a convex part or a concave part that can be locked to the concave part or the convex part of the screwing member in a state in which the screwing member is accommodated. According to this configuration, when the screwing member is accommodated in the accommodating portion, the concave portion or the convex portion of the screwing member can be locked by the convex portion or the concave portion of the accommodating portion, so that the tool accommodating portion faces in any direction. It is possible to prevent the screwing member from falling off the accommodating portion and falling.

  Therefore, in order to screw the nut into the screwing member on which the screw is formed, the screwing member can be guided by the guide portion whose opening is widened toward the opening end portion, so that the screwing member is guided to the screwing portion. As a result, there is an excellent effect that the starting operation of screwing into the screwing member on which the screw is formed can be easily performed.

  Hereinafter, an embodiment of a nut (screwing member) and a tool according to the present invention will be described with reference to the accompanying drawings. Specifically, as shown in FIG. 1, in order to fix the insulator X for supporting the cable to the arm metal Y supported by the utility pole, the screwing member 100 provided on the insulator X and formed with a screw. A case where the nut 1 is screwed with the tool 21 will be described.

  As shown in FIG. 2, the nut 1 according to the present embodiment includes a hole portion 2, and a screwing portion 3 in which a screw corresponding to the screwing member 100 to be screwed is formed in the hole portion 2, and a screw. And a guide portion 5 that is formed so that the opening widens from the joint portion 3 toward the one open end portion 4 and can guide the screwing member 100. Specifically, the nut 1 includes a hole portion 2 formed in a straight line at the center, and the inner edge of the cross section in a plane orthogonal to the axis of the screwing portion 3 expands toward one opening end. It is formed in a circular shape.

  In addition, the nut 1 is used to be screwed to the screwing member 100, and a tool 21 ("tool 21", "housing part", and "housing part" provided with a convex part in the housing part in which at least a part is accommodated. The details of the “convex portion” will be described later), whereas the outer peripheral portion 7 of the portion accommodated in the accommodating portion includes a plurality of recesses 6, which can be locked to the convex portion of the accommodating portion in a state of being accommodated in the accommodating portion. Prepare for. In addition, the nut 1 is provided with a latching portion 8 that can be latched (locked) to the housing portion in a state of being housed in the housing portion on the outer peripheral portion 7 of the portion protruding from the tool housing portion.

  Further, the nut 1 is formed in a planar shape in which one opening end portion 4 includes a flange portion 9 and is orthogonal or substantially orthogonal to the axis of the screwing portion 3. Specifically, one opening end portion 4 of the nut 1 is provided with the flange portion 9 so that the outer peripheral length in a cross section orthogonal or substantially orthogonal to the axial direction of the screwing portion 3 is maximized. Is done. One opening end 4 is formed so that the thickness (width) dimension in the cross section orthogonal or substantially orthogonal to the axial direction of the screwing portion 3 is maximized.

  The guide portion 5 is formed in a portion adjacent to the screwing portion 3 with the same or substantially the same diameter as the valley of the screwing portion 3, and has the same or substantially the same axis as the axis of the screwing portion 3. A shaft alignment portion 5a that is formed and matches or substantially matches the axes of the screw member 100 and the screw portion 3 is provided. In addition, the guide portion 5 is configured such that one opening end 4 side of the shaft alignment portion 5 a gradually increases the inner diameter of the nut 1 toward the one opening end 4. And the guide part 5 does not have a screw or an unevenness | corrugation, and the surface is formed smoothly.

  The shaft alignment portion 5 a is configured such that the inner diameter dimension of the nut 1 is formed larger than the outer diameter dimension of the portion to be screwed with the screwing member 100. Specifically, the shaft alignment portion 5a is configured to be able to loosely fit a portion where the screw of the screwing member 100 is formed. Further, when the screwing member 100 is guided, the shaft aligning part 5a has a predetermined distance in the axial direction of the screwing part 3 so that the axes of the screwing member 100 and the screwing part 3 are the same or substantially the same.

  The concave portions 6 are arranged at substantially the same position with respect to the axial direction of the screwing portion 3. Further, the recesses 6 are respectively provided on six outer wall portions in the outer peripheral portion 7 of the nut 1 in which the other opening end portion 10 side is formed in a substantially hexagonal column shape. Specifically, the recess 6 is provided so as to be recessed in a semi-spherical shape.

  The latching portion 8 is formed and configured such that the outer edge of the nut 1 increases toward the one open end 4 side. Specifically, the latching portion 8 is formed so that the outer peripheral length of the nut 1 in a cross section orthogonal or substantially orthogonal to the axial direction of the screwing portion 3 becomes longer toward the one opening end 4 side. Is done. More specifically, the latching portion 8 is configured by forming a portion of the nut 1 on the side of one opening end 4 so as to have a truncated cone shape whose diameter gradually increases toward the one opening end 4. .

  As shown in FIG. 3, the tool 21 according to the present embodiment is fixed to the insulating operation rod 22 used for indirect hot-wire work and the distal end portion of the insulating operation rod 22, and the screwing member 100 and the nut 1. And a tip tool 23 used for screwing together.

  The insulating operation rod 22 includes a fixing means 24 for fixing the tip tool 23 to one tip portion, a rod-like insulating portion 25 for (electrically) insulating the tip tool 23 and the fixing means 24, and the other one from the insulating portion 25. A handle portion 26 that is gripped by an operator is provided on the distal end side. Further, the insulating operation rod 22 includes a safety limit rod 27 for protecting an operator between the insulating portion 25 and the grip portion 26. Further, the insulating operation rod 22 includes a water drain rod 28 for preventing the rainwater transmitted from one end portion side from being transmitted to the handle portion 26 at the time of work after precipitation, for example.

  The tip tool 23 includes a housing portion 29 that houses at least a part of the nut 1 and a fixing portion 30 that is fixed to the tip portion of the insulating operation rod 22. Specifically, as shown in FIGS. 4 to 6, the tip tool 23 forms a receiving portion 29 by providing a concave receiving portion formed in a shape corresponding to the nut 1 to be received. More specifically, the tip tool 23 constitutes the accommodating portion 29 by providing a concave accommodating portion having a substantially hexagonal column shape.

  Further, the tip tool 23 is configured to be able to rotate the accommodating portion 29, and is configured to be able to rotate the nut 1 by contacting (engaging) the accommodating portion 29 and the nut 1. Specifically, the tip tool 23 includes a ratchet mechanism that rotates the accommodating portion 29 only in one of the selectable forward and reverse directions, and the inner peripheral portion of the rotating accommodating portion 29 and the outer peripheral portion of the nut 1 that is accommodated. 7 is brought into contact (engaged), and the nut 1 is rotated so that it can be screwed into the screwing member 100.

  The accommodating portion 29 is a plurality of convex portions 31 that can be engaged with the concave portions 6 of the nut 1 in a state in which the nut 1 is accommodated with respect to the nut 1 having the concave portions 6. , ... are provided. Specifically, the accommodating portion 29 includes a plurality of convex portions 31,... On the inner peripheral portion facing the outer peripheral portion 7 of the nut 1 including the plurality of concave portions 6. More specifically, the accommodating portion 29 includes convex portions 31,... On six inner wall portions constituting a concave accommodating portion having a substantially hexagonal column shape.

  The convex portion 31 is formed in a shape in which a part of the sphere protrudes corresponding to the concave portion 6 of the nut 1 formed in a hemispherical shape. Moreover, the convex part 31 is comprised so that a displacement with respect to the direction to protrude is possible. Specifically, the convex portion 31 is formed in a direction orthogonal or substantially orthogonal to a direction in which the nut 1 is inserted when the nut 1 is accommodated in the accommodating portion 29, that is, the inner peripheral portion of the accommodating portion 29 and the accommodated nut. 1 part is comprised so that a displacement in the direction which opposes is possible. More specifically, the protruding portion 31 corresponds to a protruding portion of a spherical member 33 configured to be partially protruded from an opening 32 provided in the inner peripheral portion of the accommodating portion 29.

  The opening 32 is configured by an end portion of a ball housing portion 34 that is gradually reduced in diameter toward the inner peripheral portion of the housing portion 29. Further, the spherical member 33 is configured such that a part of the spherical member 33 can protrude from the opening 32 by expansion and contraction of an elastic body 35 (for example, a spring) disposed on the side opposite to the opening 32 inside the ball housing portion 34. Therefore, in order to accommodate the nut 1 in the accommodating portion 29 of the tip tool 23, the convex portion 31 is configured to be displaceable (sliding) along the outer peripheral portion 7 of the nut 1 to be inserted.

  The configuration of the nut 1 and the tool 21 according to the present embodiment is as described above. Next, the operation of screwing the nut 1 onto the screwing member 100 using the nut 1 and the tool 21 will be described.

  First, when the nut 1 is to be gripped by hand to accommodate the nut 1 in the accommodating portion 29 of the tool 21, the latching portion 8 provided on the outer peripheral portion 7 of the nut 1 can be latched. Specifically, when the nut 1 is to be gripped by a hand wearing a thick glove with the axis of the screwing portion 3 in the vertical direction, the latching portion 8 provided on the outer peripheral portion 7 of the nut 1 is moved downward (the other side). The nut 1 can be gripped in a stable state even by a hand with a thick glove because it can be hooked and gripped by the hand (finger) from the open end side 10).

  And when accommodating the nut 1 in the accommodating part 29 of the tip tool 23, since the convex part 31, ... provided in the inner peripheral part of the accommodating part 29 displaces along the outer peripheral part 7 of the nut 1, it accommodates smoothly. (Insert) is possible. And when the other opening edge part 10 side of the nut 1 is accommodated in the accommodating part 29, the recessed part 6, ... provided in the outer peripheral part 7 of the nut 1 will be the convex part 31, provided in the accommodating part 29 of the tip tool 23, Locked to….

  Thereafter, in order to screw the nut 1 into the screwing member 100, the screwing member 100 is inserted into the hole 2 from one opening end 4 side, and the opening widens toward the one opening end 4 ( The screw member 100 is guided by the guide portion 5 (the opening is narrowed toward the inside). Specifically, the end portion of the screwing member 100 is brought into contact with the guide portion 5 and is further slidably contacted with the guide portion 5 to be guided. At that time, the nut 1 may be displaced (rotated) with the contacting portion as a fulcrum, and the end of the screwing member 100 may be inserted into the hole 2.

  Further, when the screwing member 100 is guided by the guide portion 5, the screwing member 100 is guided to the shaft alignment portion 5a. Then, when the screwing member 100 is guided along the shaft alignment part 5a, the screwing member 100 can be guided to the screwing part 3 in a state where the axes of the screwing member 100 and the screwing part 3 are matched or substantially matched. Specifically, the screwing member 100 is slidably brought into contact with the shaft alignment portion 5 a and guided to the screwing portion 3. More specifically, the screwing member 100 is loosely fitted to the shaft alignment portion 5a.

  When the screwing portion 3 is screwed into the screwing member 100, the lower surface of the arm metal Y comes into contact with one opening end portion 4 of the nut 1, and the lever X is fixed to the arm metal Y. At that time, the opening end 4 of the nut 1 has a larger area in contact with the lower surface of the arm metal Y, compared to the case where the one opening end 4 is not provided with the flange 9, and thus it takes up per unit area. The load becomes smaller.

  As described above, the nut 1 according to the present embodiment is configured to guide the screwing member 100 with the guide portion 5 whose opening is widened toward the one opening end portion 4, so that the screwing member 100 is inserted into the hole portion 2. As a result, the screwing member 100 can be easily guided to the screwing portion 3. Therefore, the start operation of screwing the screwing portion 3 into the screwing member 100 can be easily performed.

  Moreover, since the recessed part 6 ... provided in the outer peripheral part 7 is latched by the convex part 31 ... provided in the accommodating part 29 of the tip tool 23, the nut 1 concerning this embodiment is, The accommodating part of the tip tool 23 Even if 29 inclines or faces downward, it can be prevented that the tip tool 23 is detached from the accommodating portion 29 or dropped.

  Moreover, since the nut 1 concerning this embodiment is provided with the latching | locking part 8 in the outer peripheral part 7, if it hold | grips by hand, although it accommodates in the accommodating part 29 of the tool 21, from the other opening end part 10 side. Since the latching portion 8 is latched, it is gripped in a stable state, and as a result, it is accommodated in the accommodating portion 29 of the tool 21 without being accidentally dropped.

  Furthermore, for example, as shown in FIG. 7, when the screw 41 is screwed into the screwing member 100 with a tool 41 including a receiving portion 40 constituted by a flat inner wall portion without unevenness, the latching portion 8 is placed in the receiving portion 40. And is held by the tool in a stable state. Specifically, the latching portion 8 is latched with the other open end 10 side being brought into contact with the upper surface side of the tool 41 (accommodating portion 40).

  Moreover, since the nut 1 according to the present embodiment is configured to guide the screwing member 100 along the shaft alignment portion 5a, the nut 1 is screwed in a state where the axes of the screwing member 100 and the screwing portion 3 are coincident or substantially coincident with each other. Since the joining member 100 can be guided to the screwing portion 3, as a result, the start operation of screwing the screwing member 100 into the screwing portion 3 can be further facilitated.

  Moreover, since the nut 1 concerning this embodiment is equipped with the collar part 9 in one opening edge part 4, compared with the case where the collar part 9 is not provided, the load concerning the unit area in the opening edge part 4 is applied, for example. As a result, the design strength of the open end 4 can be reduced.

  Further, for example, the outer diameter of one open end 4 of the nut 1 with respect to the inner diameter of the hole inserted into the screwing member 100 provided on the lower surface side (side contacted with the nut 1) of the arm metal Y. Is small, a part of one open end 4 may enter the hole of the armrest Y, and the fixing state of the insulator X by the nut 1 may become unstable. However, by providing the flange 9 on one opening end 4, this possibility can be reduced, and the inner diameter of the hole of the armor Y (base material) can be flexibly handled.

  In addition, the nut and tool of the present invention are not limited to the above-described embodiments, and various changes can be made without departing from the scope of the present invention.

  The nut according to the present invention may be provided with a locking means at one open end 4 in the nut 1. Specifically, as shown in FIGS. 8A and 8B, one open end portion includes elastic portions 42 and 43 that restrict the loosening prevention by an elastic action, for example, a spring washer. Well, as shown in FIG. 8 (c), for example, like a chrysanthemum, it may be provided with projections 44,... For restricting rotation in the direction of loosening by biting into the brace Y (base material), Further, it may be made of a magnetic material so as to be fixed to the magnetic armor Y (base material).

  Moreover, although the nut 1 concerning the said embodiment demonstrated the case where the outer peripheral part 7 of the site | part by the side of the other opening end part 10 side is provided with several recessed parts 6, ... from the latching part 8, shape, number, and are provided. About a site | part etc., it is not limited to this case. Specifically, as shown in FIG. 9 (a), it may be a continuous shape over the outer periphery of the nut 45, that is, a recess 46 formed in an annular groove shape, as shown in FIG. 9 (b). Moreover, the recessed part 49 provided in the site | part which comprises the latching part 48 in the outer peripheral part of the nut 47 may be sufficient, and the recessed part comprised by the through-hole which continues from an outer peripheral part to a hole part may be sufficient.

  Moreover, although the nut 1 concerning the said embodiment demonstrated the case where the outer peripheral part 7 was equipped with the recessed part 6 ... which can be latched to the convex part 31, ... provided in the accommodating part 29 of the tool 21, FIG. ), The outer periphery of the nut 51 may be provided with protrusions 50,... That can be locked to recesses (not shown) provided in the tool housing.

  Moreover, although the tool 21 concerning this embodiment demonstrated the case where the nut 1 provided with the recessed part 6, ... in the outer peripheral part 7 was screwed together, the screwing member accommodated in the accommodating part 29 is not restricted to the nut 1. FIG. For example, as shown in FIG. 10 (a), the convex portions 31,... Of the accommodating portion 29 are engaged with the concave portions 54 provided on the outer peripheral portion 53 of the bolt 52, and the bolt 52 is screwed to another screw member. You may let them. In short, the convex portions 31,... Provided in the accommodating portion 29 are engaged with the concave portions provided in the portion of the screwing member accommodated in the accommodating portion 29, and the screwing member is screwed into another screwing member. Also good.

  Moreover, although the tool 21 concerning this embodiment demonstrated the case where the accommodating part 29 was provided with the convex part 31 ... which can be latched to the recessed part 6, ... provided in the outer peripheral part 7 of the nut 1, the outer peripheral part of a nut A concave portion that can be locked to a convex portion (for example, the convex portion 50 of the nut main body 51 in FIG. 9C) provided in the housing may be provided in the housing portion. In short, the concave portion provided in the accommodating portion may be locked to the convex portion provided in the portion of the screwing member accommodated in the accommodating portion, and the screwing member may be screwed into another screwing member.

  Moreover, although the tool 21 concerning this embodiment demonstrated the case where the convex part 31 was displaced by the displacement of the spherical member 33, it is not limited to this case. For example, as shown in FIG. 10B, in a tool 58 (monkey wrench 58) having a fixed jaw 56 fixed to the tool body 55 and a movable jaw 57 that can be displaced relative to the fixed jaw 56, the fixed jaw 56 and The convex portions 59 and 60 provided on the movable jaw 57 may be configured to be engageable with a concave portion (for example, the concave portion 54 of the bolt 52 in FIG. 10A) provided on the outer peripheral portion of the screwing member. Further, for example, at least a part of the convex portion of the accommodating portion or the inner peripheral portion of the accommodating portion is formed of an elastic body (for example, rubber), and deforms along the outer peripheral portion 7 of the nut 1 when accommodating the nut 1. By doing so, it may be configured to be displaceable.

  Moreover, although the tool 21 concerning this embodiment demonstrated the case where the front-end tool 23 provided with the accommodating part 29 was fixed to the front-end | tip part of the insulation operating rod 22, the accommodating part of the nut 1 was attached to the front-end | tip part of the insulating operating rod. You may prepare.

  In the tool according to the present invention, the insulating operating rod is configured such that the tip end portion is rotatable in the circumferential direction, and is fixed to the tip end portion of the insulating operating rod via the fixing portion 61 as shown in FIG. The tip tool 62 is provided with a transmission part 64 that transmits the rotation of the tip part of the insulating operation rod to the accommodation part 63 and rotates the accommodation part 63, and the transmission part 64 is the accommodation part 63 with respect to the axis of the insulation operation rod. The angle of the rotation axis may be adjustable. Specifically, the transmission part 64 has flexibility, transmits the rotation of the tip of the insulating operation rod to the accommodation part 63, and the accommodation part and the accommodated nut (screwing member) come into contact with each other. The accommodating portion 63 may be configured to be rotatable in a direction in which the nut is rotated (in engagement).

  More specifically, the transmission portion 64 has a flexible inner core portion 65 and an outer peripheral portion of the inner core portion 65 (in FIG. 11, a spiral shape) to reinforce the strength of the inner core portion 65. B) a flexible outer core portion 66 disposed therein, and a flexible cylinder that accommodates the inner core portion 65 and the outer core portion 66 therein so as to cover the inner core portion 65 and the outer core portion 66. And at least the inner core portion 65 rotates along with the rotation of the distal end portion of the insulating operation rod, whereby the rotation of the distal end portion of the insulating operation rod is transmitted to the accommodation portion 63 to rotate the accommodation portion 63. It may be configured to be possible. According to such a configuration, the accommodating portion 63 can be bent in any direction with respect to the axis of the insulating operation rod, and the rotation axis can be adjusted at any angle.

BRIEF DESCRIPTION OF THE DRAWINGS It is a general view of the nut concerning one Embodiment of this invention, and the principal part schematic of a tool, Comprising: The front view is shown. BRIEF DESCRIPTION OF THE DRAWINGS It is a general view of the nut, (a) is a top view, (b) is a front view, (c) is sectional drawing in the AA of (a), (d) shows a bottom view. It is the principal part schematic of the tool, Comprising: (a) is a front view, (b) shows a side view. It is a principal part schematic of the tip tool of the tool, and shows a perspective view. It is the general view of the nut, and the principal part schematic of a tool, Comprising: (a) is a front view in the state which the convex part of the storage part of the tool entered, (b) is the cross section in the BB line of (a). The figure is shown. It is the general view of the nut and the principal part schematic of a tool, Comprising: (a) is a front view in the state which the convex part of the accommodating part of a tool protrudes, (b) is the cross section in CC line of (a) The figure is shown. It is the whole nut, Comprising: In the state latched with the tool of the accommodating part without a convex part, (a) is a top view, (b) is a front view, (c) shows a bottom view. BRIEF DESCRIPTION OF THE DRAWINGS It is a general view of the example of a change of the nut concerning this invention, Comprising: (a)-(c) shows a front view, respectively. It is a general view of another modification of the nut concerning the present invention, and (a)-(c) shows a front view, respectively. (A) is the whole figure of the example of a change of the screwing member concerning this invention, (b) shows the principal part schematic of the example of a change of the tool concerning this invention. 1 is an overall view of a tip tool of a tool (insulating operation rod) according to the present invention, and shows a cross-sectional view.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Nut, 2 ... Hole part, 3 ... Screwing part, 4 ... One opening edge part, 5 ... Guide part, 5a ... Shaft alignment part, 6 ... Recessed part, 7 ... Outer peripheral part, 8 ... Hook part, 9 DESCRIPTION OF SYMBOLS ... 21: Tool, 22 ... Insulation operation rod, 23 ... Tip tool, 25 ... Insulation part, 29 ... Storage part, 30 ... Fixing part, 31 ... Convex part, 52 ... Screwing member, 100 ... Screwing member

Claims (10)

  In a nut having a hole and screwed into a screwing member in which a screw is formed, a screwing part in which a corresponding screw is formed in the hole and screwed into the screwing member, and one from the screwing part A nut comprising: a guide portion that is formed so that the opening is widened toward an opening end portion of the screw and capable of guiding the screwing member.   Convex portion or concave portion of the accommodating portion in a state of being accommodated in the accommodating portion with respect to a tool provided with a convex portion or a concave portion in the accommodating portion that is used to be screwed to the screwing member and at least partially accommodated The nut according to claim 1, further comprising a concave portion or a convex portion that can be locked to the outer peripheral portion of a portion that is accommodated in the accommodating portion.   With respect to a tool including a housing portion that is used to be screwed to the screwing member and that is partially housed, a hooking portion that can be hooked on the housing portion in a state of being housed in the housing portion is removed from the housing portion. The nut according to claim 1, which is provided on the outer peripheral portion of the protruding portion.   With respect to a tool in which a convex portion or a concave portion is provided in a housing portion that is used to be screwed into a screwing member and is accommodated in a part, the convex portion or the concave portion of the housing portion is accommodated in the housing portion. The outer periphery of the part which protrudes the latching part which can be latched in the accommodating part in the state accommodated in the accommodating part while being provided with the recessed part or convex part which can be locked in the accommodating part The nut according to claim 1 provided in a part.   The guide portion is formed in a portion adjacent to the screw portion with the same or substantially the same diameter as the diameter of the valley of the screw portion, and is formed on the same or substantially the same axis as the axis of the screw portion. The nut according to any one of claims 1 to 4, further comprising an axis alignment portion that matches or substantially matches the axis of the screw member and the screw portion.   One opening edge part is a nut of any one of Claims 1-5 formed in the planar shape orthogonal to or substantially orthogonal to the axis line of a screwing part while providing a collar part.   In a screwing member in which a screw is formed, a tool in which a convex part or a concave part is provided in an accommodating part in which at least a part is accommodated is locked to the convex part or concave part of the accommodating part in a state of being accommodated in the accommodating part A screwing member comprising: a possible concave portion or convex portion on an outer peripheral portion of a portion housed in the housing portion.   A tool used for screwing together a pair of screwing members on which a screw is formed and having a housing part for housing at least a part of one screwing member, the housing part is an outer peripheral part of a part to be housed A tool having a protrusion or recess that can be engaged with the recess or protrusion of the screwing member in a state in which the screwing member is accommodated with respect to the screwing member having a recess or protrusion.   Insulating operation including a housing part that houses at least a part of one screwing member and a rod-like insulating part that is insulated from the housing part, and is used to screw together a pair of screwing members formed with screws. In the rod, the accommodating portion is a convex that can be locked to the concave or convex portion of the screwing member in a state in which the screwing member is accommodated with respect to the screwing member having the concave or convex portion on the outer peripheral portion of the portion to be accommodated. An insulating operation rod comprising a portion or a recess.   One screwing member in a tip tool of an insulating operation rod used for screwing together a pair of screwing members fixed to the tip portion of an insulating operation rod used for indirect hot wire construction and forming a screw And a fixing portion that is fixed to the distal end portion of the insulating operation rod, and is screwed into a screwing member that has a concave portion or a convex portion on the outer peripheral portion of the portion to be accommodated. A tip tool for an insulating operation rod, comprising a convex portion or a concave portion that can be locked to the concave portion or the convex portion of the screwing member in a state in which the member is accommodated.

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