WO2019187052A1 - Lanceur à rappel - Google Patents

Lanceur à rappel Download PDF

Info

Publication number
WO2019187052A1
WO2019187052A1 PCT/JP2018/013775 JP2018013775W WO2019187052A1 WO 2019187052 A1 WO2019187052 A1 WO 2019187052A1 JP 2018013775 W JP2018013775 W JP 2018013775W WO 2019187052 A1 WO2019187052 A1 WO 2019187052A1
Authority
WO
WIPO (PCT)
Prior art keywords
reel
recoil
rope
recoil starter
knot
Prior art date
Application number
PCT/JP2018/013775
Other languages
English (en)
Japanese (ja)
Inventor
仁尾直利
Original Assignee
本田技研工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to PCT/JP2018/013775 priority Critical patent/WO2019187052A1/fr
Publication of WO2019187052A1 publication Critical patent/WO2019187052A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N3/00—Other muscle-operated starting apparatus
    • F02N3/02—Other muscle-operated starting apparatus having pull-cords

Definitions

  • the present invention relates to a recoil starter that starts an engine by pulling a recoil rope.
  • the recoil starter rotates the reel by pulling the recoil rope wound around the reel, and transmits the rotation of the reel to the engine via the ratchet mechanism, thereby starting the engine.
  • the end of such a recoil rope is provided with a knot, and the knot is hooked in a hole provided in a rope winding groove of the reel.
  • the recoil rope is wound and accommodated in the reel winding groove of the reel by the rotational force of the spiral spring for rewinding the reel.
  • a screwed recoil starter when replacing a recoil rope, a screwed recoil starter is removed from the engine body and the reel inside thereof is exposed. Let Then, remove the old recoil rope knot caught in the hole on the inner circumference side of the reel, hook the new recoil rope knot into the hole on the inner circumference side of the reel, and rewind the recoil rope to replace the recoil rope. Is going.
  • An object of the present invention is to provide a recoil starter capable of easily exchanging the recoil rope.
  • a recoil starter includes an annular rope winding groove that accommodates a recoil rope, and a communication hole provided in an inner peripheral portion of the rope winding groove.
  • a reel having a knot holding portion communicating with the rope winding groove and holding a knot at the base end portion of the recoil rope, and a window portion that covers the reel and through which the knot of the recoil rope can be inserted are provided.
  • the knot holding part of the reel holds the knot of the recoil rope toward the cover body.
  • the recoil rope can be replaced by removing the recoil rope knot through the window provided on the cover body without removing the recoil starter from the engine body. Therefore, the recoil rope can be easily replaced.
  • the recoil starter may have a winding means for winding up the reel and the spiral spring. Thereby, winding of a spiral spring and winding of a recoil rope can be simultaneously performed by operation of a winding means.
  • the hoisting means may be provided in a shaft mechanism connected to the inner end of the spiral spring.
  • the shaft mechanism may include an outer shaft connected to an inner end of the spiral spring, and a center shaft that is disposed inside the outer shaft and supports the reel and the ratchet. .
  • the reel and the spiral spring can be wound up by rotating the outer shaft as the winding means.
  • the recoil starter may include a fixing mechanism that fixes the outer shaft to the cover body in a state where the spiral spring is wound up. By fixing the outer shaft with this fixing mechanism, the spiral spring can be maintained in a wound state. Work that requires familiarity, such as a conventional recoil starter, is required to hold the reel by hand and prevent it from rewinding the spiral spring while assembling it to the drive pulley of the engine. Therefore, even an unfamiliar user can easily replace the recoil rope.
  • the fixing mechanism may be a screw mechanism that is tightened when the outer shaft is rotated in a direction in which the spiral spring is loosened. Thereby, it is possible to prevent the screw mechanism from being loosened by the torque of the outer shaft, and to secure the winding means.
  • the recoil starter may include a lift spring that is disposed between the center shaft and the outer shaft and biases the outer shaft in a direction that does not engage the screw mechanism. Thereby, it is possible to prevent the screw mechanism from being applied when the spiral spring is wound up.
  • the recoil rope can be replaced without being removed from the engine body.
  • the recoil starter 10 is covered with a substantially circular cover body 12 as shown in FIG. As shown in FIG. 3, a reel 20, a ratchet 30, a spiral spring 47, and a shaft mechanism 40 are provided inside the cover body 12.
  • a rotational force is generated on the reel 20.
  • the rotational force of the reel 20 is transmitted to the drive pulley 82 connected to the crankshaft of the engine via the ratchet 30 to start the engine.
  • the reel 20 and the ratchet 30 of the recoil starter 10 are assembled to the cover body 12 via the shaft mechanism 40, and are integrated with the cover body 12.
  • the cover body 12 is provided with a plurality of mounting holes 18, and the mounting holes 18 are fixed to the engine body 80 with mounting bolts 84.
  • the mounting bolt 84 is removed from the mounting hole 18, the recoil starter 10 is integrally removed from the engine body 80.
  • each part of the recoil starter 10 according to the present embodiment will be described.
  • the direction from the ratchet 30 toward the cover body 12 is referred to as the upper side or the upper side, and the opposite direction is referred to as the lower side or the lower side.
  • the cover body 12 is provided to prevent a user's finger or the like from being caught in a rotating member such as an internal reel 20.
  • the engine body 80 in the vicinity of the recoil starter 10 has a blower fan (not shown), and a plurality of air intake windows 14 are provided in the cover body 12 to take in the cooling air.
  • the air intake window 14 is formed to have a width that does not allow the user's finger or the like to enter (for example, about 5 mm to 8 mm).
  • a rope lead-out portion 17 is provided on the outer side of the cover body 12.
  • a recoil rope 70 is drawn out of the cover body 12 from the rope lead-out portion 17.
  • the recoil starter 10 When the recoil starter 10 is not used, the recoil rope 70 is housed inside the cover body 12 while being wound around the reel 20, and the starter knob 74 at the tip of the recoil rope 70 is caught by the rope lead-out portion 17. ing.
  • the reel 20 is rotated by holding the starter knob 74 by hand and pulling the recoil rope 70 vigorously, and the rotational force is transmitted to the engine main body 80 (see FIG. 3).
  • a shaft hole 15 is provided at the center of the cover body 12, and the shaft mechanism 40 appears outside the cover body 12 through the shaft hole 15. As shown in FIG. 1, the upper end of the center shaft 50 of the shaft mechanism 40 and the handle 42 are exposed outside the cover body 12.
  • a window portion 16 formed through the cover body 12 in the thickness direction is provided on the upper surface of the cover body 12.
  • the window portion 16 is provided at a position where it can communicate with a knot holding portion 22 to be described later, and is formed in a size that allows a knot 72 of the recoil rope 70 hooked on the knot holding portion 22 to be inserted.
  • the reel 20 is disposed below the cover body 12 so as to face the cover body 12.
  • the reel 20 is a substantially disk-like member that rotates about the shaft mechanism 40, and a substantially cylindrical inner peripheral portion 29 is provided at the inner end in the radial direction.
  • the inner peripheral portion 29 is in contact with the shaft mechanism 40 so as to be slidable around the shaft.
  • a spring accommodating portion 28 and a ratchet holding portion 25 are provided outside the inner peripheral portion 29.
  • the spring accommodating portion 28 is provided on the surface (upper surface) side facing the cover body 12 of the reel 20, and a cylindrical outer wall 26 protruding upward is formed on the peripheral edge portion thereof.
  • the outer wall 26 is formed slightly higher than the thickness (height) of the spiral spring 47, and the upper end of the outer wall 26 is slidably in contact with the cover body 12.
  • a spiral spring 47 is accommodated in a space formed between the outer wall 26 and the cover body 12.
  • the outer wall 26 is connected to the outer peripheral end of the spiral spring 47. That is, the torque of the spiral spring 47 is transmitted to the reel 20 through the outer wall 26.
  • a ratchet holding portion 25 that holds the ratchet 30 is provided below the spring accommodating portion 28 of the reel 20.
  • the ratchet holding portion 25 includes a plurality of annular grooves and protrusions extending in the circumferential direction, and guides the rotation of the ratchet 30 by engaging with the engaging portion 34 on the ratchet 30 side.
  • a ratchet receiving portion 27 is formed outside the ratchet holding portion 25 in the radial direction. The ratchet receiving portion 27 extends downward from the reel 20, and pushes the ratchet teeth 32 of the ratchet 30 outward when the reel 20 rotates in a predetermined direction to transmit the rotational force of the reel 20 to the drive pulley 82.
  • a rope winding groove 24 around which the recoil rope 70 is wound is formed on the outer periphery of the reel 20.
  • the rope winding groove 24 is formed as an annular groove that opens outward.
  • a communication hole 23 that penetrates the inner peripheral surface 24 a of the rope winding groove 24 is formed on the inner peripheral side of the rope winding groove 24, and a knot holding portion 22 is formed on the inner side in the circumferential direction of the communication hole 23. Is formed.
  • the knot holding portion 22 communicates with the rope winding groove 24 through the communication hole 23.
  • the communication hole 23 has an inner diameter that is slightly larger than the diameter of the recoil rope 70 and that does not allow the knot 72 of the recoil rope 70 to pass through. As shown in FIG. 2, the recoil rope 70 is fixed to the reel 20 when the knot 72 held by the knot holding portion 22 is caught in the communication hole 23. The distal end side of the recoil rope 70 extends to the outside of the cover body 12 via a guide portion 13 provided on the cover body 12.
  • the knot holding part 22 of the reel 20 opens toward the cover body 12 side.
  • the knot holding part 22 is formed in the same position as the window part 16 (see FIG. 1) of the cover body 12 in the radial direction, and the knot holding part 22 can communicate with the window part 16.
  • the knot 72 of the recoil rope 70 is exposed to the window portion 16. Therefore, the knot 72 can be taken out through the window portion 16.
  • the ratchet 30 is engaged with the ratchet holding portion 25 of the reel 20 by a circumferential unevenness provided in the engaging portion 34. Further, ratchet teeth 32 are provided on the outer peripheral portion. When the reel 20 rotates in the engine starting direction, the ratchet teeth 32 are pushed outward by the ratchet receiving portion 27 of the reel 20 and mesh with a drive pulley 82 connected to the crankshaft of the engine.
  • the reel 20 and the ratchet 30 are supported from below by a ratchet guide 60.
  • the ratchet guide 60 is attached to the center shaft 50 of the shaft mechanism 40 by a nut 58. As shown in FIG. 4, the ratchet guide 60 is rotatably mounted on the center shaft 50 in a state where a frictional resistance is applied by a friction spring 48 mounted around the center shaft 50.
  • the ratchet guide 60 holds the reel 20 and the ratchet 30 so as not to fall off the shaft mechanism 40.
  • the shaft mechanism 40 includes a center shaft 50, an outer shaft 44, and a lift spring 46 that biases the outer shaft 44 upward in the axial direction.
  • the center shaft 50 mainly functions to support the reel 20 and the ratchet 30.
  • the center shaft 50 is a columnar member disposed on the rotation axis of the reel 20, and an enlarged diameter portion 52 is formed in the vicinity of the upper end protruding outside the cover body 12 so as to expand radially outward. Yes.
  • a main body portion 54 extends below the enlarged diameter portion 52, and a reduced diameter portion 56 that narrows radially inwardly extends from the lower end of the main body portion 54.
  • a thread groove is formed in the reduced diameter portion 56, and a nut 58 is fastened to the reduced diameter portion 56.
  • the outer shaft 44 mainly functions as a hoisting means, and includes a main body 43 formed in a substantially cylindrical shape and a handle 42 provided at the upper end of the main body 43.
  • the inner diameter of the main body 43 is formed to be approximately the same as the diameter (outer diameter) of the enlarged diameter portion 52 of the center shaft 50, and the outer diameter is formed to be approximately the same as the inner diameter of the shaft hole 15.
  • the main body 43 of the outer shaft 44 is provided with a protruding portion 45 protruding toward the inner peripheral side in the vicinity of the center in the axial direction.
  • the protrusion 45 is in contact with the main body 54 of the center shaft 50.
  • the main body 43 of the outer shaft 44 is slidable in the axial direction with respect to the center shaft 50.
  • a lift spring 46 is attached between the protrusion 45 of the outer shaft 44 and the lower end surface 52 a of the enlarged diameter portion 52 of the center shaft 50.
  • the lift spring 46 urges the outer shaft 44 toward the cover body 12 (upward).
  • a friction spring 48 is attached between the protrusion 45 and the ratchet guide 60.
  • the main body 43 of the outer shaft 44 is in contact with the inner peripheral portion 29 of the reel 20 so as to be slidable in the rotation direction, while the inner peripheral end (inner end) of the spiral spring 47 is connected. That is, the outer shaft 44 constitutes the axis of the spiral spring 47, and the rotational force can be transmitted to the reel 20 through the spiral spring 47.
  • the main body 43 of the outer shaft 44 extends to the outside of the cover body 12 through a shaft hole 15 provided at the center of the cover body 12, and has a handle that extends radially outward at the upper end of the cover body 12. 42 is formed.
  • it is suitable to form in the outer peripheral part of the handle
  • a thread groove 44 a is formed in the outer portion of the outer shaft 44 near the upper end of the main body 43.
  • the thread groove 44 a is formed so as to engage with the thread groove 15 a formed in the shaft hole 15 of the cover body 12.
  • a fixing mechanism for the outer shaft 44 is configured by the screw mechanism including the screw groove 15a and the screw groove 44a. That is, by rotating the handle 42 and tightening the screw groove 44a of the outer shaft 44 into the screw groove 15a of the cover body 12, the displacement in the rotation direction of the outer shaft 44 can be fixed.
  • This screw mechanism is preferably formed in such a direction as to be tightened when the outer shaft 44 is rotated in the direction of loosening the spiral spring 47. Since the outer shaft 44 is continuously applied with torque in the direction of loosening the winding of the spiral spring 47 from the spiral spring 47, the outer shaft 44 is tightened by forming the thread grooves 15a and 44a in such a direction. Biased in the direction. As a result, it is possible to prevent a problem that the outer shaft 44 is naturally loosened.
  • the recoil starter 10 is basically configured as described above, and hereinafter, its operation and effect will be described together with a method for replacing the recoil rope 70.
  • the starter knob 74 is held and the recoil rope 70 is pulled out vigorously as shown in FIG.
  • the portion on the base end side from the cut portion is wound around the reel 20 by the rotational force of the spiral spring 47.
  • the replacement operation of the recoil rope 70 is performed according to the following procedure.
  • the handle 42 is rotated in the direction of arrow A. That is, the handle 42 is rotated in the direction in which the spiral spring 47 is wound up. As a result, the screw mechanism of the outer shaft 44 is loosened, and the handle 42 and the outer shaft 44 extend from the cover body 12 as shown in FIGS. 5 and 6.
  • the handle 42 is operated to match the position of the knot holding portion 22 of the reel 20 with the position of the window portion 16 of the cover body 12.
  • the window portion 16 and the knot holding portion 22 communicate with each other, and the knot 72 of the recoil rope 70 is exposed to the window portion 16.
  • the knot 72 exposed in the window portion 16 can be pulled out with tweezers or a tapered pliers.
  • the cut recoil rope 70 can be removed from the reel 20 by pulling out the entire recoil rope 70 through the window portion 16.
  • the base end portion of the new recoil rope 70 is inserted into the inside from the guide portion 13 (see FIG. 2) of the cover body 12 and is inserted into the knot holding portion 22 through the communication hole 23 of the reel 20. Thereafter, the base end portion of the recoil rope 70 is pulled out from the window portion 16 to form a knot 72, and the knot 72 is returned to the knot holding portion 22.
  • the handle 42 is rotated in the direction of arrow A in FIG.
  • the rotational force of the handle 42 is transmitted to the reel 20 via the spiral spring 47 so that the reel 20 rotates and the recoil rope 70 is wound around the rope winding groove 24 of the reel 20.
  • the starter knob 74 is hooked on the rope drawing portion 17, the rotation of the reel 20 is stopped.
  • the spiral spring 47 is wound up.
  • the handle 42 When the spiral spring 47 is completely rolled up, the handle 42 is rotated in the direction of arrow B while pressing the handle 42 against the cover body 12 against the urging force of the lift spring 46. Thereby, the thread grooves 15a and 44a are hooked and the handle 42 can be tightened.
  • the outer shaft 44 is fixed by rotating in the arrow B direction until the handle 42 stops. Thereby, the state in which the spiral spring 47 is wound up is maintained, and the recoil starter 10 can be used.
  • the window portion 16 having a size capable of inserting the knot 72 is provided in the cover body 12 and the knot holding portion 22 of the reel 20 can be communicated with the window portion 16. Open in any direction. Thereby, the knot 72 of the recoil rope 70 can be removed without removing the cover body 12 from the engine body 80. It is also possible to attach a new knot 72 of the recoil rope 70 to the knot holding unit 22 through the window 16. Therefore, when replacing the recoil rope 70, the operation of removing and assembling the cover body 12 is not necessary, and the rope can be replaced easily.
  • an outer shaft 44 having a handle 42 is provided at the shaft portion, and an inner peripheral end portion of the spiral spring 47 is connected to the outer shaft 44.
  • the outer shaft 44 can be fixed in a rolled up state. Accordingly, it is preferable that the outer shaft 44 can be fixed with a simple device configuration. Further, in this case, if the direction of the screw mechanism is rotated in the direction in which the spiral spring 47 is loosened, the direction in which the outer shaft 44 is tightened can be prevented, so that the outer shaft 44 can be prevented from loosening. is there.
  • the winding of the recoil rope 70 and the winding of the spiral spring 47 may be performed by an operation from the drive pulley 82 side.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

La présente invention concerne un lanceur à rappel (10) permettant à un moteur d'être démarré en tirant sur une corde à rappel (70). Dans une bobine (20) qui enroule la corde à rappel (70) : une section de maintien de nœud (22) qui maintient un nœud (72) de la corde à rappel (70) s'ouvre sur un côté couvercle (12) ; une fenêtre (16) à travers laquelle le nœud (72) de la corde à rappel (70) peut être inséré est disposée dans le couvercle (12) ; la section de maintien de nœud (22) et la fenêtre (16) peuvent communiquer ; et la corde à rappel (70) peut être replacée à travers la fenêtre (16) sans retirer le couvercle (12).
PCT/JP2018/013775 2018-03-30 2018-03-30 Lanceur à rappel WO2019187052A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/013775 WO2019187052A1 (fr) 2018-03-30 2018-03-30 Lanceur à rappel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/013775 WO2019187052A1 (fr) 2018-03-30 2018-03-30 Lanceur à rappel

Publications (1)

Publication Number Publication Date
WO2019187052A1 true WO2019187052A1 (fr) 2019-10-03

Family

ID=68059612

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/013775 WO2019187052A1 (fr) 2018-03-30 2018-03-30 Lanceur à rappel

Country Status (1)

Country Link
WO (1) WO2019187052A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4964632U (fr) * 1972-09-21 1974-06-06
JPS5498926U (fr) * 1977-12-26 1979-07-12
JPS61161600U (fr) * 1985-03-28 1986-10-06
JP2006274899A (ja) * 2005-03-29 2006-10-12 Starting Ind Co Ltd リコイルスタータ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4964632U (fr) * 1972-09-21 1974-06-06
JPS5498926U (fr) * 1977-12-26 1979-07-12
JPS61161600U (fr) * 1985-03-28 1986-10-06
JP2006274899A (ja) * 2005-03-29 2006-10-12 Starting Ind Co Ltd リコイルスタータ

Similar Documents

Publication Publication Date Title
EP1413747B1 (fr) Lanceur à rappel
US7201130B2 (en) Recoil starter
EP1394404B1 (fr) Démarreur à tirette à câble
JP4523469B2 (ja) リコイルスタータ
US20070180705A1 (en) Locking device for spline shaft of brush cutter
EP1647706B1 (fr) Lanceur à rappel
JP2006132519A (ja) リコイルスタータ
JP2501583B2 (ja) リコイル装置
JP2005328847A (ja) 動力工具用ブレーキシステム
EP1965073B1 (fr) Dispositif de demarrage de moteur
WO2019187052A1 (fr) Lanceur à rappel
EP1406007B1 (fr) Lanceur à rappel
JP3892771B2 (ja) リコイルスタータ
JP2013151898A (ja) リコイルスタータ
US20070180704A1 (en) Locking device for spline shaft of brush cutter
JP4181468B2 (ja) リコイルスタータ
US20050199211A1 (en) Apparatus for preventing cutting of spiral spring for engine starter
JP2007046585A (ja) 携帯型作業機
WO2020153379A1 (fr) Bobine de câble de stator de recul et stator de recul
JPH0114761Y2 (fr)
JP4167601B2 (ja) リコイルスタータ装置
JPS6059841B2 (ja) 携帯用工具のクラツチブレ−キ装置
JP2004084641A (ja) リコイルスタータ
JP2003042041A (ja) 蓄力式スタータ装置
JPH0724615Y2 (ja) 内燃機関始動装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18912999

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 18912999

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP