JP2009131919A - Remote operation tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lightweight remote operation tool having a simple structure easily adjustable in the angle according to the direction of a fastener such as a bolt and a nut, and allowing easy fastening or fastening release work with increased operation efficiency even in a narrow workspace. <P>SOLUTION: The remote operation tool comprises: a tool body 1 with a clamping tool 12 attachable to one end; a projecting spherical surface-shaped articulated member 5 lockable to fit at the outside of the other end of the tool body 1 through a lock nut 7; a recessed spherical surface shaped articulated member 8 slidingly fit into an outer peripheral part of the projecting spherical surface shaped member 5; and a biasing spring member 10 windingly around the tool body 1 for normally press-contactingly biasing the recessed spherical surface shaped member 8 against the projecting spherical surface shaped articulated member 5. The remote operation tool is constructed to fasten or release fastening of a desired fastener by the clamping tool 12 with a ratchet mechanism mounted on the tool body 1, by normally and reversely rotating the tool body 1 through the projecting spherical surface shaped articulated member 5, while normally and reversely rotating the recessed spherical surface shaped articulated member 8. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

The present invention relates to a remote control tool, and more specifically, a bolt, a nut, and the like for fixing a structure such as an insulator, a suspension clamp, or a pole transformer arranged on a utility pole to form an overhead distribution line. The present invention relates to a remote control tool used for manually fastening or releasing a fastener by remote control.

Conventionally, as this type of remote operation tool, a cylindrical operation rod having a required length, a rotary drive shaft rotatably provided in the operation rod, and a tip portion of the rotary drive shaft A socket mounting body that is rotatably connected via a gear mechanism, and a rotary operation knob that is attached via a worm gear mechanism to adjust the mounting body to a predetermined angle. It is known (see JP 2004-58196 A).

In the conventional example configured as described above, the socket is attached to the attachment body in accordance with the direction of the bolt or nut to be worked, and the attachment body is adjusted to a predetermined angle by the rotary operation knob. Align the socket with the required bolts and nuts and fit. After that, the rotational drive shaft is manually rotated in a predetermined direction, and a required bolt or nut is fastened or unfastened while rotating the socket together with the mounting body via a gear mechanism.
JP 2004-58196 A

By the way, the conventional example configured as described above can securely tighten or release a required bolt or nut by remote control, but has the following problems.
First of all, since the socket mounting body is rotated by a rotary drive shaft via a gear mechanism, not only is the structure complicated and the size tends to increase, but also the weight tends to increase, resulting in operability. Is a problem.
Secondly, it is relatively easy to increase the size as described above, and therefore, in the narrow work space, the bolt or nut fastening or unfastening operation is not only cumbersome and time-consuming, but also in some cases it is work. May become impossible.
Thirdly, the socket attachment body can only be changed in angle by about 90 degrees from the horizontal state by the rotary operation knob via the worm gear mechanism. For this reason, it is necessary to set the socket itself downward or upward depending on the direction of the bolt or nut to be worked on, and not only the work is very troublesome and troublesome but also the bolt and nut as a whole. It is easy to reduce the work efficiency of the fastening or unfastening work.

The present invention solves the conventional problems, has a simple structure and is lightweight, and not only can the angle be easily adjusted according to the direction of a fastener such as a bolt or nut to be worked, but also a narrow work space. -It is intended to provide a remote control tool capable of easily and efficiently performing a fastening or unfastening operation even under a screw.

In order to achieve the above object, the invention according to claim 1 of the present invention includes a tool main body having a required length in which a tightening tool with a ratchet mechanism is freely attachable to one end, and a lock on the other end of the tool main body. A convex spherical joint member that can be externally locked via a nut, a concave spherical joint member with a mounting member for an operating rod that is slidably fitted to the outer periphery of the convex spherical joint member, and the concave The biasing spring member is wound around the tool body via a spring receiving portion so as to constantly press and bias the spherical joint member to the convex spherical joint member, and the required operating rod is mounted on the mounting member. While rotating the concave spherical joint member forward and backward, the tool body is rotated forward and backward via the convex spherical joint member,
The gist of the present invention is a remote control tool characterized in that it is configured to fasten or unfasten a required fastener with a tightening tool with a ratchet mechanism attached to a tool body.

According to a second aspect of the present invention, the lock nut is screwed onto the tool body via a screw mechanism so as to be freely screwed, and the convex spherical joint member is locked at a predetermined position while being screwed in a predetermined direction as needed. The gist of the remote control tool according to claim 1, characterized in that the remote control tool is configured so as to be supported.

Since the invention according to claim 1 of the present invention is configured as described above, the convex spherical joint is mounted while the required operation rod is mounted on the mounting member and the concave spherical joint member is rotated forward and backward. The tool body can be rotated forward and backward via a member, and fastening tools such as bolts and nuts can be fastened or unfastened with a tightening tool with a ratchet mechanism attached to the tool body. In comparison, the structure is simple, light weight, very easy to operate, and narrow work space
The fastening or unfastening operation can be performed easily and efficiently even under the screw. In particular, since the so-called spherical joint structure is formed by the convex spherical joint member and the concave spherical joint member, the concave spherical joint member can be freely rotated according to the direction of the fastener such as a bolt or nut to be worked. It can be adjusted to an appropriate angle while being moved.

Since the invention according to claim 2 is configured as described above, the urging force of the urging spring member is appropriately adjusted according to the fastening force or fastening release force of a fastener such as a bolt or nut that is a work target. It is possible to maintain good operability at the time of fastening or fastening release operation.

Hereinafter, the best mode for carrying out the present invention will be described in detail based on an embodiment shown in the drawings.

1 to 4 show an embodiment of the present invention. In FIG. 1, 1 is a cylindrical tool body having a required length and diameter, and 2 a and 2 b are the outer circumferences of both ends of the tool body 1. In each of the formed female screw portions, a slit 3 of a required strip is formed in the female screw portion 2a at one end along the longitudinal direction of the tool body 1, and the female screw portion 2a is inward along the slit 3. A fastening tool mounting nut 4 is screwed so as to be capable of being pressed and moved. A convex spherical joint member 5 is slidably fitted to the other end of the tool body 1 via a sleeve 6 to correspond to the mounting nut 4, and 7 slides on the convex spherical joint member 5. Then, the female screw portion 2 at the other end is locked in place.
a lock nut threadably engaged with b; 8 a concave spherical joint member slidingly fitted on the outer periphery of the convex spherical joint member 5; and 9 being attached to a lower end of the outer periphery of the concave spherical joint member 8 The operating rod mounting member 10 is a biasing spring such as a compression spring wound around the tool body 1 via a spring receiving portion 11 so that the concave spherical joint member 8 is pressed against the convex spherical joint member 5. It is a member. Other,
12 is a ratchet wrench having a handle portion 13 of a required length that can be freely inserted into the tool body 1;
Reference numeral 14 denotes an insulating operation rod having a required length that can be mounted on the mounting member 9.

Next, the operation of the embodiment configured as described above will be described.
First, as shown in FIG. 4, the handle 13 of the lattice wrench 12 is formed at one end of the tool body 1.
After inserting the female nut 2a along the slit 3 while screwing the mounting nut 4
Is moved inwardly and attached to the outer peripheral surface of the handle portion 13 while being pressed, and the operating rod 14 is attached to the attachment member 9. At this time, the urging force of the urging spring member 10 is appropriately adjusted by the lock nut 7 according to the fastening force or the fastening release force of the bolt or nut to be worked.

After that, the ratchet wrench 12 is approached and fitted to the bolt or nut (not shown) to be worked by the operating rod 14, and the concave spherical joint member 8 is rotated forward and backward as shown in FIG. Move it. Then, since the concave spherical joint member 8 is pressed and biased to the convex spherical joint member 5 by the biasing force of the biasing spring member 10, the ratchet wrench 12 together with the tool body 1 is interposed via the convex spherical joint member 5. Rotates in the forward and reverse directions to fasten and release the bolts and nuts to be worked on. At this time, the embodiment is simpler and lighter than the conventional example, and the operability is very good. Therefore, the bolts and nuts can be easily tightened or unfastened even under a narrow working space on the utility pole. In addition to being able to perform efficiently, the so-called spherical joint structure is constituted by the convex spherical joint member 5 and the concave spherical joint member 8, so that the concave spherical joint can be formed according to the direction of the bolt or nut to be worked on. The member 8 is appropriately rotated in a predetermined direction to adjust the angle, and the ratchet wrench 12 can be appropriately and easily fitted to a bolt or nut for fastening or fastening release.

When the fastening or unfastening operation of the bolts or nuts to be worked is completed, the operating rod 14 is removed from the mounting member 9, and the mounting nut 4 is screwed in the original position direction, so that the female screw portion 2a.
The press contact of the handle 13 is released, and the ratchet wrench 12 is removed from the tool body 1 to complete the operation.

In the above-described embodiment, the ratchet wrench 12 is shown as a tightening tool. However, the present invention is not limited to this. It can be done. Moreover, although the said Example has shown the volt | bolt and the nut as an operation | work object, it can be applied also to other fasteners similar to this.

It is a side view which shows one Example of this invention. It is sectional drawing which follows the AA line of FIG. It is sectional drawing which follows the BB line of FIG. It is a longitudinal cross-sectional view which shows the state which attached the operation stick | rod 14 with the latchet wrench 12. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tool main body 2a * 2b Female thread part 5 Convex spherical joint member 7 Lock nut 8 Concave spherical joint member 9 Mounting member 10 Biasing spring member 11 Spring receiving part
12 Latchet wrench 14 Operation stick

Claims (2)

A tool body of a required length in which a tightening tool with a latitud mechanism can be freely attached to one end, and a convex spherical joint member which can be locked in an outer fitting manner via a lock nut on the other end of the tool body; A concave spherical joint member with an operating rod mounting member slidingly fitted on the outer periphery of the convex spherical joint member, and a tool body for constantly pressing and urging the concave spherical joint member to the convex spherical joint member And a biased spring member wound around a spring receiving portion, and a convex spherical joint member is mounted while attaching a required operation rod to the mounting member and rotating the concave spherical joint member forward and backward. A remote control tool configured to rotate a tool body forward and backward via a screw and to fasten or unfasten a required fastener with a tightening tool with a ratchet mechanism attached to the tool body. The lock nut is screwed to the tool body through a screw mechanism so as to be freely screwed, and is configured to lock the convex spherical joint member at a predetermined position while being screwed in a predetermined direction as needed. The remote control tool according to claim 1, wherein the remote control tool is characterized.

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