JP2006063888A - Jig for pulling rope - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a jig for pulling a rope by which a pull force can be applied to the rope without causing damage to the rope. <P>SOLUTION: In using the rope-pulling jig 50, the tip end of the rope is wound around to apply a pulling force from the tip end of the rope to the base end. The jig comprises a rod 51 provided with a handle 52 at one end, and a 1st catching part 53, and a 2nd catching part 54 respectively provided on the other end of the rod 51. A part in the recoil rope 46 extending from the handle 52 is wound at least once on the 1st catching part 53. The 2nd catching part 54 guides the part of the recoil rope 46 extending to the base end of the recoil rope 46 from the 1st catching part 53 through a rod-crossing part 55. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a rope pulling jig that applies a pulling force to a rope, and more particularly to a rope pulling jig that is useful when applied to pull a recoil rope of a recoil starter.

Some engines for driving generators, engines for all-terrain vehicles (ATV), also called buggy cars, and engines for snowmobiles, are equipped with a recoil starter for starting the engine. Patent Document 1 describes a snowmobile engine equipped with a recoil starter, the recoil starter has a recoil pulley around which a recoil rope is wound, and pulls the recoil rope against the spring force of the built-in spring. The engaging member provided on the recoil pulley engages with a member fixed to the crankshaft of the engine to rotate the crankshaft and start the engine.
JP 2003-269301 A

  For example, when an engine is mounted on a vehicle body with a recoil starter, such as ATV or snowmobile, the engine is built into the vehicle body, so it is operated when the driver pulls the recoil rope to start the engine. The recoil knob is disposed so as to be exposed to the outside of the vehicle body. For this reason, when assembling the vehicle body, it is necessary to mount the engine on the vehicle body with the recoil knob removed from the recoil rope, and to attach the recoil knob to the recoil rope by pulling the recoil rope out of the vehicle body. Can not be installed.

  For this reason, after the engine is assembled, when the engine alone is transported to the vehicle body assembly process or shipped to the assembly factory, the recoil knob is not attached to the recoil rope. When performing the receipt operation, use a jig that is similar to the recoil knob and can be attached to and removed from the recoil rope, and hook the hook on the recoil rope and pull the recoil rope using the jig to operate the recoil starter. The engine is started.

  A conventional jig for recoil starter is used to be hooked to the knot of the recoil rope, so that the knot does not loosen even if it is hooked, and it is relatively easy to unravel the knot. The end of the recoil rope is knotted with a quick knot. The fast knot has a high bundling force at the loop part, but when the engine is started by pulling the knot with a jig, the knot breaks due to the pulling force and may become a tight knot. When the knot is in a tightly knotted state, it takes time to loosen the knot of the recoil rope in the assembly process for mounting the engine on the vehicle body. In particular, when the anticorrosive agent is applied to the engine surface, if the anticorrosive agent adheres to the recoil rope, the knot may become stronger and tightly tied due to the pulling force by the jig.

  An object of the present invention is to provide a rope pulling jig that applies a pulling force to a rope without damaging the rope.

  Another object of the present invention is to provide a rope pulling jig that can start an engine without providing a knot in a recoil rope when performing an operation check of the engine.

  The rope pulling jig of the present invention is a rope pulling jig that applies a pulling force from the distal end side of the rope to the proximal end side in a state where the distal end side of the rope is wound, and is attached by a rod and is gripped by an operator. A handle portion, a first hook portion provided on the rod so as to protrude to one side in the lateral direction, and extending from the handle portion side of the rope at least once, and on the other side in the lateral direction of the rod. And a second hook portion that projects from the first hook portion through the rod crossing portion to the base end side of the rope.

  The rope pulling jig according to the present invention is characterized in that each of the hooks is provided on the rod in such a manner that the tip side is inclined in a direction away from the handle.

  The rope pulling jig of the present invention is characterized in that an engagement hook for rope engagement is provided on the handle portion side of the rod.

  The rope pulling jig according to the present invention is characterized in that the rope is a recoil rope of a recoil starter.

  According to the present invention, since the rope can be pulled with a portion of the rope hooked on the rope using a rope pulling jig without providing a knot on the rope, the rope is pulled without damaging the rope. And the work of loosening the knot after the pulling operation becomes unnecessary. In particular, when starting an engine having a recoil starter without a recoil knob attached to the recoil rope, it is not necessary to provide a knot on the recoil rope, and the knot that was tightly tied when the engine is mounted on the vehicle body is loosened. Since no work is required, the assembly work of the vehicle body can be performed quickly.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a schematic view showing a part of a drive unit mounted on an all-terrain vehicle called a buggy, FIG. 2 is an enlarged sectional view taken along line AA in FIG. 1, and FIG. 2 is a front view showing a power generator case viewed from the direction of arrow B in FIG.

  As shown in FIG. 1, a crankshaft 12 is rotatably mounted on the crankcase 11, and an engine 13 is attached as shown in FIG. The engine 13 has a cylinder 14 fixed to the crankcase 11 and a cylinder head 15 fixed to the upper end of the cylinder 14. A piston 16 is incorporated in a cylinder bore formed in the cylinder 14 so as to be able to reciprocate. The piston 16 is connected to the crankshaft 12 by a connecting rod 17, and the crankshaft 12 is rotationally driven by the engine 13. As shown in FIG. 2, the cylinder head 15 is formed with an intake port 21 and an exhaust port 22 that open into the combustion chamber 18, and an intake valve 23 that opens and closes the intake port 21 and an exhaust valve 24 that opens and closes the exhaust port 22. Are formed in the cylinder head 15, and the intake valve 23 and the exhaust valve 24 are driven to open and close by the valve operating mechanism 25 in synchronization with the rotation of the crankshaft 12.

  A transmission case 26 is attached to the crankcase 11, and an input shaft, that is, a primary shaft 28 of a belt-type continuously variable transmission 27 is rotatably mounted in the transmission case 26, and the primary shaft 28 is a centrifugal clutch 29. It is connected to the crankshaft 12 via A primary pulley 31 with a variable groove width is assembled to the primary shaft 28, and the primary pulley 31 is fixed to the primary shaft 28 and rotates together with the primary shaft 28, and moves in the axial direction with respect to the primary shaft 28. A movable pulley 31b that is freely assembled and rotates integrally with the primary shaft 28 is provided. A centrifugal weight 32 is attached to the movable pulley 31b, and when the rotation speed of the primary shaft 28 increases and the centrifugal weight 32 moves radially outward, the movable pulley 31b moves toward the fixed pulley 31a to move to the primary pulley 31. The groove width is narrowed.

  A secondary shaft (not shown) is rotatably mounted as an output shaft in the transmission case 26, and a secondary pulley having a variable groove width is assembled to the secondary shaft in the same manner as the primary pulley 31. A belt 33 is stretched between them. The rotation of the primary shaft 28 is steplessly changed by the continuously variable transmission 27 and transmitted to the secondary shaft, and the engine power is transmitted to the drive wheels via a forward / reverse switching mechanism (not shown).

  A balancer shaft 34 is rotatably mounted on the crankcase 11 so as to be parallel to the crankshaft 12, and the balancer shaft 34 is connected to the crankshaft 12 through a gear train. A balance weight 35 is integrally provided on the balancer shaft 34 and is connected to the rotor of the oil pump 36.

  A power generator case 37 is attached to the crankcase 11, and a magnet generator 39 is incorporated in a magneto chamber 38 defined by the power generator case 37 and the crankcase 11. The generator 39 includes an outer rotor 41 having a permanent magnet and attached to the crankshaft 12, and a stator 42 having an iron core around which a coil is wound and fixed to the crankcase 11. Therefore, when the engine 13 is driven and the crankshaft 12 rotates, the electric power generated by the generator 39 is charged in a battery (not shown).

  In order to start the engine 13, a starter 43 is mounted in the magneto chamber 38, and this starter 43 is driven by an electric motor 44 attached to the crankcase 11. A recoil starter 45 is mounted in the magnet chamber 38 in order to start the engine 13 manually when the charge amount of the battery is insufficient and the engine 13 cannot be started by the starter 43.

  The recoil starter 45 has a recoil pulley 47 around which a recoil rope 46 is wound, and the recoil pulley 47 is rotatably attached to the power generator case 37. A rotating cylinder 48 is fixed to the outer rotor 41, and the rotating cylinder 48 is connected to the crankshaft 12 via the outer rotor 41. The recoil pulley 47 is provided with an engagement mechanism 49 that enters the inside of the rotary cylinder 48. When the recoil rope 46 is pulled out and the recoil pulley 47 is rotated, the engagement mechanism 49 engages with the rotary cylinder 48. The rotation of the recoil pulley 47 is transmitted to the crankshaft 12 via the outer rotor 41, and the engine 13 can be started. As shown in FIG. 3, the recoil rope 46 is extended from a guide tube 37a provided in the power generator case 37. A recoil knob is attached to the tip of the rope 46, and the engine 13 can be started by the driver pulling the recoil rope 46 while holding the recoil knob in his hand.

  The drive unit including the engine 13 and the like described above is assembled and sent to a vehicle assembly plant for mounting on a buggy vehicle. However, since the drive unit is mounted inside the vehicle body, the recoil is used when assembling the drive unit. The recoil knob cannot be attached to the rope, and the recoil knob is attached to the recoil rope 46 in a state where the recoil rope 46 is pulled out of the vehicle body when the drive unit is mounted on the vehicle body. For this reason, when the engine 13 is operated by pulling the recoil rope 46 after the engine 13 and the drive unit are assembled and the engine operation inspection is performed, the recoil knob is not attached. Can't do it.

  FIG. 4 is a perspective view showing a rope pulling jig according to an embodiment of the present invention. The rope pulling jig 50 is a base end side of the rope as a state where a recoil rope 46 to which no recoil knob is attached is wound. It is used to rotate the recoil pulley 47 wound on the base end side by applying a pulling force to.

  As shown in FIG. 4, the rope pulling jig 50 has a metal rod 51, and a resin handle 52 that is gripped by an operator is attached to one end of the rod 51. The other end of the rod 51 is integrally provided with a first hook portion 53 that protrudes to one side in the lateral direction of the rod 51, and a second hook portion 54 that protrudes to the other side in the lateral direction of the rod 51 is integrally provided. Both the hooks 53 and 54 are straight, and the tip of the rod 51 has a T-shape together with both hooks 53 and 54.

  A portion extending from the handle portion 52 side to the recoil pulley 47 side of the tip side portion of the recoil rope 46 is wound around the first hook portion 53 at least once. In the case shown in FIG. It is wound for one turn. Of the recoil rope 46 wound around the first hook portion 53, the base end side, that is, the portion on the recoil pulley 47 side, is hooked by the second hook portion 54, and the second hook portion 54 is recoiled. When the rope 46 is hooked, a portion from the first hook portion 53 to the second hook portion 54 of the recoil rope 46 becomes a rod crossing portion 55 that crosses the rod 51, and the rod crossing portion 55 connects the recoil rope 46. The rope is tightened with the rod 51. Thus, the rod crossing portion 55 is formed by the portion extending from the first hook portion 53 to the second hook portion 54, and the operator holds the handle portion 52 in his hand while holding a part of the recoil rope 46. When the rope 46 is pulled, the rod crossing portion 55 strongly tightens the recoil rope 46 with the rod 51 by the resistance force applied to the recoil rope 46 by the recoil pulley 47 on the proximal end side of the recoil rope 46. Along with the frictional resistance of the recoil rope 46 at one hook 53, the recoil rope 46 is reliably wound around both hooks 53, 54 without loosening.

  After pulling the recoil rope 46 and starting the engine 13 manually, when the handle portion 52 is returned toward the recoil pulley 47, the recoil rope 46 is easily detached from the second hook portion 54. The recoil rope 46 is easily detached from the first hook portion 53. As described above, the operation of hooking the rope pulling jig 50 on the recoil rope 46 is simply performed by winding the recoil rope 46 at least once on the first hook 53 and hooking the recoil rope 46 on the second hook 54. Can be wound around the rope pulling jig 50, and the recoil rope 46 can be easily detached from the rope pulling jig 50 by returning the rope pulling jig 50 after the start operation is completed. After the operation test of the engine 13 is completed, the recoil rope 46 is bundled or covered with a bag or the like that protrudes to the outside of the engine 13 and is transported toward the vehicle body assembly factory.

  In the case shown in FIG. 4, the recoil rope 46 is wound once around the first hook 53, but the rope proximal end side of the recoil rope 46 wound around the first hook 53 is arranged. The recoil rope 46 may be wound around the first hook 53 a plurality of times if it is hooked on the second hook 54 across the rod 51.

  FIG. 5 is a perspective view showing a rope pulling jig 50 according to another embodiment of the present invention. The hook portions 53 and 54 are inclined with respect to the rod 51 in the direction in which the respective distal end portions are separated from the handle portion 52. The tip of the rod 51 and the hooks 53 and 54 are substantially Y-shaped. Thus, if both the hook parts 53 and 54 are inclined, the operation | work at the time of hooking the recoil rope 46 on each hook part 53 and 54 can be performed easily.

  An engagement hook 56 is provided on the handle portion 52 side of the rod 51, and the recoil rope 46 with respect to the respective hook portions 53, 54 in a state where the recoil rope 46 is engaged with the slit of the engagement hook 56. The hooking operation can be performed, and the hooking operation can be easily performed.

  FIG. 6 is a plan view showing a recoil rope 46 in which a knot is made by a hail knot 60 as in the prior art, and a recoil rope is hooked on a knot 61 portion of the hail knot 60 as shown in the figure. When pulling 46, the knot 61 may collapse and become tightly knotted. When it is in the tightly knotted state, it takes time to loosen the recoil rope knot 61 in the assembly process for mounting the engine on the vehicle body. However, the rope pulling jig 50 of the present invention is used to pull the recoil rope 46. In this case, it is not necessary to make a knot on the recoil rope 46, and an operation of loosening the knot when the engine 13 is mounted on the vehicle body is unnecessary, and the vehicle body can be assembled quickly.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention. For example, although the illustrated drive unit, that is, the engine 13 is mounted on a buggy vehicle, that is, an ATV vehicle, the rope pulling jig 50 of the present invention can be applied to pull the recoil rope of the engine mounted on the snowmobile. it can. The rope pulling jig 50 of the present invention is also applied to an engine for a buggy vehicle or a snowmobile in which the starter electric motor 44 is not mounted and the engine 13 is started only by the recoil starter 45. can do. Furthermore, if the engine is started with no recoil knob attached, the rope pulling jig 50 of the present invention can be used to pull the recoil rope of a general-purpose engine. The rope pulling jig 50 is not only a recoil rope for the engine 13 but also a rope that applies a pulling force from the distal end side against the resistance force on the base end side, not only for starting the engine, It can also be applied to such rope pulling work.

It is the schematic which shows a part of drive unit mounted in an all-terrain vehicle. It is an expanded sectional view which follows the AA line in FIG. It is a front view which shows the electric power generation body case seen from the arrow B direction in FIG. It is a perspective view which shows the rope pulling jig which is one embodiment of this invention. It is a perspective view which shows the rope pulling jig | tool which is other embodiment of this invention. It is a top view which shows the recoil rope by which the knot was made by the quick knot.

Explanation of symbols

46 Recoil rope 50 Rope pulling jig 51 Rod 52 Handle portion 53 First hook portion 54 Second hook portion 55 Rod crossing portion 56 Engagement hook

Claims (4)

A rope pulling jig that applies a pulling force from the distal end side of the rope to the proximal end side in a state where the distal end side of the rope is wound,
A handle to which a rod is attached and gripped by an operator;
A first hook portion provided on the rod so as to protrude on one side in the lateral direction, and a portion of the rope extending from the handle portion side is wound at least once;
A second hooking portion that protrudes from the other side of the rod in the lateral direction and guides a portion of the rope extending from the first hooking portion to the base end side of the rope through the rod crossing portion. A rope pulling jig characterized by that.   2. The rope pulling jig according to claim 1, wherein each of the hooks is provided on the rod in such a manner that a tip side thereof is inclined in a direction away from the handle part.   The rope pulling jig according to claim 1 or 2, wherein an engaging hook for rope engagement is provided on the handle portion side of the rod. The rope pulling jig according to any one of claims 1 to 3, wherein the rope is a recoil rope of a recoil starter.

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