WO2007010960A1 - Outil d’entraînement - Google Patents

Outil d’entraînement Download PDF

Info

Publication number
WO2007010960A1
WO2007010960A1 PCT/JP2006/314340 JP2006314340W WO2007010960A1 WO 2007010960 A1 WO2007010960 A1 WO 2007010960A1 JP 2006314340 W JP2006314340 W JP 2006314340W WO 2007010960 A1 WO2007010960 A1 WO 2007010960A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
main arm
trigger
contact
nose
Prior art date
Application number
PCT/JP2006/314340
Other languages
English (en)
Japanese (ja)
Inventor
Hiroki Yamamoto
Tatsushi Ogawa
Yasunori Aihara
Original Assignee
Max Co., Ltd.
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 Max Co., Ltd. filed Critical Max Co., Ltd.
Priority to CN2006800267656A priority Critical patent/CN101228007B/zh
Publication of WO2007010960A1 publication Critical patent/WO2007010960A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/008—Safety devices

Definitions

  • the present invention relates to an offset structure in which an upper part of a contact provided as a safety device is offset with respect to a trigger in a driving tool such as a nail driver or a screw driver.
  • a driving tool is provided with a contact arm as a safety device.
  • a contact arm as a safety device.
  • This is provided so as to be relatively movable along a nose portion having a nail injection path, and validates the operation of a trigger that activates the driving tool only when pressed against the material to be driven.
  • the contact arm is normally biased so that it protrudes in the driving direction from the tip of the nose part, and when the fastener is driven, the tip of the contact arm until the tip of the nose hits the driving part of the workpiece.
  • the trigger moves relative to the direction opposite to the pressing direction, and this movement can detect that the tip of the nose has hit the workpiece and enable trigger operation. . Only in this case will the driving tool be activated.
  • the adjustment dial is arranged on the side surface of the nose portion.
  • the adjustment dial adjusts the amount of contact coming from the nose, and the contact in this part must be parallel to the central axis of the nose. As a result, the number of parts increased and the weight had to increase.
  • the adjustment dial is located below the center of the trigger. Therefore, even when the nailing machine receives an impact caused by the fall of the nailing machine, Although it is easy to ensure parallelism with the shaft, parts for receiving impacts such as arm guide pins and ws pins were also required around it.
  • the present invention solves the above-mentioned problems, can offset the contact with respect to the trigger, and receives the impact load due to the fall by the body, thereby reducing the number of buffer parts compared to the case of not offsetting. It is an object of the present invention to provide a contact offset structure in a driving tool that can be used.
  • the driving tool is provided in a lower part of the body provided with the hitting mechanism and is provided so as to be movable in the vertical direction along the nose portion into which the fastener is driven.
  • the lower end of the trigger is protruded from the tip of the nose portion, and the trigger for starting is operated by moving the lower end relatively upward with respect to the nose portion by pressing the lower end against the material to be driven.
  • the contact is composed of a main arm portion and an upper arm portion thereon.
  • the upper part of the main arm part is provided at a position offset from the center of the trigger in the vicinity of the trigger.
  • the upper arm part also bends the offset position force and faces below the center position of the trigger.
  • An adjuster that adjusts the amount of nose tip force at the lower end near the upper end of the main arm portion.
  • a strike dial is provided.
  • the body is formed with a receiving portion for receiving the upper end of the main arm portion during upward movement, or a receiving portion for receiving via a buffer member.
  • an arm guide for guiding the main arm portion is provided on the upper portion of the adjustment dial, and a detent that prevents free rotation by engaging with the outer peripheral surface of the adjustment dial is formed on the lower portion of the arm guide. May be.
  • FIG. 1 is a perspective view of an example of a nailing machine according to an exemplary embodiment of the present invention.
  • FIG. 2 is a partial longitudinal sectional view of the nailing machine.
  • FIG. 3 is a front view showing a contact arm and an arm guide.
  • FIG. 4 is a cross-sectional view taken along the line AA in FIG.
  • FIG. 5 is a sectional view taken along line BB in FIG.
  • FIG. 6 is a cross-sectional view showing a state when the contact arm receives an impact.
  • reference numeral 1 denotes a nailing machine (driving tool).
  • This nailer 1 supplies a body 2 having a striking mechanism, a grip 3 disposed rearward from the body 2, a nose portion 4 provided at the lower end of the body 2, and a connecting nail to the nose portion 4.
  • a rectangular magazine 5 and a leading nail 6 fed from the magazine 5 to the nose portion 4 is driven out by a driver 7 integrally coupled with a striking piston (not shown) constituting the striking mechanism. is there . Magazine 5 is placed at a position away from directly under Grip 3!
  • the trigger valve 12 is the same as a conventionally known one.
  • the valve stem 13 When air compressor force compressed air is supplied, the valve stem 13 is pushed downward, and the valve stem 13 is pushed upward by the trigger 10. It is actuated to start by.
  • the contact arm is a mem-
  • the in-arm part 15 and the upper arm part 16 on the upper part thereof are also configured.
  • the lower portion of the main arm portion 15 is disposed along the nose portion 4, the lower end 15a thereof is provided so as to protrude from the tip of the nose portion 4, and the shaft portion 17 is provided on the upper portion 15b.
  • Ru The shaft-like portion 17 is provided in parallel with the axis of the nose portion 4, and the upper end of the shaft-like portion 17 is disposed in a position slightly below the trigger 10 and offset from the center of the trigger 10. It is fixed so that it is parallel to the axis of the nose 4.
  • An adjustment dial 18 is disposed on the shaft-like portion 17, and when the adjustment dial 18 is rotated, the shaft-like portion 17 is rotated, and the main arm portion 15 is moved up and down by fitting a screw. The amount of protrusion from the nose portion 4 of the lower end 15a of 15 is adjusted.
  • the upper arm portion 16 is engaged with the tip of the shaft-like portion 17.
  • the upper arm portion 16 has a plate shape and is composed of a horizontal portion 16a and a vertical portion 16b.
  • One end of the horizontal portion 16a is disposed at the upper end of the offset shaft-like portion 17, and the force is also bent in an L shape in the horizontal direction. The bent end faces below the center position of the trigger 10 (see the center line P in FIG. 5), and a vertical portion 16b is formed upward from there.
  • the position of the vertical portion 16b is located substantially below the center position of the trigger 10 and is disposed so as to be engageable with the tip of the contact lever 20 provided inside the trigger 10.
  • the contact lever 20 is provided so as to be rotatable about a support shaft 21 and is arranged so that the valve stem 13 of the trigger valve 12 for activation can be pushed in. That is, when the trigger 10 is pulled up by pushing up the tip end side of the contact lever 20 with the upper arm portion 16 moved upward, the main arm portion 15 pushes in the valve stem 13 to activate the trigger knob 12. It has become.
  • the upward movement of the upper arm portion 16 is normally made such that the lower end 15a of the main arm portion 15 protrudes from the tip of the nose portion 4 and the lower end 15a of the main arm portion 15 is driven into the workpiece when driven.
  • This operation is performed by moving it relatively upward with respect to the nose portion 4 by pressing it (not shown).
  • the arm guide 23 mainly guides the upper part of the shaft-like part 17 and the vertical part 16b of the upper arm part 16, and is fixed to the body 2.
  • Arm guide 23 A partition wall 24 is formed at a position below the trigger 10, and a compression panel 25 is disposed between the partition wall 24 and the horizontal portion 16a of the upper arm portion 16, and the contact arm 11 is always kept downward. Energized.
  • a buffer member 26 that also has elastic body force such as rubber is disposed above the upper end of the shaft-like portion 17 (end portion of the upper arm portion 16).
  • the body 2 is formed with a receiving portion 27 that engages with the upper portion of the buffer member 26.
  • a receiving portion 27 that engages with the upper portion of the buffer member 26.
  • a detent 28 is formed below the arm guide 23 to engage the outer peripheral surface of the adjustment dial 18 and prevent free rotation.
  • the detent 28 is configured to engage the outer peripheral surface of the adjustment dial 18 with a little stronger force, so that the adjustment dial 18 clicks and rotates.
  • the lower end 15a of the contact arm 11 also protrudes from the tip force of the nose portion 4 when not in use.
  • the machine may be dropped with the nose part 4 facing down.
  • the contact arm stops. Since the body 2 falls, the contact arm 11 is relative to the body 2. suddenly projecting upward.
  • the shaft-like portion 17 at the upper part of the main arm portion 15 also suddenly moves up, and the upper end of the shaft-like portion 17 violently collides with the buffer member 26.
  • the force-relaxation member 26 that applies a large impact also to the shock-absorbing member 26 hits the receiving portion 27 of the body 2, so that the load due to the shock is received by the body 2 via the shock-absorbing member 26. Since the body 2 can sufficiently withstand the impact, the impact is absorbed by the buffer member 26. Therefore, even though the adjustment dial 18 is disposed at an offset position with respect to the trigger 10, the contact arm 11 can be deformed or damaged even if there is no special cushioning member or reinforcing component. This can be effectively prevented, and the number of cushioning members can be reduced rather than the case where no offset is performed. Therefore, the structure is simple and the whole can be reduced in weight, and the cost can be reduced.
  • an anti-rotation stopper for preventing free rotation of the adjustment dial has been provided.
  • the force formed on the part (adjustment spacer) provided at the lower part of the adjuster is formed on the arm guide 23 on the upper part of the adjustment dial 18, so that the above parts can also be reduced.
  • the offset structure according to the present invention can be applied to a driving tool using a contact such as a screw driving machine that can be used only by a nailing machine.
  • the contact arm 11 that is separate from the nose portion 4 has been described as a contact.
  • a contact nose that also serves as the nose portion may be used.
  • the present invention can be used in an offset structure in which an upper part of a contact provided as a safety device is offset with respect to a trigger in a driving tool such as a nail driver or a screw driver.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

L’invention concerne un outil d’entraînement comprenant un contact ayant une partie bras principale (15) et une partie bras supérieure (16) sur le côté supérieur de la partie bras principale. La partie supérieure de la partie bras principale (15) est placée près d’un déclencheur (10) de manière décalée par rapport au centre du déclencheur. La partie bras supérieure (16) est recourbée au niveau de la position décalée pour faire face au côté inférieur central du déclencheur. Un bouton de réglage (18) contrôlant la quantité étendue de l’extrémité inférieure (15a) de la partie bras principale depuis la pointe d’une partie nez (4) est installé près de l’extrémité supérieure de la partie bras principale (15). Une partie réception (27) recevant la partie supérieure de la partie bras principale par le biais d’un élément amortisseur (26) pendant le mouvement vers le haut de la partie bras principale est formée sur un corps (2).
PCT/JP2006/314340 2005-07-22 2006-07-20 Outil d’entraînement WO2007010960A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2006800267656A CN101228007B (zh) 2005-07-22 2006-07-20 打入工具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005212237A JP4877464B2 (ja) 2005-07-22 2005-07-22 打込み工具のコンタクトにおけるオフセット構造
JP2005-212237 2005-07-22

Publications (1)

Publication Number Publication Date
WO2007010960A1 true WO2007010960A1 (fr) 2007-01-25

Family

ID=37668832

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/314340 WO2007010960A1 (fr) 2005-07-22 2006-07-20 Outil d’entraînement

Country Status (4)

Country Link
JP (1) JP4877464B2 (fr)
CN (1) CN101228007B (fr)
TW (1) TWI433760B (fr)
WO (1) WO2007010960A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2591882A2 (fr) * 2011-11-11 2013-05-15 Kwai King Cheung Pistolet cloueur multifonctionnel

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI404603B (zh) * 2009-04-03 2013-08-11 Basso Ind Corp 具擊發保險裝置之打釘槍
JP6269993B2 (ja) * 2016-09-01 2018-01-31 マックス株式会社 釘打機

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08336775A (ja) * 1995-06-09 1996-12-24 Max Co Ltd 釘打機の安全機構
JPH09109063A (ja) * 1995-10-17 1997-04-28 Max Co Ltd 釘打機における打ち込み深さの調整機構
JPH10146776A (ja) * 1996-11-15 1998-06-02 Max Co Ltd 釘打機におけるコンタクトアームのアームガイド

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2432015Y (zh) * 2000-06-07 2001-05-30 钻全实业股份有限公司 射钉枪的可调保险装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08336775A (ja) * 1995-06-09 1996-12-24 Max Co Ltd 釘打機の安全機構
JPH09109063A (ja) * 1995-10-17 1997-04-28 Max Co Ltd 釘打機における打ち込み深さの調整機構
JPH10146776A (ja) * 1996-11-15 1998-06-02 Max Co Ltd 釘打機におけるコンタクトアームのアームガイド

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2591882A2 (fr) * 2011-11-11 2013-05-15 Kwai King Cheung Pistolet cloueur multifonctionnel
EP2591882A3 (fr) * 2011-11-11 2014-06-25 Kwai King Cheung Pistolet cloueur multifonctionnel

Also Published As

Publication number Publication date
JP4877464B2 (ja) 2012-02-15
TW200716331A (en) 2007-05-01
CN101228007B (zh) 2011-06-08
JP2007030047A (ja) 2007-02-08
CN101228007A (zh) 2008-07-23
TWI433760B (zh) 2014-04-11

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